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TWC
2010
15 years 1 months ago
Indoor localization with channel impulse response based fingerprint and nonparametric regression
Abstract--In this paper, we propose a fingerprint-based localization scheme that exploits the location dependency of the channel impulse response (CIR). We approximate the CIR by a...
Yunye Jin, Wee-Seng Soh, Wai-Choong Wong
BILDMED
2011
313views Algorithms» more  BILDMED 2011»
14 years 10 months ago
Automatic Multi-modal ToF/CT Organ Surface Registration
Abstract. In the field of image-guided liver surgery (IGLS), the initial registration of the intra-operative organ surface with preoperative tomographic image data is performed on...
Kerstin Müller, Sebastian Bauer, Jakob Wasza,...
172
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ESWS
2010
Springer
15 years 11 months ago
A Hybrid Model and Computing Platform for Spatio-semantic Trajectories
Abstract. Spatio-temporal data management has progressed significantly towards efficient storage and indexing of mobility data. Typically such mobility data analytics is assumed t...
Zhixian Yan, Christine Parent, Stefano Spaccapietr...
STOC
2009
ACM
144views Algorithms» more  STOC 2009»
16 years 7 months ago
Homology flows, cohomology cuts
We describe the first algorithm to compute maximum flows in surface-embedded graphs in near-linear time. Specifically, given a graph embedded on a surface of genus g, with two spe...
Erin W. Chambers, Jeff Erickson, Amir Nayyeri
PAM
2010
Springer
16 years 1 months ago
Toward Topology Dualism: Improving the Accuracy of AS Annotations for Routers
Abstract. To describe, analyze, and model the topological and structural characteristics of the Internet, researchers use Internet maps constructed at the router or autonomous syst...
Bradley Huffaker, Amogh Dhamdhere, Marina Fomenkov...