Tangible search for stacked objects

Authors:
Kensaku Fujii;Jun Shimamura;Kenichi Arakawa;Tomohiko Arikawa
Affiliations:
Nippon Telegraph and Telephone Corporation, Kanagawa, Japan;Nippon Telegraph and Telephone Corporation, Kanagawa, Japan;Nippon Telegraph and Telephone Corporation, Kanagawa, Japan;Nippon Telegraph and Telephone Corporation, Kanagawa, Japan
Venue:
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Year:
2003

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Abstract

The goal of Tangible Search is to more effectively support the user in physically locating one of a number of stacked objects. It consists of two operations - automatic logging of stacked objects and direct annotation; image processing is used to determine the heights of the stack and of the user's finger. Tangible Search offers stable and accurate 3D analysis since it uses our previously proposed method. It employs a single camera with a compound half-mirror; this configuration also allows the top and side views of the stack to be captured simultaneously. Our approach is to make it easier for the user to handle stacks of items; it will enhance the tabletop metaphor for intuitive interaction in real-world environments where stacks are very common.