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名前

筒井 弘 (TSUTSUI, Hiroshi)

所属

北海道大学 大学院情報科学研究院
メディアネットワーク部門
情報通信システム学講座
情報通信ネットワーク研究室

所在地

〒060-0814 札幌市 北区 北14条西9丁目
北海道大学 大学院情報科学研究院

居室

北海道大学 情報科学研究科棟 11F 11-14

アクセス方法

TEL

TEL: 011-706-6490

Email

hiroshi.tsutsui (at) ist.hokudai.ac.jp

経歴

会員/所属

• IEE (The Institute of Electrical Engineers of Japan),
  Dec 1996–

• IEEE,
  2000–

  • IEEE Sapporo Section
  • IEEE Circuits and Systems Society
  • IEEE Computer Society
  • IEEE Communications Society
  • etc.

• IEICE (The Institute of Electronics, Information and Communication Engineers),
  Apr 2001–

• ACM,
  Sep 2003–

• IIEEJ (The Institute of Image Electronics Engineers of Japan),
  2006–

• IPSJ (Information Processing Society of Japan),
  Feb 2012–

• APSIPA (Asia Pacific Signal and Information Processing Association),
  2012–

• PARTHENON Society,
  Apr 2013–

• ITE (The Institute of Image Information and Television Engineers),
  Apr 2017–

• Synthesis Corporation,
  – June 30, 2017

免許/資格

• On-The-Ground I-Category Special Radio Operator (第一級陸上特殊無線技士), Mar 30, 2020

• Applied Information Technology Engineer Examination (応用情報技術者試験),
  Information-technology Promotion Agency, Japan (IPA) (情報処理推進機構)

  Passed in 2021 Autumn Exam, Dec 17, 2021

• Registered Information Security Specialist Examination (情報処理安全確保支援士試験),
  Information-technology Promotion Agency, Japan (IPA) (情報処理推進機構)

  Passed in 2022 Spring Exam, June 24, 2022

  Registered Information Security Specialist (情報処理安全確保支援士, RISS) (024291)

• Embedded Systems Specialist Examination (エンベデッドシステムスペシャリスト試験),
  Information-technology Promotion Agency, Japan (IPA) (情報処理推進機構)

  Passed in 2022 Autumn Exam, Dec 22, 2022

• Network Specialist Examination (ネットワークスペシャリスト試験),
  Information-technology Promotion Agency, Japan (IPA) (情報処理推進機構)

  Passed in 2024 Spring Exam, July 4, 2024

学内活動

• 京都大学
  • 平成14年度 - ティーチングアシスタント (kuee.kyoto-u.ac.jp の POP/SSL および APOP 化と関連 CGI の作成)
  • 平成14年度 - 京都大学情報学研究科同窓会 名簿幹事
  • 平成14年度 - IEEE student branch at KYOTO University Chair
  • 平成15年度 - リサーチアシスタント
  • 平成15年度 - ティーチングアシスタント (京都大学学術情報メディアセンター ニュースサーバ管理)
  • 平成16年度 - リサーチアシスタント
  • 平成16年度 - ティーチングアシスタント (京都大学学術情報メディアセンター ニュースサーバ管理)

学外活動

• 各種オープンソースソフト開発プロジェクトへの貢献
  • qvwm switcher bug-fix patch
  • delegate nntp.c: fixed SEGV with MOUNT on large header @7.4.1.
  • sylpheed src/imap.c: imap_parse_atom(): fixed a bug that caused segmentation fault if the subject was empty @0.4.9.
  • Wanderlust patch 他
  • Tgif Fix a bug with double-byte characters or international characters when eglibc is used @4.2 Patchlevel 3.

受賞

• 平成12年(2000年) 5月
  パルテノン研究会 ASICデザインコンテスト 奨励賞
  (宮本 龍介, 筒井 弘, 中西 龍太, "16bit Free CPU の設計")

• 平成13年(2001年) 5月
  パルテノン研究会 ASICデザインコンテスト 奨励賞
  (筒井 弘, 増崎 隆彦, "16bit Free CPU の設計")

• 平成18年(2006年) 3月25日
  電子情報通信学会 平成17年度 学術奨励賞
  (筒井 弘, 菅野 裕揮, 増崎 隆彦, 越智 裕之, 尾上 孝雄, 中村 行宏, "JPEG2000 エントロピ符号器における SRAM の構成方法," 電子情報通信学会ソサイエティ大会, Sep. 2005.)

• 平成19年(2007年) 9月
  電子情報通信学会 ソサイエティ大会 基礎・境界ソサイエティ特別企画
  「若手研究者のための映像圧縮コンテスト」最優秀賞

• 平成20年(2008年) 8月22日
  情報処理学会主催 マルチメディア，分散，協調とモバイルシンポジウム 優秀論文賞
  (廣本 正之, 筒井 弘, 越智 裕之, 小佐野 智之, 石川 憲洋, 中村 行宏, "メディアストリーミングにおける高速移動通信網に適した動的符号化レート制御手法の検討," マルチメディア，分散，協調とモバイル(DICOMO2008)シンポジウム, pp. 1167-1176, Jul. 2008.)

• 平成21年(2009年) 10月
  7th IEEE Workshop on Embedded Systems for Real-Time Multimedia Best Paper Award
  (Koichi Hattori, Hiroshi Tsutsui, Hiroyuki Ochi, Yukihiro Nakamura, "A High-Throughput Pipelined Architecture for JPEG XR Encoding," Proc. of 7th IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia2009), pp. 9-17, Oct. 2009.)

• 平成25年(2013年) 5月17日
  電子情報通信学会 シニア会員称号授与

• 平成25年(2013年) 10月
  SASIMI 2013 Outstanding Paper Award (Takashi Imagawa, Masayuki Hiromoto, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, Place-and-Route Algorithms for a Reliability-Oriented Coarse-Grained Reconfigurable Architecture Using Time Redundancy)

• 平成26年(2014年) 7月3日
  The 28th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2013) Best Paper Award
  (Shinya Matsuda, Takashi Imagawa, Hiroshi Tsutsui, Takashi Sato, Yukihiro Nakamura, Hiroyuki Ochi, "Architecture for Sealed Wafer-scale Mask ROM for Long-term Digital Data Preservation," The 28th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), pp. 274-277, Jun. 2013.)

• 平成26年(2014年) 9月24日
  電子情報通信学会 基礎・境界ソサイエティ 貢献賞(研究専門委員会運営)
  スマートインフォメディアシステム研究専門委員会の運営及び活動に対する貢献

• 平成28年(2016年) 9月21日
  電子情報通信学会 基礎・境界ソサイエティ 貢献賞(ソサイエティ運営)
  基礎・境界ソサイエティ「事業担当幹事」としての貢献

• 平成29年(2017年) 5月11日
  電子情報通信学会 システムと信号処理サブソサイエティ 貢献賞

• 令和4年(2022年) 9月7日
  電子情報通信学会 基礎・境界ソサイエティ 貢献賞(会議運営)
  国際会議 SISA 2021 の運営に対する貢献

学会活動/会議運営 (不完全)

• The 21st International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2006), General Secretary

• APCCAS 2014 (Asia Pacific Conference on Circuits and Systems), Publication Chair

• ISCAS 2019 (IEEE International Symposium on Circuits and Systems), Management Co-Chair

• IEEE TENCON 2020, Japan Sections Supporting Committee Member

• SASIMI

  • SASIMI 2007 (The 14th Workshop on Synthesis And System Integration of Mixed Information technologies), TPC mebmer (Design Subcommittee)

  • SASIMI 2021 (The 23rd Workshop on Synthesis And System Integration of Mixed Information technologies), Publication Chair

  • SASIMI 2022 (The 24th Workshop on Synthesis And System Integration of Mixed Information technologies), Publication Chair

• International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)

  • ISPACS 2013 at Naha, Publicity Chair
    • IEEE Xplore
    • Conference Record #30637
  • ISPACS 2018 at Ishigaki, Publication Chair
    • IEEE Xplore
    • Conference Record #43669
  • ISPACS International Steering Committee Secretary, 2021–

• International Symposium on Communications and Information Technologies

  • ISCIT 2015 at Nara, Publication Chair
    • IEEE Xplore
    • Conference Record #36094
  • ISCIT 2021 at Virtual/Tottori, Publication Chair
    • IEEE Xplore
    • Conference Record #52804
  • ISCIT 2023 at Sydney, Australia, Publication Chair
    • Conference Record #57293

• PARTHENON Society, Steering Committee Member, 2013–

• IEICE Technical Committee on Smart Info-Media Systems (SIS-TC)

  • FY 2010–2011, Assistant Secretary
  • FY 2012–2013, Secretary
  • FY 2014–2019, Member

• ITE Technical Group on Broadcasting and Communication Technologies (BCT)

  • FY 2017–, Member

• IEICE Society Conference, General Conference

  • 2010 IEICE Society Conference, Program Committee (プログラム編成委員会) Member

  • 2011 IEICE Society Conference, Program Committee (プログラム編成委員会) Member

  • 2014 IEICE General Conference Program Committee (プログラム編成委員会) Member

  • 2016 IEICE Society Conference, Organizing Committee (大会実行委員会) Member

• SISB/SISA
  International Workshop on Smart Info-Media Systems in Bangkok
  International Workshop on Smart Info-Media Systems in Asia

  • SISB 2008, General Secretary, TPC member
  • SISA 2009, TPC member
  • SISA 2010, TPC member
  • SISA 2011, General Secretary, TPC member, International Steering Committee member, SISA Student Paper Awards Selection Committee Scretary and Member
  • SISA 2012, TPC member, International Steering Committee member
  • SISA 2013, TPC member, Web admin, International Steering Committee member
  • SISA 2014, Information System Chair, TPC member, International Steering Committee member
  • SISA 2015, TPC member
  • SISA 2016, Technical Program Co-Chair, TPC Chair
  • SISA 2017, TPC member
  • SISA 2018, Vice General Chair, TPC member
  • SISA 2019, TPC member
  • SISA 2021, General Chair

• IEICE Trans. on Fundamentals,
  Special Section on Smart Multimedia & Communication Systems

