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TMI
2010
134views more  TMI 2010»
12 years 11 months ago
Detection and Segmentation of Colonic Polyps on Implicit Isosurfaces by Second Principal Curvature Flow
Abstract--Today's computer aided detection systems for computed tomography colonography (CTC) enable automated detection and segmentation of colorectal polyps. We present a pa...
Cees van Wijk, Vincent Frans van Ravesteijn, Frans...
TMI
2010
206views more  TMI 2010»
12 years 11 months ago
Random Subspace Ensembles for fMRI Classification
Classification of brain images obtained through functional magnetic resonance imaging (fMRI) poses a serious challenge to pattern recognition and machine learning due to the extrem...
Ludmila I. Kuncheva, Juan José Rodrí...
TMI
2010
143views more  TMI 2010»
12 years 11 months ago
Data Specific Spatially Varying Regularization for Multimodal Fluorescence Molecular Tomography
Fluorescence molecular tomography (FMT) allows in vivo localization and quantification of fluorescence biodistributions in whole animals. The ill-posed nature of the tomographic re...
Damon Hyde, Eric L. Miller, Dana H. Brooks, Vasili...
TMI
2010
219views more  TMI 2010»
12 years 11 months ago
Registration of 4D Cardiac CT Sequences Under Trajectory Constraints With Multichannel Diffeomorphic Demons
Abstract--We propose a framework for the nonlinear spatiotemporal registration of 4D time-series of images based on the Diffeomorphic Demons (DD) algorithm. In this framework, the ...
Jean-Marc Peyrat, Herve Delingette, Maxime Sermesa...
TMC
2010
137views more  TMC 2010»
12 years 11 months ago
Unwanted Link Layer Traffic in Large IEEE 802.11 Wireless Networks
Wireless networks have evolved into an important technology for connecting users to the Internet. As the utility of wireless technology grows, wireless networks are being deployed ...
Ramya Raghavendra, Elizabeth M. Belding, Konstanti...
TMC
2010
103views more  TMC 2010»
12 years 11 months ago
Optimal Cooperative Relaying Schemes in IR-UWB Networks
Cooperation between wireless nodes to retransmit data for the other users introduces multiuser diversity to a wireless network and increases the system throughput. In this paper, t...
Ghasem Naddafzadeh Shirazi, Peng Yong Kong, Chen-K...
TMC
2010
86views more  TMC 2010»
12 years 11 months ago
Providing Service Guarantees in 802.11e EDCA WLANs with Legacy Stations
Although the EDCA access mechanism of the 802.11e standard supports legacy DCF stations, the presence of DCF stations in the WLAN jeopardizes the provisioning of the service guaran...
Albert Banchs, Pablo Serrano, Luca Vollero
TMC
2010
165views more  TMC 2010»
12 years 11 months ago
Energy-Efficient VoIP over Wireless LANs
Emerging dual-mode phones incorporate a Wireless LAN (WLAN) interface along with the traditional cellular interface. The additional benefits of the WLAN interface are, however, lik...
Vinod Namboodiri, Lixin Gao
TMC
2010
125views more  TMC 2010»
12 years 11 months ago
Threshold-Based Media Streaming Optimization for Heterogeneous Wireless Networks
The integration of different wireless access technologies combined with the huge characteristic diversity of supported services in next-generation wireless systems creates a real h...
Ahmed H. Zahran, Cormac J. Sreenan
TMC
2010
122views more  TMC 2010»
12 years 11 months ago
Efficient and Robust Local Mutual Exclusion in Mobile Ad Hoc Networks
Hagit Attiya, Alex Kogan, Jennifer L. Welch