Abstract: A shopping system using augmented reality is disclosed. The shopping system comprising; a camera to capture the picture of a product; a computer vision program to recognize the identity of the product; a GPS to detect the location of the camera; a database that associates each identity of a product with commercial information related to the product and the product location; and a display to present the commercial information of the product based on the camera location once the picture is captured.

Abstract: A remote search method is disclosed to search a printed book, video presented on a computer display, or movie displayed on TV screen. The method utilizes a digital camera of a mobile phone, tablet, or optical head-mounted display. The digital camera captures the picture of the book, video or movie and presents the search result on the digital camera display in real time.