SPIHT Coding Example: Pass 1, Sorting Step (1)

0 1 2 3 4 5 6 7

0

1

2

3

4

5

6

7

became significant

S = (0,0), (0,1), (1,0), (1,1)

Z = (R,0,1), (R,1,0), (R,1,1)

(R,0,1) is significant

output 1

S = (0,0), (0,1), (1,0), (1,1),

(0,2), (0,3), (1,2), (1,3)

output 1101 for signs of these

Z = (RC,0,1), (R,1,0), (R,1,1)

in S

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