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Blending, smoothing and interpolation of irregular meshes using N-sided Varady patches
1999
Proceedings of the fifth ACM symposium on Solid modeling and applications - SMA '99
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framed by the network curves with n-sided Varady patches. ...
Several new techniques are introduced; these include restructuring techniques for a given mesh regarding blending and interpolation problems, ,a network curves construction technique, an energy formulation ...
Yong Zhou for providing us with the rendering package. We thank all the anonymous reviewers for their comments. ...
doi:10.1145/304012.304034
dblp:conf/sma/WangCB99
fatcat:dsk7bjszzzdk7bzwj5xwx6tddi
Writing productive stencil codes with overlapped tiling
2009
Concurrency and Computation
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It uses a finite difference scheme in a multi-grid algorithm to solve the 3D Poisson's equation with periodic bound-19 aries. ...
This is not surprising given that this network is much slower with 31 U N C O R R E C T E D P R O O F 12 J. GUO ET AL.
CPE 1340 respect to its processors. ...
doi:10.1002/cpe.1340
fatcat:cjtbsmy7gvb6xojbuyzoobcm5e
Patch-Based Video Processing: A Variational Bayesian Approach
2009
IEEE transactions on circuits and systems for video technology (Print)
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A weighted averaging strategy of fusing diverse inference results from overlapped patches is also developed. ...
In this paper, we present a patch-based variational Bayesian framework for video processing and demonstrate its potential in denoising, inpainting and deinterlacing. ...
A. Foi, and Prof. K. Egiazarian for making the implementation of VBM3D denoising publicly available, which greatly facilitates the experimental study of this work. The authors would also thank Mr. M. ...
doi:10.1109/tcsvt.2008.2005805
fatcat:faai4nfzkvgwrh33pa4e2zzo7q
Page 6784 of Mathematical Reviews Vol. , Issue 91M
[page]
1991
Mathematical Reviews
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{For the entire collection see MR 91¢:65004.}
91m:65050 65D17 68U07
Varady, Tamas (H-AOS-C)
Overlap patches: a new scheme for interpolating curve networks with n-sided regions.
Comput. Aided Geom. ...
Summary: “A general scheme for defining n-sided surface patches is described. ...
Globally consistent depth sorting of overlapping 2D surfaces in a model using local recurrent interactions
2008
Biological cybernetics
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For example, at occlusions, T-junctions indicate the local relative depth precedence of surface patches. ...
Based on the contour representation created by this model, a recursive scheme of local interactions subsequently achieves A. ...
When a contour is assigned to layers #1 and #N , then it is an isolated surface contour not overlapping with others. ...
doi:10.1007/s00422-008-0211-7
pmid:18317794
fatcat:xipxst3iaberribotnmylkcafe
Cut, overlap and locate: a deep learning approach for the 3D localization of particles in astigmatic optical setups
2020
Experiments in Fluids
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This allows for the detection of low-intensity and overlapping particle images in a single pass of an image through a neural network. ...
We achieve a similar error in the depth predictions to previous algorithms for non-overlapping particle images. ...
The computational cost of the method is (Lin et al. 2016): where m is the number of pixels of the image region with the overlapping particle images and n are the number of fitting parameters of a Gaussian ...
doi:10.1007/s00348-020-02968-w
fatcat:dromsw3cfvgobc4p32nf2jw6ca
Self-transfer learning via patches: A prostate cancer triage approach based on bi-parametric MRI
[article]
2021
arXiv
pre-print
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In this paper, we present a patch-based pre-training strategy to distinguish between cS and ncS lesions which exploit the region of interest (ROI) of the patched source domain to efficiently train a classifier ...
In order to palliate such issues, existing works rely on transfer learning (TL) and ImageNet pre-training, which has been proven to be sub-optimal for the medical imaging domain. ...
In order to obtain the patches, we process every slice with a sliding window with predefined size and without overlap nor without offset in between the different patches. ...
arXiv:2107.10806v1
fatcat:3hxsfppvxncjbkhqdec7qmrppy
Multi-sided B-spline surfaces over curved, multi-connected domains
2021
Computer Aided Geometric Design
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We propose a new surface representation, the Generalized B-spline (GBS) patch, that combines ribbon interpolants given in B-spline form. ...
This is a follow-up paper of a recent publication (Várady et al., 2020) that described multisided Bézier surfaces over curved multi-sided domains. ...
Special thanks are due to Dániel Bárdossy for providing concept car images. ...
doi:10.1016/j.cagd.2021.102019
fatcat:5ne6hxdlbfep5d3yivc3miaobm
Green's functions for a theoretical model of an aperture fed stacked-patch microstrip antenna
1990
International Symposium on Antennas and Propagation Society, Merging Technologies for the 90's
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When used with the methods of moments, the results of this research should be useful to accurately analyze a stacked-patch antenna. ...
