Patent ID: 11869226
Assignee: PIXART IMAGING INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An image pattern determining method, comprising:
(a) classifying a single target image to a plurality of image blocks, wherein each of the image blocks comprises at least one pixel;
(b) calculating pixel differences between pixel value sums of at least one of the image blocks and neighboring image blocks of the image block;
(c) calculating image variation levels of each of the image blocks in a plurality of directions according to the pixel differences; and
(d) determining whether the single target image comprises a strip image or not according to the image variation levels;, wherein the step (d) determines whether the single target image comprises the strip image or not according to numbers of the image blocks which have different image variation levels in different specific directions.