Shoji Kawahito

ORCID

Publication Activity (10 Years)

Years Active: 1987-2023
Publications (10 Years): 57

Top Venues

Sensors

IMSE

ISSCC

IEEE J. Solid State Circuits

Publications

Tatsuya Kobayashi, Keita Yasutomi, Naoki Takada, Shoji Kawahito
An SOI-Based Lock-in Pixel with a Shallow Buried Channel for Reducing Parasitic Light Sensitivity and Improving Modulation Contrast. IEICE Trans. Electron. 106 (10) (2023)
Kunihiro Hatakeyama, Yu Okubo, Tomohiro Nakagome, Masahiro Makino, Hiroshi Takashima, Takahiro Akutsu, Takehide Sawamoto, Masanori Nagase, Tatsuo Noguchi, Shoji Kawahito
A Hybrid ToF Image Sensor for Long-Range 3D Depth Measurement Under High Ambient Light Conditions. IEEE J. Solid State Circuits 58 (4) (2023)
Ryosuke Miyazawa, Yuya Shirakawa, Kamel Mars, Keita Yasutomi, Keiichiro Kagawa, Satoshi Aoyama, Shoji Kawahito
A Time-of-Flight Image Sensor Using 8-Tap P-N Junction Demodulator Pixels. Sensors 23 (8) (2023)
Anh Ngoc Pham, Thoriq Ibrahim, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara, Keiichiro Kagawa
Depth Quality Improvement with a 607 MHz Time-Compressive Computational Pseudo-dToF CMOS Image Sensor. Sensors 23 (23) (2023)
Keiichiro Kagawa, Masaya Horio, Anh Ngoc Pham, Thoriq Ibrahim, Shin-ichiro Okihara, Tatsuki Furuhashi, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Hajime Nagahara
A Dual-Mode 303-Megaframes-per-Second Charge-Domain Time-Compressive Computational CMOS Image Sensor. Sensors 22 (5) (2022)
Masaya Horio, Yu Feng, Tomoya Kokado, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito, Takashi Komuro, Hajime Nagahara, Keiichiro Kagawa
Resolving Multi-Path Interference in Compressive Time-of-Flight Depth Imaging with a Multi-Tap Macro-Pixel Computational CMOS Image Sensor. Sensors 22 (7) (2022)
Ryuki Shigemasu, Yuki Teraoka, Satoshi Ota, Harutoyo Hirano, Keita Yasutomi, Shoji Kawahito, Masato Futagawa
Development of a Current Injection - Type Impedance Measurement System for Monitoring Soil Water Content and Ion Concentration. Sensors 22 (9) (2022)
Kunihiro Hatakeyama, Yu Okubo, Tomohiro Nakagome, Masahiro Makino, Hiroshi Takashima, Takahiro Akutsu, Takehide Sawamoto, Masanori Nagase, Tatsuo Noguchi, Shoji Kawahito
A Hybrid Indirect ToF Image Sensor for Long-Range 3D Depth Measurement under High Ambient Light Conditions. VLSI Technology and Circuits (2022)
Keita Yasutomi, Shoji Kawahito
Lock-in Pixel Based Time-of-Flight Range Imagers: An Overview. IEICE Trans. Electron. (7) (2022)
Keita Yasutomi, Tatsuki Furuhashi, Koki Sagawa, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
A 38µm Range Precision Time-of-Flight CMOS Range Line Imager with Gating Driver Jitter Reduction Using Charge-Injection Pseudo Photocurrent Reference. ISSCC (2022)
Juyeong Kim, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
High-Linearity High-Resolution Time-of-Flight Linear-Array Digital Image Sensor Using Time-Domain Feedback. Sensors 21 (2) (2021)
Kazuki Kobayashi, Takashi Komuro, Keiichiro Kagawa, Shoji Kawahito
Transmission of correct gaze direction in video conferencing using screen-embedded cameras. Multim. Tools Appl. 80 (21) (2021)
Kazuki Kobayashi, Takashi Komuro, Keiichiro Kagawa, Shoji Kawahito
Correction to: Transmission of correct gaze direction in video conferencing using screen-embedded cameras. Multim. Tools Appl. 80 (21) (2021)
Yuya Shirakawa, Keita Yasutomi, Keiichiro Kagawa, Satoshi Aoyama, Shoji Kawahito
An 8-Tap CMOS Lock-In Pixel Image Sensor for Short-Pulse Time-of-Flight Measurements. Sensors 20 (4) (2020)
Sanggwon Lee, Keita Yasutomi, Masato Morita, Hodaka Kawanishi, Shoji Kawahito
