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首页> 外文会议>SPIE Conference on Color Imaging : Displaying, Processing, Hardcopy, and Applications >Design Principles of Wide Gamut YCC Color Encoding Space for Effective Signal Sub-Sampling
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Design Principles of Wide Gamut YCC Color Encoding Space for Effective Signal Sub-Sampling

机译：宽方形YCC颜色编码空间设计原理，有效信号子采样

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摘要

The YCbCr color space in BT.709 suffers the image quality deterioration by color difference signal sub-sampling though reducing the number of signals are quite important issue for future television system. For the future television systems, such as UHDTV and 3DTV, new color encoding space is required which can encode large color gamut and result in good image quality even after color difference signal sub-sampling. In this study, two approaches i.e. following human visual system (CIECAM02) and using new sets of wide color gamut primaries are considered to design new color encoding space. Various YCC color encoding spaces are designed and the sub-sampled image qualities are compared. The result shows that using the opponent color signals in simplified-CIECAM02 as YCC space has the best image quality. Also it is shown that using wide color gamut primaries can improve the sub-sampled image quality significantly than the current encoding color space for HDTV.
机译：BT.709中的YCBCR颜色空间通过色差信号子采样遭受图像质量恶化，但降低信号的数量是未来电视系统的重要问题。对于未来的电视系统，例如UHDTV和3DTV，需要新的编码空间，即使在色差信号子采样后，也可以编码大色域并导致良好的图像质量。在本研究中，两种方法是人类视觉系统（CIECAM02）并使用新的宽色域原初级，被认为是设计新的编码空间。设计了各种YCC颜色编码空间，并比较了子采样图像质量。结果表明，使用简化CIECAM02中的对手颜色信号作为YCC空间具有最佳的图像质量。结果表明，使用宽色域原初级可以显着提高子采样图像质量，而不是HDTV的电流编码颜色空间。

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