发明名称 |
ENCODING AND DECODING PERCEPTUALLY-QUANTIZED VIDEO CONTENT |
摘要 |
Compared to traditional gamma-coded video, perceptually quantized video provides greater flexibility for the transmission and display management of high-dynamic range video, but it does not compresses as efficiently using existing standard codecs. Techniques are described to improve the coding efficiency of perceptually coded video by applying a color cross-talk transformation after the RGB/XYZ to LMS transformation. Such a transform increases luma and chroma correlation for color appearance models, but improves perceptual uniformity and overall coding efficiency for wide color gamut, HDR, signals. |
申请公布号 |
WO2016049327(A1) |
申请公布日期 |
2016.03.31 |
申请号 |
WO2015US51964 |
申请日期 |
2015.09.24 |
申请人 |
DOLBY LABORATORIES LICENSING CORPORATION |
发明人 |
FROEHLICH, JAN;ATKINS, ROBIN;WANG, QIUWEI;SU, GUAN-MING;YIN, PENG |
分类号 |
G06T5/00;H04N9/67;H04N9/68 |
主分类号 |
G06T5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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