A Time-of-Flight Range Sensor Using Four-Tap Lock-In Pixels with High near Infrared Sensitivity for LiDAR Applications. Sensors 20 (1) (2020)
Hiromasa Oku, Kazuki Yamato, Yusuke Tanaka, Keita Yasutomi, Shoji Kawahito
Simulfocus imaging: quasi-simultaneous multi-focus imaging using Lock-in Pixel imager and TAG lens. SIGGRAPH Emerging Technologies (2020)
Kohei Tomioka, Toshio Yasue, Ryohei Funatsu, Kodai Kikuchi, Tomoki Matsubara, Takayuki Yamashita, Shoji Kawahito
Noise Reduction Effect of Folding-integration ADC in an 8K Image Sensor driven at Various Frame Rates. IEEE SENSORS (2020)
Yoshio Matsuda, Takashi Komuro, Takuya Yoda, Hajime Nagahara, Shoji Kawahito, Keiichiro Kagawa
Palm-Controlled Pointing Interface Using a Dynamic Photometric Stereo Camera. HCI (48) (2020)
Miguel Heredia Conde, Keiichiro Kagawa, Tomoya Kokado, Shoji Kawahito, Otmar Loffeld
Single-Shot Real-Time Multiple-Path Time-of-Flight Depth Imaging for Multi-Aperture and Macro-Pixel Sensors. ICASSP (2020)
Atsutaka Miyamichi, Atsushi Ono, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
Plasmonic Color Filter Array with High Color Purity for CMOS Image Sensors. Sensors 19 (8) (2019)
Minho Lee, Min-Woong Seo, Juyeong Kim, Keita Yasutomi, Keiichiro Kagawa, Jang-Kyoo Shin, Shoji Kawahito
A Wide Dynamic Range CMOS Image Sensor with a Charge Splitting Gate and Two Storage Diodes. Sensors 19 (13) (2019)
Kohei Tomioka, Toshio Yasue, Ryohei Funatsu, Tomoki Matsubara, Tomohiko Kosugi, Sung-Wook Jun, Takashi Watanabe, Masanori Nagase, Toshiaki Kitajima, Satoshi Aoyama, Shoji Kawahito
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. IMSE (2019)
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
A Time-Resolved NIR Lock-In Pixel CMOS Image Sensor With Background Cancelling Capability for Remote Heart Rate Detection. IEEE J. Solid State Circuits 54 (4) (2019)
Genki Okada, Ryota Mitsuhashi, Keiichiro Kagawa, Shoji Kawahito, Norimichi Tsumura
Noncontact heart rate measurement using a high-sensitivity camera in a low-light environment. Artif. Life Robotics 24 (1) (2019)
Keita Yasutomi, Yushi Okura, Keiichiro Kagawa, Shoji Kawahito
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 54 (8) (2019)
Min-Woong Seo, Yuya Shirakawa, Yoshimasa Kawata, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
A Time-Resolved Four-Tap Lock-In Pixel CMOS Image Sensor for Real-Time Fluorescence Lifetime Imaging Microscopy. IEEE J. Solid State Circuits 53 (8) (2018)
Ryota Mitsuhashi, Genki Okada, Koki Kurita, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura
Noncontact pulse wave detection by two-band infrared video-based measurement on face without visible lighting. Artif. Life Robotics 23 (3) (2018)
Hiroki Kamehama, Shoji Kawahito, Sumeet Shrestha, Syunta Nakanishi, Keita Yasutomi, Ayaki Takeda, Takeshi Go Tsuru, Yasuo Arai
A Low-Noise X-ray Astronomical Silicon-On-Insulator Pixel Detector Using a Pinned Depleted Diode Structure. Sensors 18 (1) (2018)
Toshio Yasue, Kohei Tomioka, Ryohei Funatsu, Tomohiro Nakamura, Takahiro Yamasaki, Hiroshi Shimamoto, Tomohiko Kosugi, Sung-Wook Jun, Takashi Watanabe, Masanori Nagase, Toshiaki Kitajima, Satoshi Aoyama, Shoji Kawahito
A 33Mpixel CMOS imager with multi-functional 3-stage pipeline ADC for 480fps high-speed mode and 120fps low-noise mode. ISSCC (2018)
Kohei Yamada, Komazawa Akihito, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A Distance Measurement Method Using A Time-of-Flight CMOS Range Image Sensor with 4-Tap Output Pixels and Multiple Time-Windows. IMSE (2018)
Shoji Kawahito
Column-Parallel ADCs for CMOS Image Sensors and Their FoM-Based Evaluations. IEICE Trans. Electron. (7) (2018)
