Iterative block-median pyramid transform-based denoising

Vladimir P. Melnik; Ilya Shmulevich; Karen O. Egiazarian; Jaakko T. Astola

doi:10.1117/12.366807

26 October 1999 Iterative block-median pyramid transform-based denoising

Vladimir P. Melnik, Ilya Shmulevich, Karen O. Egiazarian, Jaakko T. Astola

Proceedings Volume 3813, Wavelet Applications in Signal and Image Processing VII; (1999) https://doi.org/10.1117/12.366807
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

A nonlinear block-median pyramidal transform has been proposed. This transform is based on the iterative application of the median operation and linear Lagrange interpolation. The probability distribution of the transform coefficients has been analytically derived for i.i.d. input signals. The results of this statistical analysis are used for selecting the thresholds for denoising applications. Numerical simulation results are presented.

Citation Download Citation

Vladimir P. Melnik, Ilya Shmulevich, Karen O. Egiazarian, and Jaakko T. Astola "Iterative block-median pyramid transform-based denoising", Proc. SPIE 3813, Wavelet Applications in Signal and Image Processing VII, (26 October 1999); https://doi.org/10.1117/12.366807

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