نتایج جستجو برای: signed distance defuzzification method
تعداد نتایج: 1833635 فیلتر نتایج به سال:
We propose a technique that could significantly improve the accuracy of the levelset method and has the potential for fully conservative treatment. Level set method uses the levelset function, usually an approximate signed distance function Φ to indirectly represent the interface by the zero set of Φ. When Φ is advanced to the next time level by an advection equation, it is no longer a signed d...
This paper deals with fuzzy logic controllers. Our interest is in studying different techniques of defuzzification methods. In particular, we propose a generalization the WABL method to multiple output system controller. We give numerical realization, and show advantages this compared other methods (MOM, COG, WAF,\ldots) through an application for intelligent control air conditioners.
We study the String Reversal Distance problem, an extension of the well-known Sorting by Reversals problem. String Reversal Distance takes two strings S and T as input, and asks for a minimum number of reversals to obtain T from S. We consider four variants: String Reversal Distance, String Prefix Reversal Distance (in which any reversal must include the first letter of the string), and the sig...
Decision-Making Trial and Evaluation Laboratory (DEMATEL) method is widely used in many real applications. With the desirable property of efficient handling with the uncertain information in decision making, the fuzzy DEMATEL is heavily studied. Recently, Dytczak and Ginda suggested to defuzzify the fuzzy numbers firstly and then use the classical DEMATEL to obtain the final result. In this sho...
We propose a new parameterized method for the defuzzification process based on the simple M-SLIDE transformation. We develop a computationally efficient algorithm for learning the relevant parameter as well as providing a computationally simple scheme for doing the defuzzification step in the fuzzy logic controllers. The M-SLJDE method results in a particularly simple linear form of the algorit...
Robust generation method of a signed distance function for preprocessing of cartesian-grid-based CFD
1. Baerentzen J.A., Aanaes H., 2005, Signed distance computation using the angle weighted pseudonormal, IEEE Transactions on Visualization and Computer Graphics, 11, 3, 243-253. CrossRef Google Scholar
Traffic congestion is a major concern for many cities throughout the world. In a general traffic light controller, the traffic lights change at a constant cycle time. Hence it does not provide an optimal solution.Many traffic light controllers in current use are based on the “time-of-the-day” scheme, which use a limited number of predetermined traffic light patterns and implement these patterns...
Signed distance functions computed in discrete form from given RGB-D data as regular voxel grids can represent manifold shapes the zero crossing of a trivariate function; corresponding meshes be derived by Marching Cubes algorithm. However, 3D models automatically reconstructed this way often contain irrelevant objects or artifacts, such holes noise, due to erroneous scan and error-prone recons...
Including derivative information in the modelling of moving interfaces has been proposed as one method to increase the accuracy of numerical schemes with minimal additional cost. Here a new level set reinitialization technique using the fast marching method is presented. This augmented fast marching method will calculate the signed distance function and up to the secondorder derivatives of the ...
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