  • November 2009 issue, Guest Editor
  • November 2010 issue, Guest Associate Editor
  • November 2011 issue, Guest Associate Editor
  • November 2012 issue, Guest Editor
  • November 2013 issue, Guest Associate Editor
  • November 2014 issue, Guest Associate Editor
  • November 2015 issue, Guest Associate Editor
  • November 2016 issue, Guest Associate Editor
  • November 2017 issue, Guest Editor-in-Chief
  • November 2018 issue, Guest Associate Editor
  • December 2019 issue, Guest Associate Editor
  • March 2023 issue, Guest Editor-in-Chief

• IEICE Trans. on Fundamentals,
  Special Section on “Design Methodologies for System on a Chip”

  • July 2014 issue, Guest Associate Editor
  • July 2015 issue, Guest Associate Editor
  • July 2016 issue, Guest Associate Editor
  • July 2018 issue, Guest Editor
  • July 2019 issue, Guest Editor

• IEICE Hokkaido Section

  • FY 2015, 2016, Secretary
  • FY 2018, 2019, 2020, 2021, Assistant Secretary

• IEEE Sapporo Section

  • 2017–2018, Secretary/Treasurer
  • 2021–2022, Student Activities Committee Chair
  • IEEE Hokkaido University Student Branch
    • 2016–, Counselor

• Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers

  • 2015, Ogranizing Committee Member (IEICE Hokkaido Section)
  • 2016, Ogranizing Committee Member (IEICE Hokkaido Section)
  • 2017, Ogranizing Committee Member (IEEE Sapporo Section)
    • IEICE 100th Anniversary Special Session, Chair
  • 2018, Ogranizing Committee Member (IEEE Sapporo Section)
  • 2019, Session Chair
  • 2020, Virtual Session Room H Administrator
  • 2021, Session Chair

発表

Keynote Speeches

1. Hiroshi Tsutsui, "Design Techniques for Wireless Communication and Image Processing IP Cores," Invited Talk at Muroran Institute of Technology, Nov. 2022. [URL]
2. Hiroshi Tsutsui, "Design Techniques for Wireless Communication and Image Processing IP Cores," The 1st Hokkaido Young Professionals Workshop, Oct. 2021.
3. 筒井 弘, "無線通信・画像処理ハードウェアIPの設計技術," 電子情報通信学会 信学技報, Vol. 117, No. 401(ICTSSL), p. 55, CAS2017-120, ICTSSL2017-47, 25-26 Jan. 2018. [URL]
4. Hiroshi Tsutsui, "Design of Variational Based Realtime Retinex Image Enhancement IP Core," 6th AUN/SEED-Net Regional Conference on Electrical and Electronics Engineering (RC-EEE), Mar. 2014.

Peer Reviewed Journal Articles

1. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "WiFi Fingerprint Based Indoor Positioning Systems Using Estimated Reference Locations," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E103-A, No. 12, pp. 1483-1493, Dec. 2020. [doi:10.1587/transfun.2020SMP0024] [URL]
2. Dabwitso Kasauka, Kenta Sugiyama, Hiroshi Tsutsui, Hiroyuki Okuhata, Yoshikazu Miyanaga, "An Architecture for Real-Time Retinex-Based Image Enhancement and Haze Removal and Its FPGA Implementation," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E102-A, No. 6, pp. 775-782, Jun. 2019. [doi:10.1587/transfun.E102.A.775] [URL]
3. George Mufungulwa, Hiroshi Tsutsui, Yoshikazu Miyanaga, Shin-ichi Abe, "Enhanced Running Spectrum Analysis for Robust Speech Recognition Under Adverse Conditions: Case of Japanese Speech," ECTI Transactions on Computer and Information Technology (ECTI-CIT), Vol. 11, No. 1, pp. 82-90, Jul. 2017. [doi:10.37936/ecti-cit.2017111.81945]
4. Hiroshi Yuasa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Parallel Acceleration Scheme for Monte Carlo based SSTA using Generalized STA Processing Element," IEICE Transactions on Electronics, Vol. E96-C, No. 4, Apr. 2013.
5. Takashi Imagawa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A Cost-Effective Selective TMR for Coarse-Grained Reconfigurable Architectures based on DFG-Level Vulnerability Analysis," IEICE Transactions on Electronics, Vol. E96-C, No. 4, Apr. 2013.
6. Hiromitsu Awano, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Bayesian Estimation of Multi-trap RTN Parameters using Markov Chain Monte Carlo Method," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E95-A, No. 12, pp. 2272-2283, Dec. 2012. [URL]
7. Junya Kawashima, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A Variability-Aware Energy-Minimization Strategy for Subthreshold Circuits," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E95-A, No. 12, pp. 2242-2250, Dec. 2012. [URL]
8. Hiroshi Tsutsui, Koichi Hattori, Hiroyuki Ochi, Yukihiro Nakamura, "A High-Throughput Pipelined Parallel Architecture for JPEG XR Encoding," ACM Transactions in Embedded Computing Systems (TECS), Vol. 11, No. 3, Dec. 2012.
9. 廣本 正之, 筒井 弘, 越智 裕之, 小佐野 智之, 石川 憲洋, 中村 行宏, "メディアストリーミングにおける高速移動通信網に適した動的符号化レート制御手法," 情報処理学会論文誌, Vol. 50, No. 10, pp. 2532-2542, Oct. 2009.
10. Hiroki Sugano, Takahiko Masuzaki, Hiroshi Tsutsui, Takao Onoye, Hiroyuki Ochi, Yukihiro Nakamura, "Efficient Memory Organization Framework for JPEG2000 Entropy Codec," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E92-A, No. 8, pp. 1970-1977, Aug. 2009.
11. 増崎 隆彦, 筒井 弘, 尾上 孝雄, 水野 雄介, 佐々木 元, 中村 行宏, "シングルタイル JPEG2000 コーデックのシステム構成," 画像電子学会誌, Vol. 38, No. 3, pp. 296-304, May. 2009. [ISSN:0285-9831]
12. 宮本 龍介, 劉 載勲, 筒井 弘, 中村 行宏, "可変ウィンドウ手法に基づく高精度ステレオマッチングプロセッサ," 画像電子学会誌, Vol. 36, No. 3, pp. 210-218, May. 2007. [ISSN:0285-9831]
13. Ryusuke Miyamoto, Jumpei Ashida, Hiroshi Tsutsui, Yukihiro Nakamura, "Stochastic Pedestrian Tracking based on 6-stick Skeleton Model," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E90-A, No. 3, pp. 606-617, Mar. 2007. [doi:10.1093/ietfec/e90-a.3.606]
14. Hiroshi Tsutsui, Takahiko Masuzaki, Yoshiteru Hayashi, Yoshitaka Taki, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Scalable Design Framework for JPEG2000 System Architecture," Intelligent Automation and Soft Computing, Vol. 13, No. 3, pp. 331-343, Jan. 2006.
15. Hiroshi Tsutsui, Akihiko Tomita, Shigenori Sugimoto, Kazuhisa Sakai, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "LUT-Array-Based PLD and Synthesis Approach Based on Sum of Generalized Complex Terms Expression," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E84-A, No. 11, pp. 2681-2689, Nov. 2001.

