Patent ID: 6597411
Filing Date: 2003-07-22
Classification: G09G,H04N

Abstract:
Apparatus for adjusting the level of moirÃ© in an image which has been digitally resized by an image resizing engine for display on a display device, comprising:an input correction block connected to an input of the image resizing engine for mapping each input pixel value of said image to a new value by means of a first transfer function prior to being resized by said resizing engine; and an output correction block connected to an output of the image resizing engine for mapping each pixel value of a signal output from said image resizing engine to a further new value by means of a second transfer function prior to being displayed by said display device, and whereby said second transfer function is chosen so as to adjust the level of moirÃ© in said image and said first transfer function is chosen so as compensate for changes in overall DC response of said display device resulting from said adjustment of the level of moirÃ©.