144 search results - page 7 / 29 » Converting Level Set Gradients to Shape Gradients |
TSMC
2010
13 years 2 months ago
2010
Abstract--This paper presents a new region-based unified tensor level set model for image segmentation. This model introduces a three-order tensor to comprehensively depict feature...
BMVC
2010
13 years 5 months ago
2010
Variational level set methods are formulated as energy minimisation problems, which are often solved by gradient-based optimisation methods, such as gradient descent. Unfortunatel...
ICRA
2007
IEEE
14 years 1 months ago
2007
IEEE
— We introduce an algorithm which detects and traces a specified level set of a scalar field (a contour) on a plane. A network of static sensor nodes with limited communication...
CVPR
1996
IEEE
14 years 9 months ago
1996
IEEE
When computing descriptors of image data, the type of information that can be extracted may be strongly dependent on the scales at which the image operators are applied. This arti...
KDD
2010
ACM
13 years 9 months ago
2010
ACM
We consider the problem of learning incoherent sparse and lowrank patterns from multiple tasks. Our approach is based on a linear multi-task learning formulation, in which the spa...