RU2016126978A - Способ декодирования видеосигнала - Google Patents

Способ декодирования видеосигнала Download PDF

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RU2016126978A
RU2016126978A RU2016126978A RU2016126978A RU2016126978A RU 2016126978 A RU2016126978 A RU 2016126978A RU 2016126978 A RU2016126978 A RU 2016126978A RU 2016126978 A RU2016126978 A RU 2016126978A RU 2016126978 A RU2016126978 A RU 2016126978A
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RU2016126978A
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RU2719390C2 (ru
RU2016126978A3 (ru
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Бэ Кын ЛЭЕ
Джэ Чхол КВОН
Джо Ёун КИМ
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Кт Корпорейшен
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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
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    • 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
    • H—ELECTRICITY
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    • 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
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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
    • H04N19/12—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
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    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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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    • H04N19/18—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
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    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
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    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
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    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria

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  • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Claims (9)

1. Способ декодирования видеосигнала в устройстве декодирования, включающий:
получение остаточных образцов текущего блока из видеосигнала;
получение возможного временного вектора перемещения из объединенного блока для текущего блока, при этом объединенный блок включен в объединенное изображение, заданное индексом опорного изображения для текущего блока;
формирование списка возможных векторов перемещения, содержащего несколько возможных векторов перемещения, причем несколько возможных векторов перемещения включают возможный временной вектор перемещения;
определение предиктора вектора перемещения для текущего блока на основании списка возможных векторов перемещения и возможного индекса, при этом возможный индекс задает один из нескольких возможных векторов перемещения, содержащихся в списке возможных векторов перемещения;
получение образцов предсказания текущего блока на основании предиктора вектора перемещения; и
восстановление текущего блока с использованием остаточных образцов и образцов предсказания.
2. Способ по п. 1, отличающийся тем, что объединенное изображение имеет отличия во временном порядке от текущего изображения, содержащего текущий блок.
3. Способ по п. 1, отличающийся тем, что объединенный блок представляет блок, соответствующий тому же положению, что и текущий блок.
RU2016126978A 2011-10-18 2012-10-18 Способ декодирования видеосигнала RU2719390C2 (ru)

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KR20110106624 2011-10-18

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RU2014117489/07A Division RU2593991C2 (ru) 2011-10-18 2012-10-18 Способ кодирования видеоданных, способ декодирования видеоданных, устройство кодирования видеоданных и устройство декодирования видеоданных

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RU2016126978A3 RU2016126978A3 (ru) 2019-10-09
RU2719390C2 RU2719390C2 (ru) 2020-04-17

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RU2016126982A RU2719386C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126942A RU2719302C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126960A RU2719374C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126955A RU2719375C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126945A RU2715382C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2014117489/07A RU2593991C2 (ru) 2011-10-18 2012-10-18 Способ кодирования видеоданных, способ декодирования видеоданных, устройство кодирования видеоданных и устройство декодирования видеоданных
RU2016126941A RU2719377C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126978A RU2719390C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126988A RU2719340C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126966A RU2719379C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала

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RU2016126942A RU2719302C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126960A RU2719374C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126955A RU2719375C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2016126945A RU2715382C2 (ru) 2011-10-18 2012-10-18 Способ декодирования видеосигнала
RU2014117489/07A RU2593991C2 (ru) 2011-10-18 2012-10-18 Способ кодирования видеоданных, способ декодирования видеоданных, устройство кодирования видеоданных и устройство декодирования видеоданных
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US (3) US10264283B2 (ru)
KR (10) KR101539111B1 (ru)
CN (19) CN107835414B (ru)
AU (5) AU2012326819B2 (ru)
BR (1) BR112014009449B1 (ru)
CA (2) CA2946947C (ru)
GB (3) GB2554828B (ru)
MX (4) MX2014004851A (ru)
PL (1) PL231160B1 (ru)
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