CN1321398A - 用于可定标视频编码的系统与方法 - Google Patents
用于可定标视频编码的系统与方法 Download PDFInfo
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- CN1321398A CN1321398A CN00801812A CN00801812A CN1321398A CN 1321398 A CN1321398 A CN 1321398A CN 00801812 A CN00801812 A CN 00801812A CN 00801812 A CN00801812 A CN 00801812A CN 1321398 A CN1321398 A CN 1321398A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
- H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
序列 | #零数据块N1(#零宏数据块NMB 1) | #非零数据块N2(#非零宏数据块NMB 2)W/已经发送的移位因子 | #非零数据块N3(#非零宏数据块NMB 3)W/在该bp已经发送的移位因子 |
Coastguard | 2081(258) | 0(0) | 295(138) |
Foreman | 1823(190) | 0(0) | 553(206) |
序列 | #零数据块N1(#零宏数据块NMB 1) | #非零数据块N2(#非零宏数据块NMB 2)W/已经发送的移位因子 | #非零数据块N3(#非零宏数据块NMB 3)在该bp已经发送的移位因子 |
Coastguard | 1136(31) | 295(138) | 945(227) |
Foreman | 889(39) | 553(206) | 934(151) |
移位因子 | 二进制表示 |
0 | 00 |
1 | 01 |
2 | 10 |
移位因子 | 二进制表示 |
0 | 00 |
1 | 10 |
2 | 11 |
相关移位因子 | 二进制表示 |
0 | 00 |
1 | 10 |
-1 | 11 |
移位因子 | 二进制表示 |
0 | 00 |
1 | 10 |
-2 | 11 |
No. | AQ模式(VOP)等级 | 移位范围 | 控制等级 | 用于移位因子的VLC编码 |
0 | 00 | N/A | N/A | N/A |
1 | 01 | 0-7 | 宏数据块等级 | 表8 |
2 | 10 | 0-2 | 数据块等级 | 表8 |
用于宏数据块为基础的AQ的差分移位因子 | 用于数据块为基础的AQ的差分移位因子 | 二进制表示(霍夫曼码) |
0 | 0 | 0 |
1 | 1 | 10 |
-1 | 2 | 11 |
Void shifter_down(Int diff[64],Int shift_factor) {Int i; if(shift-factor>0)/*if there is any shifting to be done, shift_factor=0 means no shifting*/for(i=0;i<64;i++) diff[i]=diff[i]>>shift_factor;}
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/347,882 | 1999-07-06 | ||
US09/347,882 US6263022B1 (en) | 1999-07-06 | 1999-07-06 | System and method for fine granular scalable video with selective quality enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1321398A true CN1321398A (zh) | 2001-11-07 |
CN100466732C CN100466732C (zh) | 2009-03-04 |
Family
ID=23365691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101090985A Expired - Fee Related CN100466732C (zh) | 1999-07-06 | 2000-07-04 | 用于可定标视频编码的系统与方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6263022B1 (zh) |
EP (1) | EP1110404B1 (zh) |
JP (1) | JP2003503975A (zh) |
KR (1) | KR100676644B1 (zh) |
CN (1) | CN100466732C (zh) |
DE (1) | DE60031230T2 (zh) |
ES (1) | ES2273708T3 (zh) |
WO (1) | WO2001003442A1 (zh) |
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CN101646063B (zh) * | 2002-06-21 | 2011-12-28 | 汤姆森许可贸易公司 | 在移动无线交互工作环境中用于存储的视频流的提高质量 |
CN101232618B (zh) * | 2002-04-23 | 2013-03-27 | 诺基亚有限公司 | 用于在视频编码系统中指示量化器参数的方法与设备 |
CN111062475A (zh) * | 2018-10-17 | 2020-04-24 | 三星电子株式会社 | 用于对神经网络的参数进行量化的方法和装置 |
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WO2001003442A1 (en) | 2001-01-11 |
KR100676644B1 (ko) | 2007-02-01 |
CN100466732C (zh) | 2009-03-04 |
DE60031230D1 (de) | 2006-11-23 |
ES2273708T3 (es) | 2007-05-16 |
EP1110404A1 (en) | 2001-06-27 |
KR20010074974A (ko) | 2001-08-09 |
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