Ryota Mitsuhashi, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura
Dual-Band Infrared Video-Based Measurement Using Pulse Wave Maps to Analyze Heart Rate Variability. CIC (2018)
Chen Cao, Yuya Shirakawa, Leyi Tan, Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Tomohiko Kosugi, Satoshi Aoyama, Nobukazu Teranishi, Norimichi Tsumura, Shoji Kawahito
A Two-Tap NIR Lock-in Pixel CMOS Image Sensor with Background Light Cancelling Capability for Non-Contact Heart Rate Detection. VLSI Circuits (2018)
Takuya Yoda, Hajime Nagahara, Rin-Ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor. Sensors 18 (3) (2018)
Sumeet Shrestha, Shoji Kawahito, Hiroki Kamehama, Syunta Nakanishi, Keita Yasutomi, Keiichiro Kagawa, Nobukazu Teranishi, Ayaki Takeda, Takeshi Go Tsuru, Ikuo Kurachi, Yasuo Arai
A Silicon-on-Insulator-Based Dual-Gain Charge-Sensitive Pixel Detector for Low-Noise X-ray Imaging for Future Astronomical Satellite Missions. Sensors 18 (6) (2018)
Haruki Ishida, Keiichiro Kagawa, Takashi Komuro, Bo Zhang, Min-Woong Seo, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
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 18 (4) (2018)
Genki Okada, Keiichiro Kagawa, Shoji Kawahito, Norimichi Tsumura
Noncontact heart rate measurement using high sensitivity camera in low light environment. CIC (2017)
Kazuki Kobayashi, Takashi Komuro, Bo Zhang, Keiichiro Kagawa, Shoji Kawahito
A gaze-preserving group video conference system using screen-embedded cameras. VRST (2017)
Min-Woong Seo, Yuya Shirakawa, Yuriko Masuda, Yoshimasa Kawata, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
4.3 A programmable sub-nanosecond time-gated 4-tap lock-in pixel CMOS image sensor for real-time fluorescence lifetime imaging microscopy. ISSCC (2017)
Min-Woong Seo, Tongxi Wang, Sung-Wook Jun, Tomoyuki Akahori, Shoji Kawahito
rms read-noise 32fps 0.5Mpixel high-sensitivity RG-less-pixel CMOS image sensor using bootstrapping reset. ISSCC (2017)
Yuki Morikawa, Keita Yasutomi, Shoma Imanishi, Taishi Takasawa, Keiichiro Kagawa, Nobukazu Teranishi, Shoji Kawahito
A Lateral Electric Field charge Modulator with Bipolar-gates for Time-resolved Imaging. IMSE (2017)
Kamel Mars, Lioe De Xing, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa, Takahiro Yamada, Mamoru Hashimoto
Label-Free Biomedical Imaging Using High-Speed Lock-In Pixel Sensor for Stimulated Raman Scattering. Sensors 17 (11) (2017)
Min-Woong Seo, Shoji Kawahito
Development of a two-tap time-resolved CMOS lock-in pixel image sensor with high charge storability and low temporal noise. BioCAS (2017)
Tongxi Wang, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
A 19-bit column-parallel folding-integration/cyclic cascaded ADC with a pre-charging technique for CMOS image sensors. IEICE Electron. Express 14 (2) (2017)
Haruki Ishida, Keiichiro Kagawa, Min-Woong Seo, Takashi Komuro, Bo Zhang, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
RTS and photon shot noise reduction based on maximum likelihood estimate with multi-aperture optics and semi-photon-counting-level CMOS image sensors. IMSE (2017)
Min-Woong Seo, Shoji Kawahito
A 7 ke-SD-FWC 1.2 e-RMS Temporal Random Noise 128×256 Time-Resolved CMOS Image Sensor With Two In-Pixel SDs for Biomedical Applications. IEEE Trans. Biomed. Circuits Syst. 11 (6) (2017)
Ryota Mitsuhashi, Genki Okada, Koki Kurita, Keiichiro Kagawa, Shoji Kawahito, Chawan Koopipat, Norimichi Tsumura
Two-Band Infrared Video-Based Measurement for Non-Contact Pulse Wave Detection on Face without Visible Lighting. CIC (2017)
Takuya Yoda, Hajime Nagahara, Rin-Ichiro Taniguchi, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
