YUV9

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(n.) An image color format with significant sub-sampling, typically used with compressed video technologies, such as Indeo and Sorenson Video. For every 16 luminance (Y) samples in a 4×4 pixel block, a single hue (U) component and a single chroma value (V) is used. Such radical color sub-sampling produces relatively small files with low color fidelity. YUV9 sub-sampling may result in undesirable artifacts at the edges of highly saturated areas. (n.) An image color format with significant sub-sampling, typically used with compressed video technologies, such as Indeo and Sorenson Video. For every 16 luminance (Y) samples in a 4×4 pixel block, a single hue (U) component and a single chroma value (V) is used. Such radical color sub-sampling produces relatively small files with low color fidelity. YUV9 sub-sampling may result in undesirable artifacts at the edges of highly saturated areas.