740 search results - page 72 / 148 » Optimal heuristic algorithms for the image of an injective f... |
CGF
2006
13 years 8 months ago
2006
We present the Optimizing Control Variate (OCV) estimator, a new estimator for Monte Carlo rendering. Based upon a deterministic sampling framework, OCV allows multiple importance...
CVPR
2011
IEEE
13 years 6 months ago
2011
IEEE
Where does the sparsity in image signals come from? Local and nonlocal image models have supplied complementary views toward the regularity in natural images the former attempts t...
TIP
2008
13 years 8 months ago
2008
Abstract--We propose a vector/matrix extension of our denoising algorithm initially developed for grayscale images, in order to efficiently process multichannel (e.g., color) image...
IPMI
2003
Springer
14 years 9 months ago
2003
Springer
Abstract. We propose a novel bias correction method for magnetic resonance (MR) imaging that uses complementary body coil and surface coil images. The former are spatially homogene...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...