“Campus Clean Day” 2025

We participated in the Campus Clean-up Day held at Hokkaido University on Wednesday, May 13.

2025 Farewell party

On Monday, March 24th, we held a farewell party for M2 students graduating this academic year (Tanaka, Saito, Hirai).
We wish everyone continued success in their future endeavors!

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 2024 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 Lab Year-End Party

We held a year-end party after the midterm presentation of graduation and master’s theses on December 17!

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.

Welcome Party for New Members 2024

On Tuesday, November 19, we held a welcome party for three third-year students who recently joined our laboratory: Ando, Kawashima, and Matsumura.

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.

Lab orientation/tour for 3rd-year undergraduate students, 2024

We will conduct a laboratory orientation for third-year undergraduate students as per the following schedule:

  • Location: 11-12, IST Building 11th floor
  • Date and Time: Oct 18 (Fri) at 13:00-, 14:00-
    (Please try to join us at an earlier time if possible. We may not conduct the session after 14:00 if there are no participants.)

Visits (tours) to the lab are also possible. The available time slots are as follows:

  • Location: ICN Lab., IST Building 11th floor
  • Date and Time: Students will definitely be available during the following hours.
    (For Wednesdays and Thursdays, please refrain from visiting before the end of the experiment; School of Engineering Timetable)

    • Oct 16 (Wed) after the end of the experiment, until 18:00
    • Oct 17 (Thu) after the end of the experiment, until 18:00
    • Oct 21 (Mon) 16:30-18:00

If the above times are not suitable, please contact (or visit) us directly.

Introduction of Media Network Course for Freshmen (Sep. 2024)

On Monday, September 30th, an introductory session for freshmen was held. Students from our research laboratory also participated as representatives of the Media Network Course. We provided an overview of the course, explained the research laboratory through panel presentations, and demonstrated equipment to the freshmen.
Here shows contents of demonstration exhibit.

  • Real-time display of Flightradar24 using Raspberry Pi and software wireless device (aircraft position tracking)
  • Voice pitch shift using FPGA board
  • Chapit, a voice recognition robot from Raytron