Keiichiro Kagawa

According to our database1, Keiichiro Kagawa authored at least 80 papers between 1999 and 2023.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

Legend:

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In proceedings 
Article 
PhD thesis 
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Links

On csauthors.net:

Bibliography

2023
Depth Quality Improvement with a 607 MHz Time-Compressive Computational Pseudo-dToF CMOS Image Sensor.
Sensors, December, 2023

A Time-of-Flight Image Sensor Using 8-Tap P-N Junction Demodulator Pixels.
Sensors, 2023

Spatio-Temporal Super-Resolution for CS-Based ToF 3D Imaging.
Proceedings of the 31st European Signal Processing Conference, 2023

2022
A Dual-Mode 303-Megaframes-per-Second Charge-Domain Time-Compressive Computational CMOS Image Sensor.
Sensors, 2022

Resolving Multi-Path Interference in Compressive Time-of-Flight Depth Imaging with a Multi-Tap Macro-Pixel Computational CMOS Image Sensor.
Sensors, 2022

Computational ultrafast CMOS image sensors.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

A 38µm Range Precision Time-of-Flight CMOS Range Line Imager with Gating Driver Jitter Reduction Using Charge-Injection Pseudo Photocurrent Reference.
Proceedings of the IEEE International Solid-State Circuits Conference, 2022

2021
High-Linearity High-Resolution Time-of-Flight Linear-Array Digital Image Sensor Using Time-Domain Feedback.
Sensors, 2021

Correction to: Transmission of correct gaze direction in video conferencing using screen-embedded cameras.
Multim. Tools Appl., 2021

Transmission of correct gaze direction in video conferencing using screen-embedded cameras.
Multim. Tools Appl., 2021

2020
An 8-Tap CMOS Lock-In Pixel Image Sensor for Short-Pulse Time-of-Flight Measurements.
Sensors, 2020

Single-Shot Real-Time Multiple-Path Time-of-Flight Depth Imaging for Multi-Aperture and Macro-Pixel Sensors.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Palm-Controlled Pointing Interface Using a Dynamic Photometric Stereo Camera.
Proceedings of the HCI International 2020 - Late Breaking Posters, 2020

2019
Super Field-of-View Lensless Camera by Coded Image Sensors.
Sensors, 2019

Plasmonic Color Filter Array with High Color Purity for CMOS Image Sensors.
Sensors, 2019

A Wide Dynamic Range CMOS Image Sensor with a Charge Splitting Gate and Two Storage Diodes.
Sensors, 2019

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, 2019

A Time-Resolved NIR Lock-In Pixel CMOS Image Sensor With Background Cancelling Capability for Remote Heart Rate Detection.
IEEE J. Solid State Circuits, 2019

Noncontact heart rate measurement using a high-sensitivity camera in a low-light environment.
Artif. Life Robotics, 2019

2018
The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor.
Sensors, 2018

A Silicon-on-Insulator-Based Dual-Gain Charge-Sensitive Pixel Detector for Low-Noise X-ray Imaging for Future Astronomical Satellite Missions.
Sensors, 2018

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, 2018

A Time-Resolved Four-Tap Lock-In Pixel CMOS Image Sensor for Real-Time Fluorescence Lifetime Imaging Microscopy.
IEEE J. Solid State Circuits, 2018

Noncontact pulse wave detection by two-band infrared video-based measurement on face without visible lighting.
Artif. Life Robotics, 2018

A Two-Tap NIR Lock-in Pixel CMOS Image Sensor with Background Light Cancelling Capability for Non-Contact Heart Rate Detection.
Proceedings of the 2018 IEEE Symposium on VLSI Circuits, 2018

Dual-Band Infrared Video-Based Measurement Using Pulse Wave Maps to Analyze Heart Rate Variability.
Proceedings of the 26th Color and Imaging Conference, 2018

