GB201217444D0 - 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
GB201217444D0
GB201217444D0 GB201217444A GB201217444A GB201217444D0 GB 201217444 D0 GB201217444 D0 GB 201217444D0 GB 201217444 A GB201217444 A GB 201217444A GB 201217444 A GB201217444 A GB 201217444A GB 201217444 D0 GB201217444 D0 GB 201217444D0
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.)
Granted
Application number
GB201217444A
Other versions
GB2506852B (en
GB2506852A (en
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
    • H04N19/46—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 true GB201217444D0 (en) 2012-11-14
GB2506852A GB2506852A (en) 2014-04-16
GB2506852B 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114556924A (en) * 2019-10-14 2022-05-27 字节跳动有限公司 Joint coding and decoding and filtering of chroma residual in video processing
US20220321882A1 (en) 2019-12-09 2022-10-06 Bytedance Inc. Using quantization groups in video coding
US11750806B2 (en) 2019-12-31 2023-09-05 Bytedance Inc. Adaptive color transform in video coding
US11785260B2 (en) 2019-10-09 2023-10-10 Bytedance Inc. Cross-component adaptive loop filtering in video coding
US11973959B2 (en) 2019-09-14 2024-04-30 Bytedance Inc. Quantization parameter for chroma deblocking filtering

Families Citing this family (3)

* 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
EP3949402A4 (en) * 2019-04-26 2022-06-08 Huawei Technologies Co., Ltd. Method and apparatus for signaling of mapping function of chroma quantization parameter
CN114745544B (en) 2019-05-28 2024-05-28 杜比实验室特许公司 Method for signaling quantization parameter and computer readable recording medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7295609B2 (en) * 2001-11-30 2007-11-13 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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11973959B2 (en) 2019-09-14 2024-04-30 Bytedance Inc. Quantization parameter for chroma deblocking filtering
US11985329B2 (en) 2019-09-14 2024-05-14 Bytedance Inc. Quantization parameter offset for chroma deblocking filtering
US11785260B2 (en) 2019-10-09 2023-10-10 Bytedance Inc. Cross-component adaptive loop filtering in video coding
CN114556924A (en) * 2019-10-14 2022-05-27 字节跳动有限公司 Joint coding and decoding and filtering of chroma residual in video processing
CN114556924B (en) * 2019-10-14 2024-01-26 字节跳动有限公司 Method, device and medium for joint coding and decoding and filtering of chroma residual in video processing
US20220321882A1 (en) 2019-12-09 2022-10-06 Bytedance Inc. Using quantization groups in video coding
US11902518B2 (en) 2019-12-09 2024-02-13 Bytedance Inc. Using quantization groups in video coding
US11750806B2 (en) 2019-12-31 2023-09-05 Bytedance Inc. Adaptive color transform in video coding

Also Published As

Publication number Publication date
GB2506852B (en) 2015-09-30
GB2506852A (en) 2014-04-16

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