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Journal of WSCG, ISSN 1213-6972, 01/2019, Volume 27, Issue 1, p. 9
In this paper, we present a novel approach for accelerated silhouette computation based on potentially visible sets stored in the octree acceleration... 
Acceleration | Octrees | Light sources
Journal Article
Sensors (Switzerland), ISSN 1424-8220, 12/2018, Volume 18, Issue 12, p. 4398
The present study introduces an efficient algorithm to construct a file-based octree for a large 3D point cloud. However, the algorithm was very slow compared... 
3D point cloud | Memory-based octree | Octree | Terrestrial laser scanning | File-based octree | terrestrial laser scanning | DENSITY | ELECTROCHEMISTRY | octree | CHEMISTRY, ANALYTICAL | INSTRUMENTS & INSTRUMENTATION | file-based octree | SEGMENTATION | memory-based octree
Journal Article
SIAM Journal on Scientific Computing, ISSN 1064-8275, 2011, Volume 33, Issue 3, pp. 1103 - 1133
We present scalable algorithms for parallel adaptive mesh refinement and coarsening (AMR), partitioning, and 2:1 balancing on computational domains composed of... 
Large-scale scientific computing | Forest of octrees | Parallel adaptive mesh refinement | Scalable algorithms | Morton code | scalable algorithms | MATHEMATICS, APPLIED | parallel adaptive mesh refinement | large-scale scientific computing | FRAMEWORK | forest of octrees | FLOW | Studies | Algorithms | Numerical analysis | Mathematics
Journal Article
Autonomous robots, ISSN 1573-7527, 2013, Volume 34, Issue 3, pp. 189 - 206
Journal Article
ACM Transactions on Graphics (TOG), ISSN 0730-0301, 07/2017, Volume 36, Issue 4, pp. 1 - 11
We present O-CNN , an Octree-based Convolutional Neural Network (CNN) for 3D shape analysis. Built upon the octree representation of 3D shapes, our method... 
octree | shape segmentation | object classification | convolutional neural network | shape retrieval | Octree | Shape retrieval | Object classification | Convolutional neural network | Shape segmentation | COMPUTER SCIENCE, SOFTWARE ENGINEERING | Computer Science - Computer Vision and Pattern Recognition
Journal Article
SIAM JOURNAL ON SCIENTIFIC COMPUTING, ISSN 1064-8275, 2017, Volume 39, Issue 5, pp. C364 - C392
In tree-based adaptive mesh refinement, elements are partitioned between processes using a space-filling curve. The curve establishes an ordering between all... 
STORAGE | parallel algorithms | MATHEMATICS, APPLIED | mesh partitioning | OCTREES | coarse mesh | forest of octrees | adaptive mesh refinement | ALGORITHMS | SOLVER | REFINEMENT | FORESTS | FRAMEWORK | high-performance computing
Journal Article
ACM Transactions on Graphics (TOG), ISSN 0730-0301, 06/2013, Volume 32, Issue 3, pp. 1 - 13
Poisson surface reconstruction creates watertight surfaces from oriented point sets. In this work we extend the technique to explicitly incorporate the points... 
Screened Poisson equation | adaptive octree | finite elements | surface fitting | Adaptiveoctree | Finite elements | Surface fitting | COMPUTER SCIENCE, SOFTWARE ENGINEERING | Algorithms | ROBUST | Performance | Reconstruction | Linear systems | Screening | Interpolation | Discretization | Mathematical analysis | Solvers | Poisson equation
Journal Article
International journal for numerical methods in engineering, ISSN 0029-5981, 2017, Volume 109, Issue 5, pp. 697 - 738
Journal Article
Journal of Computational Physics, ISSN 0021-9991, 10/2016, Volume 322, pp. 345 - 364
Journal Article
SIAM Journal on Scientific Computing, ISSN 1064-8275, 2015, Volume 37, Issue 5, pp. C497 - C531
Journal Article
IEEE Transactions on Visualization and Computer Graphics, ISSN 1077-2626, 05/2011, Volume 17, Issue 5, pp. 669 - 681
Journal Article
SIAM journal on scientific computing, ISSN 1095-7197, 2018, Volume 40, Issue 4, pp. C450 - C476
We explore the potential uses of hash-based algorithms in the remap operation, mapping one computational mesh onto another. We implement and test optimizations... 
Hashing | Remap | Algorithms | N-body | Parallel | AMR | REFINEMENT | algorithms | MATHEMATICS, APPLIED | GRIDS | parallel | OCTREES | hashing | remap | MATHEMATICS AND COMPUTING
Journal Article
2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), ISSN 1063-6919, 07/2017, Volume 2017-, pp. 6620 - 6629
We present OctNet, a representation for deep learning with sparse 3D data. In contrast to existing models, our representation enables 3D convolutional networks... 
Three-dimensional displays | Image resolution | Shape | Arrays | Octrees | Memory management
Conference Proceeding
International Journal of Information Technology and Web Engineering, ISSN 1554-1045, 07/2018, Volume 13, Issue 3, pp. 1 - 13
This article describes how data indexing plays a very crucial role in query processing. Systems based on traditional indexes like B-tree, R-tree, Bitmap,... 
Skipnet | Octree | SkipNet-octree | Multidimensional index | Cloud database indexing technique | Multidimensional data | Queries | Query processing | Octrees | Data base management systems | B trees | Systems analysis | Indexing
Journal Article
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, ISSN 0731-5090, 11/2019, Volume 42, Issue 11, pp. 2557 - 2567
Journal Article
Computers and Mathematics with Applications, ISSN 0898-1221, 08/2019, Volume 78, Issue 4, pp. 1131 - 1141
A sparse octree based parallel implementation of the Lattice Boltzmann method for non-uniform meshes is presented in this paper. To couple grids of different... 
Mesh refinement | Octree | Musubi | Lattice Boltzmann Method | MATHEMATICS, APPLIED | ROTATIONAL INVARIANCE | NONUNIFORM GRIDS | SPHERE | FLOW | REFINEMENT | FLUID | MODELS | SIMULATIONS | Algorithms | Interpolation | Three dimensional flow | Computational fluid dynamics | Computer simulation | Octrees | Reynolds number | Fluid flow | Domain decomposition methods | Strain rate
Journal Article
Computer methods in applied mechanics and engineering, ISSN 0045-7825, 2016, Volume 306, pp. 406 - 426
This paper presents an efficient and accurate method for the integration of discontinuous functions on a background mesh in three dimensions. This task is... 
Marching cubes | Numerical integration | Finite Cell Method | INTERPOLATION | ELEMENT | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MECHANICS | ENGINEERING, MULTIDISCIPLINARY | ISOGEOMETRIC ANALYSIS | Algorithms | Octrees | Computation | Mathematical analysis | Mathematical models | Graph theory | Three dimensional | Quadratures
Journal Article
IEEE Transactions on Image Processing, ISSN 1057-7149, 04/2016, Volume 25, Issue 4, pp. 1765 - 1778
Journal Article