NO318318B1 - Fremgangsmate for forbedret koding av video - Google Patents

Fremgangsmate for forbedret koding av video Download PDF

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Publication number
NO318318B1
NO318318B1 NO20032980A NO20032980A NO318318B1 NO 318318 B1 NO318318 B1 NO 318318B1 NO 20032980 A NO20032980 A NO 20032980A NO 20032980 A NO20032980 A NO 20032980A NO 318318 B1 NO318318 B1 NO 318318B1
Authority
NO
Norway
Prior art keywords
block
transformation
coefficients
transforming
integer
Prior art date
Application number
NO20032980A
Other languages
English (en)
Norwegian (no)
Other versions
NO20032980D0 (no
Inventor
Gisle Bjontegaard
Original Assignee
Tandberg Telecom As
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tandberg Telecom As filed Critical Tandberg Telecom As
Priority to NO20032980A priority Critical patent/NO318318B1/no
Publication of NO20032980D0 publication Critical patent/NO20032980D0/no
Priority to US10/831,158 priority patent/US7295613B2/en
Priority to EP04729775A priority patent/EP1639830A1/de
Priority to CN200480017937.4A priority patent/CN100579233C/zh
Priority to JP2006516996A priority patent/JP2007521740A/ja
Priority to PCT/NO2004/000118 priority patent/WO2005002236A1/en
Publication of NO318318B1 publication Critical patent/NO318318B1/no

Links

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)
NO20032980A 2003-06-27 2003-06-27 Fremgangsmate for forbedret koding av video NO318318B1 (no)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO20032980A NO318318B1 (no) 2003-06-27 2003-06-27 Fremgangsmate for forbedret koding av video
US10/831,158 US7295613B2 (en) 2003-06-27 2004-04-26 Early detection of zeros in the transform domain
EP04729775A EP1639830A1 (de) 2003-06-27 2004-04-27 Frühe detektion von nullstellen im transformationsbereich
CN200480017937.4A CN100579233C (zh) 2003-06-27 2004-04-27 变换域中零的早期检测
JP2006516996A JP2007521740A (ja) 2003-06-27 2004-04-27 変換ドメイン内のゼロを早期に発見する方法
PCT/NO2004/000118 WO2005002236A1 (en) 2003-06-27 2004-04-27 Early detection of zeros in the transform domain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20032980A NO318318B1 (no) 2003-06-27 2003-06-27 Fremgangsmate for forbedret koding av video

Publications (2)

Publication Number Publication Date
NO20032980D0 NO20032980D0 (no) 2003-06-27
NO318318B1 true NO318318B1 (no) 2005-02-28

Family

ID=27731019

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20032980A NO318318B1 (no) 2003-06-27 2003-06-27 Fremgangsmate for forbedret koding av video

Country Status (6)

Country Link
US (1) US7295613B2 (de)
EP (1) EP1639830A1 (de)
JP (1) JP2007521740A (de)
CN (1) CN100579233C (de)
NO (1) NO318318B1 (de)
WO (1) WO2005002236A1 (de)

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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
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
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
KR20120031529A (ko) * 2007-05-04 2012-04-03 퀄컴 인코포레이티드 추정된 코딩 비용을 이용하는 비디오 코딩 모드 선택
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
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
CN103153970A (zh) * 2010-04-15 2013-06-12 诺瓦提斯公司 作为ksp抑制剂的*唑和噻唑化合物
CN102740065B (zh) * 2011-03-31 2015-11-25 富士通株式会社 图像编码方法和系统
US8971407B2 (en) 2012-11-15 2015-03-03 Pexip AS Detection of skip mode
NO336218B1 (no) * 2012-11-15 2015-06-15 Pexip AS Metode, datamaskinprogram og system for å bestemme "hopp-over"-modus.
US10003792B2 (en) 2013-05-27 2018-06-19 Microsoft Technology Licensing, Llc Video encoder for images
CN105359531B (zh) 2014-03-17 2019-08-06 微软技术许可有限责任公司 用于针对屏幕内容编码的编码器侧判定的方法和系统
CN106416254B (zh) 2015-02-06 2019-08-02 微软技术许可有限责任公司 在媒体编码期间跳过评估阶段
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)

* Cited by examiner, † Cited by third party
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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
WO2002015584A2 (de) * 2000-08-12 2002-02-21 Robert Bosch Gmbh Verfahren zur ganzzahligen approximation von transformationskoeffizienten sowie coder und decoder
US6763070B1 (en) * 2001-05-29 2004-07-13 Cisco Technology, Inc. Methods and apparatus for selecting a cut-off index
US7200275B2 (en) * 2001-12-17 2007-04-03 Microsoft Corporation 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
HUE026930T2 (en) * 2002-03-15 2016-08-29 Nokia Technologies Oy Procedure for encoding motion in a series of images

Also Published As

Publication number Publication date
EP1639830A1 (de) 2006-03-29
NO20032980D0 (no) 2003-06-27
CN1813480A (zh) 2006-08-02
WO2005002236A1 (en) 2005-01-06
US20040264575A1 (en) 2004-12-30
US7295613B2 (en) 2007-11-13
CN100579233C (zh) 2010-01-06
JP2007521740A (ja) 2007-08-02

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