| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IST |
2022-12-12
14:20 |
Shizuoka |
Sanaru Hall |
[Poster Presentation]
Plasmonic polarization color filtering using 1D corrugated metallic thin films
Yusuke Fukaya, Atsutaka Miyamichi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito, Atsushi Ono (Shizuoka Univ.) |
We proposed a plasmonic polarization color filter composed of a 1D periodic corrugated metal thin film aimed for the sim... [more] |
IST2022-45
pp.25-26 |
| IST |
2022-12-12
14:20 |
Shizuoka |
Sanaru Hall |
Pseudo-direct ToF imaging using a multi-tap macro-pixel CMOS image sensor with oversampled reconstruction
Pham Ngoc Anh, Thoriq Ibrahim, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.), Hajime Nagahara (Osaka Univ.), Keiichiro Kagawa (Shizuoka Univ.) |
A pseudo-dToF imaging method using an iToF image sensor composed of multi-tap macro-pixels in combination with compressi... [more] |
IST2022-48
pp.31-32 |
| IST |
2022-12-12
14:20 |
Shizuoka |
Sanaru Hall |
[Poster Presentation]
[Poster Presentation] Estimation of scattering and chromophore concentration maps by multi-band spatial frequency domain imaging using a two-layer skin model.
Yuto Shimada, Yu Feng, Chen Cao, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa (Shizuoka Univ.) |
Spatial frequency domain imaging (SFDI) can perform simultaneous quantitative measurement of the distributions of reduce... [more] |
IST2022-50
pp.35-36 |
| 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 |
| 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 |