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» Dual Codes of Translation Planes
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ICIP
2003
IEEE
16 years 7 months ago
Redundant representation with complex wavelets: how to achieve sparsity
Overcomplete transforms, like the Dual-Tree Complex Wavelet Transform, offer more flexible signal representations than critically-sampled transforms, due to their properties of sh...
Nick G. Kingsbury, Tanya Reeves
SMA
2009
ACM
134views Solid Modeling» more  SMA 2009»
16 years 14 days ago
Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses
We examine the problem of computing exactly the Delaunay graph (and the dual Voronoi diagram) of a set of, possibly intersecting, smooth convex pseudo-circles in the Euclidean pla...
Ioannis Z. Emiris, Elias P. Tsigaridas, George M. ...
WWW
2004
ACM
16 years 6 months ago
Sic transit gloria telae: towards an understanding of the web's decay
The rapid growth of the web has been noted and tracked extensively. Recent studies have however documented the dual phenomenon: web pages have small half lives, and thus the web e...
Ziv Bar-Yossef, Andrei Z. Broder, Ravi Kumar, Andr...