357 search results - page 66 / 72 » Unsupervised Multiscale Image Segmentation |
ICTAI
2008
IEEE
15 years 4 months ago
2008
IEEE
We consider a variation of the problem of combining expert opinions for the situation in which there is no ground truth to use for training. Even though we don’t have labeled da...
ISBI
2006
IEEE
15 years 10 months ago
2006
IEEE
In this paper, we use marked point processes to perform an unsupervised extraction of the coronary tree from 2D X-ray angiography. These processes provide a rigorous framework bas...
CAIP
2003
Springer
15 years 3 months ago
2003
Springer
Active contours, very popular in image segmentation, suffer from delicate adjustments of many parameters. We propose to carry out these adjustments using genetic algorithm. Here an...
ICCV
2009
IEEE
14 years 7 months ago
2009
IEEE
We present a novel representation for modeling textured regions subject to smooth variations in orientation and scale. Utilizing the steerable pyramid of Simoncelli and Freeman as...
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SCALESPACE
2007
Springer
15 years 3 months ago
2007
Springer
This paper presents a statistical model for textures that uses a non-negative decomposition on a set of local atoms learned from an exemplar. This model is described by the varianc...