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Graphics Interchange Format  |  1999-07-12  |  28.2 KB  |  454x208  |  4-bit (16 colors)
   ocr: stage stage2 stage3 stage.4 A a Re S + F3 Rif b 2 Figure 3: Fast 8-element, IDDCT(rom Loefler Ligtenberg, and Moschytz), Note tbar tbe, purple box encloses a 4-pomnt DCT; the: red bour encloses ( 2- point DCT.