In accordance with one embodiment, an information processing apparatus comprises an acquisition module configured to acquire an image of a commodity, a detection module configured to detect the commodity from the image acquired by the acquisition module, a recognition module configured to compare the feature amount of the commodity detected by the detection module with the feature amount of each reference commodity to recognize the reference commodity of which the similarity degree is greater than a threshold value as a commodity candidate, a commodity candidate display module configured to display the commodity candidates recognized before a given waiting time period elapses in the descending order of similarity degree, and then successively display the commodity candidates recognized after the waiting time period elapses in sequence, and a reception module configured to receive an operation of selecting one from the displayed commodity candidates.