| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 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 |
| 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 |
| IST |
2020-11-20
14:45 |
|
Online |
[Invited Talk]
Micro-second focusing based on resonance type liquid lens and exposure timing control: principle and application
Hiromasa Oku (Gunma Univ.), Kazuki Yamato (Utsunomiya Univ.), Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
Combining a TAG lens, which is a liquid lens that utilizes a resonance phenomenon of around 100 kHz, and exposure timing... [more] |
IST2020-49
pp.29-34 |
| 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
11:00 |
Tokyo |
Kikaishinko kaikan
(Postponed) |
A Time-of-Flight Range Sensor Using Four-tap Lock-in Pixels with High-NIR Sensitivity for LiDAR application
Keita Yasutomi, Sanggwon Lee, Hodaka Kawanishi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2020-12
pp.21-24 |
| 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 |
| IST |
2020-03-27
15:00 |
Tokyo |
Kikaishinko kaikan
(Postponed) |
Multi-path interference separation by single-shot compressive pulse-TOF depth imaging with sub-clock shifting and multi-frequency coded shutters
Keiichiro Kagawa, Tomoya Kokado, Yu Feng, Masaya Horio, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Takashi Komuro (Saitama Univ.), Hajime Nagahara (Osaka Univ.) |
[more] |
IST2020-19
pp.51-56 |
| IST |
2019-11-08
15:10 |
Tokyo |
|
[Keynote Address]
Advanced CMOS image sensors
-- the potential of biomedical applications --
Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa (Shizuoka Univ.) |
[more] |
IST2019-56
pp.13-18 |
| IST |
2019-09-20
10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An 8-tap CMOS Lock-in Pixel Image Sensor for Short-Pulse Time-of-Flight Measurements
Yuya Shirakawa, Keita Yasutomi, Keiichiro Kagawa (Shizuoka Univ.), Satoshi Aoyama (BT), Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2019-43
pp.1-4 |
| IST |
2019-06-18
13:30 |
Tokyo |
Tokyo University of Sci. Morito Kinenkan |
Image quality improvement and comparison of power consumption of pulse width modulation CMOS image sensors for IoT applications
Kohei Watanabe, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2019-35
pp.1-4 |
| IST |
2019-03-22
09:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Understanding multi-path interference with calibrated and normalized phasor plot in the endoscopic application of TOF image sensors
Keiichiro Kagawa, Ryota Miyagi, Yuta Murakami, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
Mulipath interference in the endoscopic applications of time-of-flight image sensors was visualized with a phasor approa... [more] |
IST2019-13
pp.7-10 |
| IST |
2019-03-22
10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Noise Suppression Effect of Folding-Integration Applied to a column-parallel 3-stage pipeline ADC in a 2.1 μm 33-megapixel CMOS Image sensor
Kohei Tomioka, Kohei Tomioka, Yasue Toshio, Ryohei Funatsu, Tomoki Matsubara (NHK STRL), Tomohiko Kosugi, Sungwook Jun, Takashi Watanabe, Masanori Nagase, Toshiaki Kitajima, Satoshi Aoyama (Brookman Technology), Shoji Kawahito (Shizuoka University) |
This study investigated the noise suppression effect of multiple sampling applied to a 3-stage pipeline analog-to-digita... [more] |
IST2019-14
pp.11-16 |
| IST |
2018-11-28
16:30 |
Tokyo |
Tamachi Campus, TITECH |
[Poster Presentation]
Multi-band plasmonic color filtering through nanostructured metal thin film for RGB-NIR image sensor
Atsutaka Miyamichi, Atsushi Ono, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
We propose a novel on-chip color filter consisting of periodic corrugated metallic nano-gratings concentrically surround... [more] |
IST2018-60
pp.3-4 |
| IST |
2018-11-28
16:30 |
Tokyo |
Tamachi Campus, TITECH |
[Poster Presentation]
[Poster Presentaion] Tissue measurement based on a multi-tap CMOS image sensor with binary structured light
Yuki Nishioka, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2018-62
pp.7-8 |
| IST |
2018-11-28
16:30 |
Tokyo |
Tamachi Campus, TITECH |
[Poster Presentation]
Visualization of time-of-flight signals with normalized and calibrated phasor plot
Ryota Miyagi, Keiichiro Kagawa, Yuta Murakami (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
Impulse-response signals measured by a highly-time-resolving CMOS image sensor in time-of-flight range imaging are analy... [more] |
IST2018-66
pp.15-16 |
| IST |
2018-11-28
16:30 |
Tokyo |
Tamachi Campus, TITECH |
[Poster Presentation]
A real-time stress monitoring system using a high sensitivity camera
Leyi Tan, Masashi Hakamata, Chen Cao, Keiichiro Kagawa (Shizuoka univ), Norimichi Tsumura (Chiba univ), Shoji Kawahito (Shizuoka univ) |
Main contribution of this paper is we introduced a real-time stress monitoring system which could estimate heart rate an... [more] |
IST2018-67
pp.17-18 |