| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IST, ME, IEICE-IE, IEICE-BioX, IEICE-SIP, IEICE-MI [detail] |
2026-06-22
10:00 |
Tottori |
|
A Low-Resource Image Classification Architecture for On-Chip Processing Based on Feature-Extractable CMOS Image Sensors
Ryoya Iegaki, Hiroki Morita, Yu Osuka (Ritsumeikan Univ.), Kota Yoshida (AIST/Ritsumeikan Univ.), Yohei Hori (AIST), Shunsuke Okura (Ritsumeikan Univ.) |
(To be available after the conference date) [more] |
|
| IST |
2026-03-27
09:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Evaluation of Interference Noise in Wireless-Powered CMOS Image Sensors
Shunki Oyama, Koki Okada (Ritsumeikan Univ.), Ken Miyauchi (Brillnics Japan/ Ritsumeikan Univ), Hideki Owada, Chia-Chi Kuo, Isao Takayanagi (Brillnics Japan), Ami Tabaka, Fumiya Nishimura, Shunsuke Okura (Ritsumeikan Univ.) |
With the rapid proliferation of IoT devices, there is a growing interest in wireless power transfer (WPT) technology. Ho... [more] |
IST2026-13
pp.13-17 |
| IST |
2026-03-27
14:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Study on 4T-DCG Scheme Large-Small Multiple-Photodiode Pixel for Small HDR CMOS Image Sensors
Shogo Masui, Shuhei Takemoto, Ai Otani (Ritsumeikan Univ.), Ken Miyauchi (Ritsumeikan/Brillnics Japan), Hideki Owada, Chia Chi Kuo, Isao Takayanagi (Brillnics Japan), Shunsuke Okura (Ritsumeikan Univ.) |
Image sensors used in environments with large illuminance variations require high dynamic range (HDR). We are investigat... [more] |
IST2026-21
pp.48-53 |
| IST |
2025-09-18
15:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Optimization of Lightweight CNNs Using Feature Images for Edge Devices
Yu Osuka, Ryoya Iegaki, Kota Yoshida, Shunsuke Okura (Ristumeikan Univ.) |
This study investigates lightweight CNN design toward the realization of a feature-extractable CMOS image sensor. First,... [more] |
IST2025-45
pp.37-40 |
| IEICE-IE, ME, IEICE-LOIS, IEE-CMN [detail] |
2025-09-03
16:30 |
Hokkaido |
Hokkaido University of Science
(Primary: On-site, Secondary: Online) |
Compression-Efficient Feature Extraction Method for a CMOS Image Sensor
keiichiro Kuroda, Yu Osuka, Ryoya Ieagaki (Ritumeikan Univ.), Ryuichi Ujiie, Hideki Shima (Nisshinbo Micro Devices), Kota Yoshida, Shunsuke Okura (Ritumeikan Univ.) |
[more] |
ME2025-87
pp.1-6 |
| IST, ME, IEICE-IE, IEICE-BioX, IEICE-SIP, IEICE-MI [detail] |
2025-06-05
13:00 |
Ishikawa |
|
A Study on 2-Directions-Edge-Feature-Extractable CMOS Image Sensor Pixels
Hiroki Morita, Koki Fujiwara, Ryoya Iegaki (Ritsumeikan Univ.), Ryuichi Ujiie, Hideki Shima (Nisshinbo Micro Devices), Shunsuke Okura (Ritsumeikan Univ.) |
For the coming IoT society, we have proposed a CMOS image sensor pixel that can extract horizontal edge features in addi... [more] |
IST2025-23 ME2025-61
pp.7-12 |
| IST, ME, IEICE-IE, IEICE-BioX, IEICE-SIP, IEICE-MI [detail] |
2025-06-05
13:25 |
Ishikawa |
|
A Study of Object Detection Model Compression Methods for Features Extractable CMOS Image Sensors
Ryoya Iegaki, Keiichiro Kuroda, Yu Osuka (Ritsumeikan Univ), Ryuichi Ujiie, Hideki Shima (Nisshinbo), Kota Yoshida, Shunsuke Okura (Ritsumeikan Univ) |
We examine the quantization and pruning of object detection models for CMOS image sensors capable of feature extraction.... [more] |
IST2025-24 ME2025-62
pp.13-17 |
| IST, ME, IEICE-IE, IEICE-BioX, IEICE-SIP, IEICE-MI [detail] |
2025-06-05
14:15 |
Ishikawa |
|
A Study of Image Classifier Combining Pixel Array Operations and Digital Matrix Operations in Image Sensors
Kota Imagawa, Takeshi Enomoto, Kota Yoshida, Shunsuke Okura (Ritsumeikan Univ.) |
We investigate a tiny neural network (NN) that performs matrix operation circuits in a CMOS image sensor to realize a lo... [more] |
IST2025-25 ME2025-63
pp.18-23 |
| IST |
2025-03-21
10:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Defense Method Against Adversarial Example Attacks using Thermal Noise of a CMOS Image Sensor
Yuki Rogi, Kota Yoshida, Tatsuya Oyama, Takeshi Fujino, Shunsuke Okura (Ritsumeikan Univ.) |
With the rise of IoT technology, edge AI has become increasingly important, but it is vulnerable to adversarial example ... [more] |
IST2025-10
pp.5-6 |
| IST |
2025-03-21
11:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Lightweight Object Detection Model for a CMOS Image Sensor with Binary Feature Extraction
