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Graphics Interchange Format  |  1996-07-01  |  69KB  |  501x628  |  4-bit (16 colors)
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OCR: (a) 2:1 2ª1 7 LP LP FLP ILP c(1) Level 0 2ª d(J-4.k) 2:1 HP d(J-3.k) Level 1 HP d(J-2.k) Level 2. 2:1 HP d(J-1,k) Level 3 2:1 HP d(J.k) Level 4 (b) 5 4 321 d(J.k) 4321 0 d(J-1.k) 3210 2 1 0 -- d(J-2,k) 10 --- d(J-3.k) c(1) d(J-4.k) Figure 2: The free or pyramid algorithm of the forward fast wavelet transform (a) can be viewed as a partial graph of a binary tree (b). For a particular unit interval (2/ samples), a maximum of J levels of transform data can be formed.