Dynamic photometric stereo method using multi-tap CMOS image sensor. ICPR (2016)
Shoji Kawahito, Min-Woong Seo
Noise Reduction Effect of Multiple-Sampling-Based Signal-Readout Circuits for Ultra-Low Noise CMOS Image Sensors. Sensors 16 (11) (2016)
Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Yoshimasa Kawata, Nobukazu Teranishi, Zhuo Li, Izhal Abdul Halin, Shoji Kawahito
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 51 (1) (2016)
Taichi Kasigao, Sang-Man Han, Hanh Trang, Taishi Takasawa, Satoshi Aoyama, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A Time-of-Flight CMOS Range Image Sensor Using 4-Tap Output Pixels with Lateral-Electric-Field Control. IMSE (2016)
Toshiki Arai, Toshio Yasue, Kazuya Kitamura, Hiroshi Shimamoto, Tomohiko Kosugi, Sung-Wook Jun, Satoshi Aoyama, Ming-Chieh Hsu, Yuichiro Yamashita, Hirofumi Sumi, Shoji Kawahito
6.9 A 1.1µm 33Mpixel 240fps 3D-stacked CMOS image sensor with 3-stage cyclic-based analog-to-digital converters. ISSCC (2016)
Min-Woong Seo, Yuya Shirakawa, Keiichiro Kagawa, Keita Yasutomi, Yoshimasa Kawata, Nobukazu Teranishi, Shoji Kawahito
A high time-resolution two-tap CMOS lock-in pixel image sensor for time-resolved measurements and its applications. BioCAS (2016)
Hanh Trang, Taichi Kasugai, Keigo Isobe, Sang-Man Han, Taichi Takasawa, Xing Lioe De, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
Design, implementation and evaluation of a TOF range image sensor using multi-tap lock-in pixels with cascaded charge draining and modulating gates. IMSE (2016)
Bilal I. Abdulrazzaq, Omar J. Ibrahim, Shoji Kawahito, Roslina Mohd Sidek, Suhaidi Shafie, Nurul Amziah Md Yunus, Lini Lee, Izhal Abdul Halin
Design of a Sub-Picosecond Jitter with Adjustable-Range CMOS Delay-Locked Loop for High-Speed and Low-Power Applications. Sensors 16 (10) (2016)
Lioe De Xing, Kamel Mars, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa, Takahiro Yamada, Mamoru Hashimoto
A Stimulated Raman Scattering CMOS Pixel Using a High-Speed Charge Modulator and Lock-in Amplifier. Sensors 16 (4) (2016)
Tongxi Wang, Shoji Kawahito
A variable-threshold voltage technique to enhance the linearity of folding-integration/cyclic cascaded ADCs. I2MTC (2016)
Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Taishi Takasawa, Yoshimasa Kawata, Nobukazu Teranishi, Zhuo Li, Izhal Abdul Halin, Shoji Kawahito
11.2 A 10.8ps-time-resolution 256×512 image sensor with 2-Tap true-CDS lock-in pixels for fluorescence lifetime imaging. ISSCC (2015)
Futa Mochizuki, Keiichiro Kagawa, Shin-ichiro Okihara, Min-Woong Seo, Bo Zhang, Taishi Takasawa, Keita Yasutomi, Shoji Kawahito
6.4 Single-shot 200Mfps 5×3-aperture compressive CMOS imager. ISSCC (2015)
Lianghua Miao, Keita Yasutomi, Shoma Imanishi, Shoji Kawahito
A column-parallel clock skew self-calibration circuit for time-resolved CMOS image sensors. IEICE Electron. Express 12 (24) (2015)
Bo Zhang, Keiichiro Kagawa, Taishi Takasawa, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
A high-sensitivity 2x2 multi-aperture color camera based on selective averaging. IMSE (2015)
Tongxi Wang, Amin M. R. Khandaker, Keita Yasutomi, Shoji Kawahito
A digital calibration technique for folding-integration/cyclic cascaded ADCs. MWSCAS (2015)
Masashi Ozaki, Keiichiro Kagawa, Hidenobu Arimoto, Yoko Kominami, Yoji Sanomura, Shigeto Yoshida, Min-Woong Seo, Shoji Kawahito, Shinji Tanaka
Spectral study of metabolism-based autofluorescence and white-light reflectance for endoscopic tumor imaging. EMBC (2015)
Jun Yonai, Toshio Yasue, Kazuya Kitamura, Tetsuya Hayashida, Toshihisa Watabe, Hiroshi Shimamoto, Shoji Kawahito
