Patent ID: 8508672

Claim:
A method for generating real-time images from an input video image signal for display by a spatial light modulator video display system, comprising: receiving the input video image signal comprising data representing sequential image frames in frame format; separating luminance and chrominance components of the received data representing an image frame; computing maximum luminance and minimum luminance components from the separated luminance components for the frame using a spatial filter; generating a plurality of sub-frames from the frame using the luminance, maximum luminance and minimum luminance components for the frame, the sub-frames having different levels of spatial-frequency content and being ordered in a display sequence with sub-frames having the highest spatial-frequency content being near the center of the sequence, sub-frames having the lowest spatial-frequency content being near the beginning or end of the sequence, and sub-frames having spatial-frequency content between the highest and lowest being between the center and beginning or end of the sequence; recombining the luminance and chrominance components of the sub-frames in the ordered display sequence; reformatting the ordered display sequence of recombined component subframes into a correspondingly ordered sequence of bit planes; and using the correspondingly ordered sequence of bit planes to sequentially set pixels of the spatial light modulator for display of a video image corresponding to the image frame.