Image Quality Estimation by Entropy and Redundancy Calculation for Various Wavelet Families
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Abstract
We implement image compression using various wavelet filter banks and measure performance with rate distortion characterizations.
Various separable filter banks are chosen and compared. Coefficients in the subbands obtained by wavelet decomposition are quantized. The image is then reconstructed from the quantized coefficients, and distortion is measured. Three distortion measures are used: Entropy of reconstructed image, energy retained (ER) and redundancy.
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Sarita Kumari, Ritu Vijay. Image Quality Estimation by Entropy and Redundancy Calculation for Various Wavelet Families. J. Int. Acad. Phys. Sci. [Internet]. 2011 Dec. 15 [cited 2024 Apr. 25];15(4):507-14. Available from: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/535
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