Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IST |
2024-03-27 10:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Dynamic-Range Extension Technique with Linear-Logarithmic Response for Short-Pulse Time-of-Flight Image Sensors Tomohiro Okuyama, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ.) |
This paper presents an extension of the dynamic range of a short-pulse indirect ToF (Time-of-Flight) range sensor with l... [more] |
IST2024-12 pp.4-7 |
IST |
2023-11-10 15:20 |
Tokyo |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
High precision time-of-flight image sensors and their application Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2023-50 pp.14-17 |
IST |
2023-11-10 16:00 |
Tokyo |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
A Three-Wavelength SFDI System with Motion and Ambient Light Resistance using an 8-Tap CMOS Image Sensor Feng Yu, Chen Cao, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2023-51 pp.18-22 |
IST |
2023-09-15 11:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Pseudo-dToF using deep learning with time-compressive computational CMOS image sensor Michitaka Yoshida (JSPS), Pham Ngoc Anh, Lioe De Xing, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.) |
Depth imaging by the indirect ToF method has a problem in whitch measurement errors occur due to multiple reflections fr... [more] |
IST2023-37 pp.9-12 |
IST |
2023-06-21 13:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Poster Presentation]
Design of image sensors for the cameras to protect privacy Tomoki Nakamura, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.) |
In this paper, we propose an image sensor for privacy protection and show its basic configuration. The image sensor outp... [more] |
IST2023-22 pp.11-12 |
IST |
2023-06-21 14:10 |
Tokyo |
Tokyo University of Science Morito Memorial Hall |
[Poster Presentation]
Applications of multi-tap ToF image sensors for fluorescence lifetime imaging Ibuki Ando, Kamel Mars, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
Fluorescence lifetime imaging is a tumor detection method that utilizes the autofluorescence of living cells. This metho... [more] |
IST2023-24 pp.17-18 |
IST |
2022-12-12 14:20 |
Shizuoka |
Sanaru Hall |
Block-wise-controlled Image Sensor with Variable Resolution, Frame rate, and Exposure Time for Scene Adaptive Imaging Kohei Tomioka, Toshio Yasue, Kodai Kikuchi, Takenobu Usui, Kazuya Kitamura (NHK STRL), Shoji Kawahito (Shizuoka Univ.) |
This paper proposes a block-wise-controlled image sensor, which has pixel blocks with independently controllable pixel b... [more] |
IST2022-57 pp.49-50 |
IST |
2022-09-22 15:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Hybrid ToF Image Sensor for Long-Range Depth Measurement under High Ambient Light Conditions Takahiro Akutsu (Brookman), Kunihiro Hatakeyama, Yu Okubo, Tomohiro Nakagome (Toppan), Masahiro Makino, Hiroshi Takashima (TDC), Takehide Sawamoto, Masanori Nagase (Brookman), Tatsuo Noguchi (Toppan), Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2022-37 pp.13-16 |
IEICE-ICD, IEICE-SDM, IST [detail] |
2022-08-09 10:05 |
Online |
On-line |
[Invited Talk]
A 38µm Range Precision Time-of-Flight CMOS Range Line Imager with Gating Driver Jitter Reduction Using Charge-Injection Pseudo Photocurrent Reference Keita Yasutomi, Tatsuki Furuhashi, Koki Sagawa, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ.) |
[more] |
|
IST |
2022-06-29 13:30 |
Online |
|
600 MHz operation of charge-domain time-compressive computational CMOS image sensor Thoriq Ibrahim, Pham Ngoc Anh, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keiichiro Kagawa (Shizuoka Univ.) |
In this work, we improved the operation speed of a charge-domain time-compressive ultra-high-speed computational CMOS im... [more] |
IST2022-26 pp.5-8 |
IST |
2022-03-28 14:35 |
Online |
|
An 8-Tap Image Sensor Using Tapped PN-Junction Diode Demodulation Pixels for Short-Pulse Time-of-Flight Measurements Ryosuke Miyazawa, Yuya Shirakawa, Kamel Mars, Keita Yasutomi, Keiichiro Kagawa (Shizuoka Univ.), Satoshi Aoyama (Brookman Technology), Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2022-18 pp.35-38 |
IST |
2022-03-28 15:00 |
Online |
|
A 38µm Range Precision Time-of-Flight CMOS Range Line Imager with Gating Driver Jitter Reduction Using Charge-Injection Pseudo Photocurrent Reference Keita Yasutomi, Tatsuki Furuhashi, Koki Sagawa, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2022-19 pp.39-42 |
IST |
2021-11-25 15:10 |
Online |
Online |
[Invited Talk]
Time-Of-Flight Image Sensors
-- An introduction on SP-type Multi-tap i/hToF Image Sensors -- Satoshi Aoyama (Brookman), Shoji Kawahito (Shizuoka Univ.) |
A multi-tap indirect ToF image sensor that has a high-speed drain gate and detects short pulse (SP: Short Pulse) modulat... [more] |
IST2021-65 pp.19-22 |
IST |
2021-11-25 16:10 |
Online |
Online |
[Invited Talk]
Range precision improvement for TOF range imagers Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2021-67 pp.31-35 |
IST |
2021-10-21 11:30 |
Online |
|
A 2x2-aperture four-tap multi-modal tissue imager Keiichiro Kagawa, Yuto Shimada, Kazuki Takada, Hoang Son Nam, Kakeru Miyazaki,, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2021-53 pp.21-24 |
IST |
2021-10-21 14:00 |
Online |
|
A Time-Resolved 4-tap Image Sensor Using Tapped PN-Junction Diode Demodulation Pixels Hiroaki Nagae, Shohei Daikoku, Keita Kondo, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ) |
In this paper, we propose a high-speed charge modulation pixel with four-tap output using a tapped photodiode (TPD) stru... [more] |
IST2021-57 pp.37-40 |
IST |
2021-10-21 15:00 |
Online |
|
Noise reduction by using sample-and-hold circuits for bias voltage of pixel source followers Kohei Tomioka, Toshio Yasue, Kodai Kikuchi, Tomohiro Nakamura, Takayuki Yamashita, Kazuya Kitamura (NHK STRL), Shoji Kawahito (Shizuoka Univ.) |
A bias voltage generation method was proposed for a pixel source follower amplifier which is suitable for high resolutio... [more] |
IST2021-59 pp.45-48 |
IST |
2021-06-30 10:00 |
Online |
|
Error correction for TOF range measurement caused by subsurface scattering using multiple regression analysis Daiki Takegawa, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2021-30 pp.1-4 |
IST |
2021-06-30 10:30 |
Online |
|
A investigation of jitter reduction method using dual reference plane sampling for high range resolution TOF sensor Tatsuki Furuhashi, Keita Yasutomi, Ryosuke Hatada, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ.) |
In order to obtain extremely high range resolution in the time-of-flight(TOF) range imaging, jitter reduction induced in... [more] |
IST2021-31 pp.5-8 |
IST |
2021-06-30 11:30 |
Online |
|
A study on three-wavelength spatial frequency domain imaging using an 8-tap CMOS image sensor with Hilbert transform Kazuki Takada, Iori Shibata, Yuya Shirakawa, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2021-33 pp.13-16 |