Patent ID: 7139429
Filing Date: 2006-11-21
Classification: G06K

Abstract:
1. An image recognition system comprising: an examining part which examines as to how much input image parts resemble a predetermined figure comprising a plurality of elements, said plurality of elements each having the same shape, and gives a first score on each image part as to how much it resembles the element of the predetermined figure, and gives a second score on the image parts as to how much a positional relationship therebetween resembles that of the elements of the predetermined figure; and a determining part which determines as to whether or not the input image parts coincide with the predetermined figure by using the first respective scores and the second score synthetically, wherein said examining part comprises a measurement part which measures the number of pixels each having a gray-scale level higher than a predetermined threshold on a foreground part, and measures the same on a background part of each image part, and a first scoring part which gives a score as to relationship between the thus-measured numbers of pixels, and wherein said measurement part does not measure the number of pixels on the background part near the boundary with the foreground part when the measured number of pixels on the foreground part is larger than a predetermined value.