Title
Active Contours With Optical Flow And Primitive Shape Priors For Echocardiographic Imagery
Abstract
Accurate delineation of object borders is highly desirable in echocardiography. Among other model-based techniques, active contours (or snakes) provide a unique and powerful approach to image analysis. In this work, we propose the use of a new external energy for a GVF snake, consisting of the optical flow data of moving heart structures (i.e. the perceived movement). This new external energy provides more information to the active contour model to combat noise in moving sequences. An automated primitive shape prior mechanism is also introduced, which further improves the results when dealing with especially noisy echocardiographic image cines. Results were compared with that of expert manual segmentations yielding promising sensitivities and system accuracies.
Year
Venue
Keywords
2009
IMAGAPP 2009: PROCEEDINGS OF THE FIRST INTERNATIONAL CONFERENCE ON COMPUTER IMAGING THEORY AND APPLICATIONS
Active contours, Deformable models, Snakes, Gradient vector flow, Shape priors, Optical flow, Echocardiography
Field
DocType
Citations 
Computer vision,Computer science,Artificial intelligence,Prior probability,Optical flow
Conference
1
PageRank 
References 
Authors
0.35
0
2
Name
Order
Citations
PageRank
Ali K. Hamou1222.81
Mahmoud R. El-Sakka28114.17