297 search results - page 44 / 60 » An Algebra for Directed Bigraphs |
ICCV
1999
IEEE
14 years 9 months ago
1999
IEEE
?We have recently proposed an approach to recognition that uses regions to determine the pose of objects while allowing for partial occlusion of the regions. Regions introduce an a...
ECCV
2002
Springer
14 years 9 months ago
2002
Springer
Abstract. The plane-based calibration consists in recovering the internal parameters of the camera from the views of a planar pattern with a known geometric structure. The existing...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
The autofocus problem in synthetic aperture radar (SAR) is considered, where phase errors in the acquired signal data result in imagery that is improperly focused. We present a ne...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most s...
STOC
2002
ACM
14 years 8 months ago
2002
ACM
We give polynomial-time quantum algorithms for three problems from computational algebraic number theory. The first is Pell's equation. Given a positive nonsquare integer d, ...