نتایج جستجو برای: boundary fitting method

تعداد نتایج: 1782772  

Journal: :CoRR 2002
W. Chen

This paper is concerned with the two new boundary-type radial basis function collocation schemes, boundary knot method (BKM) and boundary particle method (BPM). The BKM is developed based on the dual reciprocity theorem, while the BKM employs the multiple reciprocity technique. Unlike the method of fundamental solution, the two methods use the non-singular general solution instead of singular f...

2014
Uwe D. Reichel Katalin Mády

We examined how well prosodic boundary strength can be captured by two declination stylization methods as well as by four different representations of pitch register. In the stylization proposed by Liebermann et al. (1985) baseand topline are fitted to peaks and valleys of the pitch contour, whereas in Reichel&Mády (2013) these lines are fitted to medians below and above certain pitch percentil...

Journal: :The Journal of the Acoustical Society of America 1994

Journal: :Seibutsu Butsuri 2003

Journal: :Radiological physics and technology 2015
Ryo Higashide Katsuhiro Ichikawa Hiroshi Kunitomo Kazuya Ohashi

We devised a new noise filtering method to reduce the noise in the line spread function (LSF) for presampled modulation transfer function (MTF) analysis with the edge method. A filter was designed to reduce noise effectively using a position-dependent filter controlled by the boundary frequency b for low-pass filtering, which is calculated by 1/2d (d: distance from the LSF center). In this filt...

2004

If a probability density function has bounded support, kernel density estimates often overspill the boundaries and are consequently especially biased at and near these edges. In this paper, we consider the alleviation of this boundary problem. A simple unified framework is provided which covers a number of straightforward methods and allows for their comparison: 'generalized jackknifing' genera...

2001
Jacob Barhak Anath Fischer

Reverse engineering is an important process in CAD systems today. Yet several open problems lead to a bottleneck in the reverse engineering process. First, because the topology of the object to be reconstructed is unknown, point connectivity relations are undefined. Second, the fitted surface must satisfy global and local shape preservation criteria that are undefined explicitly. In reverse eng...

Journal: :Pattern Recognition 2010
Kaihua Zhang Huihui Song Lei Zhang

A new region-based active contour model that embeds the image local information is proposed in this paper. By introducing the local image fitting (LIF) energy to extract the local image information, our model is able to segment images with intensity inhomogeneities. Moreover, a novel method based on Gaussian filtering for variational level set is proposed to regularize the level set function. I...

2007
Muhamed Bijedić Husejin Duraković

Dynamic model of continual process of contact and convective paper drying is recommended, as well as numerical procedure for its solution. Mathematical basis of the model suggested is partial differential equation of unsteady heat transfer by conduction, in direction perpendicular to paper surface. The equation has been solved with reference to two boundary conditions, one for each side of pape...

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