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ICPR
2010
IEEE
15 years 11 months ago
Detecting Altered Fingerprints
Abstract--The widespread deployment of Automated Fingerprint Identification Systems (AFIS) in law enforcement and border control applications has heightened the need for ensuring t...
Jianjiang Feng, Anil Jain, Arun Ross
SIGGRAPH
1999
ACM
15 years 11 months ago
Computing Exact Shadow Irradiance Using Splines
We present a solution to the general problem of characterizing shadows in scenes involving a uniform polygonal area emitter and a polygonal occluder in arbitrary position by manif...
Michael M. Stark, Elaine Cohen, Tom Lyche, Richard...
SIGGRAPH
1999
ACM
15 years 11 months ago
Shape Transformation Using Variational Implicit Functions
Traditionally, shape transformation using implicit functions is performed in two distinct steps: 1) creating two implicit functions, and 2) interpolating between these two functio...
Greg Turk, James F. O'Brien
NPIV
1998
ACM
108views Visualization» more  NPIV 1998»
15 years 11 months ago
Visualization for situation awareness
We explore techniques from visualization and computational geometry to make tactical information more intuitive to a military commander. To be successful, the commander must quick...
C. M. Hoffman, Y.-J. Kim, R. P. Winkler, J. D. Wal...
VISUALIZATION
1997
IEEE
15 years 11 months ago
ROAMing terrain: real-time optimally adapting meshes
Terrain visualization is a difficult problem for applications requiring accurate images of large datasets at high frame rates, such as flight simulation and ground-based aircraf...
Mark A. Duchaineau, Murray Wolinsky, David E. Sige...
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