نتایج جستجو برای: fuzzydecisive set method

تعداد نتایج: 2152600  

2000
D. J. Torres J. U. Brackbill

We describe a point-set method for extracting the normal, curvature, and surface area from unordered data points residing on a surface. This capability relaxes front-tracking’s reliance on connectivity between interfacial points and allows fronttracking to model topological changes at an interface naturally. We use this capability in 2D and 3D front-tracking calculations to model coalescence. W...

2006
Deng Wu

On the basis of analyzing characteristics of stamping die products and their designing process, a design method combining rough set theory and case-based reasoning is proposed. Firstly, the paper introduces the information system of case-based reasoning based on rough set. Then, the paper presents storage strategies of stamping die case library and implementing examples. In order to retrieve ca...

2006
Ruifeng Xu Sumanta N. Pattanaik

A level set based detail extraction method from images is presented in this paper. The method uses level set to encode the large-scale variation in the image and extracts detail from this variation. This method can compute the detail from images quite fast. The separated detail can be used for compensating the detail loss in High Dynamic Range (HDR) image compression using global tone mapping a...

2003
Yang Xiang Li-Tien Cheng David J. Srolovitz

We propose a three-dimensional level set method for dislocation dynamics in which the dislocation lines are represented in three dimensions by the intersection of the zero levels of two level set functions. Since the level set method does not discretize nor directly track individual dislocation line segments, it easily handles topological changes occurring in the microstructure. The dislocation...

2014
Yazhong Lin Qian Zheng Jiaqiang Chen Qian Cai Qianjin Feng

The adaptive distance preserving level set (ADPLS) method is fast and not dependent on the initial contour for the segmentation of images with intensity inhomogeneity, but it often leads to segmentation with compromised accuracy. And the local binary fitting model (LBF) method can achieve segmentation with higher accuracy but with low speed and sensitivity to initial contour placements. In this...

2002
Penelope J. Maddy

and impressive applicability of mathematics in the natural sciences. Quineans hold that mathematics is conIlrDled by these applications, that only that part of mathematics with application is justified. Defenders of pure mathematics naturally disagree, finding justification for unapplied mathematics in various places, perhaps in some largely unspecified aesthetic virtues or in some philosophy o...

2015

1. Generalities about domain, or surface evolution problems 2 2. The Level Set Method for describing domain or interface evolution 3 2.1. Level Set framework and geometry 3 2.2. Surface evolution in the level set framework 4 2.3. A glimpse at the mathematical framework 5 2.4. Domain evolution as a boundary value problem: Eikonal equations 8 3. A model application of the level set framework 10 4...

Journal: :European Journal of Computational Mechanics 2008

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