decodeJpeg

decodes encoded JPEG array into a Matlab array (image)

I was looking for this functionality for some time, but all file exchange submissions seem to be some custom decoders
Then on stackoverflow I found a snippet which uses java for decoding: http://stackoverflow.com/questions/18659586/from-raw-bits-to-jpeg-without-writing-into-a-file
This snippet worked for me and I am submitting it as a function here.

USAGE:
% get a stream of bytes representing an endcoded JPEG image
fid = fopen('football.jpg', 'rb');
data = fread(fid, Inf, '*uint8');
fclose(fid);

% decode jpeg
img = decodeJpeg(data);

% check results against directly reading the image using IMREAD
img2 = imread('football.jpg');
assert(isequal(img, img2))