139 search results - page 7 / 28 » A Fast Algorithm for Computing the Euler Number of an Image ... |
ISBI
2008
IEEE
14 years 8 months ago
2008
IEEE
We present an efficient algorithm for nonlocal image filtering with applications in electron cryomicroscopy. Our denoising algorithm is a rewriting of the recently proposed nonloc...
ISBI
2004
IEEE
14 years 8 months ago
2004
IEEE
The techniques described in this paper allow multiscale photon-limited image reconstruction methods to be implemented with significantly less computational complexity than previou...
TMI
2011
13 years 2 months ago
2011
Abstract—Many practical applications require the reconstruction of images from irregularly sampled data. The spline formalism offers an attractive framework for solving this prob...
JGTOOLS
2006
13 years 7 months ago
2006
We present a graphics hardware implementation of the tangent-plane algorithm for computing the kth-order Voronoi diagram of a set of point sites in image space. Correct and effici...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
Direct implementations of bilateral filtering show O(r2 ) computational complexity per pixel, where r is the filter window radius. Several lower complexity methods have been devel...