Patent ID: 8284834

Claim:
A video-signal processing apparatus comprising: a video-signal input unit to which a video signal including multiple images arranged in a time sequential manner is input; a time-division output unit configured to output, in a time-division manner, the video signal constituting n images corresponding to the multiple images; signal processing units configured to individually perform image quality adjustments on the n images output from the time-division output unit; operation input units that receive user inputs from one or more users upon display of each of the n images to the one or more users, the user inputs including adjustment values corresponding to the image quality adjustments performed by the signal processing units; and image output units configured to output images that have been subjected to the image quality adjustments using the signal processing units, wherein the signal processing units include area specifying units configured to specify, within an area where the images are displayed, areas to be subjected to the image quality adjustments, and the signal processing units perform image quality adjustments only on images output to the areas specified by the area specifying units.