CN1589026A - 一种并行处理行程解码、反扫描和反量化的方法及装置 - Google Patents
一种并行处理行程解码、反扫描和反量化的方法及装置 Download PDFInfo
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- CN1589026A CN1589026A CN 200410070209 CN200410070209A CN1589026A CN 1589026 A CN1589026 A CN 1589026A CN 200410070209 CN200410070209 CN 200410070209 CN 200410070209 A CN200410070209 A CN 200410070209A CN 1589026 A CN1589026 A CN 1589026A
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- inverse quantization
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- discrete cosine
- cosine transform
- transform coefficient
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- 238000013139 quantization Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000011002 quantification Methods 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
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- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Description
CurrentQP | <43 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 |
QP | CurrentQP | 42 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 47 |
CurrentQP | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 |
QP | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 51 |
QP | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
DequantTable(QP) | 32768 | 36061 | 38968 | 42495 | 46341 | 50535 | 55437 | 60424 |
ShiftTable(QP) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
QP | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
DequantTable(QP) | 32932 | 35734 | 38968 | 42495 | 46177 | 50535 | 55109 | 59933 |
ShiftTable(QP) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
QP | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
DequantTable(QP) | 65535 | 35734 | 38968 | 42577 | 46341 | 50617 | 55027 | 60097 |
ShiftTable(QP) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
QP | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
DequantTable(QP) | 32809 | 35734 | 38968 | 42454 | 46382 | 50576 | 55109 | 60056 |
ShiftTable(QP) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
QP | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
DequantTable(QP) | 65535 | 35734 | 38968 | 42495 | 46320 | 50515 | 55109 | 60076 |
ShiftTable(QP) | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
QP | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 |
DequantTable(QP) | 65535 | 35744 | 38968 | 42495 | 46341 | 50535 | 55099 | 60087 |
ShiftTable(QP) | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
QP | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 |
DequantTable(QP) | 65535 | 35734 | 38973 | 42500 | 46341 | 50535 | 55109 | 60097 |
ShiftTable(QP) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
QP | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 |
DequantTable(QP) | 32771 | 35734 | 38965 | 42497 | 46341 | 50535 | 55109 | 60099 |
ShiftTable(QP) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100702091A CN1306823C (zh) | 2004-07-30 | 2004-07-30 | 一种并行处理行程解码、反扫描和反量化的方法及装置 |
Applications Claiming Priority (1)
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CNB2004100702091A CN1306823C (zh) | 2004-07-30 | 2004-07-30 | 一种并行处理行程解码、反扫描和反量化的方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN1589026A true CN1589026A (zh) | 2005-03-02 |
CN1306823C CN1306823C (zh) | 2007-03-21 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CNB2004100702091A Expired - Lifetime CN1306823C (zh) | 2004-07-30 | 2004-07-30 | 一种并行处理行程解码、反扫描和反量化的方法及装置 |
Country Status (1)
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CN (1) | CN1306823C (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399832C (zh) * | 2005-01-26 | 2008-07-02 | 威盛电子股份有限公司 | 结合反量化与反曲折扫描的视讯译码装置及其方法 |
CN100403802C (zh) * | 2006-04-30 | 2008-07-16 | 西安交通大学 | 一种基于寄存器组的行程解码与反扫描实现方法 |
CN101710994B (zh) * | 2009-12-17 | 2012-12-26 | 无锡中星微电子有限公司 | 一种用于视频解码的方法和系统 |
CN103873870A (zh) * | 2014-02-28 | 2014-06-18 | 芯原微电子(上海)有限公司 | 一种优化的aec解码器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970003102B1 (ko) * | 1993-09-17 | 1997-03-14 | 대우전자 주식회사 | 영상 복호기에서의 하프 픽셀 움직임 보상 회로 |
KR100197190B1 (ko) * | 1994-10-12 | 1999-06-15 | 모리시다 요이치 | 런렝스 부호의 복호회로 |
DE19603808C1 (de) * | 1996-02-02 | 1997-04-17 | Siemens Ag | Anordnung und Verfahren zur Codierung und Decodierung von mit einem blockbasierten Codierungsverfahren codierten Bildern |
US6215424B1 (en) * | 1998-12-16 | 2001-04-10 | Thomson Licensing S.A. | System for variable length codeword processing suitable for video and other applications |
WO2001095637A1 (en) * | 2000-06-02 | 2001-12-13 | Matsushita Electric Industrial Co., Ltd. | Image processing apparatus, and image processing method |
-
2004
- 2004-07-30 CN CNB2004100702091A patent/CN1306823C/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399832C (zh) * | 2005-01-26 | 2008-07-02 | 威盛电子股份有限公司 | 结合反量化与反曲折扫描的视讯译码装置及其方法 |
CN100403802C (zh) * | 2006-04-30 | 2008-07-16 | 西安交通大学 | 一种基于寄存器组的行程解码与反扫描实现方法 |
CN101710994B (zh) * | 2009-12-17 | 2012-12-26 | 无锡中星微电子有限公司 | 一种用于视频解码的方法和系统 |
CN103873870A (zh) * | 2014-02-28 | 2014-06-18 | 芯原微电子(上海)有限公司 | 一种优化的aec解码器 |
CN103873870B (zh) * | 2014-02-28 | 2017-03-29 | 芯原微电子(上海)有限公司 | 一种优化的aec解码器 |
Also Published As
Publication number | Publication date |
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CN1306823C (zh) | 2007-03-21 |
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Application publication date: 20050302 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: X2021110000008 Denomination of invention: A method and device for parallel processing of run length decoding, inverse scanning and inverse quantization Granted publication date: 20070321 License type: Exclusive License Record date: 20210317 |
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