https://xinyeshi03.com/tags/chroma-subsampling/ Recent content in Chroma Subsampling on Xinye Shi https://xinyeshi03.com/images/og/default.png https://xinyeshi03.com/images/og/default.png Hugo zh-CN Sat, 19 Sep 2026 22:35:37 +0800 https://xinyeshi03.com/posts/pq-ycbcr-420-chroma-artifacts/ Sat, 19 Sep 2026 00:00:00 +0800 https://xinyeshi03.com/posts/pq-ycbcr-420-chroma-artifacts/ 从左列平均的 RGB→YUV420 转换出发，追踪高亮饱和色中的彩边、网格和假锐化，讨论 stableY、SharpYUV 与 ITU luma-control 的原理，并给出 PC 仿真的误差与耗时。