Results 41 to 50 of about 264,907 (315)
Superpixels Optimized by Color and Shape [PDF]
, 2018 Image over-segmentation is formalized as the approximation problem when a large image is segmented into a small number of connected superpixels with best fitting colors. The approximation quality is measured by the energy whose main term is the sum of squared color deviations over all pixels and a regularizer encourages round shapes.
Vitaliy Kurlin, Donald Harvey
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Nihon Kikai Gakkai ronbunshu, 2017 This paper focuses on the design optimization of clad structures composed of different materials, which are expected to earn better characteristic physical and mechanical properties than structures with single materials.
Kana YOSHIZUMI +2 more
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A novel shape optimization method using knot insertion algorithm in B-spline and its application to transonic airfoil design [PDF]
, 2011 A new method using the cubic B-spline curves with nominal uniform knot set to parameterize the geometry is proposed to deal with shape optimization problems.
Xu, B. +3 more
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Nihon Kikai Gakkai ronbunshu, 2018 In this paper, we present a simultaneous optimization method of shape and topology for designing a light-weight plate and shell structure. The free-form optimization method for shells and SIMP method are respectively employed for shape and topology ...
Hirotaka NAKAYAMA, Masatoshi SHIMODA
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Energies, 2022 Spacers for the HVDC GIS/GIL play an important role in mechanically supporting conductors and separating compartments. At the same time, their insulation performance affects the stability and safety of system operation.
Haoluan Li +4 more
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Three-dimensional large-scale aerodynamic shape optimization based on shape calculus
, 2013 Large-scale three-dimensional aerodynamic shape optimization based on the compressible Euler equations is considered. Shape calculus is used to derive an exact surface formulation of the gradients, enabling the computation of shape gradient information ...
Schmidt, Stephan +4 more
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Algorithms, 2022 Nowadays, product development times are constantly decreasing, while the requirements for the products themselves increased significantly in the last decade.
Yannis Werner +3 more
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MelinaMerkel/shape-optimization-rotor: Figures and geometries
, 2020 This repository contains data and Matlab/Octave code to generate the images from the paper "Shape Optimization of Rotating Electric Machines using Isogeometric Analysis and Harmonic Stator-Rotor Coupling" and the original and optimized rotor ...
Melina Merkel
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Stochastic approximation for optimization in shape spaces
, 2021 In this work, we present a novel approach for solving stochastic shape optimization problems. Our method is the extension of the classical stochastic gradient method to infinite-dimensional shape manifolds.
Geiersbach, Caroline +2 more
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A Riemannian View on Shape Optimization [PDF]
Foundations of Computational Mathematics, 2014 Shape optimization based on the shape calculus is numerically mostly performed by means of steepest descent methods. This paper provides a novel framework to analyze shape-Newton optimization methods by exploiting a Riemannian perspective. A Riemannian shape Hessian is defined yielding often sought properties like symmetry and quadratic convergence for
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