Trajectory optimization with particle swarm optimization for manipulator motion planning

JJ Kim, JJ Lee - IEEE transactions on industrial informatics, 2015 - ieeexplore.ieee.org
Optimization-based methods have been recently proposed to solve motion planning
problems with complex constraints. Previous methods have used optimization methods that …

Coverage axis: Inner point selection for 3d shape skeletonization

Z Dou, C Lin, R Xu, L Yang, S Xin… - Computer Graphics …, 2022 - Wiley Online Library
In this paper, we present a simple yet effective formulation called Coverage Axis for 3D
shape skeletonization. Inspired by the set cover problem, our key idea is to cover all the …

Sphere-meshes: Shape approximation using spherical quadric error metrics

JM Thiery, É Guy, T Boubekeur - ACM Transactions on Graphics (TOG), 2013 - dl.acm.org
Shape approximation algorithms aim at computing simple geometric descriptions of dense
surface meshes. Many such algorithms are based on mesh decimation techniques …

Medial elastics: Efficient and collision-ready deformation via medial axis transform

L Lan, R Luo, M Fratarcangeli, W Xu, H Wang… - ACM Transactions on …, 2020 - dl.acm.org
We propose a framework for the interactive simulation of nonlinear deformable objects. The
primary feature of our system is the seamless integration of deformable simulation and …

Amat: Medial axis transform for natural images

S Tsogkas, S Dickinson - Proceedings of the IEEE …, 2017 - openaccess.thecvf.com
Abstract We introduce Appearance-MAT (AMAT), a generalization of the medial axis
transform for natural images, that is framed as a weighted geometric set cover problem. We …

Medial meshes–a compact and accurate representation of medial axis transform

F Sun, YK Choi, Y Yu, W Wang - IEEE transactions on …, 2015 - ieeexplore.ieee.org
The medial axis transform has long been known as an intrinsic shape representation
supporting a variety of shape analysis and synthesis tasks. However, for a given shape, it is …

Animated mesh approximation with sphere-meshes

JM Thiery, É Guy, T Boubekeur… - ACM Transactions on …, 2016 - dl.acm.org
Performance capture systems are used to acquire high-quality animated 3D surfaces,
usually in form of a dense 3D triangle mesh. Extracting a more compact yet faithful …

A medial axis based method for irregular grain shape representation in DEM simulations

T Mede, G Chambon, P Hagenmuller, F Nicot - Granular Matter, 2018 - Springer
This paper describes a novel method for representing arbitrary grain shapes in discrete
element method (DEM) simulations. The method takes advantage of the efficient sphere …

Computing a compact spline representation of the medial axis transform of a 2D shape

Y Zhu, F Sun, YK Choi, B Jüttler, W Wang - Graphical Models, 2014 - Elsevier
We present a full pipeline for computing the medial axis transform of an arbitrary 2D shape.
The instability of the medial axis transform is overcome by a pruning algorithm guided by a …

Adaptive merging for rigid body simulation

E Coevoet, O Benchekroun, PG Kry - ACM Transactions on Graphics …, 2020 - dl.acm.org
We reduce computation time in rigid body simulations by merging collections of bodies
when they share a common spatial velocity. Merging relies on monitoring the state of …