IEICE Young Researcher’s Award (D1 Chenyu Zhao)

Mr. Chenyu Zhao, a first-year doctoral student (D1), received the IEICE Young Researcher’s Award for the following presentation at the IEICE Society Conference 2025

  • 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. [URL]

2026 Farewell party

On Tuesday, March 24th, we held a farewell party for M2 and B4 students graduating this academic year (Iura, Ishisaki, Shimizu, Yamamura, Matsumura).
We wish everyone continued success in their future endeavors!

8-University Joint Event, “Information Science for all by all”

On Sunday, March 15th, Mr. Hori and Ms. Sakaki participated in a poster session at the 8-University Joint Event, “Information Science for all by all”.
Under the title “Why I Decided on Hokkaido University – Information Science!”, they shared the appeal of the field, their academic journeys, and real insights into student life with middle and high school students and their parents through their poster presentation.

IEICE Hokkaido Section Student Activity Committee Internet Symposium 2026 (FY 2025) and Student Branch Advisors Award

Mr. Iura and Mr. Kawashima presented their works at IEICE Hokkaido Section Student Activity Committee Internet Symposium 2026 (FY 2025), which was held online from Feb. 20 to 27. Mr. Iura received the Hokkaido Section Student Branch Advisors Award

  • Takayuki Iura, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of Spatial Noise Reduction Performance in Active Noise Control Using Multiple Secondary Loudspeakers for Snowplow Noise Reduction,” Proceedings of IEICE Hokkaido Section Student Activity Committee Internet Symposium, Feb. 2026 (in Japanese). [URL]
  • Taiyoh Kawashima, Yuito Ishisaki, Hiroshi Tsutsui, Takeo Ohgane, “An Evaluation of the Impact of Sleep Functions on Energy Consumption Based on Experimental Measurements in a LoRa-Based Environmental Sensing System,” Proceedings of IEICE Hokkaido Section Student Activity Committee Internet Symposium, Feb. 2026 (in Japanese). [URL]

Lab Tour for First-Year Undergraduate Students (Feb 2026)

On Tuesday, February 17, we conducted a laboratory tour for first-year undergraduate students.
We would like to thank all those who participated.

Lab Tour for First-Year Undergraduate Students

In conjunction with the School and Department Introduction (February 2026) scheduled as follows, the Media and Network Technologies Course will offer opportunities to visit the laboratories.

  • On-demand: February 5 (Thu) – February 26 (Thu)
  • Live session: February 5 (Thu)

For details of the Media and Network Technologies Course lab tour, please refer to: https://www.ist.hokudai.ac.jp/div/media/lab-tour/

Our laboratory will hold a lab tour as follows. We encourage you to participate.

Hokkokai (北工会) Tug-of-War Tournament 2026

On January 19, Mr. Zhao, Mr. Hori, and Ms. Sakaki participated in the Hokkokai (北工会) Tug-of-War Tournament as members of the Course of Media and Network Technologies. Unfortunately, our team was defeated by the Course of Electrical and Electronic Engineering in the first round.

Welcome Party for New Members 2025

On Tuesday, November 11, we held a welcome party for four third-year students who recently joined our laboratory: Nakamura, Ueki, Naijou, and Suzuki.

2025 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2025)

At the 2025 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2025), held in Bandung from November 4 to 7, Mr. Yamamura and Ms. Morikawa presented the following papers.

  • Naoya Yamamura, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of Bit-Width Effects in Fixed-Point FPGA-Optimized MFCC Computation via Software Simulation for HMM-Based Phrase Speech Recognition,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Nov. 2025.
  • Yuzuki Morikawa, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Accuracy Evaluation of a Streaming-Based Resource-Efficient Mel Filter Bank Architecture with Fixed-Point Based Design Approaches,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Nov. 2025.

2025 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers

Mr. Shimizu, Mr. Iura, Mr. Yamamura, Mr. Hori, and Mr. Kawashima presented their works at 2025 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, which was held at Muroran Institute of Technology on Nov 2nd-3rd.

  • Kodai Shimizu, Hiroshi Tsutsui, Takeo Ohgane, "An Evaluation of Parking Status Change Detection Using GMM-Based Analysis of Background-Subtraction Difference Distributionsfor Parking Lot Monitoring Systems in Snowy Conditions," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, pp. 25-26, Nov. 2025 (in Japanese). [URL]
  • Taiyoh Kawashima, Yuito Ishisaki, Hiroshi Tsutsui, Takeo Ohgane, "Experimental Evaluation of Energy Consumption for a LoRa-based Environmental Sensing System,"Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 217, Nov. 2025 (in Japanese). [URL]
  • Takayuki Iura, Hiroshi Tsutsui, Takeo Ohgane, "Evaluation of the Effect of Loudspeaker Placement on Active Noise Control Performance for Indoor Reduction of Outdoor Noise," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 112, Nov. 2025 (in Japanese). [URL]
  • Taishin Hori, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, "An Evaluation of Parameters for Log-Mel Spectrum Calculation in Anomalous Sound Detection Using Spiking Neural Networks," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 113, Nov. 2025 (in Japanese). [URL]
  • Naoya Yamamura, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, "Evaluation of Bit-Width Effects in Fixed-Point FPGA-Optimized MFCC Computation via Software Simulation for HMM-Based Phrase Speech Recognition Using Delta Features," Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, p. 114, Nov. 2025 (in Japanese). [URL]

A student networking event was held during this convention. Students made presentations about their university, research activity, and student activity. From our laboratory, Ms. Morikawa, the treasurer of IEEE Hokkaido University Student Branch gave a presentation on the activities of the IEEE Student Branch and the benefits of establishing a branch.