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Efficient Tone-Mapping Of High-Bit-Depth Video To Low-Bit-Depth Display
Efficient Tone-Mapping Of High-Bit-Depth Video To Low-Bit-Depth Display
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机译:高位深度视频到低位深度显示的有效音调映射
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摘要
Several embodiments of an efficient tone mapping of high bit depth video to low bit depth displays are disclosed. In one embodiment, a system maps an input image data of a high dynamic range (HDR) onto output image data of a lower dynamic range (LDR) and where the mapping does not transform the input image data from one color space to another color space. One embodiment comprises a tone mapping module which outputs a tone-mapped luminance signal for output image data and a color mapping module which outputs chroma signals for the output image data. Intermediate image processing steps may be avoided and hence may increase the efficiency of the mapping.
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