Monthly Archives: November 2026

2026 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers

Mr. Saeki and Mr. Kawashima presented their works at 2026 Joint Convention, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, which was held at Hokkaido University of Science on Oct 31st – Nov 1st.

  • Yuya Saeki, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “An Evaluation of False-Positive Reduction Using Signal Power in Zero-Crossing-Rate-Based Ambulance Siren Detection with Difference Preprocessing,” Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, pp. 102, Oct. 2026 (in Japanese). [URL]
  • Taiyoh Kawashima, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Implementation of LUT-Based Fixed-Point Logarithmic Approximation and Evaluation of Its Resource Usage,” Joint Conference of Electrical, Electronics and Information Engineers in Hokkaido, pp. 112, Nov. 2026 (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, Mr. Kawashima, 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.

2026 Engineering Sciences Society Symposium (ESSS 2026)

At the 2026 Engineering Sciences Society Symposium (ESSS 2026), held in Okinawa from October 30 to November 1, Mr. Chimkono, Mr. Lin, Mr. Hori and Mr. Ando presented the following papers.

  • Aaron William Chimkono, Hiroshi Tsutsui, Takeo Ohgane, “Cross-Weather LOWO Evaluation of an Edge-Density Parking Occupancy Detector: Per-Slot Failure Analysis,” Proceedings of Engineering Sciences Society Symposium (ESSS), Oct. 2026.
  • Juzheng Lin, Hiroshi Tsutsui, Takeo Ohgane, “A Two-Stage Framework with a TFC-TDF-UNet-Based Second Stage for Six-Stem Music Source Separation,” Proceedings of Engineering Sciences Society Symposium (ESSS), Oct. 2026.
  • Shota Ando, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “Design of a Single-Port SRAM-Based Configurable-Length FFT IP Core with Four-Cycle Butterfly Operations Using a Single Multiplier,” Proceedings of Engineering Sciences Society Symposium (ESSS), Oct. 2026.
  • Taishin Hori, Chenyu Zhao, Hiroshi Tsutsui, Takeo Ohgane, “An Accuracy Evaluation of Unsupervised Anomalous Sound Detection for Machine Condition Monitoring Using a Spiking Neural Network with Fixed-Point Log-Mel Features,” Proceedings of Engineering Sciences Society Symposium (ESSS), Oct. 2026.

2026 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2026)

At 2026 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2026), held in Busan from October 27 to 30, Mr. Chimkono, Mr. Lin and Mr. Zhao presented the following papers.

  • Aaron William Chimkono, Hiroshi Tsutsui, Takeo Ohgane, “Training-Free Snow-Resilient Parking Occupancy Detection Using ROI-First PiDiNet-Based Edge-Density Thresholding,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Oct. 2026.
  • Juzheng Lin, Hiroshi Tsutsui, Priyadarsi Nanda, Takeo Ohgane, “A Six-Stem Music Source Separation Architecture Based on TFC-TDF-UNet with Additional Models for Guitar and Piano,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Oct. 2026.
  • Chenyu Zhao, Taishin Hori, Hiroshi Tsutsui, Takeo Ohgane, “Evaluation of LUT Size Effects in Fixed-Point Approximation of Logarithmic Computation for Hardware-Oriented Log-Mel-Based Feature Extraction,” Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), Oct. 2026.