Keita Yasutomi

64 papers B 1Journal 32Unranked 31

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	High-Fidelity Scene Response Reconstruction For Flash Lidar Using Charge-Domain Time-Compressive Tof Image Sensor. ICIPW Daisuke Hayashi, Michitaka Yoshida, Nobukazu Teranishi, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa
2024	—	`conf`	Simulation Methods for Lock-In Pixels Considering Gating Driver's Response. IEEE SENSORS Ryosuke Suzuki, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2024	—	`conf`	Single-Shot Efficient Depth Imaging Based on Time-Compressive CMOS Image Sensor. IEEE SENSORS Michitaka Yoshida, Daisuke Hayashi, De Xing Lioe, Keita Yasutomi, Shoji Kawahito, Keiichiro Kagawa, Hajime Nagahara
2023	J	`jnl`	A Time-of-Flight Image Sensor Using 8-Tap P-N Junction Demodulator Pixels. Sensors Ryosuke Miyazawa, Yuya Shirakawa, Kamel Mars, Keita Yasutomi, Keiichiro Kagawa, Satoshi Aoyama, Shoji Kawahito
2023	J	`jnl`	An SOI-Based Lock-in Pixel with a Shallow Buried Channel for Reducing Parasitic Light Sensitivity and Improving Modulation Contrast. IEICE Trans. Electron. Tatsuya Kobayashi, Keita Yasutomi, Naoki Takada, Shoji Kawahito
2023	J	`jnl`	Depth Quality Improvement with a 607 MHz Time-Compressive Computational Pseudo-dToF CMOS Image Sensor. Sensors Anh Ngoc Pham, Thoriq Ibrahim, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa
2022	—	`conf`	A 38µm Range Precision Time-of-Flight CMOS Range Line Imager with Gating Driver Jitter Reduction Using Charge-Injection Pseudo Photocurrent Reference. ISSCC Keita Yasutomi, Tatsuki Furuhashi, Koki Sagawa, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
2022	J	`jnl`	A Dual-Mode 303-Megaframes-per-Second Charge-Domain Time-Compressive Computational CMOS Image Sensor. Sensors Keiichiro Kagawa, Masaya Horio, Anh Ngoc Pham, Thoriq Ibrahim, Shin-ichiro Okihara, Tatsuki Furuhashi, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara
2022	J	`jnl`	Development of a Current Injection - Type Impedance Measurement System for Monitoring Soil Water Content and Ion Concentration. Sensors Ryuki Shigemasu, Yuki Teraoka, Satoshi Ota, Harutoyo Hirano, Keita Yasutomi, Shoji Kawahito, Masato Futagawa
2022	J	`jnl`	Lock-in Pixel Based Time-of-Flight Range Imagers: An Overview. IEICE Trans. Electron. Keita Yasutomi, Shoji Kawahito
2022	J	`jnl`	Resolving Multi-Path Interference in Compressive Time-of-Flight Depth Imaging with a Multi-Tap Macro-Pixel Computational CMOS Image Sensor. Sensors Masaya Horio, Yu Feng, Tomoya Kokado, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Takashi Komuro, Hajime Nagahara, Keiichiro Kagawa
2021	J	`jnl`	High-Linearity High-Resolution Time-of-Flight Linear-Array Digital Image Sensor Using Time-Domain Feedback. Sensors Juyeong Kim, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2020	J	`jnl`	A Time-of-Flight Range Sensor Using Four-Tap Lock-In Pixels with High near Infrared Sensitivity for LiDAR Applications. Sensors Sanggwon Lee, Keita Yasutomi, Masato Morita, Hodaka Kawanishi, Shoji Kawahito
2020	J	`jnl`	An 8-Tap CMOS Lock-In Pixel Image Sensor for Short-Pulse Time-of-Flight Measurements. Sensors Yuya Shirakawa, Keita Yasutomi, Keiichiro Kagawa, Satoshi Aoyama, Shoji Kawahito
2020	—	`conf`	Simulfocus imaging: quasi-simultaneous multi-focus imaging using Lock-in Pixel imager and TAG lens. SIGGRAPH Emerging Technologies Hiromasa Oku, Kazuki Yamato, Yusuke Tanaka, Keita Yasutomi, Shoji Kawahito
2019	J	`jnl`	A Sub-100 $\mu$ m-Range-Resolution Time-of-Flight Range Image Sensor With Three-Tap Lock-In Pixels, Non-Overlapping Gate Clock, and Reference Plane Sampling. IEEE J. Solid State Circuits Keita Yasutomi, Yushi Okura, Keiichiro Kagawa, Shoji Kawahito
