Patent ID: 8401228
Filing Date: 2013-03-19
Classification: G06K,G06T,H04N

Abstract:
1. An image recognition device comprising: an imaging unit configured to acquire first image information, second image information, and third image information; a holding unit configured to hold reference information that functions as a reference image; a detection unit connected to the holding unit and configured to detect a first difference between at least a part of the first image information and the reference information, detect a second difference between at least a part of the second image information and the reference information, and detect a third difference between at least a part of the third image information and the reference information; a recognition unit connected to the detection unit, configured to make a first determination whether or not the first difference is within a predetermined range, and configured to make a second determination whether or not the second difference is within the predetermined range; a changing unit connected to the recognition unit and configured to change the predetermined range based on the first determination, the second determination, the first difference, and the second difference, the changing unit being configured to change the predetermined range based on an average of the first difference and the second difference; and the recognition unit being configured to recognize an area corresponding to the reference image in the third image information based on the third difference and the predetermined range which has been changed.