Title:
精細粒度空間スケーラビリティによるビデオ符号化
Document Type and Number:
Japanese Patent JP2009523395
Kind Code:
A
Abstract:
The disclosure is directed to video coding techniques that support spatial scalability using a generalized fine granularity scalability (FGS) approach. Various degrees of spatial scalability can be achieved by sending spatially scalable enhancement layers in a generalized FGS format. Spatially scalable enhancement bitstreams can be arbitrarily truncated to conform to network conditions, channel conditions and/or decoder capabilities. Coding coefficients and syntax elements for spatial scalability can be embedded in a generalized FGS format. For good network or channel conditions, and/or enhanced decoder capabilities, additional bits received via one or more enhancement layers permit encoded video to be reconstructed with increased spatial resolution and continuously improved video quality across different spatial resolutions. The techniques permit spatial scalability layers to be coded as FGS layers, rather than discrete layers, permitting arbitrary scalability. The techniques may include features to curb error propagation that may otherwise arise due to partial decoding.
Inventors:
Bao, Irian
Ye, Yang
Ye, Yang
Application Number:
JP2008550528A
Publication Date:
June 18, 2009
Filing Date:
January 11, 2007
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
H03M7/30; H04N7/32; H04N7/30; H04N19/593; H04N19/895
Domestic Patent References:
| JP2008522537A | 2008-06-26 | |||
| JP2006295913A | 2006-10-26 | |||
| JP2007532063A | 2007-11-08 | |||
| JP2006511164A | 2006-03-30 | |||
| JP2006005438A | 2006-01-05 | |||
| JPH06153183A | 1994-05-31 | |||
| JP2007174285A | 2007-07-05 | |||
| JP2005507589A | 2005-03-17 |
Foreign References:
| WO2004057866A2 | 2004-07-08 |
Attorney, Agent or Firm:
Takehiko Suzue
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen