144 search results - page 21 / 29 » Converting Level Set Gradients to Shape Gradients |
NAACL
2010
13 years 5 months ago
2010
The goal of this work is to integrate query similarity metrics as features into a dense model that can be trained on large amounts of query log data, in order to rank query rewrit...
IWCM
2004
Springer
14 years 27 days ago
2004
Springer
We present a variational approach for segmenting the image plane into regions of piecewise parametric motion given two or more frames from an image sequence. Our model is based on ...
MICCAI
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. This paper proposes a novel technique for constructing a neuroanatomical shape complex atlas using an information geometry framework. A shape complex is a collection of s...
TMI
1998
13 years 7 months ago
1998
Abstract—Segmenting lesions is a vital step in many computerized mass-detection schemes for digital (or digitized) mammograms. We have developed two novel lesion segmentation tec...
PRL
2006
13 years 7 months ago
2006
Corners and junctions are landmarks characterized by the lack of differentiability in the unit tangent to the image level curve. Detectors based on differential operators are not,...