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The JPEG standard used for the compression coding in JFIF files does not define which color encoding is to be used for images. JFIF defines the color model to be used: either Y for greyscale, or YCbCr derived from RGB color primaries as defined in CCIR 601 (now known as Rec. ITU-R BT.601), except with a different "full range" scaling of the Y ...
John Davison Rockefeller Sr. (July 8, 1839 – May 23, 1937) was an American businessman and philanthropist. He was one of the wealthiest Americans of all time [1] [2 ...