Peer Reviewed Conference Papers

1. Kota Hirai, Hiroshi Tsutsui, Ying He, Takeo Ohgane, "Power Consumption and Prototype Evaluation of IoT Devices for Environmental Monitoring Systems," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), Oct. 2023. [doi:10.1109/ISCIT57293.2023.10376140]
2. Kyotaro Kunii, Takuya Yasugi, Hiroshi Tsutsui, Takeo Ohgane, "Experimental Evaluation and Field Tests of LoRa Energy Consumption Optimization Approach Using Software-Defined Radio," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 45-50, Sep. 2022. [doi:10.34385/proc.69.RS1-4]
3. Haojiong Wang, Hiroshi Tsutsui, Matteo Convertino, "Classification of Rich-Classes but Scarce-Samples Images via Multi-modeling: the Humpback Whale Epitome," Proceedings of IEEE Global Conference on Life Sciences and Technologies (LifeTech), pp. 290-292, Mar. 2022. [doi:10.1109/LifeTech53646.2022.9754935]
4. Jimpu Suzuki, Hiroshi Tsutsui, Takeo Ohgane, "An Evaluation of 5G LDPC Decoder Using Min-Sum Irregular LDPC Decoder Design Framework Considering Its QC-LDPC Structure," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 71-76, Sep. 2021. [doi:10.34385/proc.66.RS2-5]
5. Shingo Kato, Hiroshi Tsutsui, "A Feasibility Study on CNN-LSTM Based Phrase Speech Recognition Compared with LSTM and HMM," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 154-157, Sep. 2021. [doi:10.34385/proc.66.RS3-7]
6. Haruki Inaba, Hiroshi Tsutsui, Takuya Yasugi, "Wireless Channel Measurement System Using Zynq UltraScale+ RFSoC for MIMO and D2D Communication Systems," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 135-138, Dec. 2020.
7. Takuto Fukusaki, Hiroshi Tsutsui, Takeo Ohgane, "An Evaluation of a CNN-Based Parking Detection System with Webcams," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1-4, Dec. 2020.
8. Tomotaka Kawabata, Hiroshi Tsutsui, "An Evaluation of High-Throughput Scalable Radix-4 FFT Processor Architecture Using Fixed-Point Arithmetic," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 114-117, Dec. 2020.
9. Jimpu Suzuki, Hiroshi Tsutsui, Takeo Ohgane, "An Evaluation of Design Framework for Min-Sum Irregular LDPC Decoders," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 110-113, Dec. 2020.
10. Atsuki Kuriyama, Hiroshi Tsutsui, "An Approach to Maximize SDMA Uplink Communication in an IoT Media Access Control Protocol," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 49-52, Dec. 2020.
11. Yoshikazu Miyanaga, Yu Tian, Hiroshi Tsutsui, "Robot Speech Recognition of Child Isolated Words," International STEM Education Conference (iSTEM-Ed 2020), Nov. 2020.
12. Hiroshi Tsutsui, Kentaro Yamada, Akihiro Sudou, Yoshikazu Miyanaga, "An Evaluation of Stack Light Indicator Color Detection System Using Web Cameras for Automatic Production Lines," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1423-1426, Nov. 2019. [doi:10.1109/APSIPAASC47483.2019.9023108]
13. Riku Takanashi, Tatsuya Nakagoshi, Noboru Hayasaka, Yoshikazu Miyanaga, Hiroshi Tsutsui, "Voice Activity Detection Using Running Spectrum Analysis for Noise Robust Speech Recognition," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 164-166, Aug. 2019.
14. Jiayue Tang, Yu Tian, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Robust Isolated Speech Recognition for Keyword Detection System Using Hidden Markov Model," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 161-163, Aug. 2019.
15. Yu Tian, Jiayue Tang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Improvement on Children Speech Recognition under Low Signal-to-Noise Ratio Environment," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 4-6, Aug. 2019.
16. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Construction and Management of Fingerprint Database with Estimated Reference Locations for WiFi Indoor Positioning Systems," Proceedings of the 23rd Multi-conference on Systemics, Cybernetics and Informatics (WMSCI 2019), Vol. 2, pp. 7-10, Jul. 2019. [URL]
17. Yoshikazu Miyanaga, Hiroshi Tsutsui, Junji Yamano, Masaki Miura, Tohru Gotoh, Takashi Imagawa, "Development of Real-time FHD Loss-Less Video Communication over an 8×8 MIMO-OFDM System," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Nov. 2018.
18. Yoshikazu Miyanaga, Hiroshi Tsutsui, Junji Yamano, Masaki Miura, Tohru Gotoh, Takashi Imagawa, "Development of High Performance RF Modules Used in Real-time FHD Video Communication over 8x8 MIMO-OFDM System," Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Nov. 2018.
19. Jiayue Tang, Yu Tian, Xiaonan Jiang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Keyword Detection Using ACF of Pitch for Robust Speech Recognition," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 96-100, Sep. 2018.
20. Yu Tian, Jiayue Tang, Xiaonan Jiang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Accuracy on Children's Speech Recognition under Noisy Circumstances," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 101-104, Sep. 2018.
21. Yu Tian, Jiayue Tang, Xiaonan Jiang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Robust Children Isolated Speech Recognition System Using RSA and RSF," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 113-116, Aug. 2018.
22. Jiayue Tang, Yu Tian, Xiaonan Jiang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Keyword Detection Using F0-VAD in Robust Isolated Phase Recognition System," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 121-124, Aug. 2018.
23. Yunako Katagishi, So Tsuyuguchi, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Entropy Coding Approaches in Block-Based Adaptive Lossless Image Coding Method for Embedded Systems," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2018.
24. Xiaonan Jiang, Tatsuya Nakagoshi, George Mufungulwa, Hiroshi Tsutsui, Yoshikazu Miyanaga, Shin-ichi Abe, "Robust Isolated Phrase Recognition System Using Running Spectrum Analysis," Proceedings of Intelligent Transportation Society of America World Congress (ITS 2017), pp. 1-7, AP-TP1039, Oct. 2017.
25. Yoshikazu Miyanaga, Hiroshi Tsutsui, Takashi Imagawa, "FHD loss-less video communication over 8 × 8 MIMO-OFDM," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 1-5, Sep. 2017. [doi:10.1109/ISCIT.2017.8261236] [URL]
26. Xiaonan Jiang, Tatsuya Nakagoshi, Noboru Hayasaka, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Phrase Rejection Using K-means Clustering for Robust Speech Recognition," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 154-157, Sep. 2017.
27. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Accuracy Evaluation of WiFi Based Indoor Positioning System Using Estimated Reference Locations," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 321-326, Sep. 2017.
28. Tatsuya Nakagoshi, Xiaonan Jiang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Robust Speech Recognition Using Low-pass Processing RSA in the Frequency Domain," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 139-142, Aug. 2017.
29. So Tsuyuguchi, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Low-Cost Adaptive Block-Based Lossless Compression Method for Memory Bandwidth Reduction," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 97-100, Aug. 2017.
30. Kentaro Yamada, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Foreground Extraction Using Background Subtraction and GrabCut," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 27-30, Aug. 2017.
31. George Mufungulwa, Hiroshi Tsutsui, Yoshikazu Miyanaga, Shin-ichi Abe, "Robust Speech Recognition for Similar Japanese Pronunciation Phrases Under Noisy Conditions," Proceedings of International Symposium on Signals, Circuits and Systems 2017 (ISSCS2017), pp. 1-4, Jul. 2017. [doi:10.1109/ISSCS.2017.8034928] [URL]
32. George Mufungulwa, Alia Asheralieva, Hiroshi Tsutsui, Shin-ichi Abe, Yoshikazu Miyanaga, "Speech Recognition Using TVLPC Based MFCC for Similar Pronunciation Phrases," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1918-1921, 28-31 May. 2017.
33. Dabwitso Kasauka, Hiroshi Tsutsui, Seijiro Imai, Takashi Imagawa, Hiroyuki Okuhata, Yoshikazu Miyanaga, "Image Smoothing in the Spatial Domain Using Multigrid Conjugate Gradient Methods Based on Accelerated Iterative Shrinkage," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1-5, Dec. 2016. [doi:10.1109/APSIPA.2016.7820751] [URL]
34. Seijiro Imai, Dabwitso Kasauka, Hiroshi Tsutsui, Takashi Imagawa, Hiroyuki Okuhata, Yoshikazu Miyanaga, "Processing Time Reduction of Tone Mapping Based on Iterative Shrinkage Smoothing Using Parallel Processing," Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), pp. 1-4, Oct. 2016. [doi:10.1109/ISPACS.2016.7824739] [URL]
35. Hiroki Uesaka, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Accuracy Evaluation of Motion-Compensated Frame Interpolation Using High-Resolution Video and High-Frame-Rate Video," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), Sep. 2016.
36. Licheng Rao, Shingo Yoshizawa, Hiroshi Tsutsui, Yoshikazu Miyanaga, "One-block shared memory FFT processor by using new memory addressing approach," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2016.
37. George Mufungulwa, Alia Asheralieva, Hiroshi Tsutsui, Yoshikazu Miyanaga, "New MFCC with Triangular Mel Filtered Time Varying LPC," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2016.
38. George Mufungulwa, Alia Asheralieva, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Speech Recognition using MFCC with Time Varying LPC for Similar Pronunciation Phrases," The 31st International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Jul. 2016.
