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NPAR
2000
ACM
14 years 2 months ago
Performance-driven hand-drawn animation
We present a novel method for generating performance-driven, “hand-drawn” animation in real-time. Given an annotated set of hand-drawn faces for various expressions, our algor...
Ian Buck, Adam Finkelstein, Charles E. Jacobs, All...
NPAR
2000
ACM
14 years 2 months ago
Line direction matters: an argument for the use of principal directions in 3D line drawings
While many factors contribute to shape perception, psychological research indicates that the direction of lines on the surface may have an important influence. This is especially ...
Ahna Girshick, Victoria Interrante, Steven Haker, ...
PLDI
2000
ACM
14 years 2 months ago
Safety checking of machine code
We show how to determine statically whether it is safe for untrusted machine code to be loaded into a trusted host system. Our safety-checking technique operates directly on the u...
Zhichen Xu, Barton P. Miller, Thomas W. Reps
PODS
2000
ACM
102views Database» more  PODS 2000»
14 years 2 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers
SAC
2000
ACM
14 years 2 months ago
XML Dataspaces for Mobile Agent Coordination
This paper presents XMARS, a programmable coordination architecture for Internet applications based on mobile agents. In XMARS, agents coordinate – both with each other and with...
Giacomo Cabri, Letizia Leonardi, Franco Zambonelli