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Graphics Interchange Format  |  1997-01-13  |  42KB  |  539x211  |  4-bit (16 colors)
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OCR: *COS (2 ) + 1)I] 16 16 216 where: Con, C() === for w.v=0 and Co. Co)=1. otherwise Figure 2: (a) Forward discrete cosine transform (FDCT); (b) inverse discrete cosine transform (IDCT).