39. Dabwitso Kasauka, Hiroshi Tsutsui, Hiroyuki Okuhata, Takashi Imagawa, Yoshikazu Miyanaga, "Image Smoothing Using Spatial Iterative Methods Based on Accelerated Iterative Shrinkage," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 779-783, 16-19 Dec. 2015. [doi:10.1109/APSIPA.2015.7415378] [URL] [dblp]
40. Shinya Moriyama, Kosuke Morinaga, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga, Masaki Miura, Tohru Gotoh, Junji Yamano, "Carrier and Sampling Frequency Offset Compensation in 8×8 MIMO-OFDM Systems and its Performance Evaluation Using Measured Data," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 73-76, Sep. 2015.
41. Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga, "A Feasibility Study of a Flexible OFDM Transmitter Towards an Adaptive Control of Communication Quality," Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), pp. 77-79, Sep. 2015.
42. Federico Ang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Time-Varying LP Cepstral Features for Improved Isolated Word Speech Recognition," Proceedings of IEEE International Conference on Digital Signal Processing (DSP), pp. 302-306, Jul. 2015. [doi:10.1109/ICDSP.2015.7251880] [ISSN:2165-3577] [ISSN:1546-1874] [URL] [dblp]
43. Federico Ang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Incorporation of Time-Varying LP Cepstral Features in HMM-Based Isolated Word Speech Recognition," Proceedings of International Symposium on Signals, Circuits and Systems (ISSCS), pp. 1-4, Jul. 2015. [doi:10.1109/ISSCS.2015.7204030] [URL]
44. Takahiro Inatsuki, Masato Matsuura, Kosuke Morinaga, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An FPGA Implementation of Low-latency Video Transmission System Using Lossless and Near-lossless Line-based Compression," Proceedings of IEEE International Conference on Digital Signal Processing (DSP), pp. 1062-1066, Jul. 2015. [doi:10.1109/ICDSP.2015.7252041] [ISSN:2165-3577] [ISSN:1546-1874] [URL] [dblp]
45. Dabwitso Kasauka, Hiroshi Tsutsui, Hiroyuki Okuhata, Yoshikazu Miyanaga, "Computational Cost Analysis and Implementation of Accelerated Iterative Shrinkage Smoothing," Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1-4, 9-12 Dec. 2014. [doi:10.1109/APSIPA.2014.7041808] [URL] [dblp]
46. Masahito Umehara, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Approach of Doppler-Tolerant Channel Estimation Using RLS Algorithm for MIMO-OFDM Systems," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 197-202, Oct. 2014.
47. Hiroki Iwaizumi, Masahiro Sugitani, Baiko Sai, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Video Wireless Communication Based on High Speed 8×8 MIMO-OFDM System," Proceedings of International Symposium on Communications, Control, and Signal Processing (ISCCSP), pp. 627-630, 21-23 May. 2014. [doi:10.1109/ISCCSP.2014.6877943] [URL]
48. Takashi Sato, Junya Kawashima, Hiroshi Tsutsui, Hiroyuki Ochi, "Experimental validation of minimum operating-voltage-estimation for low supply voltage circuits," Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 428-433, Mar. 2014. [doi:10.1109/ISQED.2014.6783356] [URL]
49. Yuya Inoue, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Study of PAPR Reduction Using Coded PTS in 8×8 MIMO-OFDM Systems," Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), pp. 363-368, Nov. 2013. [doi:10.1109/ISPACS.2013.6704577] [URL] [dblp]
50. Takashi Imagawa, Masayuki Hiromoto, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Place-and-Route Algorithms for a Reliability-Oriented Coarse-Grained Reconfigurable Architecture Using Time Redundancy," Proc. of the 18th Workshop on Synthesis And System Integration of Mixed Information technologies (SASIMI2013), pp. 76-81, Oct. 2013.
51. Masahito Umehara, Baiko Sai, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Channel Estimation Using RLS Algorithm in MIMO-OFDM Systems," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), pp. 145-150, Oct. 2013.
52. Masumi Watanabe, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Robust Speech Recognition for Similar Pronunciation Phrases Using MMSE under Noise Environments," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 802-807, T5, 4-6 Sep. 2013. [doi:10.1109/ISCIT.2013.6645971] [URL]
53. Masato Matsuura, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Realtime Transmission of Full High-Definition 30 Frames/s Videos over 8×8 MIMO-OFDM Channels Using HACP-Based Lossless Coding," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 797-801, T4, 4-6 Sep. 2013. [doi:10.1109/ISCIT.2013.6645970] [URL]
54. Yuki Hikiyama, Hiroshi Tsutsui, Yoshikazu Miyanaga, "MIMO Propagation Scenario Discrimination for Adaptive Wireless Communication Systems," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 674-679, S2, 4-6 Sep. 2013. [doi:10.1109/ISCIT.2013.6645956] [URL]
55. Kosuke Morinaga, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Evaluation of Wireless Video Transmission Using Lossless Video Compression and 8×8 MIMO-OFDM Wireless Transceiver," Proceedings of International Symposium on Communications and Information Technologies (ISCIT), pp. 685-690, S5, 4-6 Sep. 2013. [doi:10.1109/ISCIT.2013.6645962] [URL]
56. 藤田 隆史, 筒井 弘, 越智 裕之, 佐藤 高史, "画像の圧縮センシングにおける画像内圧縮率の適応的変更手法," 第26回 回路とシステムワークショップ, pp. 397-402, Jul. 2013.
57. 岡崎 剛, 筒井 弘, 越智 裕之, 佐藤 高史, "準ゼロ分散推定と誤差平滑化処理を併用するランダムウォーク電源網解析," 第26回 回路とシステムワークショップ, pp. 472-477, Jul. 2013.
58. 木村 和紀, 筒井 弘, 越智 裕之, 佐藤 高史, "SRAM 回路解析における最小ノルム不良サンプルと歩留まりの関係," 第26回 回路とシステムワークショップ, pp. 374-379, Jul. 2013.
59. Shiyi Zhang, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Histogram Propagation Based Statistical Timing Analysis Using Dependent Node Selection," The 28th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), pp. 321-324, Jun. 2013.
60. Shinya Matsuda, Takashi Imagawa, Hiroshi Tsutsui, Takashi Sato, Yukihiro Nakamura, Hiroyuki Ochi, "Architecture for Sealed Wafer-scale Mask ROM for Long-term Digital Data Preservation," The 28th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), pp. 274-277, Jun. 2013.
61. Takumi Morishita, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Fast and Memory-Efficient GPU Implementations of Krylov Subspace Methods for Efficient Power Grid Analysis," Proc. of GLSVLSI 2013, pp. 95-100, May. 2013. [URL]
62. Hiromitsu Awano, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Multi-trap RTN Parameter Extraction based on Bayesian Inference," Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 597-602, Mar. 2013. [doi:10.1109/ISQED.2013.6523672]
63. Zoltan Endre Rakosi, Masayuki Hiromoto, Hiroshi Tsutsui, Takashi Sato, Yukihiro Nakamura, Hiroyuki Ochi, "Hot-Swapping Architecture with Back-biased Testing for Mitigation of Permanent Faults in Functional Unit Array," Proceedings of Design, Automation and Test in Europe (DATE), Mar. 2013.
64. Takashi Imagawa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "High-speed DFG-level SEU Vulnerability Analysis for Applying Selective TMR to Resource-Constrained CGRA," Proceedings of International Symposium on Quality Electronic Design (ISQED), Mar. 2013.
65. Takashi Imagawa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A Cost-Effective Selective TMR for Heterogeneous Coarse-Grained Reconfigurable Architectures based on DFG-Level Vulnerability Analysis," Proceedings of Design, Automation and Test in Europe (DATE), Mar. 2013.
66. Tetsuro Miyakawa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Realization of frequency-domain circuit analysis through random walk," ACM/IEEE Asia South Pacific Design Automation Conference (ASP-DAC), pp. 169-174, Jan. 2013. [doi:10.1109/ASPDAC.2013.6509591]
67. Hiroshi Tsutsui, Satoshi Yoshikawa, Hiroyuki Okuhata, Takao Onoye, "Halo Artifacts Reduction Method for Variational based Realtime Retinex Image Enhancement," Proc. of APSIPA ASC 2012, Dec. 2012.
68. 清水 裕史, 粟野 皓光, 筒井 弘, 越智 裕之, 佐藤 高史, "情報量規準を用いるRTNモデルパラメータ推定の自動化," 情報処理学会DAシンポジウム論文集, Vol. 2012, No. 5, pp. 49-54, Aug. 2012. [ISSN:1344-0640]
69. 川島 潤也, 越智 裕之, 筒井 弘, 佐藤 高史, "回路の最小動作電圧改善とその予測精度向上の一検討," 第25回 回路とシステムワークショップ, pp. 313-318, Jul. 2012.
70. 森下 拓海, 筒井 弘, 越智 裕之, 佐藤 高史, "クリロフ部分空間法を用いた電源回路網解析のGPU実装による高速化," 第25回 回路とシステムワークショップ, Vol. 25, pp. 432-437, Jul. 2012.
71. Takashi Sato, Hiromitsu Awano, Hirofumi Shimizu, Hiroshi Tsutsui, Hiroyuki Ochi, "Statistical observations of NBTI-induced threshold voltage shifts on small channel-area devices," Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 306-311, Mar. 2012. [doi:10.1109/ISQED.2012.6187510]
72. Hiroshi Yuasa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Hardware Architecture for Accelerating Monte Carlo based SSTA using Generalized STA Processing Element," Proc. of the 17th Workshop on Synthesis And System Integration of Mixed Information technologies (SASIMI2012), pp. 205-210, Mar. 2012.
73. Takashi Imagawa, Takahiro Oue, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "GPU Acceleration of Cycle-based Soft-Error Simulation for Reconfigurable Array Architectures," Proc. of the 17th Workshop on Synthesis And System Integration of Mixed Information technologies (SASIMI2012), pp. 88-93, Mar. 2012.
74. Hiroshi Yuasa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Acceleration Scheme for Monte Carlo based SSTA using Generalized STA Processing Element," Proc. of ACM/IEEE International Workshop on Timing Issues (TAU), Jan. 2012.
75. Takashi Sato, Tadamichi Kozaki, Takumi Uezono, Hiroshi Tsutsui, Hiroyuki Ochi, "A device array for efficient bias-temperature instability measurements," Proc. of European Solid-State Device Research Conference (ESSDERC), pp. 143-146, Sep. 2011.
76. Junya Kawashima, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A Design Strategy for Sub-Threshold Circuits Considering Energy-Minimization and Yield-Maximization," Proc. of IEEE International SOC Conference (SOCC), pp. 57-62, Sep. 2011. [doi:10.1109/SOCC.2011.6085076]
