Results 31 to 40 of about 58,290 (291)

Explicit and Implicit Finite -Volume Methods for Depth Averaged Free-Surface Flows [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2020
In recent years, much progress has been made in solving free-surface flow variation problems in order to prevent flood environmental problems in natural rivers.
Evangelia D. Farsirotou   +2 more
doaj   +1 more source

Solution Optimization of RBF Interpolation for Implicit Modeling of Orebody

open access: yesIEEE Access, 2020
To interpolate large drillhole data sets efficiently in implicit modeling of orebody, we optimize the solution of the RBF equation based on the two-level domain decomposition method.
Deyun Zhong, Liguan Wang
doaj   +1 more source

IMPLICIT THREE-DIMENSIONAL GEO-MODELLING BASED ON HRBF SURFACE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Three-dimensional (3D) geological models are important representations of the results of regional geological surveys. However, the process of constructing 3D geological models from two-dimensional (2D) geological elements remains difficult and time ...
J. Gou, W. Zhou, L. Wu
doaj   +1 more source

Three-dimensional geological implicit surface reconstruction based on intermediate contour morphological interpolation

open access: yes地质科技通报, 2023
Objective In three-dimensional morphological reconstruction of complex geological surfaces, the sparse geological section data cannot meet the modelling requirements.
Quan Wang, Yanhong Zou
doaj   +1 more source

Feature based volumes for implicit intersections. [PDF]

open access: yes, 2011
The automatic generation of volumes bounding the intersection of two implicit surfaces (isosurfaces of real functions of 3D point coordinates) or feature based volumes (FBV) is presented.
Fryazinov, Oleg   +9 more
core   +1 more source

Implicit Surface Modeling from Imprecise Point Clouds [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
In applying optical methods for automated 3D indoor modelling, the 3D reconstruction of objects and surfaces is very sensitive to both lighting conditions and the observed surface properties, which ultimately compromise the utility of the acquired 3D ...
E. Funk   +3 more
doaj   +1 more source

3D Neuron Modeling Based on Controllable Convolution Surface [PDF]

open access: yesJisuanji gongcheng, 2023
In neuroscience, the analysis of complex neural behavior of the brain requires the construction of a smooth and high-quality neuron model.Given the complexity of three-dimensional neuron morphology data, the existing research on the three-dimensional ...
ZHU Xiaoqiang, CHEN Qi
doaj   +1 more source

Adaptive Meshing Based on the Multi-level Partition of Unity and Dynamic Particle Systems for Medical Image Datasets [PDF]

open access: yesInternational Journal Bioautomation, 2018
Surface meshes extracted from sparse medical images contain surface artifacts, there will produce serious distortion and generate numerous narrow triangle meshes.
Zhong Chen   +3 more
doaj   +1 more source

Fast reliable interrogation of procedurally defined implicit surfaces using extended revised affine arithmetic. [PDF]

open access: yes, 2010
Techniques based on interval and previous termaffine arithmetic next term and their modifications are shown to provide previous term reliable next term function range evaluation for the purposes of previous termsurface interrogation.next term In this ...
Fryazinov, Oleg   +5 more
core   +1 more source

Surface approximation using GPU-based localized fourier transform

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
The process of surface reconstruction has received considerable interest from researchers in recent years. Surface reconstruction plays a major role in many applications, such as visualization, geometric modeling and multiresolution analysis.
Mohamed H. MOUSA, Mohamed K. HUSSEIN
doaj   +1 more source

Home - About - Disclaimer - Privacy