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 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]
Tomographic imaging based on a two-layer model using multiple spatial frequencies Naoshi Yoneyama, Keiichiro Kagawa (Shizuoka Univ.) |
Because biological tissues have a complex layered structure, quantitative measurement of tissue parameters requires a mu... [more] |
IST2023-20 pp.5-6 |
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 |
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 13:00 |
Online |
|
[Invited Talk]
Charge-domain signal compression in ultra-high-speed CMOS image sensors Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2022-16 pp.25-30 |
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 |
2021-10-21 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 |
2021-06-30 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 11:00 |
Online |
|
|
SFDI and TRS are non-invasive imaging techniques for optical parameters such as absorption and scattering coefficients o... [more] |
IST2021-32 pp.9-12 |
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 |
IST |
2021-06-30 13:00 |
Online |
|
Compressed video image sensor using XY-addressing pixels Kakeru Miyazaki, Kouhei Watanabe (Shizuoka Univ.), Michitaka Yoshida (Osaka Univ.), Keita Yasutomi, Shouji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2021-34 pp.17-20 |
IST |
2020-11-20 10:00 |
  |
Online |
Multi-tap macro-pixel based ultra-high-speed CMOS image sensor
-- measurement of prototype sensor and sub-pixel-resolution image reconstruction -- Thoriq Ibrahim, Masaya Horio, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keiichiro Kagawa (Shizuoka Univ.) |
In this work, we verified the operation of a multi-tap macro-pixel based ultra-high-speed CMOS image sensor. The pixel o... [more] |
IST2020-43 pp.1-4 |
IEICE-MI, IEICE-IE, IEICE-SIP, IEICE-BioX, IST, ME [detail] |
2020-05-28 16:00 |
Online |
Online |
Spatial frequency domain imaging based on FFT using 8-tap CMOS image sensor and projection of 6-phase stripe pattern Kazuki Takada, Iori Shibata, Yuya Shirakawa, Keta Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2020-32 ME2020-83 pp.41-44 |
IST |
2020-03-27 11:20 |
Tokyo |
Kikaishinko kaikan (Postponed) |
A Short-Pulse Based Time-of-Flight Image Sensor using 4-tap Charge-Modulation Pixels with Accelerated Carrier Response Michihiro Inoue, Shohei Daikoku, Keita Kondo, Akihito Komazawa, Kamel Mars, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2020-13 pp.25-28 |