1616 search results - page 261 / 324 » On Edge Detection on Surfaces |
CHI
2009
ACM
14 years 8 months ago
2009
ACM
In this paper, we consider a passive approach to tactile presentation based on changing the surface textures of objects that might naturally be handled by a user. This may allow d...
CHI
2002
ACM
14 years 8 months ago
2002
ACM
Users interacting with front-projected displays often work between the projector and the display surface. This causes undesirable projection on the user as well as temporary blind...
CHI
2001
ACM
14 years 8 months ago
2001
ACM
Group meetings and other non-desk situations require that people be able to interact at a distance from a display surface. This paper describes a technique using a laser pointer a...
TEI
2009
ACM
14 years 2 months ago
2009
ACM
Although many augmented tabletop systems have shown the potential and usability of finger-based interactions and paper-based interfaces, they have mainly dealt with each of them ...
SP
2009
IEEE
14 years 2 months ago
2009
IEEE
This paper presents a novel technique for authenticating physical documents based on random, naturally occurring imperfections in paper texture. We introduce a new method for meas...