Results 11 to 20 of about 6,844,739 (267)

Equiareal parameterizations of NURBS surfaces

open access: yesGraphical Models, 2014
The equiareality of NURBS surfaces greatly affects the results of visualization and tessellation applications, especially when dealing with extruding and intruding shapes. To improve the equiareality of given NURBS surfaces, an optimization algorithm using the Mobius transformations is presented in this paper.
Yi-Jun Yang, W. Zeng, Jian-Feng Chen
semanticscholar   +2 more sources

Conversion of trimmed NURBS surfaces to Catmull-Clark subdivision surfaces

open access: yesComputer Aided Geometric Design, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jingjing Shen   +3 more
semanticscholar   +4 more sources

Three-dimensional reconstruction of industrial parts from a single image [PDF]

open access: yesVisual Computing for Industry, Biomedicine, and Art
This study proposes an image-based three-dimensional (3D) vector reconstruction of industrial parts that can generate non-uniform rational B-splines (NURBS) surfaces with high fidelity and flexibility. The contributions of this study include three parts:
Zhenxing Xu   +3 more
doaj   +2 more sources

Procedural Reconstruction of NURBS Surfaces [PDF]

open access: bronzeCAADRIA proceedings, 2009
Tsung‐Hsien Wang
openalex   +2 more sources

Interactive Rendering of Deforming NURBS Surfaces

open access: goldComputer Graphics Forum, 1997
Non‐uniform rational B‐splines (NURBS) has been widely accepted as a standard tool for geometry representation and design. Its rich geometric properties allow it to represent both analytic shapes and free‐form curves and surfaces precisely. Moreover, a set of tools is available for shape modification or more implicitly, object deformation.
Frederick W. B. Li   +2 more
openalex   +3 more sources

NURBS-Based Parametric Design for Ship Hull Form

open access: yesJournal of Marine Science and Engineering, 2022
Recently, the NURBS technique has been widely used in the 3D design software for ships. However, in most research, the NURBS technique is only applied to the mathematical representation of hull curves and surfaces, and the parametric deformation of hull ...
Hui Zhou   +4 more
doaj   +1 more source

Automation of ship hull surface simulation [PDF]

open access: yesОмский научный вестник, 2023
The article presents a modified algorithm for automated formation of geometric model of ship hull surface. The use of developed algorithm for construction of NURBS-surfaces allows to decrease labor input in several times in comparison with the use of ...
E. V. Popov, I. N. Shorkina
doaj   +1 more source

Geometric Modeling of Compound NURBS Surfaces [PDF]

open access: yesEngineering and Technology Journal, 2020
The design of sculptured surfaces occupies an essential area in the field of modern industrial, aerospace, and medical applications. The challenge is to design products that have complex features efficiently with great flexibility of editing in certain ...
Ali K. Alwan, Wisam K. Hamdan
doaj   +1 more source

Large Depth-of-Field, Large Eyebox, and Wide Field-of-View Freeform-Holographic Augmented Reality Near-Eye Display. [PDF]

open access: yesAdv Sci (Weinh)
This study proposes an augmented reality (AR) near‐eye display system that simultaneously achieves a large depth‐of‐field (DOF) from 0.25 to 10 m, a wide 50° field‐of‐view (FOV), and a 10 mm × 10 mm viewing eyebox, while maintaining high display performance, good optical see‐through viewing capability, and a compact system form factor.
Wang Y, Yang T, Lyu X, Cheng D, Wang Y.
europepmc   +2 more sources

Fast Reconstruction Model of the Ship Hull NURBS Surface with Uniform Continuity for Calculating the Hydrostatic Elements

open access: yesJournal of Marine Science and Engineering, 2023
The fast reconstruction of the ship hull nonuniform rational B-spline (NURBS) surface with uniform continuity is essential for calculating hydrostatic elements such as waterplane area and molded volume in real time.
Kaige Zhu   +3 more
doaj   +1 more source

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