In this paper; we propose a geometric fitt& algorithm for the deformable supaquadric model. which is the computation of a measure of vector from each given point to orthogonal contacting point on the superquadric model; and esltimates the optimum parameters of the model to minimize the squares...
Robust and Accurate Superquadric Recovery: a Probabilistic Approachreadpaper.com/paper/3216030978 Q1 论文试图解决什么问题? 本文试图解决用一种几何体-superquadric去抽象表达点云几何形态的方法。Superquadric是一类超二次曲面,拥有极其丰富的形态表达能力,不同的参数下可以具备正方体,八面体,(椭)圆柱,(椭)球...
半生**td 上传3.74 MB 文件格式 zip cvpr2022 perception pointcloud primitive segmentation shape superellipsoid superquadric superquadrics "EMS-superquadric_fitting"是一种基于概率的方法,旨在从点云数据中恢复出高精度的超球面形状。这种方法利用了超球形状的几何特性,并且采用了一种有效的最小二乘估计方法,以...
采用了基于径向欧式距离的函数来拟合Superquadric的shape。该函数定义为任一点到superquadric\Lambda 表面的距离: 直接最小化所有点的径向欧式距离并不合适。一方面,有些对象非凸(如沙发、椅子),它们稀疏的点云不适合直接拟合superquadric;另一方面,由于观测噪声和位姿估计误差的影响,很多点不在表面附近,而是分散在物体...
EMS-superquadric_fitting 是一种高级的数学建模方法,用于拟合超椭球曲面到给定的数据点集。这种方法结合了数学建模和优化技术,旨在找到最佳的超椭球曲面参数,使其能够最好地描述数据点的形状特征。通过 EMS-superquadric_fitting,我们可以实现对复杂形状的准确建模,例如异形物体或有机体表面。这种技术在计算机视觉、医学...
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superquadric Follow 0 Followers0 FollowingSummary 0 Models Collections 0 Likes "Collections" help you sort your models To create a collection, select a model and add it to a new collection. enterprise Enterprise Solutions 3D Configurators 3D eCommerce 3D Viewer 3D Advertising Sketchfab for Teams...
Superquadric based (SQ-based) model is used as the universal object description in AVR (from actual reality to virtual reality). However, due to the intrinsic property of superquadrics, its models are not flexible enough to characterize precisely the objects with asymmetry and free form surface...
The super-quadric model is used to describe the non-spherical particle shape. The model details are given below. 2.1. Governing equations for the fluid phase The fluid motion is governed by the incompressible volume-averaged Navier-Stokes equations in the Euler framework, involving continuity and ...
vtkSuperquadricSource 创建以原点为中心的多边形超二次曲面,可以设置尺寸。 设置两个(φ)的纬度和经度(θ)方向的分辨率(多边形离散化)。浑圆度参数(纬度浑圆度和经度浑圆度)控制超二次曲面的形状。环形布尔值控制是否产生环形的超二次曲面。如果是的话,厚度参数控制的厚度的环形:0是最薄的环形,和1具有最...