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A unified method for appearance and geometry completion of point set surfaces

Chunxia Xiao, Wenting Zheng, Yongwei Miao, Yong Zhao, Qunsheng Peng
2007 The Visual Computer  
This paper presents a novel approach for appearance and geometry completion over point-sampled geometry.  ...  Experiments show that our method is flexible, efficient and easy to implement. It provides a practical texture synthesis and geometry completion tool for 3D point set surfaces.  ...  Recently, some researchers have focused on the task of appearance and geometry completion of defective point set surfaces.  ... 
doi:10.1007/s00371-007-0115-x fatcat:q3kio7arrna6jnjxz3xbudqngu

Surface completion for shape and appearance

Seyoun Park, Xiaohu Guo, Hayong Shin, Hong Qin
2006 The Visual Computer  
In this paper, we present a new surface content completion system that can effectively repair both shape and appearance from scanned, incomplete point set inputs.  ...  of defective, complex point surfaces.  ...  -Automatic repair for both the shape and appearance of the defective point sets.  ... 
doi:10.1007/s00371-006-0374-y fatcat:v3fupiglvjamvn5ippfjme4i7m

Shape and appearance repair for incomplete point surfaces

Seyoun Park, Xiaohu Guo, Hayong Shin, Hong Qin
2005 Tenth IEEE International Conference on Computer Vision (ICCV'05) Volume 1  
This paper presents a new surface content completion framework that can restore both shape and appearance from scanned, incomplete point set inputs.  ...  Our experiments show that the unified framework, founded upon the techniques of deformable models, local parameterization, and PDE modeling, can provide a robust and elegant solution for content completion  ...  Seyoun Park was an exchange Ph.D candidate at Computer Science Department and Center for Visual Computing. This work was partially supported by the KRF grant M07-2003-000-20301-0 to S.  ... 
doi:10.1109/iccv.2005.218 dblp:conf/iccv/ParkGSQ05 fatcat:nfrqsdepk5c5xbbevfr74opcha

Unified Underwater Structure-from-Motion [article]

Kazuto Ichimaru, Yuichi Taguchi, Hiroshi Kawasaki
2019 arXiv   pre-print
We provide unified reconstruction techniques for a variety of scenarios such as single static camera and moving refractive interface, single moving camera and static refractive interface, and single moving  ...  Experiments with real data show the superiority of our method to existing methods.  ...  Despite many previous work for underwater geometry calibration/reconstruction, most of them assumed specialized geometry settings.  ... 
arXiv:1909.03583v1 fatcat:lpmtoeczfjffbdcbgl6fzrlcfm

Progressive Compression of Point-Sampled Models [article]

M. Waschbüsch, M. Gross, F. Eberhard, E. Lamboray, S. Würmlin
2004 Symposium Point-Based Graphics : [Proceedings]  
Our framework enables for compressing both geometry and appearance of the model in a unified manner. We show the performance of our framework on a diversity of point-based models.  ...  decomposition of the point set and thus easily allows for progressive decoding.  ...  We have shown by a set of various examples that this approach works quite efficiently. We complete our framework by also suggesting methods for compression of colors and normals.  ... 
doi:10.2312/spbg/spbg04/095-102 fatcat:bv6vgxmcujc6pg7xmi56lhyn4q

ACQUISITION AND REPRODUCTION OF SURFACE APPEARANCE IN ARCHITECTURAL ORTHOIMAGES

A. Martos, R. Cachero
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Acquisition of the actual <i>surface appearance</i>, separated from the existing illumination, is still a challenge for any kind of cultural heritage item, but very specially for architectural elements  ...  Methods based on systematic sampling with commuting light patterns in a laboratory set-up are not suitable.  ...  determined indirectly, instead of a set of well known point sources.  ... 
doi:10.5194/isprsarchives-xl-5-w4-139-2015 fatcat:dt5aigbhlnh45mhx5foin3t6qa

Multi-level Partition of Unity Algebraic Point Set Surfaces

Chunxia Xiao, Guangpu Feng, Yu Chu, Zhongyi Du, Xunhua Yang
2009 2009 International Conference on Multimedia Information Networking and Security  
We demonstrate the effectiveness of our unified approach for both surface reconstruction and geometry modeling such as surface completion. and Technology.  ...  An algebraic point set surface (APSS) defines a smooth surface from a set of unorganized points using local moving least-squares (MLS) fitting of algebraic spheres.  ...  Acknowledgment The author would like to thank the anonymous reviewers for their valuable comments and insightful suggestions.  ... 
doi:10.1109/mines.2009.206 fatcat:mqxx5ay7kneqtotjbslqfd2lti

Multi-Level Partition of Unity Algebraic Point Set Surfaces

Chun-Xia Xiao
2011 Journal of Computer Science and Technology  
We demonstrate the effectiveness of our unified approach for both surface reconstruction and geometry modeling such as surface completion. and Technology.  ...  An algebraic point set surface (APSS) defines a smooth surface from a set of unorganized points using local moving least-squares (MLS) fitting of algebraic spheres.  ...  Acknowledgment The author would like to thank the anonymous reviewers for their valuable comments and insightful suggestions.  ... 
doi:10.1007/s11390-011-9429-2 fatcat:pugtab7unnbuxgom6wjq6wximq

Page 5407 of Mathematical Reviews Vol. , Issue 95i [page]

1995 Mathematical Reviews  
Finally, the author proves an existence theorem for a complete minimal surface of genus one and one end of infinite total curvature. It should be pointed out that D. A. Hoffman, F. S. Wei and H.  ...  The second is a one-parameter family of complete minimal surfaces of genus one and three ends.  ... 

