CN1813480A - 变换域中零的早期检测 - Google Patents
变换域中零的早期检测 Download PDFInfo
- Publication number
- CN1813480A CN1813480A CN200480017937.4A CN200480017937A CN1813480A CN 1813480 A CN1813480 A CN 1813480A CN 200480017937 A CN200480017937 A CN 200480017937A CN 1813480 A CN1813480 A CN 1813480A
- Authority
- CN
- China
- Prior art keywords
- conversion
- binary
- transform
- integer transform
- coming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Color Television Systems (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20032980A NO318318B1 (no) | 2003-06-27 | 2003-06-27 | Fremgangsmate for forbedret koding av video |
NO20032980 | 2003-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1813480A true CN1813480A (zh) | 2006-08-02 |
CN100579233C CN100579233C (zh) | 2010-01-06 |
Family
ID=27731019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480017937.4A Expired - Fee Related CN100579233C (zh) | 2003-06-27 | 2004-04-27 | 变换域中零的早期检测 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7295613B2 (zh) |
EP (1) | EP1639830A1 (zh) |
JP (1) | JP2007521740A (zh) |
CN (1) | CN100579233C (zh) |
NO (1) | NO318318B1 (zh) |
WO (1) | WO2005002236A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100592798C (zh) * | 2007-09-14 | 2010-02-24 | 四川虹微技术有限公司 | 一种视频编码快速变换量化的实现方法 |
CN102740065A (zh) * | 2011-03-31 | 2012-10-17 | 富士通株式会社 | 图像编码方法和系统 |
CN101663895B (zh) * | 2007-05-04 | 2013-05-01 | 高通股份有限公司 | 使用所估计译码成本的视频译码模式选择 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7929608B2 (en) * | 2006-03-28 | 2011-04-19 | Sony Corporation | Method of reducing computations in intra-prediction and mode decision processes in a digital video encoder |
US8077769B2 (en) * | 2006-03-28 | 2011-12-13 | Sony Corporation | Method of reducing computations in transform and scaling processes in a digital video encoder using a threshold-based approach |
NO325859B1 (no) * | 2006-05-31 | 2008-08-04 | Tandberg Telecom As | Kodek-preprosessering |
US7751631B2 (en) * | 2006-12-22 | 2010-07-06 | Sony Corporation | Bypass using sum of absolute transformed differences value (SATD) in a video coding process |
NO326065B1 (no) * | 2007-01-11 | 2008-09-08 | Tandberg Telecom As | Atte pixlers heltallstransform |
US9183181B2 (en) | 2011-01-10 | 2015-11-10 | Cisco Technology, Inc. | Integer matrix transform video compression system, method and computer program product |
NO330107B1 (no) * | 2009-07-09 | 2011-02-21 | Tandberg Telecom As | Datamaskinimplementert tidlig dropping |
JP2013525290A (ja) * | 2010-04-15 | 2013-06-20 | ノバルティス アーゲー | Ksp阻害剤としてのオキサゾールおよびチアゾール化合物 |
NO336218B1 (no) * | 2012-11-15 | 2015-06-15 | Pexip AS | Metode, datamaskinprogram og system for å bestemme "hopp-over"-modus. |
US8971407B2 (en) | 2012-11-15 | 2015-03-03 | Pexip AS | Detection of skip mode |
WO2014190468A1 (en) | 2013-05-27 | 2014-12-04 | Microsoft Corporation | Video encoder for images |
EP3120556B1 (en) | 2014-03-17 | 2021-01-13 | Microsoft Technology Licensing, LLC | Encoder-side decisions for screen content encoding |
WO2016123792A1 (en) | 2015-02-06 | 2016-08-11 | Microsoft Technology Licensing, Llc | Skipping evaluation stages during media encoding |
US10038917B2 (en) | 2015-06-12 | 2018-07-31 | Microsoft Technology Licensing, Llc | Search strategies for intra-picture prediction modes |
US10136132B2 (en) * | 2015-07-21 | 2018-11-20 | Microsoft Technology Licensing, Llc | Adaptive skip or zero block detection combined with transform size decision |
US10771783B2 (en) | 2018-06-11 | 2020-09-08 | Google Llc | Transforms for large video and image blocks |
