GB2506852B - Method and device for determining the value of a quantization parameter - Google Patents

Method and device for determining the value of a quantization parameter

Info

Publication number
GB2506852B
GB2506852B GB1217444.7A GB201217444A GB2506852B GB 2506852 B GB2506852 B GB 2506852B GB 201217444 A GB201217444 A GB 201217444A GB 2506852 B GB2506852 B GB 2506852B
Authority
GB
United Kingdom
Prior art keywords
determining
value
quantization parameter
quantization
parameter
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.)
Active
Application number
GB1217444.7A
Other versions
GB201217444D0 (en
GB2506852A (en
Inventor
Edouard Francois
Christophe Gisquet
Guillaume Laroche
Patrice Onno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB1217444.7A priority Critical patent/GB2506852B/en
Publication of GB201217444D0 publication Critical patent/GB201217444D0/en
Publication of GB2506852A publication Critical patent/GB2506852A/en
Application granted granted Critical
Publication of GB2506852B publication Critical patent/GB2506852B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/10—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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB1217444.7A 2012-09-28 2012-09-28 Method and device for determining the value of a quantization parameter Active GB2506852B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1217444.7A GB2506852B (en) 2012-09-28 2012-09-28 Method and device for determining the value of a quantization parameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1217444.7A GB2506852B (en) 2012-09-28 2012-09-28 Method and device for determining the value of a quantization parameter

Publications (3)

Publication Number Publication Date
GB201217444D0 GB201217444D0 (en) 2012-11-14
GB2506852A GB2506852A (en) 2014-04-16
GB2506852B true GB2506852B (en) 2015-09-30

Family

ID=47225416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1217444.7A Active GB2506852B (en) 2012-09-28 2012-09-28 Method and device for determining the value of a quantization parameter

Country Status (1)

Country Link
GB (1) GB2506852B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11856232B2 (en) 2019-05-28 2023-12-26 Dolby Laboratories Licensing Corporation Quantization parameter signaling

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020182116A1 (en) * 2019-03-10 2020-09-17 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using an adaptive loop filter
CN117714687A (en) * 2019-04-26 2024-03-15 华为技术有限公司 Method and device for acquiring chroma QP of chroma component according to luminance QP of luminance component
JP7321364B2 (en) 2019-09-14 2023-08-04 バイトダンス インコーポレイテッド Chroma quantization parameter in video coding
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
JP7443509B2 (en) * 2019-10-14 2024-03-05 バイトダンス インコーポレイテッド Using chroma quantization parameters in video coding
JP7508558B2 (en) 2019-12-09 2024-07-01 バイトダンス インコーポレイテッド Using Quantization Groups in Video Coding
CN114902657A (en) 2019-12-31 2022-08-12 字节跳动有限公司 Adaptive color transform in video coding and decoding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030147463A1 (en) * 2001-11-30 2003-08-07 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030147463A1 (en) * 2001-11-30 2003-08-07 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11856232B2 (en) 2019-05-28 2023-12-26 Dolby Laboratories Licensing Corporation Quantization parameter signaling

Also Published As

Publication number Publication date
GB201217444D0 (en) 2012-11-14
GB2506852A (en) 2014-04-16

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