2019	J	`jnl`	A Time-Resolved NIR Lock-In Pixel CMOS Image Sensor With Background Cancelling Capability for Remote Heart Rate Detection. IEEE J. Solid State Circuits Chen Cao, Yuya Shirakawa, Leyi Tan, Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Sung-Wook Jun, Tomohiko Kosugi, Satoshi Aoyama, Nobukazu Teranishi, Norimichi Tsumura, Shoji Kawahito
2019	J	`jnl`	A Wide Dynamic Range CMOS Image Sensor with a Charge Splitting Gate and Two Storage Diodes. Sensors Minho Lee, Min-Woong Seo, Juyeong Kim, Keita Yasutomi, Keiichiro Kagawa, Jang-Kyoo Shin, Shoji Kawahito
2019	J	`jnl`	Plasmonic Color Filter Array with High Color Purity for CMOS Image Sensors. Sensors Atsutaka Miyamichi, Atsushi Ono, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2018	—	`conf`	A Distance Measurement Method Using A Time-of-Flight CMOS Range Image Sensor with 4-Tap Output Pixels and Multiple Time-Windows. IMSE Kohei Yamada, Komazawa Akihito, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2018	J	`jnl`	A Low-Noise X-ray Astronomical Silicon-On-Insulator Pixel Detector Using a Pinned Depleted Diode Structure. Sensors Hiroki Kamehama, Shoji Kawahito, Sumeet Shrestha, Syunta Nakanishi, Keita Yasutomi, Ayaki Takeda, Takeshi Go Tsuru, Yasuo Arai
2018	J	`jnl`	A Silicon-on-Insulator-Based Dual-Gain Charge-Sensitive Pixel Detector for Low-Noise X-ray Imaging for Future Astronomical Satellite Missions. Sensors Sumeet Shrestha, Shoji Kawahito, Hiroki Kamehama, Syunta Nakanishi, Keita Yasutomi, Keiichiro Kagawa, Nobukazu Teranishi, Ayaki Takeda, Takeshi Go Tsuru, Ikuo Kurachi, Yasuo Arai
2018	J	`jnl`	A Time-Resolved Four-Tap Lock-In Pixel CMOS Image Sensor for Real-Time Fluorescence Lifetime Imaging Microscopy. IEEE J. Solid State Circuits Min-Woong Seo, Yuya Shirakawa, Yoshimasa Kawata, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2018	—	`conf`	A Two-Tap NIR Lock-in Pixel CMOS Image Sensor with Background Light Cancelling Capability for Non-Contact Heart Rate Detection. VLSI Circuits Chen Cao, Yuya Shirakawa, Leyi Tan, Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Tomohiko Kosugi, Satoshi Aoyama, Nobukazu Teranishi, Norimichi Tsumura, Shoji Kawahito
2018	J	`jnl`	Multi-Aperture-Based Probabilistic Noise Reduction of Random Telegraph Signal Noise and Photon Shot Noise in Semi-Photon-Counting Complementary-Metal-Oxide-Semiconductor Image Sensor. Sensors Haruki Ishida, Keiichiro Kagawa, Takashi Komuro, Bo Zhang, Min-Woong Seo, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
2018	J	`jnl`	The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor. Sensors Takuya Yoda, Hajime Nagahara, Rin-Ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2017	—	`conf`	4.3 A programmable sub-nanosecond time-gated 4-tap lock-in pixel CMOS image sensor for real-time fluorescence lifetime imaging microscopy. ISSCC Min-Woong Seo, Yuya Shirakawa, Yuriko Masuda, Yoshimasa Kawata, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2017	J	`jnl`	A 19-bit column-parallel folding-integration/cyclic cascaded ADC with a pre-charging technique for CMOS image sensors. IEICE Electron. Express Tongxi Wang, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
2017	—	`conf`	A Lateral Electric Field charge Modulator with Bipolar-gates for Time-resolved Imaging. IMSE Yuki Morikawa, Keita Yasutomi, Shoma Imanishi, Taishi Takasawa, Keiichiro Kagawa, Nobukazu Teranishi, Shoji Kawahito
2017	J	`jnl`	Label-Free Biomedical Imaging Using High-Speed Lock-In Pixel Sensor for Stimulated Raman Scattering. Sensors Kamel Mars, Xing Lioe De, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa, Takahiro Yamada, Mamoru Hashimoto
2017	—	`conf`	RTS and photon shot noise reduction based on maximum likelihood estimate with multi-aperture optics and semi-photon-counting-level CMOS image sensors. IMSE Haruki Ishida, Keiichiro Kagawa, Min-Woong Seo, Takashi Komuro, Bo Zhang, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
