On Tue, Jul 3, 2012 at 5:56 PM, klo uo <klonuo@gmail.com> wrote:

I was wondering if it's possible by using scikits-image to detect if arbitrary image suffers from compression artifacts.

The easiest may be to load the image, then save it again as JPG. If the image size remains the same, you probably had a JPG to start with. Stéfan