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An implementation program for a classic L1 norm solution in compressed sensing, with wide-ranging applications across various domains including signal processing and optimization. This code demonstrates sparse signal representation through L1 minimization using optimization techniques.

MATLAB 191 views Tagged

This comprehensive image processing program demonstrates techniques for compression, denoising, enhancement and sharpening. Implementation includes: displaying digital image matrix data and its Fourier transform, image compression using 2D discrete cosine transform (DCT), contrast enhancement via grayscale transformation, salt-and-pepper noise removal using medfilt2 2D median filtering, mean filtering with filter2 for noise reduction, adaptive Wiener filtering, five distinct gradient enhancement methods for sharpening, high-pass filtering with mask processing, Butterworth low-pass filter for image smoothing, and Butterworth high-pass filter for sharpening operations.

MATLAB 275 views Tagged

A MATLAB-based implementation of CART (Classification and Regression Trees) algorithm for pattern recognition tasks, supporting both classification and regression analysis. The package includes detailed documentation, sample routines, and code explanations covering key functions like tree building, node splitting using Gini impurity, and pruning techniques.

MATLAB 335 views Tagged