922 search results - page 15 / 185 » Unsupervised detection of contours using a statistical model |
192
click to vote
CRV
2011
IEEE
13 years 9 months ago
2011
IEEE
Abstract—Contour features play an important role in object recognition. Psychological experiments have shown that maximum-curvature points are most distinctive along a contour [6...
182
click to vote
CVPR
2009
IEEE
16 years 3 months ago
2009
IEEE
Cast shadows induced by moving objects often cause serious problems to many vision applications. We present in this paper an online statistical learning approach to model the backg...
138
click to vote
CVPR
2006
IEEE
15 years 1 months ago
2006
IEEE
Segmentation of ultrasound images is often a very challenging task due to speckle noise that contaminates the image. It is well known that speckle noise exhibits an asymmetric dis...
SCALESPACE
1999
Springer
15 years 2 months ago
1999
Springer
In this paper, we propose a new model for active contours to detect objects in a given image, based on techniques of curve evolution, Mumford-Shah functional for segmentation and l...
CVBIA
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Extraction of bone contours from x-ray images is an important first step in computer analysis of medical images. It is more complex than the segmentation of CT and MR im...