77. 今川 隆司, 湯浅 洋史, 筒井 弘, 越智 裕之, 佐藤 高史, "配線資源の信頼性モデルを用いた粗粒度再構成可能 アーキテクチャ向け選択的三重化の最適化手法," 情報処理学会DAシンポジウム論文集, Vol. 2011, No. 5, pp. 111-116, Aug. 2011. [ISSN:1344-0640]
78. 片山 健太朗, 筒井 弘, 越智 裕之, 佐藤 高史, "複数不良領域を持つ回路歩留まり解析のための逐次重点的サンプリング法," 情報処理学会DAシンポジウム論文集, Vol. 2011, No. 5, pp. 93-98, Aug. 2011. [ISSN:1344-0640]
79. 川島 潤也, 越智 裕之, 筒井 弘, 佐藤 高史, "エネルギー最小化と動作保証を考慮したサブスレッショルド回路の設計指針の検討," 第24回 回路とシステムワークショップ, pp. 401-406, Aug. 2011.
80. Takashi Sato, Tadamichi Kozaki, Takumi Uezono, Hiroshi Tsutsui, Hiroyuki Ochi, "A stress-parallelized device array for efficient bias-temperature stability measurement," Proc. of IEEE International Workshop on Design for Manufacturability and Yield 2011 (DFM&Y), pp. 19-22, Jun. 2011.
81. Tetsuro Miyakawa, Koh Yamanaga, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Acceleration of Random-walk-based Linear Circuit Analysis Using Importance Sampling," Proc. of GLSVLSI 2011, pp. 211-216, May. 2011. [URL]
82. Hiroshi Yuasa, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A fully pipelined implementation of Monte Carlo based SSTA on FPGAs," Proceedings of International Symposium on Quality Electronic Design (ISQED), pp. 785-790, Mar. 2011.
83. Tatsuo Maeno, Hiroshi Tsutsui, Takao Onoye, "Hardware Implementation of Real-time Motion Adaptive Deinterlacing based on Inpainting," Proceedings of International Conference on Embedded Systems and Intelligent Technology (ICESIT), Feb. 2011.
84. Kentaro Katayama, Shiho Hagiwara, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Sequential Importance Sampling for Low-Probability and High-Dimensional SRAM Yield Analysis," Proc. of ACM/IEEE International Conference on Computer-aided Design (ICCAD), pp. 703-708, Nov. 2010. [doi:10.1109/ICCAD.2010.5654259]
85. Hiroshi Tsutsui, Hideyuki Nakamura, Ryoji Hashimoto, Hiroyuki Okuhata, Takao Onoye, "An FPGA Implementation of Real-Time Retinex Video Image Enhancement," Proc. of World Automation Congress (WAC), International Forum on Multimedia and Image Processing (IFMIP), Sep. 2010.
86. Hideyuki Nakamura, Hiroshi Tsutsui, Takao Onoye, "An Approach to Motion-Compensated Frame Interpolation based on Feature Tracking," Proceedings of International Workshop on Smart Info-Media Systems in Asia (SISA), Sep. 2010.
87. Koichi Hattori, Hiroshi Tsutsui, Hiroyuki Ochi, Yukihiro Nakamura, "A High-Throughput Pipelined Architecture for JPEG XR Encoding," Proc. of 7th IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia2009), pp. 9-17, Oct. 2009.
88. Masayuki Hiromoto, Hiroshi Tsutsui, Hiroyuki Ochi, Tomoyuki Osano, Norihiro Ishikawa, Yukihiro Nakamura, "Dynamic Rate Control for Media Streaming in High-Speed Mobile Networks," Proc. of IEEE Wireless Communications and Networking Conference (WCNC2009), Apr. 2009.
89. Koichi Hattori, Hiroshi Tsutsui, Hiroyuki Ochi, Yukihiro Nakamura, "An Architecture of Photo Core Transform in HD Photo Coding System for Embedded Systems of Various Bandwidths," Proc. of 2008 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS2008), pp. 1592-1595, Nov. 2008.
90. 廣本 正之, 筒井 弘, 越智 裕之, 小佐野 智之, 石川 憲洋, 中村 行宏, "メディアストリーミングにおける高速移動通信網に適した動的符号化レート制御手法の検討," マルチメディア，分散，協調とモバイル(DICOMO2008)シンポジウム, pp. 1167-1176, Jul. 2008.
91. Hiroshi Tsutsui, Jaehoon Yu, Tomonori Izumi, Hiroyuki Ochi, Yukihiro Nakamura, Takaaki Komura, Yoshitaka Uchida, Norihiro Ishikawa, "Implementation of AV Streaming System using Peer-to-Peer Communication," Proc. of IEEE Consumer Communications and Networking Conference (CCNC2007), pp. 778-782, Jan. 2007.
92. Hiromitsu Sumino, Yoshitaka Uchida, Norihiro Ishikawa, Hiroshi Tsutsui, Hiroyuki Ochi, Yukihiro Nakamura, "Home Appliance Control from Mobile Phones," Proc. of IEEE Consumer Communications and Networking Conference (CCNC2007), pp. 793-797, Jan. 2007.
93. Ryusuke Miyamoto, Hiroki Sugano, Hiroaki Saito, Hiroshi Tsutsui, Hiroyuki Ochi, Ken'ichi Hatanaka, Yukihiro Nakamura, "Pedestrian Recognition in Far-Infrared Images by Combining Boosting-Based Detection and Skeleton-Based Stochastic Tracking," Proceedings of Pacific-Rim Symposium on Image and Video Technology (PSIVT), pp. 483-494, Dec. 2006. [doi:10.1007/11949534_48]
94. Jumpei Ashida, Ryusuke Miyamoto, Hiroshi Tsutsui, Takao Onoye, Yukihiro Nakamura, "Probabilistic Pedestrian Tracking Based on a Skeleton Model," Proceedings of International Conference on Image Processing (ICIP), pp. 2825-2828, Oct. 2006. [doi:10.1109/ICIP.2006.312996]
95. 廣本 正之, 神山 真一, 中原 健太郎, 筒井 弘, 越智 裕之, 中村 行宏, "自己再構成アーキテクチャ評価検討のための合成ツール," 情報処理学会DAシンポジウム論文集, pp. 181-186, Jul. 2006.
96. Ryusuke Miyamoto, Jumpei Ashida, Hiroshi Tsutsui, Yukihiro Nakamura, "Skeleton based Stochastic Pedestrian Tracking for Surveillance," Proc. of World Multi-Conference on Systemics, Cybernetics and Informatics (WMSCI2006), Vol. V, pp. 206-211, Jul. 2006.
97. Fumihiko Hyuga, Takahiko Masuzaki, Hiroshi Tsutsui, Takao Onoye, Yukihiro Nakamura, "A JPEG Coding Scheme for High Fidelity Images by Halftoning Less Significant Extra Bits," Proc. of International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2006), Vol. 3, pp. 97-100, Jul. 2006.
98. Hiroki Sugano, Hiroshi Tsutsui, Takahiko Masuzaki, Takao Onoye, Hiroyuki Ochi, Yukihiro Nakamura, "Efficient Memory Architecture for JPEG2000 Entropy Codec," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), pp. 2881-2884, May. 2006.
99. 宮本 龍介, 原 悠記, 筒井 弘, 中村 行宏, "多重画像の統合による動きブレを伴わないカラーダイナミックレンジの拡張," 第19回 回路とシステム(軽井沢)ワークショップ, pp. 189-192, Apr. 2006.
100. 宮本 龍介, 劉 載勲, 筒井 弘, 中村 行宏, "可変ウィンドウステレオマッチングプロセッサのアーキテクチャ," 第19回 回路とシステム(軽井沢)ワークショップ, pp. 165-170, Apr. 2006.
101. Ryusuke Miyamoto, Hiroaki Sugita, Yoshiteru Hayashi, Hiroshi Tsutsui, Takahiko Masuzaki, Takao Onoye, Yukihiro Nakamura, "High Quality Motion JPEG2000 Coding Scheme Based on the Human Visual System," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), pp. 2096-2099, May. 2005.
102. Ryusuke Miyamoto, Yoshiteru Hayashi, Hiroshi Tsutsui, Takahiko Masuzaki, Takao Onoye, Yukihiro Nakamura, "Video quality enhancement for Motion JPEG2000 encoding based on the human visual system," Proc. of 2004 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS2004), pp. 1161-1164, Dec. 2004.
103. Hiroshi Tsutsui, Takahiko Masuzaki, Yoshiteru Hayashi, Yoshitaka Taki, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Scalable Design Framework for JPEG2000 System Architecture," Proc. of 9th Asia-Pacific Computer Systems Architecture Conference (ACSAC2004), pp. 296-308, Sep. 2004.
104. Jumpei Ashida, Ryusuke Miyamoto, Hiroshi Tsutsui, Takao Onoye, Yukihiro Nakamura, "A Scalable Approach for Estimation of Focus of Expansion," Proc. of The 4th IASTED International Conference on Visualization, Imaging, and Image Processing (VIIP2004), pp. 6-11, Sep. 2004.
105. Takao Onoye, Hiroshi Tsutsui, Gen Fujita, Yukihiro Nakamura, Isao Shirakawa, "Embedded System Implementation Of Scalable And Object-Based Video Coding," Proc. of World Automation Congress (WAC), International Forum on Multimedia and Image Processing (IFMIP), Jun. 2004.
106. Hiroaki Sugita, Quang Minh Vu, Takahiko Masuzaki, Hiroshi Tsutsui, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "JPEG2000 High-Speed Progressive Decoding Scheme," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 3, pp. 873-876, May. 2004.
107. Yoshiteru Hayashi, Hiroshi Tsutsui, Takahiko Masuzaki, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Design Framework for JPEG2000 Encoding System Architecture," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 2, pp. 740-743, May. 2003.
108. Yoshiteru Hayashi, Hiroshi Tsutsui, Takahiko Masuzaki, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Scalable Design Framework for JPEG2000 Encoder Architecture," Proc. of the 11th Workshop on Synthesis And System Integration of Mixed Information technologies (SASIMI2003), pp. 372-377, Apr. 2003.
109. Hiroshi Tsutsui, Takahiko Masuzaki, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "High Speed JPEG2000 Encoder by Configurable Processor," Proc. of 2002 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS2002), Vol. 1, pp. 45-50, Oct. 2002.
110. Takahiko Masuzaki, Hiroshi Tsutsui, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Adaptive Rate Control for JPEG2000 Image Coding in Embedded Systems," Proceedings of International Conference on Image Processing (ICIP), Vol. 3, pp. 77-80, Sep. 2002.
111. Takahiko Masuzaki, Hiroshi Tsutsui, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "JPEG2000 Adaptive Rate Control for Embedded Systems," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 4, pp. 333-336, May. 2002.
112. Hiroshi Tsutsui, Takahiko Masuzaki, Masayuki Oyamatsu, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "JPEG2000 Fully Scalable Image Encoder by Configurable Processor," Proc. of Euromedia Conference, pp. 168-172, Apr. 2002.
113. Hiroshi Tsutsui, Takahiko Masuzaki, Masayuki Oyamatsu, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "Design of JPEG2000 Encoder for Fully Scalable Image Coding," Proc. of World Multi-Conference on Systemics, Cybernetics and Informatics (SCI2001), Vol. XV, pp. 546-551, Jul. 2001.
114. Hiroshi Tsutsui, Kazuhiro Hiwada, Tomonori Izumi, Takao Onoye, Yukihiro Nakamura, "A design of LUT-array-based PLD and a synthesis approach based on sum of generalized complex terms expression," Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 5, pp. 203-206, May. 2001. [URL]
115. 筒井 弘, 檜田 和浩, 泉 知論, 尾上 孝雄, 中村 行宏, "LUTアレイ型PLDの設計と論理関数の埋め込み手法," 情報処理学会DAシンポジウム論文集, Vol. 2000, No. 8, pp. 21-26, Jul. 2000. [ISSN:1344-0640]

