imload.m

算术编码是把一个信源表示为实轴上0和1之间的一个区间

function [A] = imload(imname,nrows,nclmns)


% The function loads an image in matlab.

% Usage: 	A = IMLOAD ('IMNAME', NROWS, NCLMNS)

%	where	A: 	image in a matrix

%		IMNAME:	name of the image file to be loaded in matlab syntax

%		NROWS:	number of rows in the image

%		NCLMNS:	number of columns  in the image


 fid = fopen(imname,'r');

 size = [nrows, nclmns];

 A = fread(fid, size);

 fclose(fid);