Results 11 to 20 of about 1,470,168 (332)

Discrete asymptotic nets and W-congruences in Plucker line geometry [PDF]

open access: green, 2000
The asymptotic lattices and their transformations are studied within the line geometry approach. It is shown that the discrete asymptotic nets are represented by isotropic congruences in the Plucker quadric.
Adam Doliwa   +25 more
core   +2 more sources

Aircraft Pose Estimation Based on Geometry Structure Features and Line Correspondences [PDF]

open access: goldSensors, 2019
A robust and accurate aircraft pose estimation method is proposed in this paper. The aircraft pose reflects the flight status of the aircraft and accurate pose measurement is of great importance in many aerospace applications. This work aims to establish
Xichao Teng   +4 more
doaj   +2 more sources

Absolute Embeddings of Point–Line Geometries

open access: bronzeJournal of Algebra, 2001
AbstractA method is given for showing that an embeddable point–line geometry possesses an absolutely universal projective embedding. This method is applied to show that virtually every embeddable Lie incidence geometry possesses an absolutely universal embedding.
Ernest E. Shult, A Kasikova
openaire   +3 more sources

A Set of Axioms for Line Geometry [PDF]

open access: bronzeTransactions of the American Mathematical Society, 1914
Louis Ingold, E. R. Hedrick
openaire   +2 more sources

Blake’s Newton, Line-Drawing, and Geometry

open access: greenStudies in Romanticism, 2021
“Young, blond, [and] curly-headed,” the nude of Newton “in some respects . . . resembles a Blakean hero” (fig. 1). His musculature tense, he stares intently at the diagram that is inscribed—in this second state of the scene, printed c. 1805—on the pale scroll still part-unfurled at his feet. As W. T. J.
Sarah Haggarty
openaire   +4 more sources

Angular Rolling of the Hollow Flanges of Pipe Joints

open access: yesMetals, 2021
The paper considers a three-stage technology for angular rolling of the pipe workpiece. This technology facilitates the expansion of the range of flange parts available by eliminating a number of drawbacks of the known methods of metal forming.
Pavel Kononov   +3 more
doaj   +1 more source

Surface Approximation by Means of Gaussian Process Latent Variable Models and Line Element Geometry

open access: yesMathematics, 2023
The close relation between spatial kinematics and line geometry has been proven to be fruitful in surface detection and reconstruction. However, methods based on this approach are limited to simple geometric shapes that can be formulated as a linear ...
Ivan De Boi, Carl Henrik Ek, Rudi Penne
doaj   +1 more source

On the Angular Control of Rotating Lasers by Means of Line Calculus on Hyperboloids

open access: yesSensors, 2023
We propose a new paradigm for modelling and calibrating laser scanners with rotation symmetry, as is the case for lidars or for galvanometric laser systems with one or two rotating mirrors.
Rudi Penne   +2 more
doaj   +1 more source

The Architectonics Features of Heterostructures for IR Range Detectors Based on Polycrystalline Layers of Lead Chalcogenides

open access: yesCrystals, 2021
A model is developed for the formation of porous intragranular architectonics of nanostructured polycrystalline layers of lead chalcogenides for photodetectors and IR emitters.
Yuliya Mikhailovna Spivak   +4 more
doaj   +1 more source

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