PROBLEM TO BE SOLVED: To provide an object classification device for classifying objects between a group of known objects and a group of unknown objects.;SOLUTION: This object classification device (100) includes a sound and image data storage part (103) for storing the sound and image of the name of an object, a sound reliability calculation part (101) for calculating the sound reliability of sound about the name of the object to the sound of the name of a certain known object, an image reliability calculation part (105) for calculating the image reliability of the image of the object to an image of the certain object, and an object classification part (107) for classifying the target object to an object group determined on the basis of whether the sound of the name and the image are unknown or known by comparing an evaluation value obtained by combining the sound reliability and the image reliability with a threshold.;COPYRIGHT: (C)2013,JPO&INPIT
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