IEICE Technical Report

Online edition: ISSN 2432-6380

Sensor Network and Mobile Intelligence

Workshop Date : 2026-01-22 - 2026-01-23 / Issue Date : 2026-01-15

SeMI2025-46
Clustering Analysis of Audience Behavior Based on Viewing Time Patterns Using Non-Identifiable TV Viewing History Data
Kotaro Hayashi, Yuto Matsuda (Okayama Univ.), Hiroki Matsuda, Takumi Ikejiri, Tetsuya Yokota (ytv), Yuki Matsuda (Okayama Univ.)
pp. 1 - 6

SeMI2025-47
A Travel Photo Album Analysis Method for Estimating Preferences and Personality Traits Toward Personalized Tourism Recommendation
Minaho Yamasaki (Okayama Univ.), Yuki Matsuda (Okayama Univ./RIKEN AIP)
pp. 7 - 12

SeMI2025-48
Development of an IoT node for detecting lap times using OpenThread wireless communication and evaluation of a signage to notify long-distance runners of the number of laps
Enomoto Atsushi (Tokyo Denki University), Noguchi Daiki (NOGU-LAB), Iwai Masayuki (Tokyo Denki University)
pp. 13 - 18

SeMI2025-49
A Study on Data Embedding and Demodulation Methods in Display-Camera Visible Light Communication Using Adversarial Examples
Sotaro Akai (Nagoya Univ), Hiraku Okada (Meijo Univ), Tadahiro Wada (Shizuoka Univ), Shan Lu, Takaya Yamazato (Nagoya Univ)
pp. 19 - 24

SeMI2025-50
An Investigation into How Different Visual Information Display Methods Affect Passenger Trust and Comfort in Autonomous Vehicles
Taiga Tsuzuki (Okayama Univ.), Yuki Matsuda (Okayama Univ./RIKEN AIP)
pp. 25 - 30

SeMI2025-51
Structural and PCB Design and Evaluation of a Compact IoT Multi-Sensing Device with High-Rate GNSS Positioning and 6DoF IMU Logging and LTE Cat-M1 Transmission
Wu Qianyue, Watanabe Mahiro, Takada Kazuyuki, Iwa Masayuki (Tokyo Denki)
pp. 31 - 36

SeMI2025-52
Reduction of Latency via Decentralized Coordinate-based Peer Selection in IoT Blockchain
Koki Koshikawa, Yue Su, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)
pp. 37 - 42

SeMI2025-53
Performance Evaluation of a Positioning Method Based on Unsupervised Calibration of Wi-Fi FTM Ranging Errors Against Environmental Changes
Takamichi Suruga, Masakatsu Ogawa (Sophia Univ.)
pp. 43 - 48

SeMI2025-54
Evaluating the Impact of Object Material, Target Position and Receiver Deployment on AoA Estimation Using Wi-Fi CSI
Kio Joko, Masakatsu Ogawa (Sophia Univ), Kazuya Ohara (NTT)
pp. 49 - 54

SeMI2025-55
Exploring Methods to Improve Performance in Tactile Paving Detection Based on Cyclist-Participatory Road Image Sensing
Yuto Matsuda (Okayama Univ.), Yuki Matsuda (Okayama Univ./RIKEN AIP)
pp. 55 - 60

SeMI2025-56
A Method for Detecting Rule Violations in Race Walking Using Wearable Shoe-Mounted Sensors
Mai Hyogu, Yuki Matsuda (Okayama Univ.)
pp. 61 - 66

SeMI2025-57
A Study on Features for Vehicle Count Estimation Using Commercial 5G Base Stations on a Public Road
Masakatsu Ogawa, Yusei Hagikura, Kaisei Higeta (Sophia Univ.), Tomoki Murakami, Kazuya Ohara, Shinya Otsuki, Tomoaki Ogawa (NTT)
pp. 67 - 72

SeMI2025-58
A Preliminary Study on Bicycle Tracking Using Chirp in ISAC
Kosuke Yamakubo, Heetae Jin, Akira Uchiyama (UOsaka)
pp. 73 - 78

SeMI2025-59
Abacus Operation Sensing using Front-facing Camera of A Mobile Device
Taito Yoshimura, Yuki Matsuda (Okayama Univ.)
pp. 79 - 84

SeMI2025-60
Interoceptive Measurement Using Mobile Devices and Ecological Validity in Real-World
Yuto Shimmyo, Wataru Sasaki, Hirohiko Suwa, Keiichi Yasumoto (NAIST)
pp. 85 - 90

SeMI2025-61
Imputation Methods for Missing Modalities in Multimodal Split Learning
Yui Yamashita (Aoyama Gakuin Univ.), Akihito Taya (Univ. Tokyo), Yoshito Tobe (Aoyama Gakuin Univ.)
pp. 91 - 96

SeMI2025-62
Requirements of Semantic Communications for Stochastic Task and Privacy Protection
Akihito Taya, Yuuki Nishiyama, Kaoru Sezaki (Tokyo Univ.)
pp. 97 - 102

SeMI2025-63
Field Experiments and Dialogue Log Analysis of an LLM-based Interactive Art Appreciation System -- A Case Study in Three Viewing Environments --
Yohei Torigaki (Okayama Univ.), Yuki Matsuda (Okayama Univ./RIKEN AIP)
pp. 103 - 108

SeMI2025-64
An Audible Sound-Based Communication Method over Telephone Lines for Supporting Troubleshooting of Equipment Failures
Mayu Miyake, Taiga Tsuzuki (Okayama Univ.), Yoshihiro Kawakami (Kawakami), Yuki Matsuda (Okayama Univ.)
pp. 109 - 114

SeMI2025-65
[Short Paper] An Evaluation of On-Device LLM for Wi-Fi Handover
Shoya Nagai, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)
pp. 115 - 118

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan