ZA201209077B - Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters - Google Patents

Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters

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Publication number
ZA201209077B
ZA201209077B ZA2012/09077A ZA201209077A ZA201209077B ZA 201209077 B ZA201209077 B ZA 201209077B ZA 2012/09077 A ZA2012/09077 A ZA 2012/09077A ZA 201209077 A ZA201209077 A ZA 201209077A ZA 201209077 B ZA201209077 B ZA 201209077B
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South Africa
Prior art keywords
methods
neighboring
determining
quantization parameter
parameter predictors
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ZA2012/09077A
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English (en)
Inventor
Joel Sole
Xiaoan Lu
Peng Yin
Yunfei Zheng
Qian Xu
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Thomson Licensing
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44351363&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA201209077(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of ZA201209077B publication Critical patent/ZA201209077B/en

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    • 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
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    • 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
    • H04N19/197—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 including determination of the initial value of an encoding parameter
    • H—ELECTRICITY
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    • H04N19/124—Quantisation
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    • 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
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    • 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
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    • 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
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    • 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
    • H04N19/198—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 including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
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    • 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
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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
    • H04N19/134—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
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
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    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
ZA2012/09077A 2010-06-10 2012-11-30 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters ZA201209077B (en)

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US35336510P 2010-06-10 2010-06-10
PCT/US2011/039579 WO2011156458A1 (en) 2010-06-10 2011-06-08 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters

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ZA2012/09077A ZA201209077B (en) 2010-06-10 2012-11-30 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
ZA2017/07434A ZA201707434B (en) 2010-06-10 2017-11-02 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
ZA2019/01802A ZA201901802B (en) 2010-06-10 2019-03-25 Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters

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US (8) US9235774B2 (cg-RX-API-DMAC7.html)
EP (4) EP2580911A1 (cg-RX-API-DMAC7.html)
JP (5) JP5924823B2 (cg-RX-API-DMAC7.html)
KR (7) KR20240158380A (cg-RX-API-DMAC7.html)
CN (2) CN107465924B (cg-RX-API-DMAC7.html)
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BR (1) BR112012031160B1 (cg-RX-API-DMAC7.html)
CA (1) CA2801409C (cg-RX-API-DMAC7.html)
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MY (3) MY162191A (cg-RX-API-DMAC7.html)
PL (2) PL4024865T3 (cg-RX-API-DMAC7.html)
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WO (1) WO2011156458A1 (cg-RX-API-DMAC7.html)
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