Results 1 to 10 of about 38,486 (137)
Point Orthogonal Projection onto a Spatial Algebraic Curve [PDF]
Mathematics, 2020 Point orthogonal projection onto a spatial algebraic curve plays an important role in computer graphics, computer-aided geometric design, etc. We propose an algorithm for point orthogonal projection onto a spatial algebraic curve based on Newton’s ...
Taixia Cheng +3 more
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A Geometric Orthogonal Projection Strategy for Computing the Minimum Distance Between a Point and a Spatial Parametric Curve [PDF]
Algorithms, 2016 A new orthogonal projection method for computing the minimum distance between a point and a spatial parametric curve is presented. It consists of a geometric iteration which converges faster than the existing Newton’s method, and it is insensitive to the
Xiaowu Li +5 more
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Application of Orthogonal Polynomial in Orthogonal Projection of Algebraic Surface
Axioms, 2022 Point orthogonal projection onto an algebraic surface is a very important topic in computer-aided geometric design and other fields. However, implementing this method is currently extremely challenging and difficult because it is difficult to achieve to ...
Xudong Wang, Xiaowu Li, Yuxia Lyu
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Orthogonal projection of points in CAD/CAM applications: an overview
Journal of Computational Design and Engineering, 2014 Abstract This paper aims to review methods for computing orthogonal projection of points onto curves and surfaces, which are given in implicit or parametric form or as point clouds. Special emphasis is place on orthogonal projection onto conics along with reviews on orthogonal projection of points onto curves and surfaces in implicit and
Takis Sakkalis, Ko Kwanghee
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COMPUTER GRAPHICAL REPRESENTATION, IN TREBLE ORTHOGONAL PROJECTION, OF A POINT
Journal of Industrial Design and Engineering Graphics, 2017 In the stages of understanding and study, by students, of descriptive geometry, the treble orthogonal projection of a point, creates problems in the situations in that one or more descriptive coordinates are zero.
Andrei Slonovschi, Liviu Pruna
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Norming points and unique minimality of orthogonal projections [PDF]
Abstract and Applied Analysis, 2006 We study the norming points and norming functionals of symmetric operators on Lp spaces for p = 2m or p = 2m/(2m − 1). We prove some general result relating uniqueness of minimal projection to the set of norming functionals. As a main application, we obtain that the Fourier projection onto span [1, sinx, cosx] is a unique minimal projection in Lp.
Shekhtman, Boris, Skrzypek, Lesław
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Development of a Software for Path Planning in Wire Arc Additive Manufacturing [PDF]
한국정밀공학회지, 2020 Along with the recent spread of 3D printing technology, researchers have developed various materials and equipment, now widely disseminated among individuals and industries.
Chi Woo Ahn +3 more
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Real Projective Plane Mapping for Detection of Orthogonal Vanishing Points [PDF]
Procedings of the British Machine Vision Conference 2013, 2013 This paper deals with the detection of orthogonal vanishing points. The aim is to efficiently cope with the clutter edges in real-life images and to determine the camera orientation in the Manhattan world reliably. We are using a modified scheme of the Cascaded Hough Transform where only one Hough space is accumulated – the space of the vanishing ...
Markéta Dubská, Adam Herout
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Optimization reconstruction of projective point of laser line coordinated by orthogonal reference [PDF]
Scientific Reports, 2017 AbstractA 3D reconstruction method is presented for the laser projective point of a laser line, which is located by an orthogonal reference. The laser line is initially expressed by the Plücker matrix generated from two random points on the line and then transformed to the dual Plücker matrix representation.
Xu, Guan +3 more
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A Post-Scan Point Cloud Colorization Method for Cultural Heritage Documentation
ISPRS International Journal of Geo-Information, 2021 The 3D laser scanning technique is important for cultural heritage documentation. The laser itself normally does not carry any color information, so it usually requires an embedded camera system to colorize the point cloud.
Ting On Chan +6 more
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