DITHERING CIRCUIT AND METHOD

摘要

PURPOSE: A dithering circuit and a method for the same are provided to implement a dithering matrix value, which is designated by a pixel address as a certain value in a dithering matrix, by using logic gates, and to implement the gates in a software manner. CONSTITUTION: In a dithering circuit for implementing an N-by-N dithering matrix, a plurality of XOR gates receive binary bits of a row and a column, and then perform an exclusive OR operation of the received binary bits. The row and column represent the pixel address of a certain location in the N-by-N dithering matrix. A pixel value of the N-by-N dithering matrix is comprised of the outputs from the XOR gates, and binary bit values of a column, which are inputted into the XOR gates. The values that represent a location in the N-by-N dithering matrix are obtained by the remainder of N.