Patent ID: 7317445
Filing Date: 2008-01-08
Classification: G09G,H04N

Abstract:
1. A method for reducing motion blur, flicker and loss of brightness of images shown in non-stroboscopic display devices, in which each image of an input video signal is displayed during a display time t i , which is less than or equal to a picture period T, comprising the steps of: measuring motion and the characteristics of motion in the images of the input video signal; and adjusting display time t wherein the input video signal is filtered to pre-compensate for the viewer's integration of pixel intensities along the motion trajectory of moving objects in the input video signal, which can be interpreted as a motion-dependent low-pass filtering in the spatial frequency domain, and that the sort and amount of this anti-motion blur filtering is jointly controlled with the display time t and wherein, with increasing measured amount of motion, the amount of anti-motion blur filtering is steadily increased until a maximum amount of anti-motion blur filtering is reached and that with said increasing measured amount of motion, the display time t