148 search results - page 7 / 30 » Multiple active contour models based on the EM algorithm |
JMM2
2007
13 years 7 months ago
2007
— This paper makes new contributions in motion detection, object segmentation and trajectory estimation to create a successful object tracking system. A new efficient motion det...
Publication
We present a region-based active contour approach to segmenting masses in digital mammograms. The algorithm developed in a Maximum Likelihood approach is based on the calculation o...
CVBIA
2005
Springer
14 years 1 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...
IVC
2007
13 years 7 months ago
2007
In this paper, we propose a new technique to perform figure-ground segmentation in image sequences of moving objects under varying illumination conditions. Unlike most of the alg...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, we present a modified snake model for the problem of general video object tracking. We introduce a new external force into the snake equation based on the predictiv...