| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable more accurate identification of an article of commerce in light of the size of the article.SOLUTION: An article-of-commerce reader of an embodiment comprises: imaging unit; extraction means; measuring means; determination means; and identification means. The imaging means images an article of commerce. The extraction means extracts an external feature quantity of the article from an image of the article picked up by the imaging unit. The measuring means measures a distance from the imaging means to the article. The determination means determines a size of the article on the basis of the distance measured by the measuring means and a magnitude of the article in the image. The identification means identifies the article on the basis of the external feature quantity extracted by the extraction means and the size determined by the determination means.</p> |