Technical Reports and Others

1. 石﨑 結敦, 國井 京太朗, 筒井 弘, 大鐘 武雄, "札幌市近郊における電測車を利用したLoRa無線通信の通信品質及び見通しによる影響の評価," 映像情報メディア学会 映情学技報, Vol. 48, No. 23, pp. 8-11, BCT2024-53, 26-26 Jul. 2024. [URL]
2. 陳 源佑, 筒井 弘, 大鐘 武雄, "Reservoir Computingに基づくMIMO-OFDM検出におけるプリコーダを用いた性能評価," 映像情報メディア学会 映情学技報, Vol. 48, No. 23, pp. 12-15, BCT2024-54, 26-26 Jul. 2024. [URL]
3. 清水 皓大, 筒井 弘, 大鐘 武雄, "積雪条件下での駐車場モニタリングシステムのための背景差分法を用いた駐車状況変化検出手法とその評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2024. [URL]
4. 山村 尚也, 筒井 弘, 大鐘 武雄, "MFCC計算の固定小数点演算実装検討とHMMを利用したフレーズ音声認識への影響評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2024. [URL]
5. Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, "A Prototype Implementation of Audio Signal Pitch Shifting Utilizing Arty A7 and I2S MEMS Microphone Controlled by RISC-V Processor," Proceedings of the 49th PARTHENON Technical Society Conference, pp. 25-29, Dec. 2023. [URL]
6. 田中 健志朗, 平井 康太, 筒井 弘, 大鐘 武雄, "環境センシング向けIoTデバイスにおけるGPSモジュールの低消費電力化検討とその実機評価," 電気・情報関係学会北海道支部連合大会, pp. 206-207, Oct. 2023. [URL]
7. Aaron William Chimkono, Hiroshi Tsutsui, Takeo Ohgane, "Towards Robust Parking Classification in Snow: Training MobileNetV3 on a Custom Dataset," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 254, Oct. 2023. [URL]
8. 齊藤 優希, 國井 京太朗, 筒井 弘, 大鐘 武雄, "LoRa変調方式における通信性能の時間変化に関する一調査," 電気・情報関係学会北海道支部連合大会, p. 208, Oct. 2023. [URL]
9. 國井 京太朗, 筒井 弘, 大鐘 武雄, "LDPC符号を用いたLoRa変調方式の通信性能改善効果評価," 電気・情報関係学会北海道支部連合大会, pp. 209-210, Oct. 2023. [URL]
10. 望月 桂太, 筒井 弘, 大鐘 武雄, "オンライン会議録画の編集自動化システムにおける基本周波数推定を用いた発話区間抽出法の評価," 電子情報通信学会ソサイエティ大会, p. 111, A-14-2, Sep. 2023. [URL]
11. 熊木 礼於奈, 筒井 弘, 大鐘 武雄, "(8,4)および(16,8) Polar符号のニューラルネットワークを用いた復号に関するパラメータ評価," 映像情報メディア学会 映情学技報, Vol. 47, No. 21, pp. 49-52, BCT2023-61, 27-28 Jul. 2023. [URL]
12. 熊木 礼於奈, 筒井 弘, 大鐘 武雄, "短符号長Polar符号復号のための全結合ニューラルネットワークの構造比較," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2023. [URL]
13. 平井 康太, 筒井 弘, 大鐘 武雄, "環境センシング向けIoTデバイスの間欠動作による低消費電力化検討とその実機評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2023. [URL]
14. 熊木 礼於奈, 筒井 弘, 大鐘 武雄, "深層学習による短符号長Polar符号復号に関する基礎的検討," 電子情報通信学会 信学技報, Vol. 122, No. 357(RCS), pp. 132-135, IT2022-52, SIP2022-103, RCS2022-231, 24-25 Jan. 2023. [URL]
15. 三嶋 貴志, 新木 一平, 筒井 弘, 大鐘 武雄, "音声解析に基づく無音区間除去を用いたオンライン会議録画の編集自動化システムに関する一考察," 電子情報通信学会 信学技報, Vol. 122, No. 293, pp. 7-10, SIS2022-24, 5-6 Dec. 2022. [URL]
16. 熊木 礼於奈, 筒井 弘, 大鐘 武雄, "深層学習を用いたPolar符号復号器検討のための論理関数への深層学習適用検討," 電気・情報関係学会北海道支部連合大会, pp. 175-176, Nov. 2022. [URL]
17. 國井 京太朗, 筒井 弘, 大鐘 武雄, "LoRa変調方式の通信性能が環境の時間変化から受ける影響調査," 電気・情報関係学会北海道支部連合大会, p. 179, Nov. 2022. [URL]
18. 加藤 真梧, 筒井 弘, 大鐘 武雄, "CNN-LSTMモデルを利用したフレーズ音声認識システムのシングルボードAIコンピュータを用いた実装に向けた初期検討," 電気・情報関係学会北海道支部連合大会, p. 217, Nov. 2022. [URL]
19. 陳 源佑, 筒井 弘, 大鐘 武雄, "Reservoir Computingに基づくMIMO-OFDM検出における遺伝的アルゴリズムを用いたハイパーパラメータ最適化," 電子情報通信学会 信学技報, Vol. 121, No. 329(RCS), pp. 96-100, IT2021-46, SIP2021-54, RCS2021-214, 20-21 Jan. 2022. [URL]
20. 八杉 拓哉, 筒井 弘, 大鐘 武雄, "LoRa変調における拡散率の変化に対する消費電力の評価," 電気・情報関係学会北海道支部連合大会, pp. 151-152, Nov. 2021. [URL]
21. 筒井 弘, Ying He, 大鐘 武雄, "ブロックチェーンと IoT 技術を用いたオーストラリアと日本の間における和牛トレーサビリティの促進," FOOMA JAPAN 2021 アカデミックプラザ研究発表要旨集, Vol. 28, pp. 88-91, Jun. 2021.
22. 大塚 祐大, 片岸 由奈子, 筒井 弘, "ゴロム符号を用いたラインベース適応処理による映像軽圧縮手法に関する一検討," 電気・情報関係学会北海道支部連合大会, pp. 89-90, Nov. 2020. [URL]
23. 髙杉 豪, 筒井 弘, 宮永 喜一, "Webカメラを用いた製造ライン状態報告ランプモニタリングシステムにおけるSVMによる色判定の評価," 電子情報通信学会ソサイエティ大会, p. 85, A-14-6, Sep. 2020.
24. Yunzhe Wang, Yu Tian, Yoshikazu Miyanaga, Hiroshi Tsutsui, "An experimental comparison of CNN- and CRNN-CTC for automatic phrase speech recognition systems using a children's speech database," IEICE Technical Report, Vol. 120, No. 51, pp. 49-54, SIS2020-9, 3-4 Jun. 2020. [URL]
25. 川幡 知孝, 筒井 弘, 宮永 喜一, "高スループットスケーラブルRadix-4 FFT回路の設計とその回路規模評価," 電子情報通信学会総合大会, p. 124, A-15-2, Mar. 2020.
26. 福﨑 卓人, 筒井 弘, 宮永 喜一, "駐車場におけるWebカメラを用いた駐車判定の実験的評価," 電子情報通信学会総合大会, p. 139, A-15-17, Mar. 2020.
27. 平山 茉利子, 筒井 弘, 宮永 喜一, "5G規格無線通信システムにおけるスクランブルのハードウェア実装," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2020.
28. 中越 達也, 早坂 昇, 筒井 弘, 宮永 喜一, "雑音にロバストな音声認識システムのためのランニングスペクトル分析を用いた自動音声区間検出," 電子情報通信学会総合大会, p. 142, A-15-2, Mar. 2019.
29. 山田 健太郎, 筒井 弘, 須藤 彰紘, 宮永 喜一, "製造ラインにおける状態報告ランプのWebカメラを用いた色判定システムの実験的評価," 電子情報通信学会総合大会, p. 150, A-15-10, Mar. 2019.
30. 福元 敦己, 今川 隆司, 筒井 弘, 宮永 喜一, 越智 裕之, "Raspberry Pi向けの低消費エネルギーな動画像符号化方式の検討," 電子情報通信学会 信学技報, Vol. 118, No. 473, pp. 5-9, SIS2018-38, 6-7 Mar. 2019. [URL]
31. 浮橋 慶太, 今川 隆司, 筒井 弘, 宮永 喜一, 越智 裕之, "2種類の情報をもつ動画像を用いたフレーム補間におけるグローバルモーション補償の精度向上に向けた検討," 電子情報通信学会 信学技報, Vol. 118, No. 473, pp. 53-58, SIS2018-47, 6-7 Mar. 2019. [URL]
32. 福﨑 卓人, 筒井 弘, 宮永 喜一, "防犯カメラ映像解析のマルチコアプロセッサを用いたフレーム単位並列化による高速化の評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2019.
33. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Accuracy Evaluation of Fingerprint Database Constructed by Mean-Shift Clustering for WiFi Indoor Positioning Systems," Proceedings of 2018 Winter International Symposium on Big-Data, Cybersecurity and IoT, Dec. 2018.
34. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "WiFi Indoor Positioning System Using Fingerprint Database Constructed by Mean-Shift Clustering with Estimated Reference Locations," Proceedings of the GSB Student Workshop, The 2nd GI-CoRE GSQ, GSB & IGM Joint Symposium, Aug. 2018.
35. 渡辺 大詩, 筒井 弘, 今川 隆司, 宮永 喜一, "並列度可変なMin-Sum LDPC復号器とそのメモリバンクアクセススケジューリング手法," 映像情報メディア学会 映情学技報, Vol. 42, No. 23, pp. 47-50, BCT2018-71, 26-27 Jul. 2018. [URL]
