Luma AI releases Ray2 generative video model with ‘fast, natural’ motion and better physics
Impressively, all the motions in the example videos appear lifelike and fluid — with subjects moving much faster and more naturally.
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chroma subsampling
YCbCr Is Designated as 4:n:n (Y:Cb:Cr) The 4 is the sampling rate of the luma, and n:n represents Cb:Cr. Review the illustrations below. Each 8x8 matrix represents a "macroblock" of 64 pixels in a ...