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Bit-depth scalable coding for high dynamic range video
Visual Communications and Image Processing 2008
This paper presents a technique for coding high dynamic range videos. The proposed coding scheme is scalable, such that both standard dynamic range and high dynamic range representations of a video can be extracted from one bit stream. A localized inverse tone mapping method is proposed for efficient inter-layer prediction, which applies a scaling factor and an offset to each macroblock, per color channel. The scaling factors and offsets are predicted from neighboring macroblocks, and then thedoi:10.1117/12.766601 fatcat:rfjpy72a5fhtlfvjltit7wy24e