CN107948658B - 选择运动矢量预测值的方法和使用其的设备 - Google Patents

选择运动矢量预测值的方法和使用其的设备 Download PDF

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CN107948658B
CN107948658B CN201711159350.2A CN201711159350A CN107948658B CN 107948658 B CN107948658 B CN 107948658B CN 201711159350 A CN201711159350 A CN 201711159350A CN 107948658 B CN107948658 B CN 107948658B
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motion vector
condition
reference picture
current block
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CN107948658A (zh
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朴俊永
朴胜煜
林宰显
金廷宣
崔瑛喜
全柄文
全勇俊
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LG Electronics Inc
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • H04N19/51—Motion estimation or motion compensation
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    • 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
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    • H04N19/182—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 pixel
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    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
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    • 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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