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EURASIP Journal on Information Security

Table 4 The expected average decomposition depth for isotropic WP distributions (b = 1/ 4, c = 0)

From: Assessing JPEG2000 encryption with key-dependent wavelet packets

Iso. g

D g

D g c

D g f

1

0.5

0.857

1

2

1.41176

1.6406

1.90625

3

2.41174

2.3105

2.70703

4

3.41174

2.89673

3.40967

5

4.41174

3.40946

4.02496

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