US11683509B1 (en) | 2021-10-28 | 2023-06-20 | Meta Platforms, Inc. | Prediction unit skip detection in encoder |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04215385A (ja) * | 1990-12-13 | 1992-08-06 | Fujitsu Ltd | 画像データ符号化・復元方法及び装置 |
JPH04220081A (ja) * | 1990-12-20 | 1992-08-11 | Fujitsu Ltd | 画像データ復元方法及び装置 |
JP3655651B2 (ja) * | 1994-09-02 | 2005-06-02 | テキサス インスツルメンツ インコーポレイテツド | データ処理装置 |
US5872866A (en) * | 1995-04-18 | 1999-02-16 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by predetermination of IDCT results based on image characteristics |
JPH09261655A (ja) * | 1996-03-22 | 1997-10-03 | Mitsubishi Electric Corp | 動画像符号化装置 |
US6351567B1 (en) | 1998-12-22 | 2002-02-26 | Intel Corporation | Efficient encoding of video blocks |
JP2002027469A (ja) * | 2000-07-05 | 2002-01-25 | Matsushita Electric Ind Co Ltd | ビットストリーム変換方法、ビットストリーム変換装置およびプログラム記録媒体 |
JP2004506990A (ja) * | 2000-08-12 | 2004-03-04 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 変換係数の整数近似方法ならび符号器および復号器 |
US6763070B1 (en) * | 2001-05-29 | 2004-07-13 | Cisco Technology, Inc. | Methods and apparatus for selecting a cut-off index |
EP2262269B1 (en) | 2001-12-17 | 2018-01-24 | Microsoft Technology Licensing, LLC | Skip macroblock coding |
JP4114859B2 (ja) * | 2002-01-09 | 2008-07-09 | 松下電器産業株式会社 | 動きベクトル符号化方法および動きベクトル復号化方法 |
US6927780B2 (en) * | 2002-01-14 | 2005-08-09 | Seiko Epson Corporation | Fast text/graphics resolution improvement with chain-code table look-up |
BR0304565A (pt) * | 2002-03-15 | 2004-12-07 | Nokia Corp | Método de predição de movimento compensado para uso na codificação da sequência de vìdeo digital, codificador e decodificador de vìdeo para codificar/decodificar uma sequência de vìdeo digital usando predição de movimento compensado, terminal de miltimìdia, e, codec de vìdeo |
-
2003
- 2003-06-27 NO NO20032980A patent/NO318318B1/no not_active IP Right Cessation
-
2004
- 2004-04-26 US US10/831,158 patent/US7295613B2/en active Active
- 2004-04-27 EP EP04729775A patent/EP1639830A1/en not_active Withdrawn
- 2004-04-27 CN CN200480017937.4A patent/CN100579233C/zh not_active Expired - Fee Related
- 2004-04-27 WO PCT/NO2004/000118 patent/WO2005002236A1/en active Application Filing
- 2004-04-27 JP JP2006516996A patent/JP2007521740A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101663895B (zh) * | 2007-05-04 | 2013-05-01 | 高通股份有限公司 | 使用所估计译码成本的视频译码模式选择 |
CN100592798C (zh) * | 2007-09-14 | 2010-02-24 | 四川虹微技术有限公司 | 一种视频编码快速变换量化的实现方法 |
CN102740065A (zh) * | 2011-03-31 | 2012-10-17 | 富士通株式会社 | 图像编码方法和系统 |
CN102740065B (zh) * | 2011-03-31 | 2015-11-25 | 富士通株式会社 | 图像编码方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
US7295613B2 (en) | 2007-11-13 |
CN100579233C (zh) | 2010-01-06 |
US20040264575A1 (en) | 2004-12-30 |
WO2005002236A1 (en) | 2005-01-06 |
EP1639830A1 (en) | 2006-03-29 |
NO318318B1 (no) | 2005-02-28 |
NO20032980D0 (no) | 2003-06-27 |
JP2007521740A (ja) | 2007-08-02 |
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Owner name: CISCO SYSTEMS INTERNATIONAL BV Free format text: FORMER OWNER: TANDBERG TELECOM AS Effective date: 20120417 |
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Effective date of registration: 20120417 Address after: Swiss basil Patentee after: Cisco Systems International Sarl Address before: Norway Lv Sake Patentee before: Tandberg Telecom AS |
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Granted publication date: 20100106 Termination date: 20210427 |