Mr. Yuito Ishisaki made a poster presentation entitled “A Measurement of Packet Delivery Rate and Signal Strength in LoRa Communication in Urban and Suburban Areas of Sapporo” at Hokuyukai Alma Mater Networking Event (in Japanese).
Category Archives: Conference/Workshop
IEEE R10 Humanitarian Technology Conference (HTC) 2025
At the IEEE R10 HTC 2025, held at Chiba University of Commerce from September 29 to October 1, Mr. Ishisaki delivered the following presentations.
- Yuito Ishisaki, Kyotaro Kunii, Hiroshi Tsutsui, Takeo Ohgane, “A Measurement of Packet Delivery Rate and Signal Strength in LoRa Communication in Urban and Suburban Areas of Sapporo,” Proceedings of IEEE R10 Humanitarian Technology Conference (IEEE R10 HTC), Sep. 2025.
The Institute of Electronics, Information and Communication Engineers Society Conference 2025
On Spetember 8, D1 student Chenyu Zhao presented the following paper at the 2025 Society Conference held at Okayama University Tsushima campus.
- Chenyu Zhao, Yuzuki Morikawa, Hiroshi Tsutsui, Takeo Ohgane, “Design of a Streaming-Based Resource-Efficient Mel Filter Bank Architecture for Real-Time Mel Spectrum Extraction on FPGA,” IEICE Society Conference, p. 118, A-14-15, Sep. 2025.
2025 International Symposium on Multimedia and Communications (ISMAC 2025)
At the 2025 International Symposium on Multimedia and Communications (ISMAC 2025), held on Panglao Island from August 20 to 22, Mr. Zhao and Ms. Sakaki delivered the following two presentations.
- Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Design and Implementation of a Real-Time Acoustic Feature Visualization System on Raspberry Pi Platform Utilizing Fixed-Point FPGA-Based Mel Spectrum Extraction,” Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2025.
- Haruka Sakaki, Kenshiro Tanaka, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Comparative Evaluation of CNN, VGG16, Conformer, and YAMNet Models for Skateboard Riding Sound Detection,” Proceedings of International Symposium on Multimedia and Communication Technology (ISMAC), Aug. 2025.
IEICE Hokkaido Section Student Council Internet Symposium 2025 Best Presentation Award
Ms. Sakaki won one of the best presentation awards at IEICE Hokkaido SAC Internet Symposium 2025 for the following presentation.
- Haruka Sakaki, Kenshiro Tanaka, Hiroshi Tsutsui, Takeo Ohgane, “Noise Robustness Improvement by Applying Multi-Condition Training to a VGG16-Based Skateboard Riding Sound Detection System,” Proceedings of IEICE Hokkaido Section Section Student Activity Committee Internet Symposium, Feb. 2025 (in Japanese).
The 50th PARTHENON Technical Society Conference @ Meiji University Ikuta Campus
On December 25, B4 student Yuzuki Morikawa presented the following paper at the 50th Parthenon Technical Society Conference held at Meiji University Ikuta Campus. We also participated in the Parthenon Workshop held on December 26.
- Yuzuki Morikawa, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Towards a Low-Cost Hardware Implementation of a Mel Filter Bank for Audio Signal Processing,” Proceedings of the 50th PARTHENON Technical Society Conference, pp. 32-33, Dec. 2024 (in Japanese).
2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2024)
At the 2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2024), held in Kaohsiung from December 10 to 13, Mr. Zhao presented the following paper.
- Chenyu Zhao, Naoya Yamamura, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of Computational Cost and Result Accuracy in Design and Efficient Implementation of Log-Mel Spectrogram and MFCC Feature Extraction Using Fixed-Point Arithmetic on FPGA,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Dec. 2024.
2024 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers
Mr. Tanaka, and Mr. Saito presented their works at 2024 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, which was held at Hokkaido University on Nov 2nd-3rd.
- Yuki Saito, Yuito Ishisaki, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of Energy Consumption in LoRa Modulation with Varying Payload Lengths,” Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 65, Nov. 2024 (in Japanese).
- Kenshiro Tanaka, Hiroshi Tsutsui, Takeo Ohgane, “A Feasibility Study on Transfer Learning Using VGG16 for Skateboarder Detection System Based on Skateboard Rolling Sound Detection,” Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 29, Nov. 2024 (in Japanese).
A student networking event was held during this convention. Students made presentations about their university, research activity, and student activity. From our laboratory, Mr. Saito, the Chair of IEEE Hokkaido University Student Branch, served as the MC, and Mr. Ishizaki, the Treasurer, gave a presentation on the activities of the IEEE Student Branch and the benefits of establishing a branch.
Participation of Fourth-Year Students in the 27th PARTHENON Workshop
Morikawa, Sakaki, and Hori, fourth-year undergraduate students, participated in the 27th PARTHENON Workshop, organized by the PARTHENON Society, Non-Profit Organization, held at
the Tokyo Campus, the Institute for Small Business Management and Technology (Organization for Small & Medium Enterprises and Regional Innovation) from Thursday, August 29 to Saturday, August 31 (Tsutsui also participated). They implemented their own designed systems on the DE10-Lite platform using the hardware description language NSL and the CPU they designed with it.
Research Presentations by Mr. Chen and Mr. Ishisaki at the BCT Workshop
Mr. Chen and Mr. Ishisaki presented their research achievements at the BCT Workshop, which was held at Muroran Institute of Technology on July 26.
- Yuito Ishisaki, Kyotaro Kunii, Hiroshi Tsutsui, Takeo Ohgane, “An Evaluation of Communication Quality and Line-of-Sight Impact on LoRa Wireless Communication Using Radio Measurement Vehicle in Sapporo Suburbs,” ITE Technical Report, Vol. 48, No. 23, pp. 8-11, BCT2024-53, 26-26 Jul. 2024 (in Japanese). [URL]
- Yuanyou Chen, Hiroshi Tsutsui, Takeo Ohgane, “Performance Evaluation of Reservoir Computing Based MIMO-OFDM Detection with Precoders,” ITE Technical Report, Vol. 48, No. 23, pp. 12-15, BCT2024-54, 26-26 Jul. 2024 (in Japanese). [URL]
This workshop was held with the support of Muroran Institute of Technology and the Center for Computer Science (CCS), Muroran Institute of Technology. Before the lunch break, there was a presentation titled “Introduction of Muroran Institute of Technology” by Professor Kaoru Ohta, CCS Director.
