Patent ID: 9430959
Filing Date: 2016-08-30
CPC Classification: G06K,G09G

Claim Text:
1. A method for judging whether a unit pixel is included in a character region on a display screen including a plurality of unit pixels, each unit pixel having three or more primary color sub-pixels arranged therein, the method comprising: specifying, with a processor, a pixel of interest; when the pixel of interest is specified, automatically specifying, with a processor, the pixel of interest and a predetermined number of unit pixels adjacent to the pixel of interest, as a judgment region, wherein the predetermined number of unit pixels is a positive integer greater than 0; automatically determining, with the processor, the largest of values of the primary color sub-pixels of each of the unit pixels in the judgment region, as a respective representative value of the respective unit pixel; and based on a subset of a histogram of the representative values of the unit pixels in the judgment region being greater than a threshold value, automatically determining, with the processor, that the pixel of interest is included in a character region.