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SIAMMAX
2010
164views more  SIAMMAX 2010»
14 years 11 months ago
Uniqueness of Low-Rank Matrix Completion by Rigidity Theory
The problem of completing a low-rank matrix from a subset of its entries is often encountered in the analysis of incomplete data sets exhibiting an underlying factor model with app...
Amit Singer, Mihai Cucuringu
FOCM
2011
188views more  FOCM 2011»
14 years 8 months ago
Compressive Wave Computation
This paper considers large-scale simulations of wave propagation phenomena. We argue that it is possible to accurately compute a wavefield by decomposing it onto a largely incomp...
Laurent Demanet, Gabriel Peyré
IPMI
2011
Springer
14 years 7 months ago
Globally Optimal Tumor Segmentation in PET-CT Images: A Graph-Based Co-segmentation Method
Tumor segmentation in PET and CT images is notoriously challenging due to the low spatial resolution in PET and low contrast in CT images. In this paper, we proposed a general fram...
Dongfeng Han, John E. Bayouth, Qi Song, Aakant Tau...
TMC
2012
13 years 6 months ago
Mobile Data Offloading through Opportunistic Communications and Social Participation
—3G networks are currently overloaded, due to the increasing popularity of various applications for smartphones. Offloading mobile data traffic through opportunistic communicatio...
Bo Han, Pan Hui, V. S. Anil Kumar, Madhav V. Marat...
SIGGRAPH
1995
ACM
15 years 8 months ago
Intelligent scissors for image composition
We present a new, interactive tool called Intelligent Scissors which we use for image segmentation and composition. Fully automated segmentation is an unsolved problem, while manu...
Eric N. Mortensen, William A. Barrett