146 search results - page 22 / 30 » Interpolation of Shifted-Lacunary Polynomials |
ADCM
2008
14 years 10 months ago
2008
In this paper we analyse a hybrid approximation of functions on the sphere S2 R3 by radial basis functions combined with polynomials, with the radial basis functions assumed to be...
110
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SIAMNUM
2010
14 years 4 months ago
2010
A straightforward discretisation of problems in d spatial dimensions often leads to an exponential growth in the number of degrees of freedom. Thus, even efficient algorithms like ...
SIAMSC
2008
14 years 10 months ago
2008
Abstract. We present a new derivative-free algorithm, ORBIT, for unconstrained local optimization of computationally expensive functions. A trust-region framework using interpolati...
117
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ECCV
2002
Springer
15 years 12 months ago
2002
Springer
Abstract. Multi-sampled imaging is a general framework for using pixels on an image detector to simultaneously sample multiple dimensions of imaging (space, time, spectrum, brightn...
IPAS
2007
15 years 15 days ago
2007
Conventional approach in single-chip digital cameras is a use of color lter arrays (CFA) in order to sample di erent spectral components. Demosaicing algorithms interpolate these ...