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101
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CISS
2010
IEEE
14 years 4 months ago
Frame permutation quantization
—Frame permutation quantization (FPQ) is a new vector quantization technique using finite frames. In FPQ, a vector is encoded using a permutation source code to quantize its fra...
Ha Quy Nguyen, Vivek K. Goyal, Lav R. Varshney
FOCM
2011
90views more  FOCM 2011»
14 years 4 months ago
Hamiltonian Interpolation of Splitting Approximations for Nonlinear PDEs
We consider a wide class of semi linear Hamiltonian partial differential equations and their approximation by time splitting methods. We assume that the nonlinearity is polynomia...
Erwan Faou, Benoît Grebert
ICALP
2011
Springer
14 years 4 months ago
Steiner Transitive-Closure Spanners of Low-Dimensional Posets
Given a directed graph G = (V, E) and an integer k ≥ 1, a Steiner k-transitive-closure-spanner (Steiner k-TC-spanner) of G is a directed graph H = (VH , EH ) such that (1) V ⊆ ...
Piotr Berman, Arnab Bhattacharyya, Elena Grigoresc...
152
Voted
SIAMREV
2011
131views more  SIAMREV 2011»
14 years 3 months ago
Magnetic Resonance Electrical Impedance Tomography (MREIT)
Magnetic Resonance Electrical Impedance Tomography (MREIT) is a new medical imaging modality providing high resolution static conductivity images based on the current injection MRI...
Jin Keun Seo, Eung Je Woo
ICC
2008
IEEE
175views Communications» more  ICC 2008»
15 years 7 months ago
Routing in Cooperative Wireless Networks with Mutual-Information Accumulation
Cooperation between the nodes of wireless multihop networks can increase communication reliability, reduce energy consumption, and decrease latency. The possible improvements are ...
Stark C. Draper, Lingjia Liu, Andreas F. Molisch, ...