Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IE |
2019-06-21 14:30 |
Okinawa |
|
Image Quality Evaluation of 8K120Hz HEVC Encoder Shinya Iwasaki (NHK), Xuying Lei (FJL), Kazuhiro Chida, Yasuko Sugito, Kazuhisa Iguchi, Kikufumi Kanda (NHK), Hidenobu Miyoshi, Yoshifumi Uehara (FJL) IE2019-20 |
We developed 8K 119.88-Hz (120-Hz) encoder to transmit videos with smoother motions. To evaluate the image quality impro... [more] |
IE2019-20 pp.19-24 |
ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] |
2014-02-18 12:00 |
Hokkaido |
Hokkaido Univ. |
Computational complexity reduction method of HEVC/H.265 based on GOP structures Kazuhiro Chida, Kazuhisa Iguchi, Yasuko Sugito, Atsuro Ichigaya, Shinichi Sakaida (NHK) ITS2013-59 IE2013-124 |
HEVC/H.265 is intended to provide significantly better coding performance than existing video coding system. However, it... [more] |
ITS2013-59 IE2013-124 pp.171-174 |
RCS, SAT (Joint) |
2011-08-25 15:35 |
Niigata |
Niigata Univ. |
[Requested talk] Development of High Performance Video Codec for Super Hi-Vision Shinichi Sakaida, Kazuhisa Iguchi, Yoshiaki Shishikui (NHK), Kimihiko Kazui, Akira Nakagawa (FUJITSU LABORATORIES LTD.) SAT2011-27 RCS2011-122 |
The Super Hi-Vision (SHV) is an ultra high-definition video system with 4,000 scanning lines. Its video format is 7,680 ... [more] |
SAT2011-27 RCS2011-122 pp.61-66 |
IE, ITE-ME, ITE-CE [detail] |
2011-07-25 16:00 |
Osaka |
|
A study on image coding with self-reference super-resolution Takahiro Toyoda, Kazuhisa Iguchi, Shinichi Sakaida, Yoshiaki Shishikui (NHK) IE2011-42 |
[more] |
IE2011-42 pp.25-30 |
IE, ITE-ME, ITE-CE [detail] |
2010-07-27 13:25 |
Kagoshima |
|
A Not-Reference Type PSNR/SSIM Estimation Method applied to H.264/AVC Bitstream Keigo Muto, Masaru Takeuchi, Jiro Katto (Waseda Univ.), Shinichi Sakaida, Kazuhisa Iguchi (NHK) IE2010-58 |
This paper proposes a no-reference type PSNR/SSIM estimation method applied to compressed image sequences. The proposal ... [more] |
IE2010-58 pp.77-81 |
ITE-AIT, IE, ITE-HI, ITE-ME, ITS |
2010-02-16 10:25 |
Hokkaido |
Graduate School of Information and Technology, Hokkaido Univ. |
Performance Improvement of the Distortion Reduction Method using Frame Mixture of Intra-Coded Moving Pictures Yusuke Arai, Keigo Muto, Jiro Katto (Waseda Univ.), Shinichi Sakaida, Kazuhisa Iguchi (NHK) ITS2009-61 IE2009-155 |
This paper presents denoising methods which use motion estimation and quantization range restriction for Motion JPEG. In... [more] |
ITS2009-61 IE2009-155 pp.137-140 |
SIP, IE, IPSJ-SLDM [detail] |
2009-10-15 15:00 |
Fukui |
Awara Onsen "Matsuya Sensen" |
A Method for Improving Picture Quality of Irreversibly Encoded Sub-Sampling Pictures Makoto Tadenuma, Kazuhisa Iguchi (NHK) SIP2009-61 IE2009-86 |
Unprocessed luminance component of the pictures, which are picked up by current Super Hi-Vision cameras or single imagin... [more] |
SIP2009-61 IE2009-86 pp.29-34 |
ITE-BCT, IE, CS, IPSJ-AVM |
2008-12-12 13:05 |
Aichi |
Nagoya University |
Denoising Method Using Motion Estimation and Quantization Restriction for Motion JPEG Yusuke Arai, Shusei Itagaki, Jiro Katto (Waseda Univ.), Shinichi Sakaida, Kazuhisa Iguchi, Seiichi Gohshi (NHK) |
This paper presents a new denoising method which uses motion estimation and quantization restriction for Motion JPEG. Af... [more] |
CS2008-54 IE2008-118 pp.87-91 |
ITE-BCT, IE, CS, IPSJ-AVM |
2008-12-12 13:30 |
Aichi |
Nagoya University |
A Study on Picture Quality Improvement by using Multiply Encoded Intra-coded Video Shusei Itagaki, Yusuke Arai (Waseda Univ.), Shinichi Sakaida, Kazuhisa Iguchi, Seiichi Gohshi (NHK), Jiro Katto (Waseda Univ.) |
In this paper, we apply the fact that the image quality can be improved by synthesizing images to design of a new video ... [more] |
CS2008-55 IE2008-119 pp.93-98 |
IE, IPSJ-AVM, CS, ITE-BCT |
2007-12-13 16:10 |
Aichi |
Nagoya Univ. |
A Study on Picture Quality Enhancement using Additional Information Junya Suzuki, Shusei Itagaki (Waseda Univ.), Shinichi Sakaida, Kazuhisa Iguchi (NHK), Jiro Katto (Waseda Univ.) |
This paper presents a new video coding method which improves PSNR of decoded pictures by using additional information. F... [more] |
CS2007-38 IE2007-121 pp.51-56 |
IE, CQ, LOIS, ITE-ME, IEE-CMN |
2006-09-14 13:00 |
Ehime |
|
Subjective Quality Evaluation for Coded Video of Mobile Digital Terrestrial Broadcasting Nao Nakajima, Kazuhisa Iguchi, Shinichi Sakaida, Seiichi Gohshi (NHK) CQ2006-41 OIS2006-28 IE2006-43 |
[more] |
CQ2006-41 OIS2006-28 IE2006-43 pp.37-42 |