(EN) The present invention provides a product retrieval device, method, and system which enable smooth purchase decisions of a plurality of products by consumers. A product retrieval device according to the preferred embodiment of the present invention is provided with: a physical-quantity acquisition unit (116) which acquires, from a product database (102), physical quantities of an image of a specific product; a first conversion unit (118) which converts, into information indicating sensitivity-space blocks, the physical quantities of the image of the specific product; a second conversion unit (122) which converts, into information indicating the range of the physical quantities of the image, the information indicating the sensitivity-space blocks; a category selection unit (123) which selects a category to be retrieved; and a retrieval unit (124) which, on the basis of the category to be retrieved and the information indicating the range of the physical quantities that has been obtained by the second conversion unit (122), retrieves, from the product database (102), images corresponding to the category to be retrieved and notable blocks. (ZH) 本发明提供一种能够让消费者顺利地做出购买多个商品的决定的商品搜索装置、方法及系统。本发明的优选方式所涉及的商品搜索装置具备:物理量获取部(116),从商品数据库(102)获取特定商品的图像的物理量;第1转换部(118),将特定商品的图像的物理量转换成表示感性空间的块的信息;第2转换部(122),将表示感性空间的块的信息转换成表示图像的物理量的范围的信息;分类选择部(123),选择搜索对象分类;搜索部(124),根据搜索对象分类及表示通过第2转换部(122)获得的物理量的范围的信息,从商品数据库(102)搜索与搜索对象分类及关注块相对应相对应的图像。
|