| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 3DMT, IDY, IST [detail] |
2019-12-20
13:00 |
Aichi |
NHK Nagoya Station |
[Invited Talk]
8K/240p slow motion imaging system
Takayuki Yamashita, Ryohei Funatsu, Toshio Yasue, Kodai Kikuchi, Kohei Tomioka, Tomoki Matsubara (NHK) |
[more] |
IST2019-59 IDY2019-59 3DIT2019-34
pp.1-6 |
| IST |
2019-03-22
10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
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
Kohei Tomioka, Kohei Tomioka, Yasue Toshio, Ryohei Funatsu, Tomoki Matsubara (NHK STRL), Tomohiko Kosugi, Sungwook Jun, Takashi Watanabe, Masanori Nagase, Toshiaki Kitajima, Satoshi Aoyama (Brookman Technology), Shoji Kawahito (Shizuoka University) |
This study investigated the noise suppression effect of multiple sampling applied to a 3-stage pipeline analog-to-digita... [more] |
IST2019-14
pp.11-16 |
| IST |
2018-03-09
11:20 |
Tokyo |
NHK Housou-Gijyutu Lab. |
A 2.1μm 33Mpixel CMOS imager with multi-functional 3-stage pipeline ADC for 480fps high-speed mode and 120fps low-noise mode
Kohei Tomioka, Toshio Yasue, Ryohei Funatsu, Tomohiro Nakamura (NHK STR), Takahiro Yamasaki (NHK Engineering Administration Department), Hiroshi Shimamoto (NHK STR), Tomohiko Kosugi, Sungwook Jun, Takashi Watanabe, Masanori Nagase, Toshiaki Kitajima, Satoshi Aoyama (Brookman Technology), Shoji Kawahito (Shizuoka University) |
A 2.1μm 33Mpixel CMOS for 8K video is described. A novel column parallel 3-stage pipeline ADC composed of FI (Folding-In... [more] |
IST2018-15
pp.17-20 |
| 3DMT, IDY, IST [detail] |
2017-11-30
16:35 |
Kanagawa |
|
Development of prototype 8K camcorder for functional evaluation
Ryohei Funatsu, Takeshi Kajiyama, Tomoki Matsubara, Hiroshi Shimamoto (NHK) |
For efficient 8K program production, we have developed a prototype 8K camcorder to evaluate the performance and workflow... [more] |
IST2017-75 IDY2017-54 3DIT2017-45
pp.31-34 |
| BCT, IEEE-BT, HOKKAIDO [detail] |
2016-07-28
15:45 |
Hokkaido |
Hokkaido Univ. |
8K UHDTV-HDR Live Program Production
-- Prototype System and Trial Production --
Daiichi Koide, Takayuki Yamashita, Ryohei Funatsu, Noriyuki Shirai, Yoshitaka Ikeda, Yukihiro Nishida, Tetsuomi Ikeda (NHK) |
We constructed a live-program-production system for 8K with high dynamic range (HDR) using Hybrid Log-Gamma (HLG) format... [more] |
BCT2016-58
pp.21-24 |
| 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 |
2016-05-06
13:05 |
Tokyo |
|
[Poster Presentation]
A study on auto focus for 8K camera using on sensor phase-difference detection
Takahiro Yamasaki, Ryohei Funatsu, Tomohiro Nakamura, Tetsuya Hayashida, Hiroshi shimamoto (NHK) |
It is not easy to adjust 8K camera's focus precisely. To resolve this problem, we are researching for on sensor phase-di... [more] |
IST2016-21
pp.1-4 |
| IST |
2015-03-27
16:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Development of 133Mpixel 60fps CMOS Image Sensor using 32-Column Shared High-Speed SAR ADCs
Ryohei Funatsu (NHK), Steven Huang (Forza Silicon), Takayuki Yamashita, Takuji Soeno, Tomohiro Nakamura, Tetsuya Hayashida, Hiroshi Shimamoto (NHK), Barmak Mansoorian (Forza Silicon) |
We have developed a 133Mpixel 60fps CMOS image sensor to realize a compact, full-resolution single-chip 8K Super Hi-Visi... [more] |
IST2015-23
pp.53-56 |
| 3DMT, IDY, IST |
2013-10-23
15:00 |
Tokyo |
|
[Invited Talk]
System Configuration of Integral 3D Television based on UHDTV System
Takayuki Yamashita, Jun Arai, Ryohei Funatsu (NHK) |
Ultrahigh definition television (UHDTV) system is effective to apply for development of integral three-dimensional (3D) ... [more] |
IST2013-59 IDY2013-45 3DIT2013-45
pp.17-22 |
| IST |
2011-09-30
15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Prototype Compact Super Hi-Vision Camera Head Using a 33-M-pixel Color CMOS Image Sensor
Ryohei Funatsu, Takuji Soeno, Kohei Omura, Takayuki Yamashita, Masayuki Sugawara (NHK) |
We have developed a prototype compact Super Hi-Vision (SHV) camera head using a 33-M-pixel color CMOS image sensor. This... [more] |
IST2011-55
pp.17-20 |
| IST, CE |
2010-03-26
14:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Super Hi-Vision Single-chip Color Imaging Experiments Using a 33-M-pixel CMOS Image Sensor
Ryohei Funatsu, Takayuki Yamashita, Kohji Mitani, Yuji Nojiri (NHK) |
Single-chip color imaging is one of the practical method to realize a compact Super Hi-Vision (SHV) camera. We have deve... [more] |
IST2010-17 CE2010-26
pp.43-46 |
| IST, DEEP |
2008-11-14
15:30 |
Tokyo |
NHK STRL |
Experiments for capturing the full-resolution images of Super Hi-Vision
Takayuki Yamashita, Ryohei Funatsu, Kohji Mitani, Yuji Nojiri (NHK) |
We have developed an experimental color image pickup system for ultrahigh definition TV (Super Hi-Vision) with three 33M... [more] |
IST2008-77
pp.13-16 |