2. The recognition dictionary evaluation apparatus according to claim 1 , further comprising: a reception module configured to receive the invalidation of either of the low recognition commodity and the incorrect recognition commodity; and an invalidation module configured to invalidate the feature amount data of the commodity of which the invalidation of recognition dictionary file is received.
2. The recognition dictionary evaluation apparatus according to claim 1 , further comprising: a reception module configured to receive the invalidation of either of the low recognition commodity and the incorrect recognition commodity; and an invalidation module configured to invalidate the feature amount data of the commodity of which the invalidation of recognition dictionary file is received. 3. The recognition dictionary evaluation apparatus according to claim 2 , further comprising: a re-calculation module configured to calculate the recognition rate by item of each commodity according to the feature amount data of the recognition dictionary file in a state where the feature amount data associated with the item of which the invalidation is received by the reception module is deleted from the recognition dictionary file; and a re-evaluation module configured to evaluate whether the correct recognition rate obtained for each commodity according to the recognition rate by item of each commodity calculated by the re-calculation module meets the evaluation condition.