Patent ID: 8379942

Claim:
An imaging device having an imaging unit, the imaging device comprising: an image recording unit that records an image captured by the imaging unit to a memory for storing; a characteristic acquiring unit that specifies a partial image corresponding to a particular object from the image captured by the imaging unit for recording by the image recording unit to the memory, and performs an operation to acquire characteristic information indicating characteristics of the particular object from the specified partial image; and a determination unit that determines whether the characteristic information has been acquired by the characteristic acquiring unit; wherein: in response to the determination unit determining that the characteristic information has been acquired, the image recording unit associates the characteristic information acquired by the characteristic acquiring unit with the specified partial image captured by the imaging unit from which the characteristic information has been acquired, and records a file containing the associated characteristic information and specified partial image to the memory for storing; the image recording unit records the characteristic information acquired by the characteristic acquiring unit in association with the specified partial image for each of a plurality of objects; and the imaging device further comprises an object determining unit that determines that the captured object is included in a newly captured image captured by the imaging unit when characteristic information extracted from the newly captured image is consistent with the characteristic information recorded to the memory.