36. Xiaonan Jiang, Tatsuya Nakagoshi, Jiayue Tang, Riku Takanashi, Yu Tian, Hiroshi Tsutsui, Yoshikazu Miyanaga, "Rejection criterion for keyword recognition system," IEICE Technical Report, Vol. 118, No. 149, pp. 53-58, EA2018-10, 24-25 Jul. 2018. [URL]
37. 池下 貴大, 渡辺 大詩, 筒井 弘, 宮永 喜一, "MIMO-OFDM通信のためのハードウェア化に向けたMMSE法に基づく逐次干渉キャンセラを用いた低演算量最尤推定手法の検討," 映像情報メディア学会 映情学技報, Vol. 42, No. 11, pp. 25-28, BCT2018-44, 9-9 Mar. 2018. [URL]
38. 井原 大文, 今川 隆司, 上坂 浩貴, 鴻上 慎吾, 筒井 弘, 宮永 喜一, 越智 裕之, "2種類の情報をもつ動画像を用いたフレーム補間の前景除去と輪郭抽出による品質向上," 電子情報通信学会 信学技報, Vol. 117, No. 455, pp. 55-60, VLD2017-98, Feb. 2018. [URL]
39. 今川 隆司, 池下 貴大, 筒井 弘, 宮永 喜一, "MIMO-OFDM無線通信における信号分離のためのパイプライン型逆行列演算回路のアーキテクチャ検討," 電子情報通信学会 信学技報, Vol. 117, No. 274(DC), pp. 105-108, VLD2017-45, DC2017-51, 6-8 Nov. 2017. [URL]
40. 渡辺 大詩, 池下 貴大, 筒井 弘, 今川 隆司, 宮永 喜一, "並列化を用いたLDPC Min-Sum復号器の高スループットハードウェア設計," 電気・情報関係学会北海道支部連合大会, pp. 102-103, Oct. 2017. [URL]
41. Myat Hsu Aung, Hiroshi Tsutsui, Yoshikazu Miyanaga, "An Implementation of WiFi Based Indoor Positioning System Using Estimated Reference Locations," GI-CoRE GSQ, GSB & IGM Joint Symposium, Jul. 2017. [URL]
42. 杉山 健太, 今川 隆司, 筒井 弘, 宮永 喜一, "変分法を用いた透過マップ推定によるヘイズ除去における環境光推定の一検討," 第30回 回路とシステムワークショップ, pp. 57-60, May. 2017.
43. 池下 貴大, 今川 隆司, 筒井 弘, 宮永 喜一, "MIMO-OFDM復調のためのガウスジョルダン法を用いたFPUベースの逆行列演算のハードウェア実装," 電気・情報関係学会北海道支部連合大会, pp. 174-175, Nov. 2016. [URL]
44. 杉山 健太, 今川 隆司, 筒井 弘, 宮永 喜一, "変分法を用いた透過マップ推定によるヘイズ除去の一検討," 電子情報通信学会ソサイエティ大会, A-15-18, Sep. 2016.
45. George Mufungulwa, Hiroshi Tsutsui, Alia Asheralieva, Yoshikazu Miyanaga, "Robust Speech Recognition using MFCC with Triangular Mel Filtered Time Varying LPC," IEICE Society Conference, A-15-10, Sep. 2016.
46. Na Zhu, Yoshikazu Miyanaga, Hiroshi Tsutsui, Masumi Watanabe, "Two-steps Process Speech Recognition System for Similar Pronunciation Phrases under Noise Environment," IEICE Technical Report, Vol. 116, No. 81, pp. 61-64, SIS2016-12, 9-10 Jun. 2016. [URL]
47. George Mufungulwa, Alia Asheralieva, Hiroshi Tsutsui, Yoshikazu Miyanaga, "New Speech Features Based on time-varying LPC for Robust Automatic Speech Recognition," IEICE Technical Report, Vol. 116, No. 81, pp. 55-59, SIS2016-11, 9-10 Jun. 2016. [URL]
48. 今井 誠二郎, カサウカ ダブィソ, 今川 隆司, 筒井 弘, 奥畑 宏之, 宮永 喜一, "繰り返し縮小画像平滑化のマルチコアプロセッサによるフレーム単位並列化の評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2016.
49. 青木 皓, 今川 隆司, 筒井 弘, 宮永 喜一, "無線カメラシステムを用いた 3 次元再構成の通信量削減に向けた一評価," 電子情報通信学会北海道支部学生会インターネットシンポジウム予稿集, Feb. 2016.
50. 上坂 浩貴, 今川 隆司, 筒井 弘, 宮永 喜一, "高解像度動画像及び高フレームレート動画像を用いたフレーム補間手法の精度評価," 電子情報通信学会 信学技報, Vol. 115, No. 348, pp. 89-94, SIS2015-45, 3-4 Dec. 2015. [URL]
51. 今井 誠二郎, カサウカ ダブィソ, 今川 隆司, 筒井 弘, 奥畑 宏之, 宮永 喜一, "複数プロセスを用いた繰り返し縮小画像平滑化の処理時間削減," 電子情報通信学会 信学技報, Vol. 115, No. 348, pp. 57-60, SIS2015-39, 3-4 Dec. 2015. [URL]
52. 青木 皓, 今川 隆司, 筒井 弘, 宮永 喜一, "複数のカメラを用いた3次元再構成における適切な画像選択のための一評価," 電子情報通信学会 信学技報, Vol. 115, No. 348, pp. 53-56, SIS2015-38, 3-4 Dec. 2015. [URL]
53. 岩田 祐之, 梅原 雅人, 今川 隆司, 筒井 弘, 宮永 喜一, "MIMO-OFDMにおける遅延相関と中央相関に基づいた高精度シンボルタイミング検出法の評価," 電子情報通信学会 信学技報, Vol. 115, No. 348, pp. 73-76, SIS2015-42, 3-4 Dec. 2015. [URL]
54. 鴻上 慎吾, 今川 隆司, 筒井 弘, 宮永 喜一, "KLT法に基づくグローバルモーション推定と背景差分法による動領域検出における縮小画像を用いた計算量削減," 電子情報通信学会 信学技報, Vol. 115, No. 348, pp. 95-98, SIS2015-46, 3-4 Dec. 2015. [URL]
55. 岩田 祐之, 今川 隆司, 筒井 弘, 宮永 喜一, "MIMO-OFDMにおける高精度シンボルタイミング検出法の実測値を用いた評価," 電気・情報関係学会北海道支部連合大会, Nov. 2015. [URL]
56. Wenheng Zhang, Alia Asheralieva, Gengfa Fang, Hiroshi Tsutsui, Yoshikazu Miyanaga, "A Power Allocation Method in OFDMA System," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, Nov. 2015. [URL]
57. 上坂 浩貴, 今川 隆司, 筒井 弘, 宮永 喜一, "複数解像度・複数フレームレート動画像によるグローバルモーションを用いたフレーム補間手法の性能評価," 電子情報通信学会ソサイエティ大会, p. 145, A-20-5, Sep. 2015.
58. 青木 皓, 今川 隆司, 筒井 弘, 宮永 喜一, "複数のカメラを用いた3次元再構成の効率化に向けた一評価," 電子情報通信学会ソサイエティ大会, p. 147, A-20-7, Sep. 2015.
59. 今井 誠二郎, カサウカ ダブィソ, 今川 隆司, 筒井 弘, 奥畑 宏之, 宮永 喜一, "繰り返し縮小画像平滑化を用いた画像補正の計算量削減," 電子情報通信学会ソサイエティ大会, p. 144, A-20-4, Sep. 2015.
60. 鴻上 慎吾, 今川 隆司, 筒井 弘, 宮永 喜一, "グローバルモーション推定と背景差分法による動領域検出における縮小画像を用いた計算量削減," 電子情報通信学会ソサイエティ大会, p. 143, A-20-3, Sep. 2015.
61. 森山 慎也, 森永 孝介, 今川 隆司, 筒井 弘, 宮永 喜一, 三浦 真樹, 後藤 透, 山野 純嗣, "MIMO-OFDMシステムにおけるキャリア周波数オフセット及びサンプリング周波数オフセット補償の実測データを用いた評価," 電子情報通信学会 信学技報, Vol. 115, No. 208, pp. 31-36, SIS2015-20, 3-4 Sep. 2015. [URL]
62. 梅原 雅人, 筒井 弘, 宮永 喜一, "MIMO-OFDM無線通信におけるRLSアルゴリズムを用いた耐ドップラーチャネル推定法," 電子情報通信学会 信学技報, Vol. 114, No. 126(SIS), pp. 135-140, CAS2014-26, VLD2014-35, SIP2014-47, MSS2014-26, SIS2014-26, 9-11 Jul. 2014. [URL]
63. 引山 裕貴, 岩泉 洋紀, 吉澤 真吾, 畑川 養幸, 小西 聡, 筒井 弘, 宮永 喜一, "屋外伝送実験によるIDMA方式の特性評価," 電子情報通信学会総合大会, p. 440, B-5-45, Mar. 2014.
64. 畑川 養幸, 小西 聡, 吉澤 真吾, 岩泉 洋紀, 引山 裕貴, 筒井 弘, 宮永 喜一, "IDMA屋外伝送実験の概要," 電子情報通信学会総合大会, p. 439, B-5-44, Mar. 2014.
65. 吉澤 真吾, 畑川 養幸, 小西 聡, 引山 裕貴, 岩泉 洋紀, 筒井 弘, 宮永 喜一, "IDMA屋外伝送実験における受信ダイバーシチ効果," 電子情報通信学会総合大会, p. 441, B-5-46, Mar. 2014.
66. 岩泉 洋紀, 杉谷 将宏, 斉 培恒, 筒井 弘, 宮永 喜一, "ASIPを用いた高精度8×8 MIMO-OFDMシステムの設計," 電子情報通信学会 信学技報, Vol. 113, No. 343, pp. 35-40, SIS2013-33, 12-13 Dec. 2013. [URL]
67. 杉谷 将宏, 岩泉 洋紀, 斉 培恒, 筒井 弘, 宮永 喜一, "9ステップ型MIMO検出器を用いた8×8MIMO-OFDMシステムの開発," 電子情報通信学会 信学技報, Vol. 113, No. 343, pp. 41-46, SIS2013-34, 12-13 Dec. 2013. [URL]
68. 藤田 隆史, 川島 潤也, 廣本 正之, 筒井 弘, 越智 裕之, 佐藤 高史, "低電源電圧におけるフリップフロップの故障モードの解析," 電子情報通信学会 信学技報, Vol. 113, No. 112, pp. 129-134, ICD2013-45, 4-5 Jul. 2013. [URL]
69. 筒井 弘, "［チュートリアル講演］画像処理ハードウェアIPの設計事例 〜 適応的階調補正IPの開発 〜," 電子情報通信学会 信学技報, Vol. 113, No. 78, pp. 47-52, SIS2013-10, 13-14 Jun. 2013. [URL]
70. 藤田 隆史, 筒井 弘, 越智 裕之, 佐藤 高史, "回路構造の異なるラッチの消費エネルギーの比較," 電子情報通信学会総合大会 エレクトロニクス講演論文集2, Vol. 2013, p. 78, Mar. 2013. [ISSN:1349-1369]
