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ORCIDRyohei Funatsu
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2020 – today
- 2020
[c14]Kodai Kikuchi, Ryohei Funatsu, Toshio Yasue, Kohei Tomioka, Tomoki Matsubara, Takayuki Yamashita:
Multi-Plane Phase Detection Autofocus for 8K Three-Chip Color Imaging Cameras. GCCE 2020: 660-662- [c13]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: 1-4
2010 – 2019
- 2019
- [c12]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: 1-7 - 2018
- [c11]Ryohei Funatsu, Takeshi Kajiyama, Tomoki Matsubara, Hiroshi Shimamoto:
Experimental prototype of SD memory card recordable 8K/60P camcorder. ICCE 2018: 1-2 - [c10]Takahiro Yamasaki, Tomohiro Nakamura, Ryohei Funatsu, Hiroshi Shimamoto:
Hybrid autofocus system by using a combination of the sensor-based phase-difference detection and focus-aid signal. ICCE 2018: 1-2 - [c9]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: 90-92 - 2017
- [j2]Jun Arai
, Eisuke Nakasu, Takayuki Yamashita, Hitoshi Hiura, Masato Miura, Tomohiro Nakamura, Ryohei Funatsu:
Progress Overview of Capturing Method for Integral 3-D Imaging Displays. Proc. IEEE 105(5): 837-849 (2017) - [c8]Tomohiro Nakamura, Takahiro Yamasaki, Ryohei Funatsu, Hiroshi Shimamoto:
A full-resolution 8K single-chip portable camera system. IMSE 2017: 18-24 - [c7]Ryohei Funatsu, Kazuya Kitamura, Toshio Yasue, Daiichi Koide, Hiroshi Shimamoto:
Development and Image Quality Evaluation of 8K High Dynamic Range Cameras with Hybrid Log-Gamma. IQSP 2017: 152-158 - 2016
- [c6]Ryohei Funatsu, Hiroyasu Masuda, Shinichiro Nakamura, Takayuki Yamashita, Hiroshi Shimamoto:
High-visibility focus-aid signal for ultra-high-definition television cameras using maximum value filter with sparse noise reduction. BMSB 2016: 1-6 - [c5]Tomohiro Nakamura, Ryohei Funatsu, Takahiro Yamasaki, Kazuya Kitamura, Hiroshi Shimamoto:
Development of an 8K full-resolution single-chip color image acquisition system. IMSE 2016: 1-7 - 2015
- [c4]Ryohei Funatsu, Steven Huang, Takayuki Yamashita, Kevin Stevulak, Jeff Rysinski, David Estrada, Shi Yan, Takuji Soeno, Tomohiro Nakamura, Tetsuya Hayashida, Hiroshi Shimamoto, Barmak Mansoorian:
6.2 133Mpixel 60fps CMOS image sensor with 32-column shared high-speed column-parallel SAR ADCs. ISSCC 2015: 1-3 - 2014
- [j1]Satohiro Tajima, Ryohei Funatsu, Yukihiro Nishida:
Chromatic interpolation based on anisotropy-scale-mixture statistics. Signal Process. 97: 262-268 (2014) - 2013
- [c3]Takuji Soeno, Kohei Omura, Takayuki Yamashita, Ryohei Funatsu, Masayuki Sugawara, Makoto Okui:
A 33M-pixel wide color gamut image capturing system using four CMOS image sensors at 120 Hz. Sensors, Cameras, and Systems for Industrial and Scientific Applications 2013: 865909 - 2011
- [c2]Ryohei Funatsu, Takayuki Yamashita, Kohji Mitani, Yuji Nojiri:
Single-chip color imaging for UHDTV camera with a 33M-pixel CMOS image sensor. Sensors, Cameras, and Systems for Industrial, Scientific, and Consumer Applications 2011: 787502
2000 – 2009
- 2007
- [c1]Hiroshi Shimamoto, Takayuki Yamashita, Ryohei Funatsu, Kohji Mitani, Yuji Nojiri:
Characteristics of experimental single-chip color HDTV image acquisition system with 8M-pixel image sensor. Digital Photography 2007: 65020Q
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