A Distance Measurement Method Using A Time-of-Flight CMOS Range Image Sensor with 4-Tap Output Pixels and Multiple Time-Windows.
Proceedings of the Image Sensors and Imaging Systems 2018, 2018

2017
Label-Free Biomedical Imaging Using High-Speed Lock-In Pixel Sensor for Stimulated Raman Scattering.
Sensors, 2017

A gaze-preserving group video conference system using screen-embedded cameras.
Proceedings of the 23rd ACM Symposium on Virtual Reality Software and Technology, 2017

4.3 A programmable sub-nanosecond time-gated 4-tap lock-in pixel CMOS image sensor for real-time fluorescence lifetime imaging microscopy.
Proceedings of the 2017 IEEE International Solid-State Circuits Conference, 2017

Noncontact heart rate measurement using high sensitivity camera in low light environment.
Proceedings of the 25th Color and Imaging Conference, 2017

Two-Band Infrared Video-Based Measurement for Non-Contact Pulse Wave Detection on Face without Visible Lighting.
Proceedings of the 25th Color and Imaging Conference, 2017

A Lateral Electric Field charge Modulator with Bipolar-gates for Time-resolved Imaging.
Proceedings of the Image Sensors and Imaging Systems 2017, 2017

RTS and photon shot noise reduction based on maximum likelihood estimate with multi-aperture optics and semi-photon-counting-level CMOS image sensors.
Proceedings of the Image Sensors and Imaging Systems 2017, 2017

2016
A Stimulated Raman Scattering CMOS Pixel Using a High-Speed Charge Modulator and Lock-in Amplifier.
Sensors, 2016

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, 2016

Design, implementation and evaluation of a TOF range image sensor using multi-tap lock-in pixels with cascaded charge draining and modulating gates.
Proceedings of the Image Sensors and Imaging Systems 2016, 2016

A Time-of-Flight CMOS Range Image Sensor Using 4-Tap Output Pixels with Lateral-Electric-Field Control.
Proceedings of the Image Sensors and Imaging Systems 2016, 2016

A high time-resolution two-tap CMOS lock-in pixel image sensor for time-resolved measurements and its applications.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

2015
11.2 A 10.8ps-time-resolution 256×512 image sensor with 2-Tap true-CDS lock-in pixels for fluorescence lifetime imaging.
Proceedings of the 2015 IEEE International Solid-State Circuits Conference, 2015

6.4 Single-shot 200Mfps 5×3-aperture compressive CMOS imager.
Proceedings of the 2015 IEEE International Solid-State Circuits Conference, 2015

Spectral study of metabolism-based autofluorescence and white-light reflectance for endoscopic tumor imaging.
Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

A high-sensitivity 2x2 multi-aperture color camera based on selective averaging.
Proceedings of the Image Sensors and Imaging Systems 2015, 2015

2014
RTS Noise and Dark Current White Defects Reduction Using Selective Averaging Based on a Multi-Aperture System.
Sensors, 2014

Image-sensor-based visible light communication for automotive applications.
IEEE Commun. Mag., 2014

Lock-in pixels readout circuit using a high speed lateral electric field modulator with differential charge accumulation for stimulated Raman scattering imager.
Proceedings of the IEEE 12th International New Circuits and Systems Conference, 2014

7.5 A 0.3mm-resolution Time-of-Flight CMOS range imager with column-gating clock-skew calibration.
Proceedings of the 2014 IEEE International Conference on Solid-State Circuits Conference, 2014

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.
Proceedings of the 2014 IEEE International Conference on Solid-State Circuits Conference, 2014

A time-resolved image sensor for tubeless streak cameras.
Proceedings of the Image Sensors and Imaging Systems 2014, 2014

An indirect time-of-flight measurement technique for sub-mm range resolution using impulse photocurrent response.
Proceedings of the Image Sensors and Imaging Systems 2014, 2014

A high fill-factor low dark leakage CMOS image sensor with shared-pixel design.
Proceedings of the Image Sensors and Imaging Systems 2014, 2014