71. 岡崎 剛, 筒井 弘, 越智 裕之, 佐藤 高史, "ランダムウォーク線形回路解析のスレッド並列化における電圧源化排他制御の検討," 電子情報通信学会総合大会 基礎・境界講演論文集, Vol. 2013, p. 61, Mar. 2013. [ISSN:1349-1369]
72. Shiyi Zhang, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Evaluation of Dependent Node Selection of Histogram Propagation Based Statistical Timing Analysis," Proceedings of the 2013 IEICE general conference, Fundamentals on Electronics, Communications and Computer Sciences, p. 62, Mar. 2013.
73. Zhi Li, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "Accurate I/O Buffer Impedance Self-Adjustment using Vth and Temperature Sensors," IEICE Technical Report, Vol. 112, No. 320, pp. 117-122, Nov. 2012.
74. 前野 達生, 筒井 弘, 尾上 孝雄, "動き検出履歴とコスト最適化に基づくデインタレース手法に関する検討," 電子情報通信学会技術研究報告, Vol. 112, No. 78, pp. 77-82, Jun. 2012. [ISSN:0913-5685]
75. 粟野 皓光, 清水 裕史, 筒井 弘, 越智 裕之, 佐藤 高史, "ランダムテレグラフノイズモデル化のためのパラメータ推定法の検討," 電子情報通信学会技術研究報告, Vol. 111, No. 324, pp. 85-90, Nov. 2011. [ISSN:0913-5685]
76. 森下 拓海, 筒井 弘, 越智 裕之, 佐藤 高史, "ブロック反復法による電源回路網解析の高速化," 電子情報通信学会技術研究報告, Vol. 111, No. 324, pp. 67-71, Nov. 2011. [ISSN:0913-5685]
77. 宮川 哲朗, 筒井 弘, 越智 裕之, 佐藤 高史, "ゼロ分散推定重点的サンプリングを用いたランダムウォークによる線形回路の過渡解析," 電子情報通信学会技術研究報告, Vol. 111, No. 324, pp. 73-78, Nov. 2011. [ISSN:0913-5685]
78. 森下 拓海, 筒井 弘, 越智 裕之, 佐藤 高史, "ヤコビ法を用いた電源回路網解析の GPU 実装," 電子情報通信学会ソサイエティ大会, Vol. 2011, p. 84, Sep. 2011. [ISSN:1349-1369]
79. 清水 裕史, 筒井 弘, 越智 裕之, 佐藤 高史, "EM法によるMOSデバイス界面状態数の自動推定," 電子情報通信学会ソサイエティ大会, Vol. 2011, p. 93, Sep. 2011. [ISSN:1349-1369]
80. Zhi Li, Hiroshi Tsutsui, Hiroyuki Ochi, Takashi Sato, "A sensor-based self-adjustment approach for controlling I/O buffer impedance," Proc. of IEICE Society Conference, p. 120, Sep. 2011.
81. 前野 達生, 筒井 弘, 尾上 孝雄, "インペインティングに基づくデインタレースの画質特性評価," 電子情報通信学会技術研究報告, Vol. 111, No. 78, pp. 99-104, Jun. 2011. [ISSN:0913-5685]
82. 吉川 哲史, 筒井 弘, 奥畑 宏之, 尾上 孝雄, "Retinex階調補正におけるハロー効果の抑制に関する検討," 電子情報通信学会技術研究報告, Vol. 111, No. 78, pp. 93-98, Jun. 2011. [ISSN:0913-5685]
83. 吉川 哲史, 筒井 弘, 尾上 孝雄, "家庭用ビデオカメラにおける動画像のノイズ評価," 電子情報通信学会技術研究報告, Vol. 110, No. 74, pp. 93-98, Jun. 2010. [ISSN:0913-5685]
84. 前野 達生, 筒井 弘, 尾上 孝雄, "インペインティングに基づく実時間デインタレース処理のハードウェアアーキテクチャ," 電子情報通信学会技術研究報告, Vol. 110, No. 74, pp. 87-92, Jun. 2010. [ISSN:0913-5685]
85. 中村 秀幸, 筒井 弘, 橋本 亮司, 尾上 孝雄, "特徴点追跡を用いた動き補償フレーム補間手法," 電子情報通信学会ソサイエティ大会, Vol. 2009, p. 204, Sep. 2009. [ISSN:1349-1369]
86. 橋本 亮司, 筒井 弘, 尾上 孝雄, 猪飼 知宏, "DCT領域 Distributed Video Coding における尤度推定手法," 電子情報通信学会技術研究報告, Vol. 108, No. 425, pp. 31-36, Feb. 2009.
87. 服部 幸市, 筒井 弘, 越智 裕之, 中村 行宏, "バス帯域を考慮したHD PhotoにおけるPhoto Core Transformのアーキテクチャ," 電子情報通信学会技術研究報告, Vol. 108, No. 85, pp. 39-44, Jun. 2008. [ISSN:0913-5685]
88. 筒井 弘, "古いフィルム映像を模擬した劣化動画像の符号化手法," 電子情報通信学会ソサイエティ大会, Vol. 2007, pp. SS.8-SS.9, Sep. 2007. [ISSN:1349-1369]
89. 筒井 弘, 藤田 憲正, 尾上 孝雄, 中村 行宏, "JPEG2000 マルチシンボル算術復号器," 電子情報通信学会技術研究報告, Vol. 107, No. 93, pp. 13-18, Jun. 2007. [ISSN:0913-5685]
90. 宮本 龍介, 菅野 裕揮, 齋藤 裕昭, 筒井 弘, 越智 裕之, 畑中 健一, 中村 行宏, "ブースティングを用いた遠赤外画像における歩行者検出," 電子情報通信学会ソサイエティ大会, Vol. 2006, p. 178, Sep. 2006. [ISSN:1349-1369]
91. 宮本 龍介, 芦田 純平, 筒井 弘, 中村 行宏, "距離変換画像による尤度推定を利用したスケルトンモデルに基づく歩行者トラッキング手法," 電子情報通信学会技術研究報告, Vol. 106, No. 96, pp. 25-30, Jun. 2006. [ISSN:0913-5685]
92. 日向 文彦, 増崎 隆彦, 筒井 弘, 尾上 孝雄, 中村 行宏, "ハーフトーン処理を用いた高階調JPEG符号化とその最適化に関する検討," 電子情報通信学会技術研究報告, Vol. 106, No. 96, pp. 31-36, Jun. 2006. [ISSN:0913-5685]
93. 廣本 正之, 神山 真一, 中原 健太郎, 筒井 弘, 越智 裕之, 中村 行宏, "セルアレイ型自己再構成アーキテクチャ評価検討のためのコンパイラ," 電子情報通信学会技術研究報告, Vol. 106, No. 49, pp. 7-12, May. 2006.
94. 宮本 龍介, 筒井 弘, 杉田 弘晃, 増崎 隆彦, 越智 裕之, 尾上 孝雄, 中村 行宏, "シーンチェンジを利用した Motion JPEG2000 高画質レート制御手法," 電子情報通信学会ソサイエティ大会, Vol. 2005, p. 164, Sep. 2005. [ISSN:1349-1369]
95. 筒井 弘, 菅野 裕揮, 増崎 隆彦, 越智 裕之, 尾上 孝雄, 中村 行宏, "JPEG2000 エントロピ符号器における SRAM の構成方法," 電子情報通信学会ソサイエティ大会, Vol. 2005, p. 22, Sep. 2005. [ISSN:1349-1369]
96. 筒井 弘, 増崎 隆彦, 尾上 孝雄, 中村 行宏, "JPEG2000 符復号器のためのスケーラブルデザインフレームワーク," VDEC LSI デザイナーフォーラム, Aug. 2005.
97. 筒井 弘, 林 宙輝, 宮本 龍介, 増崎 隆彦, 泉 知論, 尾上 孝雄, 中村 行宏, "視覚特性を用いた Motion JPEG2000 レート制御手法," 第6回 YRP移動体通信産学官交流シンポジウム, pp. 152-153, Jul. 2004.
98. Yukihiro Nakamura, Hiroshi Tsutsui, "High-Level Synthesis Design System for VLSI Processors in the 21st Century," ASEAN Microelectronics 2003, AUN/SEED-Net Field-wise Seminar, Aug. 2003.
99. 中村 行宏, 泉 知論, 筒井 弘, "高度通信情報システムのためのアーキテクチャと設計技術," 第5回 YRP移動体通信産学官交流シンポジウム, Jul. 2003.
100. 筒井 弘, 増崎 隆彦, 泉 知論, 尾上 孝雄, 中村 行宏, "コンフィギュラブルプロセッサを用いた JPEG2000 符号器の設計," 電子情報通信学会ソサイエティ大会, Vol. 2002, p. 89, Sep. 2002. [ISSN:1349-1369]
101. 増崎 隆彦, 筒井 弘, 泉 知論, 尾上 孝雄, 中村 行宏, "組込み向け JPEG2000 適応型レート制御方式," 電子情報通信学会総合大会, Vol. 2002, p. 121, Mar. 2002. [ISSN:1349-1369]
102. 筒井 弘, 増崎 隆彦, 泉 知論, 尾上 孝雄, 中村 行宏, "JPEG2000スケーラブル符号化器の構成法," 電子情報通信学会ソサイエティ大会, Vol. 2001, p. 115, Sep. 2001. [ISSN:1349-1369]
103. 増崎 隆彦, 筒井 弘, 親松 昌幸, 泉 知論, 尾上 孝雄, 中村 行宏, "スケーラブル符号化のための JPEG2000 符号器アーキテクチャ," 電子情報通信学会技術研究報告, Vol. 101, No. 141(CAS2001 1-28), pp. 63-70, Jun. 2001. [ISSN:0913-5685]
104. 筒井 弘, 増崎 隆彦, "16bit Free CPU の設計," 第18回パルテノン研究会, May. 2001.
105. 冨田 明彦, 杉本 成範, 筒井 弘, 境 和久, 檜田 和浩, 泉 知論, 尾上 孝雄, 中村 行宏, "LUTアレイ型PLDの設計と試作," 電子情報通信学会技術研究報告, pp. 173-178, Nov. 2000.
106. 冨田 明彦, 杉本 成範, 筒井 弘, 境 和久, 泉 知論, 中村 行宏, "LUTアレイ型PLDの設計と試作," システムLSI琵琶湖ワークショップ, pp. 243-246, Nov. 2000.
107. 冨田 明彦, 檜田 和浩, 境 和久, 杉本 成範, 筒井 弘, 中村 行宏, "LUTアレイ型PLDの設計と試作," 電子情報通信学会ソサイエティ大会, p. 85, Sep. 2000.
108. 杉本 成範, 冨田 明彦, 筒井 弘, 境 和久, 檜田 和浩, 中村 行宏, "LUTアレイ型PLDの設計と試作," VDEC LSI デザイナーフォーラム, Sep. 2000.
109. 杉本 成範, 冨田 明彦, 筒井 弘, 境 和久, 檜田 和浩, 中村 行宏, "PCAデバイスの設計と試作," 第16回パルテノン研究会, pp. 31-42, May. 2000.
110. 宮本 龍介, 筒井 弘, 中西 龍太, "16bit Free CPU の設計," 第16回パルテノン研究会, May. 2000.