| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2026-01-29
16:05 |
Fukuoka |
Kyushu Sangyo University
(Primary: On-site, Secondary: Online) |
Wide-Field High-Resolution Content Production with a Compact 8K×8K Camera
Kodai Kikuchi, Akira Honji, Kohei Tomioka, Shunsuke Kondou, Shibasaki Takeshi, Kazuya Kitamura (NHK) |
[more] |
BCT2026-9
pp.33-36 |
| IST |
2025-09-18
13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An 8.7Mpixel 240fps CMOS Image Sensor with 4 × 4 Pixel-Block Local Adaptation of Resolution, Frame Rate, and Exposure Time for Scene Adaptive Imaging
Kohei Tomioka, Kodai Kikuchi, Akira Honji, Takenobu Usui, Kazuya Kitamura (NHK), Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2025-39
pp.13-16 |
| IST |
2025-03-21
15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
A 1.25 μm 8K×8K-pixel 60 fps CIS with 2×1 Multi-Directional Phase-Detection Pixels
Kodai Kikuchi, Kohei Tomioka, Takenobu Usui, Akira Honji (NHK), Hiroshi Shimamoto (NHK Foundation), Tomonari Kenzaki, Sota Hida, Takeo Ushinaga, Kenichi Nagai (SSIC), Kazuya Kitamura (NHK) |
This paper introduces a 59.3-Mpixel 60 fps back-illuminated stacked CMOS image sensor for immersive content production. ... [more] |
IST2025-18
pp.37-41 |
| 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 |
2022-06-29
14:30 |
Online |
|
Phase-detection autofocus system for 8K three-chip imaging camera
Kodai Kikuchi, Kodai Tomioka, Toshio Yasue, Tomohiro Nakamura, Kazuya Kitamura, Takayuki Yamashita (NHK) |
We developed a phase detection autofocus (PDAF) for three-chip imaging broadcasting cameras that detects disparity betwe... [more] |
IST2022-28
pp.13-16 |
| 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 |
| BCT, IEEE-BT, HOKKAIDO [detail] |
2016-07-28
16:10 |
Hokkaido |
Hokkaido Univ. |
8K HDR cameras using Hybrid-Log-Gamma
Ryohei Funatsu, Kazuya Kitamura, Toshio Yasue, Daiichi Koide, Hiroshi Shimamoto (NHK) |
High dynamic range (HDR) broadcast is capable from the beginning of the 8K test broadcast in August 2016, and NHK is aim... [more] |
BCT2016-59
pp.25-28 |
| IST |
2016-03-11
11:40 |
Tokyo |
NHK Research Lab (Setagaya) |
A 1.1μm 33Mpixel 240fps 3D-Stacked CMOS Image Sensor with 3-Stage Cyclic-Based Analog-to-Digital Converters
Toshiki Arai, Toshio Yasue, Kazuya Kitamura, Hiroshi Shimamoto (NHK STRL), Tomohiko Kosugi, Sungwook Jun, Satoshi Aoyama (Brookman Technology), Ming-Chieh Hsu, Yuichiro Yamashita (TSMC), Hirofumi Sumi (The University of Tokyo), Shoji Kawahito (Shizuoka University) |
A 1.1μm 33Mpixel 240fps 3D-stacked CMOS image sensor with 3-stage cyclic-based ADC has been developed. The hybrid-stacki... [more] |
IST2016-12
pp.21-24 |
| IST |
2015-09-18
13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A 14-bit, 33-Mpixel, 120-fps Image Sensor with DMOS Capacitors in 90-nm/65-nm CMOS
Toshio Yasue, Kazuya Kitamura, Toshihisa Watabe, Hiroshi Shimamoto (NHK), Tomohiko Kosugi, Takashi Watanabe, Satoshi Aoyama (Brookman Technology), Makoto Monoi (Toshiba Corporation), Zhiheng Wei, Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2015-49
pp.25-28 |
| IST |
2015-09-18
13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Preliminary Experiment for Precise and Dynamic Digital Calibration for Two-Stage Cyclic ADC Suitable for 33-Mpixel 120-fps 8K Super Hi-Vision CMOS Image Sensor
Toshihisa Watabe, Kazuya Kitamura (NHK), Tomohiko Kosugi (Brookman), Hiroshi Ohtake, Hiroshi Shimamoto (NHK), Shoji Kawahito (Shizuoka Univ./Brookman) |
[more] |
IST2015-50
pp.29-32 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2015-01-30
14:05 |
Fukuoka |
Fukuoka Institute of Technology |
Full-specification 8K Super Hi-Vision reference camera
Kazuya Kitamura, Takuji Soeno, Toshio Yasue (NHK), Toshihisa Watabe (NES-ES), Shoji Kawahito (Shizuoka University), Tomohiko Kosugi (Brookman Technology), Tadaaki Yanagi, Tetsuo Yoshida (Hitachi Kokusai Electric), Takayuki Yamashita, Hiroshi Shimamoto (NHK) |
The full-specification 8K Super Hi-Vision reference camera with 7,680 (H) × 4,320 (V) resolution (8K resolution), 120-Hz... [more] |
BCT2015-24
pp.97-100 |
| IST, ME, IEICE-BioX |
2013-06-24
13:00 |
Ishikawa |
|
A 120-Hz Super Hi-Vision Image Sensor with Higher Sensitivity
Toshio Yasue, Tetsuya Hayashida, Jun Yonai (NHK), Kazuya Kitamura (NHK, Shizuoka Univ.), Toshihisa Watabe (NHK-ES, Shizuoka Univ.), Tomohiko Kosugi, Takashi Watanabe (Brookman), Hiroshi Ootake, Hiroshi Shimamoto (NHK), Shoji Kawahito (Shizuoka Univ.) |
[more] |
IST2013-28 ME2013-70
pp.1-4 |
| IST, ME, IEICE-BioX |
2013-06-24
13:30 |
Ishikawa |
|
Development of 33-Mpixel 120-fps Super Hi-Vision capture and display devices
Hiroshi Shimamoto, Kazuya Kitamura, Toshio Yasue (NHK), Tadaaki Yanagi, Tetsuo Yoshida (HiKE), Hideki Kikuchi (Link), Syoji Kawahito (Shizuoka University, Brookman Technology), Satoshi Aoyama (Brookman Technology), Norifumi Egami (Kinki University) |
[more] |
IST2013-29 ME2013-71
pp.5-8 |
| IST, CE |
2012-03-30
15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
A 33Mpixel 120fps CMOS Image Sensor Using 12bit Column-Parallel 2-Stage Pipelined Cyclic ADCs
Toshihisa Watabe, Kazuya Kitamura (NHK/Shizuoka Univ.), Takehide Sawamoto (Shizuoka Univ.), Tomohiko Kosugi, Tomoyuki Akahori, Tetsuya Iida, Keigo Isobe, Takashi Watanabe (BT), Hiroshi Shimamoto, Hiroshi Ohtake (NHK), Satoshi Aoyama (BT), Shoji Kawahito (Shizuoka Univ./BT), Norifumi Egami (NHK) |
[more] |
IST2012-13 CE2012-25
pp.31-36 |
| IST |
2010-11-19
15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Improvement of dynamic range characteristics in ultrahigh-speed CCD
Toshiki Arai, Jun Yonai, Kazuya Kitamura, Hiroshi Ootake (NHK), Tetsuya Hayashida (NES), Hirotaka Maruyama (NHK), Takeharu Goji Etoh (Kinki Univ.), Harry van Kuijk (DALSA) |
[more] |
IST2010-66
pp.25-28 |
|