Visually-complete aerial LiDAR point cloud rendering

Zhenzhen Gao, Luciano Nocera, Ulrich Neumann
2012 Proceedings of the 20th International Conference on Advances in Geographic Information Systems - SIGSPATIAL '12  
These methods are generic and can be applied to any aerial LiDAR data set with buildings and trees.  ...  More specifically, the class of object a point is related to augments the point cloud in pre-processing and/or adapts the online rendering, to produce visualizations that are more complete and realistic  ...  Only a few points typically appear on vertical surfaces such as building walls and such areas are either completely occluded or severely under-sampled, as is the case for ground areas under tree canopies  ... 
doi:10.1145/2424321.2424359 dblp:conf/gis/GaoNN12 fatcat:vw5rufhja5gm5goffjnjddulrq

Learning Enhanced 3D Models for Vehicle Tracking

J. M. Ferryman, A. D. Worrall, S. J. Maybank
1998 Procedings of the British Machine Vision Conference 1998  
The method is shown to enhance model-based tracking, particularly in the presence of clutter and occlusion, and to provide a basis for identification.  ...  The "appearance" of a 3D object is learnt using an eigenspace representation obtained as it is tracked through a scene.  ...  Appearance model An appearance model is constructed for each model surface. For each surface on the vehicle a set of (Ò 500) points are constructed on the surface.  ... 
doi:10.5244/c.12.87 dblp:conf/bmvc/FerrymanWM98 fatcat:gasnyckylrc5hi4lkdxxoyal7m

Multiview Neural Surface Reconstruction by Disentangling Geometry and Appearance [article]

Lior Yariv, Yoni Kasten, Dror Moran, Meirav Galun, Matan Atzmon, Ronen Basri, Yaron Lipman
2020 arXiv   pre-print
The geometry is represented as a zero level-set of a neural network, while the neural renderer, derived from the rendering equation, is capable of (implicitly) modeling a wide set of lighting conditions  ...  We introduce a neural network architecture that simultaneously learns the unknown geometry, camera parameters, and a neural renderer that approximates the light reflected from the surface towards the camera  ...  B.2 Disentangling geometry and appearance B.3 PSNR on a held-out set of images In our experiments the PSNR is computed over training images.  ... 
arXiv:2003.09852v3 fatcat:uix2ro3eevepnlnclz54og43t4

Progressive lossless compression of arbitrary simplicial complexes

Pierre-Marie Gandoin, Olivier Devillers
2002 ACM Transactions on Graphics  
The main contributions of this paper are: the idea of using the kd-tree encoding of the geometry to drive the construction of a sequence of meshes, an improved coding of the edge expansion and vertex split  ...  since the vertices to split are implicitly defined, a prediction scheme which reduces the code for simplices incident to the split vertex, and a new generalization of the edge expansion operation to tetrahedral  ...  Let our model be composed of a point set and a set of simplices (edges and triangles).  ... 
doi:10.1145/566654.566591 fatcat:emz5kw2k7jfchfd7cae6enxqqe

Progressive lossless compression of arbitrary simplicial complexes

Pierre-Marie Gandoin, Olivier Devillers
2002 ACM Transactions on Graphics  
The main contributions of this paper are: the idea of using the kd-tree encoding of the geometry to drive the construction of a sequence of meshes, an improved coding of the edge expansion and vertex split  ...  since the vertices to split are implicitly defined, a prediction scheme which reduces the code for simplices incident to the split vertex, and a new generalization of the edge expansion operation to tetrahedral  ...  Let our model be composed of a point set and a set of simplices (edges and triangles).  ... 
doi:10.1145/566570.566591 fatcat:7hs6gokp7ne4lpjcec4am6rwni

Single viewpoint model completion of symmetric objects for digital inspection

Alvin J. Law, Daniel G. Aliaga
2011 Computer Vision and Image Understanding  
Despite these limitations, our method is still suitable for a wide range of objects. Visualization Laboratory, and his research interests are in appearance editing and 3D modeling.  ...  Thus, a major challenge of digital inspection is to obtain complete, highresolution models for a comprehensive inspection of the object.  ...  A variety of shape-fitting and shape-classification methods have been proposed to detect symmetry from fragments (e.g., fitting point sets to cylindrical, surface-of-revolution, or helical symmetry [18  ... 
doi:10.1016/j.cviu.2010.11.019 fatcat:u65bnlcyvzc5bcvamrvldi6ioy
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