Method for encoding inter-layer video for compensating luminance difference and device therefor, and method for decoding video and device therefor
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United States of America Patent
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Jan 23, 2018
Grant Date -
Dec 3, 2015
app pub date -
Jan 10, 2014
filing date -
Jan 10, 2013
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Abstract
Provided are an inter-layer video encoding method and apparatus therefor and an inter-layer video decoding method and apparatus therefor. An inter-layer video decoding method involves reconstructing a first layer image, based on encoding information obtained from a first layer bitstream; in order to reconstruct a second layer block determined as a predetermined partition type and to be in a prediction mode, determining whether to perform illumination compensation for the reconstructed second layer block determined by using a first layer reference block that is from among the reconstructed first layer image and corresponds to the second layer block; and generating the reconstructed second layer block by using inter-layer prediction information obtained from a second layer bitstream and the first layer reference block, and generating a second layer image including the reconstructed second layer block whose illumination is determined according to whether the illumination compensation was performed.
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