510 search results - page 61 / 102 » Gradient Estimation Revitalized |
ECCV
2004
Springer
14 years 12 months ago
2004
Springer
Abstract We propose an approach to texture boundary detection that only requires a line-search in the direction normal to the edge. It is therefore very fast and can be incorporate...
ICPR
2004
IEEE
14 years 11 months ago
2004
IEEE
In this paper, we study the use of optical flow as a characteristic for tracking. We analyze the behavior of three flowbased observation models for particle filter algorithms, and...
ICPR
2000
IEEE
14 years 11 months ago
2000
IEEE
This paper explores an approach for extracting scene text from a sequence of images with relative motion between the camera and the scene. It is assumed that the scene text lies o...
MICCAI
2007
Springer
14 years 11 months ago
2007
Springer
The presence of Rician noise in magnetic resonance imaging (MRI) introduces systematic errors in diffusion tensor imaging (DTI) measurements. This paper evaluates gradient directio...
IPMI
2007
Springer
14 years 10 months ago
2007
Springer
Abstract. We describe a new approach for estimating the posterior probability of tissue labels. Conventional likelihood models are combined with a curve length prior on boundaries,...