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GIS
2010
ACM
13 years 7 months ago
Bridge detection in grid terrains and improved drainage enforcement
Bare Earth gridded digital elevation models (DEMs) are often used to extract hydrologic features such as rivers and watersheds. DEMs must be conditioned by removing spurious sinks...
Ryan Carlson, Andrew Danner
SMA
2003
ACM
163views Solid Modeling» more  SMA 2003»
14 years 1 months ago
Fast swept volume approximation of complex polyhedral models
We present an efficient algorithm to approximate the swept volume (SV) of a complex polyhedron along a given trajectory. Given the boundary description of the polyhedron and a pat...
Young J. Kim, Gokul Varadhan, Ming C. Lin, Dinesh ...
CVPR
2009
IEEE
1133views Computer Vision» more  CVPR 2009»
15 years 3 months ago
Hierarchical Spatio-Temporal Context Modeling for Action Recognition
The problem of recognizing actions in realistic videos is challenging yet absorbing owing to its great potentials in many practical applications. Most previous research is limit...
Jintao Li, Ju Sun, Loong Fah Cheong, Shuicheng Yan...
IPPS
2005
IEEE
14 years 2 months ago
Security-Driven Heuristics and A Fast Genetic Algorithm for Trusted Grid Job Scheduling
In this paper, our contributions are two-fold: First, we enhance the Min-Min and Sufferage heuristics under three risk modes driven by security concerns. Second, we propose a new ...
Shanshan Song, Yu-Kwong Kwok, Kai Hwang
APGV
2009
ACM
14 years 3 months ago
On predicting visual popping in dynamic scenes
Popping is a major source of visual artifacts in dynamic scenes. To alleviate or avoid it, usually some temporal smoothing scheme is employed or levels of detail are chosen conser...
Michael Schwarz, Marc Stamminger