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» Oriented Projective Geometry
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STOC
2006
ACM
244views Algorithms» more  STOC 2006»
16 years 4 months ago
Approximate nearest neighbors and the fast Johnson-Lindenstrauss transform
We introduce a new low-distortion embedding of d 2 into O(log n) p (p = 1, 2), called the Fast-Johnson-LindenstraussTransform. The FJLT is faster than standard random projections ...
Nir Ailon, Bernard Chazelle
CVPR
2009
IEEE
15 years 10 months ago
Catadioptric Projectors
We present a catadioptric projector analogous to a catadioptric camera by combining a commodity digital projector with additional optical units. We show that, by using specially sh...
Yuanyuan Ding, Jing Xiao, Kar-Han Tan, Jingyi Yu
BIBE
2008
IEEE
121views Bioinformatics» more  BIBE 2008»
15 years 11 months ago
Joining retinal vessel segments
—A new method is introduced for joining vessel segments together to form a vessel graph. Using a reference image set from the Sunderland Eye Infirmary, we analysed the retinal b...
Bashir Al-Diri, Andrew Hunter, David Steel, Maged ...
ECCV
2010
Springer
15 years 9 months ago
Exploiting loops in the graph of trifocal tensors for calibrating a network of cameras
A technique for calibrating a network of perspective cameras based on their graph of trifocal tensors is presented. After estimating a set of reliable epipolar geometries, a parame...
COMPGEOM
2000
ACM
15 years 8 months ago
Computing approximate shortest paths on convex polytopes
The algorithms for computing a shortest path on a polyhedral surface are slow, complicated, and numerically unstable. We have developed and implemented a robust and efficient algo...
Pankaj K. Agarwal, Sariel Har-Peled, Meetesh Karia