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Hi, I want to apply arithmetic coding to the image. Can anyone help me?

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javad danesh
javad danesh 2021-12-25
回答： yanqi liu 2021-12-27
Hi, I want to apply arithmetic coding to the image. Can anyone help me?

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Walter Roberson
Walter Roberson 2021-12-25
yanqi liu
yanqi liu 2021-12-27
clc; clear all;
close all;
img = imread('cameraman.tif');
data = img(:);
input=double(data);
[alphabet,~,seq]=unique(input);
counts = histc(input,alphabet);
code = arithenco(seq,counts);
dseq = arithdeco(code,counts,length(input));
dseq = reshape(dseq,size(img,1),size(img,2));

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