i have a web application, where i create (on server side) thumbails for images. Some of them are market (in my image viewer) as "JPEG, progressive, CMYK". I searched the web for hours and try many many different approaches to rescale such images, but nothing work's.
Somebody any idea to resize this images, without loosing the color informations (and get very ugly images)?
I attach a sample image, which makes this problem.