Patent ID: 7324676
Filing Date: 2008-01-29
Classification: G06T

Abstract:
1. An abnormal shadow detecting method comprising the steps of detecting primary prospective abnormal shadow regions in images of objects by different kinds of detecting processes, determining whether or not the respective primary prospective abnormal shadow regions are of a desired abnormal shadow by methods different from each other according to the kinds of processes by which the respective primary prospective abnormal shadow regions are detected, and outputting as final prospective abnormal shadow regions only primary prospective abnormal shadow regions which are determined to be of a desired abnormal shadow; wherein whether or not the respective primary prospective abnormal shadow regions are of a desired abnormal shadow is determined on the basis of a combination of a plurality of characteristic values for the respective primary prospective abnormal shadow regions predetermined by the kinds of processes by which the respective primary prospective abnormal shadow regions are detected.