ATE439704T1 - Codierung von transformationskoeffizienten in bild-/videocodierern- und/oder decodierern - Google Patents

Codierung von transformationskoeffizienten in bild-/videocodierern- und/oder decodierern

Info

Publication number
ATE439704T1
ATE439704T1 AT03714994T AT03714994T ATE439704T1 AT E439704 T1 ATE439704 T1 AT E439704T1 AT 03714994 T AT03714994 T AT 03714994T AT 03714994 T AT03714994 T AT 03714994T AT E439704 T1 ATE439704 T1 AT E439704T1
Authority
AT
Austria
Prior art keywords
zero
data symbols
valued data
decoders
coding
Prior art date
Application number
AT03714994T
Other languages
English (en)
Inventor
Ragip Kurceren
Marta Karczewicz
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE439704T1 publication Critical patent/ATE439704T1/de

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
    • H04N19/102—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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT03714994T 2002-04-02 2003-04-02 Codierung von transformationskoeffizienten in bild-/videocodierern- und/oder decodierern ATE439704T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36950002P 2002-04-02 2002-04-02
PCT/FI2003/000253 WO2003084076A1 (en) 2002-04-02 2003-04-02 Coding transform coefficients in image / video encoder and/or decoders

Publications (1)

Publication Number Publication Date
ATE439704T1 true ATE439704T1 (de) 2009-08-15

Family

ID=28675579

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03714994T ATE439704T1 (de) 2002-04-02 2003-04-02 Codierung von transformationskoeffizienten in bild-/videocodierern- und/oder decodierern

Country Status (12)

Country Link
EP (1) EP1490975B1 (de)
JP (1) JP4234607B2 (de)
KR (1) KR101010722B1 (de)
CN (1) CN100521550C (de)
AT (1) ATE439704T1 (de)
AU (1) AU2003219198A1 (de)
DE (1) DE60328761D1 (de)
ES (1) ES2328916T3 (de)
MX (1) MXPA04009543A (de)
RU (1) RU2335845C2 (de)
WO (1) WO2003084076A1 (de)
ZA (1) ZA200407932B (de)

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US8848789B2 (en) 2006-03-27 2014-09-30 Qualcomm Incorporated Method and system for coding and decoding information associated with video compression
US7778472B2 (en) * 2006-03-27 2010-08-17 Qualcomm Incorporated Methods and systems for significance coefficient coding in video compression
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US8599926B2 (en) 2006-10-12 2013-12-03 Qualcomm Incorporated Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers
US8565314B2 (en) 2006-10-12 2013-10-22 Qualcomm Incorporated Variable length coding table selection based on block type statistics for refinement coefficient coding
US9319700B2 (en) 2006-10-12 2016-04-19 Qualcomm Incorporated Refinement coefficient coding based on history of corresponding transform coefficient values
US8325819B2 (en) 2006-10-12 2012-12-04 Qualcomm Incorporated Variable length coding table selection based on video block type for refinement coefficient coding
RU2426227C2 (ru) * 2006-11-14 2011-08-10 Квэлкомм Инкорпорейтед Кодирование кодов переменной длины с эффективным использованием памяти
US8467449B2 (en) * 2007-01-08 2013-06-18 Qualcomm Incorporated CAVLC enhancements for SVC CGS enhancement layer coding
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US8938009B2 (en) * 2007-10-12 2015-01-20 Qualcomm Incorporated Layered encoded bitstream structure
BRPI0818444A2 (pt) * 2007-10-12 2016-10-11 Qualcomm Inc codificação adaptativa de informação de cabeçalho de bloco de vídeo
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RU2420021C2 (ru) * 2009-03-24 2011-05-27 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ сжатия изображений и видеопоследовательностей
KR101624649B1 (ko) * 2009-08-14 2016-05-26 삼성전자주식회사 계층적인 부호화 블록 패턴 정보를 이용한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
CN102195760A (zh) * 2010-03-16 2011-09-21 松下电器产业株式会社 无线通信系统、基站、终端及码本生成方法
WO2011126277A2 (en) 2010-04-05 2011-10-13 Samsung Electronics Co., Ltd. Low complexity entropy-encoding/decoding method and apparatus
US9049450B2 (en) 2010-04-05 2015-06-02 Samsung Electronics Co., Ltd. Method and apparatus for encoding video based on internal bit depth increment, and method and apparatus for decoding video based on internal bit depth increment
US8982961B2 (en) 2010-04-05 2015-03-17 Samsung Electronics Co., Ltd. Method and apparatus for encoding video by using transformation index, and method and apparatus for decoding video by using transformation index
KR20110112168A (ko) * 2010-04-05 2011-10-12 삼성전자주식회사 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치
US8410959B2 (en) * 2010-04-09 2013-04-02 Qualcomm, Incorporated Variable length codes for coding of video data
RU2565877C2 (ru) * 2010-07-06 2015-10-20 Нокиа Корпорейшн Способ и устройство для определения соответствия между синтаксическим элементом и кодовым словом для кодирования переменной длины
CN103250206B (zh) 2010-10-07 2015-07-15 弗朗霍夫应用科学研究促进协会 用于比特流域中的编码音频帧的强度估计的装置及方法
US20120114034A1 (en) * 2010-11-08 2012-05-10 Mediatek Inc. Method and Apparatus of Delta Quantization Parameter Processing for High Efficiency Video Coding
US9490839B2 (en) 2011-01-03 2016-11-08 Qualcomm Incorporated Variable length coding of video block coefficients
CN102685503B (zh) * 2011-03-10 2014-06-25 华为技术有限公司 变换系数的编码方法、变换系数的解码方法，和装置
US9516316B2 (en) 2011-06-29 2016-12-06 Qualcomm Incorporated VLC coefficient coding for large chroma block
US9826238B2 (en) 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
US9338456B2 (en) 2011-07-11 2016-05-10 Qualcomm Incorporated Coding syntax elements using VLC codewords
RU2477891C1 (ru) * 2011-09-02 2013-03-20 Открытое акционерное общество "Концерн радиостроения "Вега" Способ обнаружения модификации электронного изображения (варианты)
EP3614670B1 (de) * 2011-12-15 2021-02-03 Tagivan Ii Llc Signalisierung von luminanz-chrominanz-codierten blockflags (cbf) in der videocodierung
WO2013157829A1 (ko) 2012-04-16 2013-10-24 한국전자통신연구원 부호화 방법 및 복호화 방법 그리고 이를 이용하는 장치
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Also Published As

Publication number Publication date
JP2005522084A (ja) 2005-07-21
ZA200407932B (en) 2006-03-29
MXPA04009543A (es) 2005-01-25
EP1490975B1 (de) 2009-08-12
DE60328761D1 (de) 2009-09-24
JP4234607B2 (ja) 2009-03-04
KR101010722B1 (ko) 2011-01-24
HK1082125A1 (zh) 2006-05-26
EP1490975A1 (de) 2004-12-29
RU2335845C2 (ru) 2008-10-10
WO2003084076A1 (en) 2003-10-09
ES2328916T3 (es) 2009-11-19
CN100521550C (zh) 2009-07-29
RU2004131857A (ru) 2005-04-20
KR20040099391A (ko) 2004-11-26
CN1656690A (zh) 2005-08-17
AU2003219198A1 (en) 2003-10-13

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