نتایج جستجو برای: parseval

تعداد نتایج: 294  

Journal: :Proceedings of the American Mathematical Society 2006

Journal: :International Journal For Multidisciplinary Research 2023

Integral transform is one of the techniques in function transformation methods. transforms have been interesting tools for solving different problems arising applied mathematics, mathematical physics and engineering science at least two centuries. We studied an extended fractional Mellin generalized sense. For this testing space E its dual E* are considered. investigated inversion formula by us...

2014
Louis H. Y. Chen Hsien-Kuei Hwang Vytas Zacharovas

Abstract: We review some probabilistic properties of the sum-of-digits function of random integers. New asymptotic approximations to the total variation distance and its refinements are also derived. Four different approaches are used: a classical probability approach, Stein’s method, an analytic approach and a new approach based on Krawtchouk polynomials and the Parseval identity. We also exte...

2011
Sandra Kübler Rachael Cantrell Matthias Scheutz

The standard ParsEval metrics alone are often not sufficient for evaluating parsers integrated in natural language understanding systems. We propose to augment intrinsic parser evaluations by extrinsic measures in the context of human-robot interaction using a corpus from a human cooperative search task. We compare a constituent with a dependency parser on both intrinsic and extrinsic measures ...

Journal: :J. Computational Applied Mathematics 2013
Philipp Grohs

The present paper for the first time constructs a frame/dual frame pair of shearlet type such that both frames possess the distinctive time-frequency localization properties needed in establishing their desirable approximation properties. Our construction is based on a careful pasting together of two bandlimited shearlet Parseval frames associated with two different frequency cones, inspired by...

2014
IVAN SELESNICK

This lecture note describes an iterative optimization algorithm, ‘SALSA’, for solving L1-norm penalized least squares problems. We describe the use of SALSA for sparse signal representation and approximation, especially with overcomplete Parseval transforms. We also illustrate the use of SALSA to perform basis pursuit (BP), basis pursuit denoising (BPD), and morphological component analysis (MC...

2001
Julia Hockenmaier

This paper presents a statistical parser for a wide-coverage Combinatory Categorial Grammar (CCG) derived from the Penn Treebank. The Treebank is translated to a corpus of canonical CCG derivations. We de ne a generative statistical model over CCG derivations and train it on the transformed Treebank. This model is evaluated using Parseval measures and the accuracy of recovery of word-word depen...

2013
PATRICIA MARIELA MORILLAS Roderick Gow

This paper considers group reconstruction systems (GRS’s), for finite dimensional real or complex Hilbert spaces H, that are associated with unitary representations of finite abelian groups. The relation between these GRS’s and the generalized Fourier matrix is established. A special type of Parseval GRS, called harmonic reconstruction system (HRS), is defined. It is shown that there exist HRS’...

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