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Image compression with wavelets, DCT & spectral density


From: MysticEyeBlink
Subject: Image compression with wavelets, DCT & spectral density
Date: Wed, 26 Mar 2008 23:39:39 +0100
User-agent: Thunderbird 2.0.0.9 (Windows/20071031)

I made two scripts for image compression with wavelet (WaveLab850) and DCT.
My problem is: how to compute a spectral density and compression error.
The second problem is: my script to wavelet compression is too simply (example from wiki wavelab: http://wiki.octave.org/wiki.pl?WavelabOnOctave) and I don't know how to control compression factor.
Please help :)
--
With kind regards / Z pozdrowieniami,
Pawel
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