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arithmetic

Arithmetic encode/decode

codingdemos

MATLAB Demos of image and video compression techniques. Includes full JPEG implementation and many reusable components in packages. Targeted at demonstrating to University and high-school level students, but useful for MSc/PhD level students for code components. Uses MATLAB OO features hence requires R2008a+ and depends on the Image and Video Processing Toolbox. Fully portable. Developed at the University of Bristol.

dwt_img_comp

DWT based Image compression technique implementation in Matlab

image-compression

A image compression algorithm implemented in MATLAB.

image-compression-1

Implemented an image processing program that does compression using several transform methods, namely, Fourier Transform, Cosine Transform and Hadamard Transform. The program is written with a graphical user interface using Matlab and Guide. User selects an input image and a transform method using the GUI and input image is compressed and written to a specific file format. -Implemented using MATLAB and Guide

image-compression-project

Image Compression with patch based pca in matlab

image-compression-with-k-means-matlab

Matlab

image_and_video_compression

Image and Video Compression programs in MATLAB

image_compression

Image compression in Matlab using Huffman coding and decorrelation by DPCM

imagecompression

Write two computer programs in matlab, one to implement monochrome image lossy compression and the second to implement decompression. The images size will have a height of 768 pixels and width of 1024 pixels and each pixel will have an intensity value in the range 0 to 255. The uncompressed image will thus require 786432 bytes to store uncompressed.The test images will be supplied as a monochrome raw pgm files, which your compression program should be able to read. Your program will generate a compressed file of your own format to represent the image and will then exit.Your decompression program will be required to read your compressed file and will decom- press the image and write out the reconstructed image as a monochrome pgm file.You may use a web browser, Matlab or any other program as an image viewer only. No other libraries or helper programs should be used.

imageprocessing

imageprocessingproj

Image Processing (Compression) project

jpeg-compression-matlab

Implemented the JPEG Image Compressor in Matlab

matrixmethodsproject

Manipulating color representations within images in Matlab to determine which color models work the most efficiently with the JPEG compression algorithm.

ryg_rans

Simple rANS encoder/decoder (arithmetic coding-ish entropy coder).

savepng

savepng is a very efficient PNG image compression MEX-routine that outperforms MatLab's built-in imwrite in compression times and smaller file sizes.

svd_image_processing

Image compression and text analysis using the singular value decomposition tools in MATLAB

svdcompression

Image compression via singular value decomposition in MATLAB

ti-arithmetic

Arithmetic encoding

transmission-of-jpeg-image-over-a-network-using-standard-jpeg-compression-technique

A standard JPEG image was encoded and then transmitted over the network using MATLAB. The error introduced due to transmission was then detected and corrected by Forward Error Correction (FEC) method.