2016	J	`jnl`	A 10 ps Time-Resolution CMOS Image Sensor With Two-Tap True-CDS Lock-In Pixels for Fluorescence Lifetime Imaging. IEEE J. Solid State Circuits Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Yoshimasa Kawata, Nobukazu Teranishi, Zhuo Li, Izhal Abdul Halin, Shoji Kawahito
2016	J	`jnl`	A Stimulated Raman Scattering CMOS Pixel Using a High-Speed Charge Modulator and Lock-in Amplifier. Sensors Xing Lioe De, Kamel Mars, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa, Takahiro Yamada, Mamoru Hashimoto
2016	—	`conf`	A Time-of-Flight CMOS Range Image Sensor Using 4-Tap Output Pixels with Lateral-Electric-Field Control. IMSE Taichi Kasigao, Sang-Man Han, Hanh Trang, Taishi Takasawa, Satoshi Aoyama, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2016	—	`conf`	A high time-resolution two-tap CMOS lock-in pixel image sensor for time-resolved measurements and its applications. BioCAS Min-Woong Seo, Yuya Shirakawa, Keiichiro Kagawa, Keita Yasutomi, Yoshimasa Kawata, Nobukazu Teranishi, Shoji Kawahito
2016	—	`conf`	Design, implementation and evaluation of a TOF range image sensor using multi-tap lock-in pixels with cascaded charge draining and modulating gates. IMSE Hanh Trang, Taichi Kasugai, Keigo Isobe, Sang-Man Han, Taichi Takasawa, Xing Lioe De, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2016	B	`conf`	Dynamic photometric stereo method using multi-tap CMOS image sensor. ICPR Takuya Yoda, Hajime Nagahara, Rin-Ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2015	—	`conf`	11.2 A 10.8ps-time-resolution 256×512 image sensor with 2-Tap true-CDS lock-in pixels for fluorescence lifetime imaging. ISSCC Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Taishi Takasawa, Yoshimasa Kawata, Nobukazu Teranishi, Zhuo Li, Izhal Abdul Halin, Shoji Kawahito
2015	—	`conf`	6.4 Single-shot 200Mfps 5×3-aperture compressive CMOS imager. ISSCC Futa Mochizuki, Keiichiro Kagawa, Shin-ichiro Okihara, Min-Woong Seo, Bo Zhang, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
2015	J	`jnl`	A column-parallel clock skew self-calibration circuit for time-resolved CMOS image sensors. IEICE Electron. Express Lianghua Miao, Keita Yasutomi, Shoma Imanishi, Shoji Kawahito
2015	—	`conf`	A digital calibration technique for folding-integration/cyclic cascaded ADCs. MWSCAS Tongxi Wang, Amin M. R. Khandaker, Keita Yasutomi, Shoji Kawahito
2015	—	`conf`	A high-sensitivity 2x2 multi-aperture color camera based on selective averaging. IMSE Bo Zhang, Keiichiro Kagawa, Taishi Takasawa, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
2014	—	`conf`	7.4 A 413×240-pixel sub-centimeter resolution Time-of-Flight CMOS image sensor with in-pixel background canceling using lateral-electric-field charge modulators. ISSCC Sang-Man Han, Taishi Takasawa, Tomoyuki Akahori, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	7.5 A 0.3mm-resolution Time-of-Flight CMOS range imager with column-gating clock-skew calibration. ISSCC Keita Yasutomi, Takahiro Usui, Sang-Man Han, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	A CMOS time-of-flight range image sensor using draining only modulation structure. IMSE Sang-Man Han, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	A high fill-factor low dark leakage CMOS image sensor with shared-pixel design. IMSE Min-Woong Seo, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	A stimulated Raman scattering imager using high-speed lateral electric field modulator and lock-in pixels amplifiers. IMSE Kamel Mars, Beak Guseul, Sang-Man Han, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Mamoru Hashimoto, Shoji Kawahito
