Patent ID: 8212796

Claim:
An image display apparatus for displaying an image corresponding to a signal selected by a user from among a plurality of images corresponding to a plurality of input signals, comprising: selection output means configured to output a signal selected from among said plurality of signals on the basis of the selection; feature quantity calculation means configured to calculate a feature quantity indicative of a status of an image corresponding to said signal outputted by said selection output means, divide said image into a plurality of partitions, identify a plurality of measuring points associated with pixels within each of the plurality of partitions, determine RGB values for each of said plurality of measuring points, and compare RGB values for each of said plurality of measuring points against previously determined RGB values for each of said plurality of portions to determine color differences associated with said feature quantity for the image display; status determination means configured to determine said status of said image on the basis of the feature quantity calculated by said feature quantity calculation means, said status includes a plurality of change levels associated with said color differences, said plurality of change levels include at least low, medium, and high, and said plurality of change levels are separated by threshold values distinguishing said color differences; and image quality change means configured to change a parameter for identifying an image quality of said image on the basis of said signal outputted by said selection output means and a determination result obtained by said status determination means.