Results 151 to 160 of about 9,476 (202)

A PCA-Based Framework for Determining Remotely Sensed Geological Surface Orientations and Their Statistical Quality. [PDF]

Earth Space Sci, 2019
Quinn DP, Ehlmann BL.
europepmc   +1 more source

Constructing Separating Halfspaces for Plane/Quadric and Quadric/Quadric Intersection

, 2014
Hoffmann, Christoph M., Jasuja, Neelam
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The geometry of discrete asymptotic-geodesic 4-webs in isotropic 3-space. [PDF]

Mon Hefte Math
Müller C, Pottmann H.
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QISO-SLAM: Object-Oriented SLAM Using Dual Quadrics as Landmarks Based on Instance Segmentation

IEEE Robotics and Automation Letters, 2023
Dual quadrics as landmarks in object-oriented SLAM have recently attracted much attention due to the advantages in the mathematical completeness of projective geometry. Current researches suffer from a lack of either robustness or practicability.
Yutong Wang, Bin Xu, Wei Fan, C. Xiang
semanticscholar   +1 more source

Algorithmic Complex for Solving of Problems with Quadrics Using Imaginary Geometric Images

, 2020
The paper is devoted to the consideration of a number of issues related to the creation of an algorithmic complex designed to solve positional and metric problems with quadrics on a projection model .
D. Voloshinov
semanticscholar   +1 more source

On Exceptional Quadrics

Russian Journal of Mathematical Physics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Rationality of complete intersections of two quadrics over nonclosed fields

L'Enseignement mathématique, 2019
We study rationality problems for smooth complete intersections of two quadrics. We focus on the three-dimensional case, with a view toward understanding the invariants governing the rationality of a geometrically rational threefold over a non-closed ...
B. Hassett, Y. Tschinkel
semanticscholar   +1 more source

Structure Aware SLAM Using Quadrics and Planes

Asian Conference on Computer Vision, 2018
Simultaneous Localization And Mapping (SLAM) is a fundamental problem in mobile robotics. While point-based SLAM methods provide accurate camera localization, the generated maps lack semantic information.
M. Hosseinzadeh, Y. Latif, Trung T. Pham, Niko Sünderhauf, I. Reid   +4 more
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Lifting of Coefficients for Chow Motives of Quadrics

We prove that the natural functor from the category of Chow motives of smooth projective quadrics with integral coefficients to the category with coefficients modulo 2 induces a bijection on the isomorphism classes of objects.
Oliver Haution
semanticscholar   +1 more source

Implicitizing rational surfaces without base points by moving planes and moving quadrics

Computer Aided Geometric Design, 2019
It was proven by Cox, Goldman and Zhang that a tensor product rational surface without base points can be implicitized by moving quadrics whenever the rational surface doesn't contain low degree moving planes following it.
Yisheng Lai, Falai Chen, Xiaoran Shi
semanticscholar   +1 more source