I chose a full-wave analysis based on the mixed potential integral equations (MPIE) for the basis of this model. ...
Sullivan and Schaubert [3] continued with /J C i p Region b Lb Fa Region a _ C o 0 Jinc + if (a) £ CoJp Region b - M W L bz M s La s Region a __ r.o Jinc + Jf (b) With the space below the ground plane ...
doi:10.1109/aps.1990.115304
fatcat:jrxbqphapfepxaerc7m2f4tb2m
The CNOC2 Field Galaxy Redshift Survey. I. The Survey and the Catalog for the Patch CNOC 0223+00
2000
Astrophysical Journal Supplement Series
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The Canadian Network for Observational Cosmology (CNOC2) Field Galaxy Redshift Survey is a spectroscopic/photometric survey of faint galaxies over 1.5 square degrees of sky with a nominal spectroscopic ...
The survey area contains four widely separated patches on the sky with a total spectroscopic sample of over 6000 redshifts and a photometric sample of over 40,000 galaxies with 5-color photometry. ...
This project was supported by a Collaborative Program grant from NSERC, as well as individual operating grants from NSERC to R. G. C. and H. K. C. Y. Finally, H. ...
doi:10.1086/313426
fatcat:qltaftc35bh5tegwfqjyklvyse
Multipatch methods in general relativistic astrophysics: Hydrodynamical flows on fixed backgrounds
2008
Physical Review D
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2007 pre-print arXiv:0712.0353v1 fatcat:lzsj7sg2afcw5jjvl6blfneesm
We provide detailed instructions on how to implement such a scheme, and present a number of code tests for the fixed background case, including an accretion torus around a black hole. ...
We present, in this series of papers, a numerical technique which is able to use effectively spherical grids by employing multiple patches. ...
Acknowledgments We greatly enjoyed the inspiring discussions we had with M. Anderson ...
doi:10.1103/physrevd.77.103015
fatcat:5ka2fsz3jnfs7ddrvdkd64i3q4
A feature-based approach for smooth surfaces
1997
Proceedings of the fourth ACM symposium on Solid modeling and applications - SMA '97
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From these flow curves, the system automatically creates a control network that encloses the object shape. ...
This paper presents a new feature-based approach for smooth surfaces. Here, the smooth surfaces are assumed to be 2-dimensional @differentiable manifolds within a theoretical framework. ...
L-sided patch from its n boundary curve segments by blending the swept subsurfaces of the n curve segments. In our implementation, we perform the following procedures. ...
doi:10.1145/267734.267760
dblp:conf/sma/TakahashiSK97
fatcat:mihrdmb5jrbjnb3maoilf6meuy
A fast interactive reverse-engineering system
2010
Computer-Aided Design
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Interactive 3D input device a b s t r a c t A new method of reverse engineering for fast, simple and interactive acquisition and reconstruction of a virtual three-dimensional (3D) model is presented. ...
Several examples demonstrate the ability of the proposed advanced design methodology to produce complex 3D geometric models by the interactive and iterative process that provides the user with a real-time ...
Luca Benini for helpful discussions, valuable comments and suggestions, and Marco Benocci for his technical support during the development of the project. ...
doi:10.1016/j.cad.2010.06.001
fatcat:5gxmi2k4ynax7ipumkbfosk6fy
Fundus Image Registration Technique Based on Local Feature of Retinal Vessels
2021
Applied Sciences
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Then, CURVE is paired with a scale-invariant feature transform (SIFT) descriptor to test its registration capability on the fundus image registration (FIRE) dataset. ...
Therefore, this paper introduces a feature extraction method based on a local feature of retinal vessels (CURVE) that incorporates retinal vessels and noises characteristics to accurately extract feature ...
Conclusions This paper introduces a new feature extraction method known as CURVE for the feature-based RIR technique. ...
doi:10.3390/app112311201
fatcat:j7eflxfpzbbyhjcq5usqe5ivy4
A sketching interface for feature curve recovery of free-form surfaces
2009
2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling on - SPM '09
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effective feature curve recovery tool, we can quickly sketch a set of characteristic features on each input model which establishes the correspondence to a pre-defined template mesh and thus allows us ...
Finally, we can use the feature curves and the shape model to implement an intuitive modeling metaphor to explore the shape space spanned by the input models. ...
Acknowledgements We would like to thank General Motors R&D for their support. ...
doi:10.1145/1629255.1629285
dblp:conf/sma/DekkersKPS09
fatcat:6eohf4guxvaf3lb7lzydap4dj4
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