BR112014011334B1 - Método para decodificar um quadro de vídeo - Google Patents

Método para decodificar um quadro de vídeo Download PDF

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Publication number
BR112014011334B1
BR112014011334B1 BR112014011334-3A BR112014011334A BR112014011334B1 BR 112014011334 B1 BR112014011334 B1 BR 112014011334B1 BR 112014011334 A BR112014011334 A BR 112014011334A BR 112014011334 B1 BR112014011334 B1 BR 112014011334B1
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BR
Brazil
Prior art keywords
entropy
slice
encoder
flag
slices
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BR112014011334-3A
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English (en)
Portuguese (pt)
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BR112014011334A2 (pt
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Kiran Misra
Christopher A. Segall
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Velos Media International Limited
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Publication of BR112014011334B1 publication Critical patent/BR112014011334B1/pt

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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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112014011334-3A 2011-11-10 2012-11-09 Método para decodificar um quadro de vídeo BR112014011334B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/294,100 2011-11-10
US13/294,100 US9338465B2 (en) 2011-06-30 2011-11-10 Context initialization based on decoder picture buffer
PCT/JP2012/007220 WO2013069306A1 (en) 2011-11-10 2012-11-09 Context initialization based on decoder picture buffer

Publications (2)

Publication Number Publication Date
BR112014011334A2 BR112014011334A2 (pt) 2017-05-02
BR112014011334B1 true BR112014011334B1 (pt) 2022-04-26

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US (6) US9338465B2 (enExample)
EP (5) EP3952311B1 (enExample)
JP (1) JP6162113B2 (enExample)
CN (1) CN103931183B (enExample)
BR (1) BR112014011334B1 (enExample)
ES (1) ES2728443T3 (enExample)
IN (1) IN2014CN03605A (enExample)
WO (1) WO2013069306A1 (enExample)

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US20130003830A1 (en) 2013-01-03
EP4625990A3 (en) 2025-12-03
US10531091B2 (en) 2020-01-07
BR112014011334A2 (pt) 2017-05-02
US11412226B2 (en) 2022-08-09
US10205948B2 (en) 2019-02-12
EP3518539B1 (en) 2021-10-06
US20170026649A1 (en) 2017-01-26
EP3518539A1 (en) 2019-07-31
EP2777280A1 (en) 2014-09-17
US20200162740A1 (en) 2020-05-21
EP3952311A1 (en) 2022-02-09
EP4380157A2 (en) 2024-06-05
IN2014CN03605A (enExample) 2015-10-16
EP4380157A3 (en) 2024-09-18
JP6162113B2 (ja) 2017-07-12
US9491471B2 (en) 2016-11-08
US10931951B2 (en) 2021-02-23
US9338465B2 (en) 2016-05-10
US20160212431A1 (en) 2016-07-21
CN103931183A (zh) 2014-07-16
WO2013069306A1 (en) 2013-05-16
EP4625990A2 (en) 2025-10-01
EP3952311B1 (en) 2024-06-05
ES2728443T3 (es) 2019-10-24
EP2777280B1 (en) 2019-03-20
US20190208207A1 (en) 2019-07-04
JP2014535178A (ja) 2014-12-25
CN103931183B (zh) 2017-09-08
US20210144383A1 (en) 2021-05-13
EP4380157B1 (en) 2025-09-10
EP2777280A4 (en) 2015-12-16

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