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Table 5 The expected average decomposition depth for anisotropic WP distributions (b = 1/ 4, c = 0)

From: Assessing JPEG2000 encryption with key-dependent wavelet packets

Aniso. g D g a D g a c
2 1.55556 1.64063
4 3.53125 2.89673
6 5.53020 3.85843
8 7.53014 4.59474
10 9.53014 5.15847