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Extracting skeletal curves from 3D scattered data
1999
Proceedings Shape Modeling International '99. International Conference on Shape Modeling and Applications
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We introduce a method for extracting skeletal curves from an unorganized collection of scattered data points lying on a surface. ...
The skeletal curves can be used for different applications ranging from surface reconstruction to object recognition. ...
In [6, 14] the authors propose an implicit reconstruction of shapes from a set of 3D scattered points using the Voronoï graph of the data points to built a geometric skeleton. ...
doi:10.1109/sma.1999.749340
dblp:conf/smi/VerroustL99
fatcat:p7ikklw3hngj5nqdxdm2hzbq7u
Extracting skeletal curves from 3D scattered data
2000
The Visual Computer
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We introduce a method for extracting skeletal curves from an unorganized collection of scattered data points lying on a surface. ...
The skeletal curves can be used for different applications ranging from surface reconstruction to object recognition. ...
In [6, 14] the authors propose an implicit reconstruction of shapes from a set of 3D scattered points using the Voronoï graph of the data points to built a geometric skeleton. ...
doi:10.1007/pl00007210
fatcat:whu6tnowpvct5mfode5fam6fqa
Kinect User Authentication using Multimodal Biometric
2018
Indian Journal of Science and Technology
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Methods/Statistical Analysis: To increase the reliability and robust of the system, we superimpose skeletal biometric features with facial features where data combined using 3D Imaging Technology. ...
Performance Curves (EPC) are used for performance evaluation. ...
Figure 1 . 1 Skeletal Joints and Skeletal Dimensions.
Figure 2 . 2 Logistic Regression Curve. ...
doi:10.17485/ijst/2018/v11i10/121126
fatcat:3gh5a35xifcwrodf52dgqkh2mu
Curve skeleton extraction from incomplete point cloud
2009
ACM SIGGRAPH 2009 papers on - SIGGRAPH '09
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Figure 1 : From a raw scan with significant missing data, our algorithm extracts a complete curve skeleton, shown in the middle. ...
Abstract We present an algorithm for curve skeleton extraction from imperfect point clouds where large portions of the data may be missing. ...
The camel and fertility models are from the AIM@SHAPE shape repository and the horse model from the Stanford 3D Scanning Repository. The Victoria and fork models are courtesy of Dr. Andrei Sharf. ...
doi:10.1145/1576246.1531377
fatcat:6ebr5la6zvhv3olkklrg6tgvou
Curve skeleton extraction from incomplete point cloud
2009
ACM Transactions on Graphics
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Figure 1 : From a raw scan with significant missing data, our algorithm extracts a complete curve skeleton, shown in the middle. ...
Abstract We present an algorithm for curve skeleton extraction from imperfect point clouds where large portions of the data may be missing. ...
The camel and fertility models are from the AIM@SHAPE shape repository and the horse model from the Stanford 3D Scanning Repository. The Victoria and fork models are courtesy of Dr. Andrei Sharf. ...
doi:10.1145/1531326.1531377
fatcat:2rdk55t4mretni6tszfiipnipu
Automatic rigging for animation characters with 3D silhouette
2009
Computer Animation and Virtual Worlds
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The first step is to extract a coarse 3D curve skeleton and some skeletal joints of a character. This curve skeleton is then refined with a perpendicular silhouette. ...
According to the connectivity of the skeletal joints, the hierarchical animation skeleton is finally constructed. ...
All the models used for this paper are from 500 3D-Objects, the Ultimate Human (http:// www.cgcharacter.com/ultimatehuman.html) and the mesh data provided by Robert Sumner and Jovan Popović in the Computer ...
doi:10.1002/cav.284
fatcat:bp7knhbc2jfjjh4e5dsa4lx5l4
Skeletal dosimetry in the MAX06 and the FAX06 phantoms for external exposure to photons based on vertebral 3D-microCT images
2006
Physics in Medicine and Biology
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Additionally the microCT image-based results have been compared with corresponding data from earlier studies for other human phantoms. ...
In order to use the segmented 3D-microCT images for skeletal dosimetry, spongiosa voxels in the MAX06 and the FAX06 phantom were replaced at runtime by so-called micro matrices representing segmented trabecular ...
Florida, USA, for the 3D-microCT images of the vertebral bodies they made available for this study, and especially to Dr D Rajon for the patience he showed explaining the voxel effects. ...
doi:10.1088/0031-9155/51/24/001
pmid:17148818
fatcat:yoqlv5wrqvcibnuuyb43nd6wr4
A Skeleton-bridged Deep Learning Approach for Generating Meshes of Complex Topologies from Single RGB Images
[article]
2019
arXiv
pre-print
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This paper focuses on the challenging task of learning 3D object surface reconstructions from single RGB images. ...
To learn skeleton from an input image, we design a deep architecture whose decoder is based on a novel design of parallel streams respectively for synthesis of curve- and surface-like skeleton points. ...
