697 search results - page 118 / 140 » Convex Functions on Discrete Sets |
TIP
2008
13 years 7 months ago
2008
Abstract--In this paper, we derive bounds on the structural similarity (SSIM) index as a function of quantization rate for fixed-rate uniform quantization of image discrete cosine ...
SIAMMA
2010
13 years 2 months ago
2010
The nonlinear stability of travelling Lax shocks in semidiscrete conservation laws involving general spatial forward-backward discretization schemes is considered. It is shown tha...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper proposes a method to compute the likelihood function for the amplitudes and phase shifts of noisily observed phase-locked and amplitude-constrained sinusoids. The sinus...
COCOA
2011
Springer
12 years 7 months ago
2011
Springer
Biological networks are commonly used to model molecular activity within the cell. Recent experimental studies have shown that the detection of conserved subnetworks across several...
SODA
2010
ACM
14 years 4 months ago
2010
ACM
Many NP-hard problems can be solved efficiently when the input is restricted to graphs of bounded tree-width or clique-width. In particular, by the celebrated result of Courcelle,...