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updated 1 month ago

A novel approach for image compression based on multi-level image thresholding using Shannon Entropy by Sujoy Paul

Implementation of an Image Compression ALgorithm (image processing, image segmentation, image compressiondiff...)

J=compressImage(I,Level)

T=diffEvolution(h,D,max_runs)

entropy=shannonEntropy(x,h)

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updated 3 months ago

K Means Algorithm with the application to image compression by Jason Joseph Rebello

This program uses the K means clustering algorithm to group the pixels in an image for compression (clustering, computer vision, image compression)

computeCost(X, idx, centroids, K)

computeNewCentroids(X, idx, K)

displayImage(I, XCompressed, K)

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updated 3 months ago

Image compression using Block Truncation Coding by Arun Kumar

Block Truncation Coding is a type of lossy image compression technique (block truncation codi..., image compression, image processing)

btcnew.m

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updated 5 months ago

fractal Image compression using Quadtree decomposition and huffman coding by Arun Kumar

Quadtree decomposition and Huffman techniques can be applied for achieving high compression ratio (image compression, image processing, quadtree decompositio...)

main.m

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updated 11 months ago

fractal image compression in DCT domain by mehdi

in this project I have implemented fractal image compression in DCT domain. (image compression, image codingfractal, fractal image coding)

PSNR.m

decnosrcch_dct.m

distnosearch.m

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updated 1 year ago

K Means Algorithm with the application to image compression by Jason Rebello

This program uses the K means clustering algorithm to group the pixels in an image (k means, clustering, unsupervised learning)

computeCost(X, idx, centroids, K)

computeNewCentroids(X, idx, K)

displayImage(I, XCompressed, K)

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updated 1 year ago

compression of rgb images using wavelet transforms by Anila Ann Varghese

This code can be used to compare compression of RGB images using different wavelet transforms (image processing, image compression, wavelet transforms)

rgbcompression_wavelet_transforms.m

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updated 1 year ago

Simulation of DCT, Walsh, Hadamard, Haar and Slant transform using variable block sizes by Cavin Dsouza

Performs non sinusoidal image transforms on gray-scale images and DCT using the dct matrix. (image processing, image compression)

H=haarmtx(n)

dstmtx(n)

getg(i)

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updated 1 year ago

Haar wavelet transform by Ullesh Chavadi M

The matlab code is for the 2D Haar transform. (image processing, image compression, gui)

[v,w]=haaar(a)

main(varargin)

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updated almost 2 years ago

image compression by abdelrahman esmat

image compression using svd (image compression)

out=svdpix(p)

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updated 2 years ago

P-Stage Wavelet Compression Tool by Brian Moore

Performs P-Stage Wavelet Compression on an input image and compares the fidelity of the i/o images. (wavelets, image compression, signal processing)

PStageWavelets(imageStr,iter,cf,varargin)

WaveletFunctions.m

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updated 2 years ago

Biorthogonal Wavelet Compression Tool by Brian Moore

Contains numerous functions to generate biorthogonal wavelets and compress grayscale/color images. (wavelets, biorthogonal wavelets, jpeg)

BWDesignTool(varargin)

BiorthogonalWavelets(imageStr,iter,cf,varargin)

CDFWavelets(l,lt,varargin)

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updated 2 years ago

Run Length coding v4 by Saket Dandawate

Implements runLength coding for image processing (image processing, run length coding, image compression)

[out]=runLengthCode(in,toDo)

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updated 2 years ago

Row Column Reduction coding by Angel Johnsy

A lossless image compression technique for blocks having high redundancy. (image compression, lossless compression, map image)

Row_Column_Reduction.m

Temp=Row_Column_Expansion(Temp,RV,CV)

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updated 2 years ago

JPEG with JSS for GrayScale Image Compression 2012 by Mohammed Siddeq

This method is new method for GrayScale image compression used JPEG and JSS method (signal processing, image processing, communications)

Im=JPEG_JSS_Decoding(FILE_PATH)

JPEG_JSS_Coding(Image_Name,Wname,QLevel1,QLevel2,JPEG_Qua...

[Header]=JSS_Coding(Image_Name,wname,QLevel1,QLevel2,JPEG...

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updated 2 years ago

iMAGE COMPRESSION by Aashique Hussain

we are using curvlet transform to yield a high compression ratio and low PSNR (communications, image compression)

ui(varargin)

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updated 3 years ago

Denoising guassian image by GAARK Microdevice

need to remove guassian noise (image compression, denoising, guassian noise)

code_3.m

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updated 3 years ago

Better Block scan by Said BOUREZG

Hilbert16.m Hilbert.m Hilbertinv16.m Hilbertinv.m lena512.bmp (medical, image processing, matrix)

file=Hilbert(T);

file=Hilbert16(T);

inv=Hilbertinv(T);

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updated 3 years ago

Image compression based on DCT by Said BOUREZG

compdct,decompdct,compdct,resize,proba,zigzag,zigzaginv zigzag16,zigzag32,rle,abais (communications, simulation, image compression)

XZv=irle(x)

Xrle=rle(XZv)

[output]=resize(input)

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updated 3 years ago

RLE coding by Said BOUREZG

rle.m irle.m Readme.m (signal processing, image compression, medical image compres...)

Output=irle(Input)

Output=rle(Input)

Readme.m

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updated 4 years ago

image compression by suvikram

it deals with the method by which the image of the frame can be compressed (image compression)

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updated 5 years ago

Image Compression by Vimal

This code proved to an efficient code for image compression using wavelet transform (image compression, the file test1m does ..., would you please help...)

Test1.m

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updated 5 years ago

Jpeg2000 compression using Simulink v2 by Jacques Kleynhans

I have tried my hand at drawing up a simulink block set *VERY BASIC* of jpec2000 compression. (simulink, jpeg2000, image compression)

Rocaries

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updated 6 years ago

WAVELET BASED IMAGE COMPRESSION AND SUB-BAND CODING by Krishna Mohan chowdary Adusumilli

Wavelets are used both in compression and coding (compression, image compression, subband coding)

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updated 6 years ago

image compression using run length ecoding by Shoeb Temrikar

rle application to image compression (compression, rle application, image compression)

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updated 7 years ago

Wavelet based image compression using segmentation by THAYAMMAL SUBBURAJ

The optimal wavelet function in wavelet based image compression system was examined using different (compression, image compression, wavelet)

Bior11.m

Bior11.m

Bior11.m

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updated 8 years ago

IMAGE COMPRESSION USING LBG ALGORITHM by AARATHY M

Vector Quantization (VQ), a well-known compression technique, which has been widely used ... (application, lbg algorithm, vector quantization)

[u, w, nw]=findweight(diff,win,c,fno,alpha,beta,gamma)

[y]=testlvq1(x)

y=lvqdecode(x,v)

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updated 10 years ago

RLE de/encoding by Stefan Eireiner

A simple m-file which (de)compresses your data using RLE. (coding theory, information theory, data compression)

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updated 10 years ago

Image Compression by Luigi Rosa

Demo source code for image compression. (compression, image compression, dct)

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

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updated 10 years ago

Lossy Image Compression by Vallabha Hampiholi

This function takes in a image and compresses it using block truncation coding. (compression, block truncation codi..., image compression)

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