VERFAHREN ZUR BEWAHRUNG VON RÄUMLICHEN DETAILS BEI ANWENDUNG EINER MEHRDIMENSIONALEN TONWERTTRANSFORMATION AUF EIN DIGITALES FARBBILD

摘要

A method for adjusting the color and tonal characteristics of a digital image, the method comprises receiving a digital image having two or more digital image channels; (b) separating each digital image channel into two signals; (c) modifying one of the signals with a multidimensional transform for adjusting the color and tonal characteristics of the digital image; and (d) combining the output of (c) with the remaining signal for producing an enhanced digital image.