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Techniques for HDR/WCR video coding

机译:HDR / WCR视频编码技术

摘要

Systems and methods are provided for processing high quality video data, such as data having a higher than standard bit depth, a high dynamic range, or a wide or custom color gamut, to be compatible with conventional encoders and decoders without significant loss of quality. High quality data is encoded into a plurality of layers with a base layer having the standard quality data and one or more higher quality layers. Decoding systems and methods may map the base layer to the dynamic range or color gamut of the enhancement layer, combine the layers, and map the combined layers to a dynamic range or color gamut appropriate for the target display. Each of the standard quality and the high quality data may be encoded as a plurality of tiers of increasing quality and reference lower level tiers as sources of prediction during predictive coding.
机译:提供了用于处理高质量视频数据的系统和方法,例如具有高于标准比特深度,高动态范围或宽或自定义色域的数据,以与常规编码器和解码器兼容而不会显着降低质量。高质量数据被编码为多个层,其中具有标准质量数据的基础层和一个或多个更高质量的层。解码系统和方法可以将基础层映射到增强层的动态范围或色域,组合这些层,并且将组合的层映射到适合于目标显示器的动态范围或色域。标准质量和高质量数据中的每一个可以被编码为质量增加的多个层,并且参考较低级别的层作为预测编码期间的预测源。

著录项

  • 公开/公告号US10536731B2

    专利类型

  • 公开/公告日2020-01-14

    原文格式PDF

  • 申请/专利权人 APPLE INC.;

    申请/专利号US201514710520

  • 申请日2015-05-12

  • 分类号H04N19/50;H04N21/2343;H04N21/234;H04N21/2385;H04N21/438;H04N21/44;H04N21/4402;H04N19/186;H04N19/184;

  • 国家 US

  • 入库时间 2022-08-21 11:28:22

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