2816 search results - page 329 / 564 » Submodular function minimization |
122
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TSP
2011
14 years 9 months ago
2011
A wavelet is a localized function having a prescribed number of vanishing moments. In this correspondence, we provide precise arguments as to why the Hilbert transform of a wavele...
126
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JSCIC
2010
14 years 9 months ago
2010
Variational models for image segmentation have many applications, but can be slow to compute. Recently, globally convex segmentation models have been introduced which are very rel...
117
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MP
2010
14 years 9 months ago
2010
Given a generic semidefinite program, specified by matrices with rational entries, each coordinate of its optimal solution is an algebraic number. We study the degree of the minima...
128
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TIFS
2010
14 years 9 months ago
2010
Quantitative steganalysis strives to estimate the change rate defined as the relative number of embedding changes introduced by steganography. In this paper, we propose two new cla...
105
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TSP
2010
14 years 9 months ago
2010
In this correspondence, a two-channel linear phase finite impulse response (FIR) quadrature mirror filter (QMF) bank minimax design problem is formulated as a nonconvex optimizati...