Title
Exploiting Overlay Path-Diversity for Scalable Reliable Multicast
Abstract
Real-time three-dimensional (RT3D) echocardiography is a new imaging modality that presents the unique opportunity to visualize the complex three-dimensional (3-D) shape and the motion of left ventricle (LV) in vivo. To take advantage of this opportunity, automatic segmentation of LV myocardium is essential. While there are a variety of efforts on the segmentation of LV endocardial (ENDO) boundaries, the segmentation of epicardial (EPI) boundaries is still problematic. In this paper, we present a new approach of coupled-surfaces propagation to address this problem. Our method is motivated by the idea that the volume of the myocardium is close to being constant during a cardiac cycle and takes this tight coupling as an important constraint. We employ two surfaces, each driven by the image-derived information that takes into account the ultrasound physics by modeling speckle using shifted Rayleigh distribution while maintaining the coupling. By evolving two surfaces simultaneously, the final representation of myocardium is thus achieved. Results from 328 sets of RT3D echocardiographic data are evaluated against the outlines of three observers. We show that the results from automatic segmentation are comparable to those from manual segmentation.
Year
DOI
Venue
2007
10.1109/ICME.2007.4284582
Lecture Notes in Computer Science
Keywords
Field
DocType
ip multicast,scalability,bandwidth,computer science,forward error correction,computer architecture,hybrid system,unicast
Scalable Reliable Multicast,Computer science,Retransmission,Network packet,Computer network,Multicast,Unicast,Hybrid system,Scalability,IP multicast,Distributed computing
Conference
Volume
ISSN
Citations 
4791
0302-9743
2
PageRank 
References 
Authors
0.43
3
3
Name
Order
Citations
PageRank
Yingnan Zhu1444.64
wenjun zeng22029220.14
Haibin Lu317011.90