CA2949542C - Block adaptive color-space conversion coding - Google Patents

Block adaptive color-space conversion coding Download PDF

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Publication number
CA2949542C
CA2949542C CA2949542A CA2949542A CA2949542C CA 2949542 C CA2949542 C CA 2949542C CA 2949542 A CA2949542 A CA 2949542A CA 2949542 A CA2949542 A CA 2949542A CA 2949542 C CA2949542 C CA 2949542C
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block
quantization parameter
color
video
transform
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French (fr)
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CA2949542A1 (en
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Li Zhang
Jianle Chen
Joel Sole Rojals
Marta Karczewicz
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • 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
    • 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
    • H04N19/169—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA2949542A 2014-06-20 2015-06-19 Block adaptive color-space conversion coding Active CA2949542C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462015347P 2014-06-20 2014-06-20
US62/015,347 2014-06-20
US201462062797P 2014-10-10 2014-10-10
US62/062,797 2014-10-10
US14/743,776 US20150373327A1 (en) 2014-06-20 2015-06-18 Block adaptive color-space conversion coding
US14/743,776 2015-06-18
PCT/US2015/036769 WO2015196126A1 (en) 2014-06-20 2015-06-19 Block adaptive color-space conversion coding

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CA2949542A1 CA2949542A1 (en) 2015-12-23
CA2949542C true CA2949542C (en) 2023-04-04

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US (1) US20150373327A1 (enExample)
EP (1) EP3158739B1 (enExample)
JP (1) JP6929647B2 (enExample)
KR (1) KR102354197B1 (enExample)
CN (1) CN106464885B (enExample)
BR (1) BR112016029720B1 (enExample)
CA (1) CA2949542C (enExample)
WO (1) WO2015196126A1 (enExample)

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EP3158739B1 (en) 2020-12-23
CN106464885A (zh) 2017-02-22
EP3158739A1 (en) 2017-04-26
KR102354197B1 (ko) 2022-01-20
JP2017523677A (ja) 2017-08-17
BR112016029720A2 (pt) 2017-08-22
CA2949542A1 (en) 2015-12-23
WO2015196126A1 (en) 2015-12-23
KR20170020769A (ko) 2017-02-24
US20150373327A1 (en) 2015-12-24
BR112016029720B1 (pt) 2024-02-15
CN106464885B (zh) 2020-03-13
JP6929647B2 (ja) 2021-09-01

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