1. An information processing apparatus, comprising: a memory storing therein feature amounts of standard commodities; and a processor coupled to the memory, the processor configured to: photograph a commodity to capture an image of the commodity; extract feature amount of the commodity from the captured image; calculate a similarity degree by comparing the feature amount of a standard commodity which is determined as a recognition target in setting information in which the standard commodity serving as a recognition target is set within the plurality of standard commodities with the feature amount of the extracted commodity; and recognize a standard commodity of which the calculated similarity is greater than a threshold value as a candidate of the commodity.