BR112019000344A2 - tabela de consulta para transformada múltipla otimizada - Google Patents

tabela de consulta para transformada múltipla otimizada

Info

Publication number
BR112019000344A2
BR112019000344A2 BR112019000344A BR112019000344A BR112019000344A2 BR 112019000344 A2 BR112019000344 A2 BR 112019000344A2 BR 112019000344 A BR112019000344 A BR 112019000344A BR 112019000344 A BR112019000344 A BR 112019000344A BR 112019000344 A2 BR112019000344 A2 BR 112019000344A2
Authority
BR
Brazil
Prior art keywords
video
transforms
multiple transform
lookup table
optimized multiple
Prior art date
Application number
BR112019000344A
Other languages
English (en)
Inventor
Chen Jianle
Karczewicz Marta
Seregin Vadim
Zhao Xin
Original Assignee
Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112019000344A2 publication Critical patent/BR112019000344A2/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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

são descritas técnicas exemplares para ilustrar a transformada múltipla aplicada para intra-predição residual. pode ser utilizada no contexto de codecs de vídeo avançados, tais como extensões de hevc ou na próxima geração de padrões de codificação de vídeo. um codificador de vídeo e um decodificador de vídeo podem selecionar subconjuntos de transformada que identificam individualmente uma ou mais transformadas candidatas. o codificador de vídeo e o decodificador de vídeo podem determinar as transformadas a partir dos subconjuntos de transformadas selecionadas.
BR112019000344A 2016-07-15 2017-07-14 tabela de consulta para transformada múltipla otimizada BR112019000344A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662363188P 2016-07-15 2016-07-15
US15/649,612 US10972733B2 (en) 2016-07-15 2017-07-13 Look-up table for enhanced multiple transform
PCT/US2017/042181 WO2018013953A1 (en) 2016-07-15 2017-07-14 Look-up table for enhanced multiple transform

Publications (1)

Publication Number Publication Date
BR112019000344A2 true BR112019000344A2 (pt) 2019-04-24

Family

ID=60941548

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019000344A BR112019000344A2 (pt) 2016-07-15 2017-07-14 tabela de consulta para transformada múltipla otimizada

Country Status (7)

Country Link
US (3) US10972733B2 (pt)
EP (1) EP3485641A1 (pt)
JP (1) JP7033117B2 (pt)
KR (1) KR102519245B1 (pt)
CN (1) CN109691101B (pt)
BR (1) BR112019000344A2 (pt)
WO (1) WO2018013953A1 (pt)

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CN109691101A (zh) 2019-04-26
US11647194B2 (en) 2023-05-09
US10972733B2 (en) 2021-04-06
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