A stimulated Raman scattering imager using high-speed lateral electric field modulator and lock-in pixels amplifiers.
Proceedings of the Image Sensors and Imaging Systems 2014, 2014

A CMOS time-of-flight range image sensor using draining only modulation structure.
Proceedings of the Image Sensors and Imaging Systems 2014, 2014

2013
Realization of Secure Ambient Wireless Network System Based on Spatially Distributed Ciphering Function.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Design of a Digitally Error-Corrected Pipeline ADC Using Incomplete Settling of Pre-Charged Residue Amplifiers.
IEICE Trans. Electron., 2013

RTS noise reduction of CMOS image sensors using amplifier-selection pixels.
IEICE Electron. Express, 2013

A custom CMOS imager for multi-beam laser scanning microscopy and an improvement of scanning speed.
Proceedings of the Sensors, 2013

2012
A distributed ramp signal generator of column-parallel single-slope ADCs for CMOS image sensors.
IEICE Electron. Express, 2012

Toward large-scale and dynamic social network analysis with heterogeneous sensors in ambient environment.
Proceedings of the 2012 IEEE Virtual Reality, 2012

Ambient Suite: Room-shaped information environment for interpersonal communication.
Proceedings of the 2012 IEEE Virtual Reality, 2012

Variable field-of-view visible and near-infrared polarization compound-eye endoscope.
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

A CMOS imager using focal-plane pinhole effect for confocal multibeam scanning microscopy.
Proceedings of the Sensors, 2012

2011
Quasi-realtime social network construction with heterogeneous sensors in ambient environment.
Proceedings of the 8th International Conference on Advances in Computer Entertainment Technology, 2011

Ambient Suite: enhancing communication among multiple participants.
Proceedings of the 8th International Conference on Advances in Computer Entertainment Technology, 2011

2008
Demonstration of Wide-angle Beam Steering Optics in Wavelength-division-multiplexing Indoor Optical Wireless LAN with Dedicated CMOS Imager.
Proceedings of the 3rd International ICST Conference on Bio-Inspired Models of Network, 2008

2007
Preliminary Demonstration of 1.0 V CMOS Imager with Semi-Pixel-Level ADC Based on Pulse-Width-Modulation Pixel Readout.
IEICE Trans. Electron., 2007

A low-voltage PWM CMOS imager with small pixel size using an in-pixel gate-common comparator.
IEICE Electron. Express, 2007

A multi-microchip retinal stimulator for in vitro / in vivo experiments.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2007), 2007

2006
Pulse frequency modulation based CMOS image sensor for subretinal stimulation.
IEEE Trans. Circuits Syst. II Express Briefs, 2006

An optical and potential dual-image CMOS sensor for on-chip neural and DNA imaging applications.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Toward 1000-ch electrode array based on distributed microchip architecture for retinal prosthesis.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

A multi-chip-architecture based flexible stimulation device for retinal prosthesis with a flip-chip packaging technique.
Proceedings of the 28th International Conference of the IEEE Engineering in Medicine and Biology Society, 2006

2005
Pulse modulation CMOS image sensor for bio-fluorescence imaging applications.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

Retinal prosthesis device based on pulse-frequency-modulation vision chip.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

2004
A high-sensitive digital photosensor using MOS interface-trap charge pumping.
IEICE Electron. Express, 2004

Improvement of saturation characteristics of a frequency-demodulation CMOS image sensor.
Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor.
Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

An image-sensor-based optical receiver fabricated in a standard 0.35-µm CMOS technology for free-space optical communications.
Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

2000
Architecture Description and Prototype Demonstration of Optoelectronic Parallel-Matching Architecture.
Proceedings of the Parallel and Distributed Processing, 2000

1999
Detection of water amount on the surface of glass fibers using the transient leakage current of static electricity.
IEEE Trans. Instrum. Meas., 1999


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