Haar Wavelet Image Compression

Versione 1.0.0.0 (2,99 KB) da Chathura
RGB and Grey image compression using Haar Wavelet Transform
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Aggiornato 29 mag 2016

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'haar_wt' function take a grey image and a value 'delta' as inputs and outputs a compressed image. Haar wavelet transformation was used as a transformation matrix for compression process. 'haar_wt_rgb' does the same for an RGB image. In here, 'delta' value governs the compression ratio. 'delta' is a value between 0 and 1, when delta=0, no compression is done. These functions can be considered as a starting point for analysis of Haar wavelet transformation based image compression. Implementation was based on following source.
Reference : math.osu.edu/~husen/teaching/572/image_comp.pdf

Cita come

Chathura (2026). Haar Wavelet Image Compression (https://it.mathworks.com/matlabcentral/fileexchange/57392-haar-wavelet-image-compression), MATLAB Central File Exchange. Recuperato .

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1.0.0.0