1. A system for information identification, comprising: a database that registers information on an object in a memory unit; a first imaging unit that images, by a first imaging device, the object, at a plurality of imaging points, from a plurality of directions that are predetermined for the plurality of imaging points, respectively; a second imaging unit that images, by a second imaging device, the object from a certain direction at a certain imaging point; a registration unit that registers, by a processor, a plurality of pieces of information on the object imaged by the first imaging unit in the database, each of the plurality of pieces of information including location information of a corresponding one of the plurality of imaging points and direction information of a corresponding one of the plurality of directions; an identification unit that compares, by the processor, information on the object imaged by the second imaging unit with the plurality of pieces of information registered in the database to identify the object imaged by the second imaging unit, the information on the object imaged by the second imaging unit including location information of the certain imaging point and direction information of the certain direction.