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Displaying records 11 to 20 of 24 records.
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11. Fitting Weighted Total Least-Squares Planes and Parallel Planes to Support Tolerancing Standards
Topic: Software
Published: 10/19/2012
Authors: Craig M Shakarji, Vijay Srinivasan
Abstract: We present elegant algorithms for fitting a plane, two parallel planes (corresponding to a slot or a slab) or many parallel planes in a total (orthogonal) least-squares sense to coordinate data that is weighted. Each of these problems is reduced to a ...

12. An evaluation of local shape descriptors for 3D shape retrieval
Topic: Software
Published: 9/26/2012
Authors: Afzal A Godil, Sarah Y. Tang
Abstract: As the usage of 3D models increases, so does the importance of developing accurate 3D shape retrieval algorithms. A common approach is to calculate a shape descriptor for each object, which can then be compared to determine two objects‰ similarity. H ...

13. Review: Biological Imaging Software Tools
Topic: Software
Published: 8/29/2012
Authors: Anne L Plant, Kevin Eliceiri, Anne Carpenter
Abstract: Few technologies are more widespread in modern biological laboratories than imaging by microscopy. Advancements in optical technologies and instrumentation over the past twenty years have led to massive improvements in the resolution, specificity, d ...

14. A New Convexity Measurement for 3D Meshes
Topic: Software
Published: 6/16/2012
Authors: Afzal A Godil, Zhouhui Lian
Abstract: This paper presents a novel convexity measurement for 3D meshes. The new convexity measure is calculated by minimizing the ratio of the summed area of valid regions in a mesh‰s six views, which are projected on faces of the bounding box whose edg ...

15. Isolating Failure-Inducing Combinations in Combinatorial Testing using Test Augmentation and Classification
Topic: Software
Published: 4/21/2012
Authors: Kiran Shakya, Tao Xie, Nuo Li, Yu Lei, Raghu N Kacker, David R Kuhn
Abstract: Combinatorial Testing (CT) is a systematic way of sampling input parameters of the software under test (SUT). A t-way combinatorial test set can exercise all behaviors of the SUT caused by interactions between t input parameters or less. Although com ...

16. OOF3D: An Image-Based Finite Element Solver for Materials Science
Topic: Software
Published: 3/28/2012
Authors: Valerie R. Coffman, Andrew Charles edmu Reid, Stephen A Langer, Gunay Dogan
Abstract: Recent advances in experimental techniques (micro CT scans, automated serial sectioning, electron back-scatter diffraction, synchrotron radiation x-rays) have made it possible to characterize the full, three dimensional structure of real materials. S ...

17. Salient Local 3D Features for 3D Shape Retrieval
Topic: Software
Published: 4/7/2011
Authors: Afzal A Godil, Asim Wagan
Abstract: In this paper we describe a new formulation for the 3D salient local features based on the voxel grid inspired by the Scale Invariant Feature Transform (SIFT). We use it to identify the salient keypoints (invariant points) on a 3D voxelized model and ...

18. Artificial Intelligence Tools for Failure Event Data Management and Probability Risk Analysis for Failure Prevention
Topic: Software
Published: 10/25/2009
Authors: Jeffrey T Fong, Pedro Vincente Marcal
Abstract: Over the last thirty years, much research has been done on the development of failure event databases and fatigue modeling of crack growth in pressure vessels and piping. According to a USNRC report (NUREG/CR6674, 2000), results of a fatigue crack g ...

19. Gauging the Repeatability of 3D Imaging Systems by Sphere Fitting
Topic: Software
Published: 9/30/2009
Authors: Marek Franaszek, Geraldine S Cheok, Kamel S Saidi
Abstract: Multiple scans of the same object acquired with 3D imaging system (e.g., laser scanner) in the same experimental conditions could provide valuable information about the instrument s performance (e.g., stability, existence of bias, measurement error). ...

20. Test Tool for Industrial Ethernet Network Performance
Topic: Software
Published: 6/5/2009
Authors: James D Gilsinn, Freemon Johnson
Abstract: The number of devices that implement Ethernet interfaces on the factory floor is growing at an exponential rate along with the adoption of industrial-grade Ethernet networks on the plant floor. In addition to the sheer number of devices using indust ...

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