Patent ID: 8690342
Filing Date: 2014-04-08
Classification: H04N

Abstract:
1. A method of operating a scanning laser projector comprising at least one semiconductor laser and scanning optics configured to scan a projected laser beam through a 2D array of image pixels of successive image frames, wherein the method comprises: identifying desired intensity values for groups of neighboring pixels in the 2D array of image pixels, wherein the neighboring pixels of a group lie along separate scan lines of the array and are each characterized by a desired intensity value P; assigning a minimized intensity value P assigning a compensatory intensity value P* to a remaining pixel of the group of neighboring pixels, wherein the compensatory intensity value P* is selected to compensate for an intensity difference between the desired intensity value P of the selected pixel and the minimized intensity value P displaying an image with the scanning laser projector utilizing minimized intensity values P where P i1 and P j1 represent desired intensity values of a group of neighboring pixels and P MAX represents the maximum pixel intensity of the scanning laser projector.