Patent ID: 6285780
Filing Date: 2001-09-04
Classification: A01K

Abstract:
An individual animal identification apparatus comprising:an eye region image pick-up unit for obtaining an input image by taking a picture of an eye, including an iridial granule in an iridial granule region, of an animal to be registered and identified;a geometric normalizer for performing a coordinate transformation process to normalize said iridial granule by using a specified parameter to move said iridial granule region of the input image onto predetermined coordinates;a feature extractor for extracting a feature of said normalized iridial granule;a dictionary memory for registering feature data on features of iridial granule regions corresponding to animals to be registered, said data having been extracted by said feature extractor; anda collator for checking whether or not an animal to be identified has been registered by comparing data on said feature of said iridial granule region corresponding to the animal under identification, said feature having been extracted by said feature extractor, with said feature data registered in said dictionary memory.