2014	—	`conf`	A time-resolved image sensor for tubeless streak cameras. IMSE Keita Yasutomi, Sang-Man Han, Min-Woong Seo, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	An indirect time-of-flight measurement technique for sub-mm range resolution using impulse photocurrent response. IMSE Takahiro Usui, Keita Yasutomi, Sang-Man Han, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
2014	J	`jnl`	Extremely small differential non-linearity in a DMOS capacitor based cyclic ADC for CMOS image sensors. IEICE Electron. Express Zhiheng Wei, Keita Yasutomi, Shoji Kawahito
2014	J	`jnl`	Image-sensor-based visible light communication for automotive applications. IEEE Commun. Mag. Takaya Yamazato, Isamu Takai, Hiraku Okada, Toshiaki Fujii, Tomohiro Yendo, Shintaro Arai, Michinori Andoh, Tomohisa Harada, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2014	—	`conf`	Lock-in pixels readout circuit using a high speed lateral electric field modulator with differential charge accumulation for stimulated Raman scattering imager. NEWCAS Kamel Mars, Ken Egawa, Xing Lioe De, Sang-Man Han, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Mamoru Hashimoto, Shoji Kawahito
2014	J	`jnl`	RTS Noise and Dark Current White Defects Reduction Using Selective Averaging Based on a Multi-Aperture System. Sensors Bo Zhang, Keiichiro Kagawa, Taishi Takasawa, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
2013	—	`conf`	A custom CMOS imager for multi-beam laser scanning microscopy and an improvement of scanning speed. Sensors, Cameras, and Systems for Industrial and Scientific Applications Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
2013	J	`jnl`	Design of a Digitally Error-Corrected Pipeline ADC Using Incomplete Settling of Pre-Charged Residue Amplifiers. IEICE Trans. Electron. Sung-Wook Jun, Lianghua Miao, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2013	J	`jnl`	RTS noise reduction of CMOS image sensors using amplifier-selection pixels. IEICE Electron. Express Mohd Amrallah Mustafa, Min-Woong Seo, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa
2012	—	`conf`	A CMOS imager using focal-plane pinhole effect for confocal multibeam scanning microscopy. Sensors, Cameras, and Systems for Industrial and Scientific Applications Min-Woong Seo, An Wang, Zhuo Li, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2012	J	`jnl`	A Low-Noise High Intrascene Dynamic Range CMOS Image Sensor With a 13 to 19b Variable-Resolution Column-Parallel Folding-Integration/Cyclic ADC. IEEE J. Solid State Circuits Min-Woong Seo, Sungho Suh, Tetsuya Iida, Taishi Takasawa, Keigo Isobe, Takashi Watanabe, Shinya Itoh, Keita Yasutomi, Shoji Kawahito
2012	J	`jnl`	A distributed ramp signal generator of column-parallel single-slope ADCs for CMOS image sensors. IEICE Electron. Express Kaita Imai, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
2011	—	`conf`	A CMOS image sensor with draining only modulation pixels for fluorescence lifetime imaging. Sensors, Cameras, and Systems for Industrial, Scientific, and Consumer Applications Zhuo Li, Keita Yasutomi, Taishi Takasawa, Shinya Itoh, Shoji Kawahito
2011	J	`jnl`	Design and Implementation of A CMOS Light Pulse Receiver Cell Array for Spatial Optical Communications. Sensors M. Shakowat Zaman Sarker, Shinya Itoh, Moeta Hamai, Isamu Takai, Michinori Andoh, Keita Yasutomi, Shoji Kawahito
2010	—	`conf`	A 2.7e- temporal noise 99.7% shutter efficiency 92dB dynamic range CMOS image sensor with dual global shutter pixels. ISSCC Keita Yasutomi, Shinya Itoh, Shoji Kawahito
2010	—	`conf`	A CMOS image sensor for 10Mb/s 70m-range LED-based spatial optical communication. ISSCC Shinya Itoh, Isamu Takai, M. Shakowat Zaman Sarker, Moeta Hamai, Keita Yasutomi, Michinori Andoh, Shoji Kawahito
2008	—	`conf`	A 15b power-efficient pipeline A/D converter using non-slewing closed-loop amplifiers. CICC Shoji Kawahito, Kazutaka Honda, Zheng Liu, Keita Yasutomi, Shinya Itoh