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Logarithm energy and Shannon entropy?

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asmaa atalaa
asmaa atalaa on 9 Mar 2018
Closed: John D'Errico on 9 Mar 2018
For best tree decomposition using wavelet packets, i have tried both Shannon and log energy entropy functions (on an image). I noticed that log energy leads to images with higher PSNR values. Could you please help me explaining the reason?

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