Image compression

Huffman Coding Matlab Code

Huffman code is an optimal prefix code found using the algorithm developed by David A. Huffman while he was a Ph.D. student at MIT, and published in the 1952 paper "A Method for the Construction of Minimum-Redundancy Codes". The process of finding and/or using such a code is called Huffman coding and is a common technique in entropy encoding, including in lossless data compression. The algorithm's output can be viewed as a variable-length code table for encoding a source symbol (such as a character in a file).

Hierarchical rgb image compression with gui in matlab

The following Matlab project contains the source code and Matlab examples used for hierarchical rgb image compression with gui. The code performs the following operations: 1. DCT and Quantization on luma an crome components. 2. Zigzag scaning followed by encoding and decoding 3. Inverse DCT and Quantization. To run the code: Just run the file hierarchical.m and it will the gui.


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