How to compress JPEG image using Matlab?

I have try up some code of JPEG image compression but I can't understand the code. That's why i need some tutorial link or reference to learn the compression code for JPEG. Pls help me~ TQ

Answer 1

[Thomas]

Here are some links:

http://www.mathworks.com/matlabcentral/fileexchange/4772-image-compression

http://www.owlnet.rice.edu/~elec539/Projects99/JAMK/proj1/