MATLAB Implementation of Digital Image Processing Techniques
Comprehensive digital image processing implementations including Fourier Transform, Wavelet Transform, Sharpening Algorithms, Histogram Equalization, and more
Wavelet Transform Principle Tutorial with MATLAB Implementation
A comprehensive tutorial on wavelet transform principles through various MATLAB experiments, including sample code implementations for: 1D linear/nonlinear approximation, 2D linear/nonlinear approximation, noise filtering using linear filtering, noise removal via wavelet thresholding, 1D signal compression using wavelet transforms, and 2D wavelet image compression with algorithm explanations.
Wavelet Packet-Based Bandpass Filter Design
A wavelet packet-based bandpass filter design program featuring fast wavelet transform algorithms and reconstruction methods. The implementation demonstrates signal bandpass filtering through wavelet transforms, utilizing orthogonal wavelet packets to decompose complex-frequency signals into distinct frequency bands. The program enables targeted frequency extraction using wavelet packet decomposition coefficients, followed by signal reconstruction through inverse wavelet packet transforms to achieve precise frequency component isolation.
Mexican Hat Wavelet Function Implementation
Program construction for 1D continuous wavelet transform using the Mexican Hat wavelet function with MATLAB code implementation details
Watermark Algorithm Implementation Using Wavelet Transform
This watermark algorithm implementation using wavelet transform is highly valuable for studying wavelet analysis and watermarking techniques! It demonstrates practical signal processing applications through multi-resolution decomposition and frequency-domain embedding approaches.
Image Contour Extraction Using Wavelet Transform for Registration
This program employs wavelet transform methodology to extract image contours for registration purposes. The implementation first detects edges using wavelet decomposition, identifies the longest continuous contour, computes curvature at sampled points, and performs data matching to determine optimal transformation parameters for precise image alignment.
MATLAB Implementation of Wavelet Transform-Based Principal Component Analysis for Face Recognition
A MATLAB program demonstrating the application of wavelet transform combined with principal component analysis in face recognition systems, featuring preprocessing, feature extraction, and classification implementation.
2nd Generation Wavelet Demonstration Program
2D wavelet transform implementation featuring Daubechies wavelet construction using the "à trous" algorithm (undecimated wavelet transform), cycle spinning method for Gibbs effect reduction, lifting scheme 9/7 implementation for vanishing moments, wavelet interpolation and construction techniques, wavelet filter design and denoising applications, Mallat algorithm for wavelet spectrum analysis, and classic sequence demonstrations with comprehensive code examples.
MATLAB Implementation of Wavelet Transform for Image Fusion
This MATLAB code implements image fusion using wavelet transform, leveraging the wavelet analysis toolbox wavemenu and employing the wavedec2() function for 2D discrete wavelet decomposition to merge features from two input images.
MATLAB Code Implementation of Wavelet Transform for Speech Enhancement
This MATLAB wavelet transform program for speech enhancement has been thoroughly tested with excellent performance results. The implementation demonstrates effective speech quality improvement through multi-resolution analysis.