Patent ID: 9134812
Filing Date: 2015-09-15
Classification: G06F,G06K

Abstract:
1. An image positioning method, comprising: capturing an image frame with an image sensor; identifying a pixel or a plurality of adjacent pixels in the image frame having an intensity value larger than an intensity threshold as at least one object image in the image frame with a processing unit, wherein the intensity threshold is dynamically set as an average of intensity values of pixels of a previous image frame multiplied by a ratio X which is greater than zero and less than or equal to one, and the previous image frame is captured by the image sensor; comparing, using the processing unit, an object image size of the at least one object image with a size threshold, which is a predetermined number of pixels, and identifying the object image having the object image size larger than the size threshold as a reference point image; and positioning the reference point image with the processing unit according to intensity values and pixel positions of at least a part of pixels of the reference point image.