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» Comparing and evaluating computer graphics and visualization...
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SOUPS
2005
ACM
15 years 3 months ago
Authentication using graphical passwords: effects of tolerance and image choice
Graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves rather than type alphanumeric strings. We have developed...
Susan Wiedenbeck, Jim Waters, Jean-Camille Birget,...
VVS
2000
IEEE
121views Visualization» more  VVS 2000»
15 years 2 months ago
Volumetric backprojection
Volumetric energy backprojection captures the effects of myriad physical processes including global illumination and reconstruction. We present a method to perform efficient volu...
Frank Dachille, Klaus Mueller, Arie E. Kaufman
CGI
1996
IEEE
15 years 1 months ago
Improved Specular Highlights With Adaptive Shading
Gouraud shading and Phong shading are widely used interpolation methods to render a polygon mesh of a curved surface. When an illumination equation has a specular reflection term,...
Youngkwan Cho, Ulrich Neumann, Jongwook Woo
CHI
2006
ACM
15 years 10 months ago
Interacting with communication appliances: an evaluation of two computer vision-based selection techniques
Communication appliances, intended for home settings, require intuitive forms of interaction. Computer vision offers a potential solution, but is not yet sufficiently accurate.As ...
Jacob Eisenstein, Wendy E. Mackay
SIGGRAPH
1997
ACM
15 years 1 months ago
Interactive simulation of fire in virtual building environments
This paper describes the integration of the Berkeley Architectural Walkthrough Program with the National Institute of Standards and Technology’s CFAST fire simulator. The integ...
Richard W. Bukowski, Carlo H. Séquin