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Compression

Wavelet spatial orientation tree, SPIHT, EZW, WDR, AWDR, matching pursuit

Compress signals and images using wavelet analysis and matching pursuit methods. Generate code from the Wavelet Analyzer app.

Functions

wcompress True compression of images using wavelets
wpdencmp De-noising or compression using wavelet packets
measerr Approximation quality metrics
wmpalg Matching pursuit
wmpdictionary Dictionary for matching pursuit

Apps

Wavelet Analyzer Analyze signals and images using wavelets

Topics

Compression

Wavelet Data Compression

Learn how to obtain sparse representation of a signal using wavelets.

2-D Wavelet Compression

Use wavelet 2-D true compression to reduce the number of bits needed to represent an image.

2-D Wavelet Packet Analysis

Analyze an image with wavelet packets using the Wavelet Analyzer app.

Wavelet Compression for Images

Learn about quantization for true compression of images and about different compression methods.

MATLAB Code Generation

Generate MATLAB Code for 1-D Decimated Wavelet Denoising and Compression

Generate code from the Wavelet Analyzer app for 1-D decimated discrete wavelet transform denoised and compressed data.

Generate MATLAB Code for 2-D Decimated Wavelet Denoising and Compression

Generate code from the Wavelet Analyzer app for 2-D decimated discrete wavelet transform denoised and compressed data.

Generate MATLAB Code for 1-D Stationary Wavelet Denoising

Generate code from the Wavelet Analyzer app for 1-D stationary wavelet transform denoised data.

Generate MATLAB Code for 2-D Stationary Wavelet Denoising

Generate code from the Wavelet Analyzer app for 2-D stationary wavelet transform denoised data.

Generate MATLAB Code for 1-D Wavelet Packet Denoising and Compression

Generate code from the Wavelet Analyzer app for 1-D wavelet packet transform denoised and compressed data.

Generate MATLAB Code for 2-D Wavelet Packet Denoising and Compression

Generate code from the Wavelet Analyzer app for 2-D wavelet packet transform denoised and compressed data.

Matching Pursuit

Matching Pursuit

Create matching pursuit dictionaries and perform matching pursuit on 1-D signals.

Matching Pursuit Algorithms

Learn about basic, orthogonal, and weak orthogonal matching pursuit algorithms.

Matching Pursuit Using Wavelet Analyzer App

Use the Wavelet Analyzer app to perform matching pursuit.

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