نتایج جستجو برای: 1999 the radial trace transform
تعداد نتایج: 16092561 فیلتر نتایج به سال:
Gabor deconvolution has been updated and a new ProMAX module is released. The updates are: (1) a new method of spectral smoothing called hyperbolic smoothing; (2) a Gabor transform using compactly supported windows that improves run times by one to two orders of magnitude; and (3) a post-deconvolution time-variant bandpass filter whose maximum frequency tracks along a hyperbola in the time-freq...
We realise the Teichmüller space of the twice-punctured torus as a set of triples of matrices that are suitably normalised. As a consequence, we see the space as a simple open subset of R4 which is obtained directly from the matrix entries. We also discuss the connection between this representation and the one in terms of the traces of elements.
Starting with Perlmutter (1971) and the filter proposed in Chomsky and Lasnik (1977), that-trace effects have been mainly conceived as a ban on subject extraction out of an embedded clause introduced by a complementizer. In this paper, we propose an alternative perspective based on the observation that that-trace (like) effects arise not only in sentences involving subject extraction but also i...
In various cases we need to transform a process model into a matrix representation for further analysis. In this paper, we introduce the notion of Order Matrix, which enables unique representation of blockstructured process models. We present algorithms for transforming a block-structured process model into a corresponding order matrix and vice verse. We then prove that such order matrix consti...
Shape and texture features have been used for some time for pattern recognition in datasets such as remote sensed imagery, medical imagery, photographs, etc. In this paper, we investigate shape and texture features for pattern recognition in simulation data. In particular, we explore which features are suitable for characterizing regions of interest in images resulting from fluid mixing simulat...
Many works have focused, for over twenty five years, on the integration of the time dimension in databases (DB). However, the standard SQL3 does not yet allow easy definition, manipulation and querying of temporal DBs. In this paper, we study how we can simplify querying and manipulating temporal facts in SQL3, using a model that integrates time in a native manner. To do this, we propose new ke...
A network of peer database management systems differs from conventional multidatabase systems by assuming absence of any central control, no global schema, transient connection of participating peer DBMSs, and evolving coordination among databases. We describe distributed triggers to support data coordination in this setting. The execution of our triggers requires coordination among the involve...
This paper gives a new flavor of what Peter Jagers and his co-authors call ‘the path to extinction’. In a neutral population with constant size N , we assume that each individual at time 0 carries a distinct type, or allele. We consider the joint dynamics of these N alleles, for example the dynamics of their respective frequencies and more plainly the nonincreasing process counting the number o...
Accurate load forecasting is essential to the operation and planning of power systems electricity markets. In this paper, an ensemble radial basis function neural networks (RBFNNs) proposed which trained by minimizing localized generalization error for short-term mid-term forecasting. Exogenous features extracted from series (with long memory multi-resolution wavelet transform) in various times...
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