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how to obtain "4-level wavelet tree"

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Elysi Cochin
Elysi Cochin 2015-5-13
编辑： Elysi Cochin 2015-5-15
how to obtain "4-level tree-structured wavelet decomposition on gray image", and is it possible to save each node values in separate variable so that i can compute features from the node value... please do help me

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Walter Roberson
Walter Roberson 2015-5-14
See for example http://www.mathworks.com/help/wavelet/ug/wavelet-packets.html and notice the "level" variable.

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