Keiichiro Kuroda, Yudai Morikaku, Yu Osuka, Ryoya Ieagaki, Kota Yoshida, Shunsuke Okura (Ritumeikan Univ) |
For the coming of IoT age, we have proposed an object detection system using a CMOS image sensor with binary feature ext... [more] |
IST2025-11
pp.7-8 |
| IST |
2025-03-21
15:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Evaluation of an Area-Efficient and Highly Linear Column-Parallel Readout Circuit for LOFIC Image Sensors
Ryotaro Hotta, Ai Otani, Hiroaki Ogawa, Shunsuke Okura (Ritsumeikan Univ.) |
[more] |
IST2025-19
pp.42-47 |
| KANSAI |
2024-12-22
11:45 |
Osaka |
Osaka Metropolitan University, I-site Namba |
A Study on the Sensitivity of 8-Shared Pixels for a Feature-Extractable CMOS Image Sensor
Daichi Anami, Yu Osuka, Yudai Morikaku (Ritsumeikan Univ.), Ryuichi Ujiie, Daisuke Morikawa, Hideki Shima (Nisshinbo Micro Devices Inc.), Shunsuke Okura (Ritsumeikan Univ.) |
For the coming trillion-sensor universe， we have proposed a CMOS image sensor pixel that can extract a feature for energ... [more] |
|
| IST |
2024-09-25
15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
A Study of High SNR Triple readout circuit for LOFIC CMOS Image Sensor
Ai Otani, Hiroaki Ogawa (Ritsumeikan Univ.), Ken Miyauchi, Yuki Morikawa, Hideki Owada, Isao Takayanagi (Brillnics), Shunsuke Okura (Ritsumeikan Univ.) |
[more] |
IST2024-49
pp.26-29 |
| IST |
2024-09-25
16:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
A Study of Linear Response DCG Scheme with 4 Transistor Pixel for a CMOS Image Sensor
Ayaka Banno (Ritsumeikan Univ.), Ken Miyauchi (Brillnics Japan), Shuhei Takemoto, Ai Otani (Ritsumeikan Univ.), Yuki Morikawa, Hideki Owada, Chia-Chi Kuo, Isao Takayanagi (Brillnics Japan), Shunsuke Okura (Ritsumeikan Univ.) |
High Dynamic Range (HDR) CMOS image sensors are required for use in extremely illuminated environments, such as outdoors... [more] |
IST2024-51
pp.34-37 |
| IST |
2024-03-27
13:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Evaluation of Object Detection Accuracy for DCG CMOS Image Sensor with 4T Pixel Structure
Shoya Nishide, Ayaka Banno (Ritsumeikan Univ.), Ken Miyauchi, Yuki Morikawa, Hideki Owada, Isao Takayanagi (Brillnics), Shunsuke Okura (Ritsumeikan Univ.) |
Our research group has proposed a high dynamic range DCG CMOS image sensors based on 4T pixel for sensing applications. ... [more] |
IST2024-16
pp.20-24 |
| IST |
2024-03-27
14:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
A Study on High-Sensitivity Stacked Digital Pixel Sensor with CTIA circuit
Kazuki Tatsuta, Nao Kitajima, Yu Osuka, Shunsuke Okura (Ritsumeikan Univ.) |
Small digital pixel sensor (DPS) with back-side illumination together with 3D-stacking technologies has been proposed fo... [more] |
IST2024-19
pp.34-38 |
| IST |
2023-09-15
14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Dual conversion gain scheme for small pixel CMOS Image Sensor
Ayaka Banno, Kazuki Tatsuta, Ai Otani, Shunsuke Okura (Ritsumeikan Univ.), Ken Miyauchi, Yuki Morikawa, Sangman Han, Hideki Owada, Isao Takayanagi (Brillnics) |
High Dynamic Range (HDR) CMOS image sensors are required for the use under extreme-illminated environments such as outdo... [more] |
IST2023-43
pp.33-36 |
| IEICE-ICD, IEICE-SDM, IST [detail] |
2023-08-02
10:10 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
A Small-Area and Highly-Linear Column Readout Circuit for LOFIC CMOS Image Sensor
Ryotaro Hotta, Shunsuke Okura, Ai Otani, Kazuki Tatsuta (Ritsmeikan), Ken Miyauchi, Han Sangman, Hideki Owada, Isao Takayanagi (Brillnics) |
[more] |
IST2023-30
pp.7-12 |
| IST |
2023-06-21
16:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Invited Talk]
Introduction to Single Exposure HDR CMOS Image Sensors
Shunsuke Okura (Ritsumeikan) |
In the development of Internet of Things (IoT), CMOS image sensors are expected to be used under extreme-illumination co... [more] |
IST2023-27
pp.27-28 |
| IEICE-BioX, IEICE-SIP, IEICE-IE, IST, ME [detail] |
2023-05-19
15:15 |
Mie |
Sansui Hall, Mie University
(Primary: On-site, Secondary: Online) |
Object Detection with Split Images Based on Signal Range for Single Exposure High Dynamic Range Image Sensors
Yuta Nakahigashi, Yu Osuka, Kota Yoshida, Shunsuke Okura (Ritsumeikan Univ.) |
In this paper, we study object detection with split images based on signal range for single exposure high dynamic range... [more] |
IST2023-15 ME2023-58
pp.13-18 |