function result = func_ReadRaw(filename, nSize, nRow, nColumn)% Matlab implementation of SPIHT (without Arithmatic coding stage)%% Read a RAW format gray scale image from disk%% input:    filename : input file%           nSize : size of the output image%           nRow : row of the output image%           nColumn : column of the output image%% output:   result : output data in matrix format%% Jing Tian% Contact me : scuteejtian@hotmail.com% This program is part of my undergraduate project in GuangZhou, P. R. China.% April - July 1999fid = fopen(filename,'rb');if (fid==1)   error('Cannot open image file...press CTRL-C to exit ');pauseendtemp = fread(fid, nSize, 'uchar');fclose(fid);result = reshape(temp, [nRow nColumn])';