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lunes, mayo 12, 2008

El famoso bug del croma en los DVD

Incluye una descripción de los formatos de compresión de video MPEG.


DVD Player Benchmark - Chroma Upsampling Error
Chroma Formats

For decades, video engineers have known that the eye is much less sensitive to color information than grayscale information. This is physiological in nature: the retina of the eye has more gray-sensitive cells, called "rods," than color-sensitive cells, called "cones." Your eyes can resolve much finer details in black and white than in color. For this reason, it's not necessary to store full color resolution on a video recording system. Your eye can't resolve it, so why waste space (money) for it?

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