An original image 402, conversion images 404a-404c provided by executing gamut compression systems, and a mix percentage scale 406 are displayed on a display. The user can click on any one of the conversion images 404a-404c for specifying a user-adjusted image 403. Further, when the user clicks on the...http://www.google.ca/patents/US5987165?utm_source=gb-gplus-sharePatent US5987165 - Image processing system