Experiment on digital CDS with 33-M pixel 120-fps super hi-vision image sensor. IMSE (2014)
Yuki Kamikubo, Minoru Watanabe, Shoji Kawahito
Image recognition system using an optical Fourier transform on a dynamically reconfigurable vision architecture. ISCAS (2014)
Han Sang Man, Taishi Takasawa, Tomoyuki Akahori, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
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 (2014)
Yuki Goto, Isamu Takai, Takaya Yamazato, Hiraku Okada, Akitoshi Fujii, Shoji Kawahito, Shintaro Arai, Tomohiro Yendo, Koji Kamakura
BER characteristic of optical-OFDM using OCI. APCCAS (2014)
Kamel Mars, Beak Guseul, Sang-Man Han, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Mamoru Hashimoto, Shoji Kawahito
A stimulated Raman scattering imager using high-speed lateral electric field modulator and lock-in pixels amplifiers. IMSE (2014)
Min-Woong Seo, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A high fill-factor low dark leakage CMOS image sensor with shared-pixel design. IMSE (2014)
Kamel Mars, Ken Egawa, Lioe De Xing, Han Sang Man, Taishi Takasawa, Keita Yasutomi, Keiichiro Kagawa, Mamoru Hashimoto, Shoji Kawahito
Lock-in pixels readout circuit using a high speed lateral electric field modulator with differential charge accumulation for stimulated Raman scattering imager. NEWCAS (2014)
Zhiheng Wei, Keita Yasutomi, Shoji Kawahito
Extremely small differential non-linearity in a DMOS capacitor based cyclic ADC for CMOS image sensors. IEICE Electron. Express 11 (20) (2014)
Takahiro Usui, Keita Yasutomi, Sang-Man Han, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
An indirect time-of-flight measurement technique for sub-mm range resolution using impulse photocurrent response. IMSE (2014)
Takaya Yamazato, Isamu Takai, Hiraku Okada, Toshiaki Fujii, Tomohiro Yendo, Shintaro Arai, Michinori Andoh, Tomohisa Harada, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
Image-sensor-based visible light communication for automotive applications. IEEE Commun. Mag. 52 (7) (2014)
Bo Zhang, Keiichiro Kagawa, Taishi Takasawa, Min-Woong Seo, Keita Yasutomi, Shoji Kawahito
RTS Noise and Dark Current White Defects Reduction Using Selective Averaging Based on a Multi-Aperture System. Sensors 14 (1) (2014)
Keita Yasutomi, Sang-Man Han, Min-Woong Seo, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
A time-resolved image sensor for tubeless streak cameras. IMSE (2014)
Sang-Man Han, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A CMOS time-of-flight range image sensor using draining only modulation structure. IMSE (2014)
Keita Yasutomi, Takahiro Usui, Han Sang Man, Taishi Takasawa, Keiichiro Kagawa, Shoji Kawahito
7.5 A 0.3mm-resolution Time-of-Flight CMOS range imager with column-gating clock-skew calibration. ISSCC (2014)
Robert Johansson, Shoji Kawahito
Session 27 overview: Image sensors. ISSCC (2013)
Yoshimasa Kagawa, Bo Zhang, Min-Woong Seo, Shoji Kawahito, Yoko Kominami, Kenji Yamada, Shigeto Yoshida, Shinji Tanaka
Dual-band multi-aperture enhanced redox imaging of colonic adenomas for endoscopes with a high-performance CMOS imager. EMBC (2013)
Zhiheng Wei, Shoji Kawahito
A digital calibration technique for cyclic ADCs using MOS capacitors. I2MTC (2013)
Min-Woong Seo, Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito
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 (2013)
Sung-Wook Jun, Lianghua Miao, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
Design of a Digitally Error-Corrected Pipeline ADC Using Incomplete Settling of Pre-Charged Residue Amplifiers. IEICE Trans. Electron. (6) (2013)
Yuki Kamikubo, Minoru Watanabe, Shoji Kawahito