The point sets regressed by PSG are sparse and scattered, leading to the difficulty of extracting triangular meshes from them. ...
arXiv:1903.04704v2
fatcat:37vgmxqsr5gylezt6bjzkdh44m
A Fire Drill Training System Based on VR and Kinect Somatosensory Technologies
2018
International Journal of Online Engineering (iJOE)
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objects in virtual simulation environment, 3D modeling, scene building with Unity, identified human skeletal by Kinect, and using Euclidean distance matching recognition algorithm for body movements, ...
combined Somatosensory camera Kinect and VR can achieve self-construction and virtual simulation fire drill based on somatosensory interaction; the platform achieves interaction between human and the 3D ...
The extraction method of a feature is based on the quaternion method, including 3D coordinates and rotation angle for each bone/skeletal point that is represented by four data. ...
doi:10.3991/ijoe.v14i04.8398
fatcat:njliv6b4o5fyxdtcfzgzmws2te
Error-based segmentation of cloud data for direct rapid prototyping
2003
Computer-Aided Design
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By constructing an intermediate point-based curve model (IPCM), a layer-based RP model is directly generated from the cloud data and served as the input to the RP machine for fabrication. ...
Second, based on the FPs of each region, an IPCM is constructed, and RP layer contours are then directly extracted from the models. ...
A 3D skeletal curve is therefore generated, as shown in Fig. 5(a) . ...
doi:10.1016/s0010-4485(02)00087-8
fatcat:5rl3g45lvjhk5nrgx2yvkftvnu
Monte Carlo Modeling of Photon Propagation Reveals Highly Scattering Coral Tissue
2016
Frontiers in Plant Science
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Extraction of Coral Skeleton Optical Properties from Monte Carlo Model To solve the inverse radiative transfer problem for our two layer model, i.e., the extraction of inherent optical properties based ...
The experimental data are black squares (mean ± SD, n = 13 repetitions). The match between experiment and simulation was based on both the slope and absolute values of the φ(r) curves. ...
doi:10.3389/fpls.2016.01404
pmid:27708657
pmcid:PMC5030289
fatcat:gzej2sdv3ja2znj6sh6y43ymyu
Microscale light management and inherent optical properties of intact corals studied with optical coherence tomography
[article]
2018
bioRxiv
pre-print
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,Hydnophora pilosa) no difference was found between tissue and skeletal scattering. ...
Our results reveal that light scattering between coral species ranges from μs= 3 mm-1(Stylophora pistillata) to μs= 25 mm-1(Echinopora lamelosa). ...
developed for brain tissues in optogenetics [54] and can 283 now in theory also be developed using 3D segmented tissue and skeletal architectures from OCT scans 284 (Fig.1) [31] combined with data on ...
doi:10.1101/376723
fatcat:vspwi5k2ejcwjp4m6ifhsz52de
Bionic 3D printed corals
[article]
2019
bioRxiv
pre-print
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Corals are characterized by an elastic animal tissue hosting microalgae and a light scattering calcium carbonate skeleton that maximizes light delivery towards otherwise shaded algal-containing tissues4,5 ...
Here, we developed 3D printed bionic corals capable of growing various types of microalgae with cell densities approaching 109 cells mL-1, up to 100 times greater than in liquid culture. ...
efficient white light scatterers (Extended Data Fig. 2a ). ...
doi:10.1101/834051
fatcat:ssqm4c22orclhpddna6hbrlseq
Anatomy of triply-periodic network assemblies: characterizing skeletal and inter-domain surface geometry of block copolymer gyroids
2018
Soft Matter
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Mesogeometric anatomy – 2D inter-material surfaces and 1D skeletons – extracted from triply-periodic, double-gyroid network assembled from triblock copolymers. ...
3D EMT re- ...
G. ) and JSPS KAKENHI Award Nos. 16H02288 & 16K14001 and Management Expenses Grants for National Universities Corporations from Ministry of Education, Culture, Sports, Science and Technology of Japan ( ...
doi:10.1039/c8sm00078f
pmid:29683466
fatcat:osd2m3nu6rfljlvq3ss6uhevee
Quantitative assessment of automatic reconstructions of branching systems obtained from laser scanning
2014
Annals of Botany
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Highlights: In this work, we propose a method to evaluate and compare different reconstruction methods from laser data using expert reconstruction and a new structural distance. ...
Extracting skeletal curves from 3d scattered data. Visual Computer 16, 15-25. Livny Y., Yan F., Olson M., Chen B., Zhang H., El-Sana J. 2010. ...
Reconstructing plant architecture from 3D laser scanner data. Proceedings of the 6th International Workshop on Functional-Structural Plant Models,16-18. Sinoquet H., Rivet P., Godin C., 1997. ...
doi:10.1093/aob/mcu062
pmid:24769534
pmcid:PMC4156121
fatcat:yqqr6jbotrbqxm5qvymu4zpy3y
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