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GIS
2010
ACM
15 years 4 months ago
Tolerance geometry: Euclid's first postulate for points and lines with extension
Object representation and reasoning in vector based geographic information systems (GIS) is based on Euclidean geometry. Euclidean geometry is built upon Euclid's first postu...
Gwen Wilke, Andrew U. Frank
SENSYS
2010
ACM
15 years 4 months ago
AutoWitness: locating and tracking stolen property while tolerating GPS and radio outages
We present AutoWitness, a system to deter, detect, and track personal property theft, improve historically dismal stolen property recovery rates, and disrupt stolen property distr...
Santanu Guha, Kurt Plarre, Daniel Lissner, Somnath...
SP
2010
IEEE
156views Security Privacy» more  SP 2010»
15 years 4 months ago
Round-Efficient Broadcast Authentication Protocols for Fixed Topology Classes
Abstract--We consider resource-constrained broadcast authentication for n receivers in a static, known network topology. There are only two known broadcast authentication protocols...
Haowen Chan, Adrian Perrig
CVPR
2011
IEEE
15 years 3 months ago
Natural Image Denoising: Optimality and Inherent Bounds
The goal of natural image denoising is to estimate a clean version of a given noisy image, utilizing prior knowledge on the statistics of natural images. The problem has been stud...
Anat Levin, Boaz Nadler
CVPR
2011
IEEE
15 years 2 months ago
Face Image Retrieval by Shape Manipulation
Current face image retrieval methods achieve impressive results, but lack efficient ways to refine the search, particularly for geometric face attributes. Users cannot easily ...
Brandon Smith, Shengqi Zhu, Li Zhang
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