Techniques for modifying aspects of the gamut mapping function in a multi-primary display system influence the performance of the display or the perception of certain ones of the colors. One embodiment of the system comprises a method for selecting a metamer. Other embodiments provide methods for modifying...http://www.google.de/patents/US8013867?utm_source=gb-gplus-sharePatent US8013867 - Systems and methods for implementing improved gamut mapping algorithms