Patent ID: 6173296
Filing Date: 2001-01-09
Classification: G06F,G09G,H04N

Abstract:
In a computer system which receives pages of information from other computer systems over a distributed network and which displays images contained in received pages on a display device, a method for reducing flicker of displayed images comprising the steps of:receiving from one of the other computer systems a page of information having a plurality of images that can be separately identified, at least one of which exhibits a tendency to flicker if displayed without modification on the display device;performing spatial analysis on a selected one of said images to determine if said selected image contains spatial frequencies such that said selected image would exhibit a tendency to flicker if displayed unmodified on the display device;if said spatial analysis on said selected image indicates that said selected image would exhibit a tendency to flicker if displayed unmodified on said display device then modifying said selected image to reduce flicker by performing at least the steps of:selecting a flicker reduction filter to be used on said selected image; andapplying the selected flicker reduction filter in order to reduce flicker of saidselected image; anddisplaying said selected image on the display device.