Image recognition operation on a dynamically reconfigurable vison architecture. FPL (2013)
Mohd Amrallah Mustafa, Min-Woong Seo, Shoji Kawahito, Keita Yasutomi, Keiichiro Kagawa
RTS noise reduction of CMOS image sensors using amplifier-selection pixels. IEICE Electron. Express 10 (15) (2013)
Keiichiro Kagawa, Rui Shogenji, Eiji Tanaka, Kenji Yamada, Shoji Kawahito, Jun Tanida
Variable field-of-view visible and near-infrared polarization compound-eye endoscope. EMBC (2012)
Kamel Mars, Shoji Kawahito
Response-Time Acceleration of a Frontend Amplifier for High Output Impedance Sensors. IEICE Trans. Electron. (9) (2012)
Min-Woong Seo, An Wang, Zhuo Li, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A CMOS imager using focal-plane pinhole effect for confocal multibeam scanning microscopy. Sensors, Cameras, and Systems for Industrial and Scientific Applications (2012)
Min-Woong Seo, Sungho Suh, Tetsuya Iida, Taishi Takasawa, Keigo Isobe, Takashi Watanabe, Shinya Itoh, Keita Yasutomi, Shoji Kawahito
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 47 (1) (2012)
Kaita Imai, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito
A distributed ramp signal generator of column-parallel single-slope ADCs for CMOS image sensors. IEICE Electron. Express 9 (24) (2012)
Yuki Kamikubo, Minoru Watanabe, Shoji Kawahito
Gray-level image recognition on a dynamically reconfigurable vision architecture. SoCC (2012)
Kamel Mars, Shoji Kawahito
A single-ended CMOS chopper amplifier for 1/f noise reduction of n-channel MOS transistors. IEICE Electron. Express 9 (2) (2012)
Toshihisa Watabe, Kazuya Kitamura, Takehide Sawamoto, Tomohiko Kosugi, Tomoyuki Akahori, Tetsuya Iida, Keigo Isobe, Takashi Watanabe, Hiroshi Shimamoto, Hiroshi Ohtake, Satoshi Aoyama, Shoji Kawahito, Norifumi Egami
A 33Mpixel 120fps CMOS image sensor using 12b column-parallel pipelined cyclic ADCs. ISSCC (2012)
Zhuo Li, Keita Yasutomi, Taishi Takasawa, Shinya Itoh, Shoji Kawahito
A CMOS image sensor with draining only modulation pixels for fluorescence lifetime imaging. Sensors, Cameras, and Systems for Industrial, Scientific, and Consumer Applications (2011)
Izhal Abdul Halin, Amad ud Din, Ishaq b. Aris, Maryam bt. Mohd Isa, Suhaidi Shafie, Shoji Kawahito
Selection of amplifier for optimized charge transfer in active pixel CMOS time of flight (TOF) image sensors. IEICE Electron. Express 8 (22) (2011)
M. Shakowat Zaman Sarker, Shinya Itoh, Moeta Hamai, Isamu Takai, Michinori Andoh, Keita Yasutomi, Shoji Kawahito
Design and Implementation of A CMOS Light Pulse Receiver Cell Array for Spatial Optical Communications. Sensors 11 (2) (2011)
Shoji Kawahito
Foreword. IEICE Trans. Electron. (6) (2011)
Min-Woong Seo, Sungho Suh, Tetsuya Iida, Hiroshi Watanabe, Taishi Takasawa, Tomoyuki Akahori, Keigo Isobe, Takashi Watanabe, Shinya Itoh, Shoji Kawahito
An 80μVrms-temporal-noise 82dB-dynamic-range CMOS Image Sensor with a 13-to-19b variable-resolution column-parallel folding-integration/cyclic ADC. ISSCC (2011)
Johannes Solhusvik, Jung-Chak Ahn, Jan T. Bosiers, Boyd Fowler, Makoto Ikeda, Shoji Kawahito, Jerry Lin, Dan McGrath, Katsu Nakamura, Jun Ohta, Ramchan Woo
High-speed image sensor technologies. ISSCC (2010)
Keita Yasutomi, Shinya Itoh, Shoji Kawahito
A 2.7e- temporal noise 99.7% shutter efficiency 92dB dynamic range CMOS image sensor with dual global shutter pixels. ISSCC (2010)
Kamel Mars, Shoji Kawahito
Low-noise readout circuits with a response time acceleration technique for high output impedance sensors. APCCAS (2010)

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Publication Activity (10 Years)

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Shoji Kawahito