3,132 Hits in 8.9 sec

Multi-Layer Level of Detail For Character Animation [article]

Yann Savoye, Alexandre Meyer
2008 Workshop on Virtual Reality Interactions and Physical Simulations  
and selective mesh level of detail.  ...  Animation and level of detail are well explored fields but little has been done to generate level of detail automatically for dynamic articulated meshes.  ...  Taking into account the aspect ratio of triangles helps to select operations that improve mesh quality. A flat triangle has a compactness near zero and should be decimated in priority (Figure 9 ).  ... 
doi:10.2312/pe/vriphys/vriphys08/057-066 dblp:conf/vriphys/SavoyeM08 fatcat:hqvk7eujrzcjvd54ijrncidfma

Fast Mesh Simplification Method for Three-Dimensional Geometric Models with Feature-Preserving Efficiency

Yongzhi Wang, Jianwen Zheng, Hui Wang
2019 Scientific Programming  
The energy-operator can evaluate the smoothness and complexity of the regional mesh in 3D models.  ...  To avoid excessive details, thus omitting less important content, of three-dimensional (3D) geometric models, this study proposes a fast mesh simplification method based on an energy-operator for 3D geometric  ...  various levels of detail according to the complexity of models.  ... 
doi:10.1155/2019/4926190 fatcat:txgb46otnnbihfduwapozkgxgm

Progressive compression of manifold polygon meshes

Adrien Maglo, Clément Courbet, Pierre Alliez, Céline Hudelot
2012 Computers & graphics  
The input surface is decimated by several traversals that generate successive levels of detail through a specific patch decimation operator which combines vertex removal and local remeshing.  ...  This paper presents a new algorithm for the progressive compression of manifold polygon meshes.  ...  Acknowledgements The authors would like to thank Ho Lee for providing some experimental compression results first published in [7] and Jae-Kyun Ahn for providing the experimental compression results  ... 
doi:10.1016/j.cag.2012.03.023 fatcat:glgxztksmbelzi4e2jshvl47yu

Multiresolution analysis on irregular surface meshes

G.-P. Bonneau
1998 IEEE Transactions on Visualization and Computer Graphics  
Wavelet-based methods have proven their efficiency for the visualization at different levels of detail, progressive transmission, and compression of large data sets.  ...  In particular, the necessity of subdivision-connectivity prevents the application of wavelet-based methods on irregular triangular meshes.  ...  Need for an extension of wavelet theory There exist numerous algorithms for reducing the number of triangles in a mesh -independently of the data that is defined on this mesh.  ... 
doi:10.1109/2945.765329 fatcat:ctpfw7wkezfpfjayiva3j4kxei

Multiresolution decimation based on global error

A. Ciampalini, P. Cignoni, C. Montani, R. Scopigno
1997 The Visual Computer  
A multiresolution representation improves over LOD because: the user or the application have much more flexibility in the selection of the "best" level of detail; in many cases it is better to leave that  ...  Moreover, we show that with a small increase in memory, which is needed to store the multiresolution data representation, we are able to extract any level of detail representation from the simplification  ...  An executable (SGI version) of the JADE code is available on the public domain at address: .  ... 
doi:10.1007/s003710050101 fatcat:7d64hewtwveyromhu3ynhk2rvy

An Efficient Surface Reconstruction Pipeline for Particle-Based Fluids [article]

Gizem Akinci, Nadir Akinci, Markus Ihmsen, Matthias Teschner
2012 Workshop on Virtual Reality Interactions and Physical Simulations  
In comparison to existing approaches, the decimation step alleviates the particle alignment related bumpiness very efficiently and reduces the number of triangles in flat regions.  ...  After the scalar field computation and the marching cubes based triangulation, we post process the surface mesh by applying surface decimation and subdivision algorithms.  ...  We also thank NVIDIA ARC GmbH for supporting this work.  ... 
doi:10.2312/pe/vriphys/vriphys12/061-068 dblp:conf/vriphys/AkinciAIT12 fatcat:dpkhdvv6jfbjfpxwyodksi5s74

Structure-Aware Mesh Decimation

D. Salinas, F. Lafarge, P. Alliez
2015 Computer graphics forum (Print)  
We present a novel approach for the decimation of triangle surface meshes.  ...  Our experiments on a variety of inputs illustrate the potential of our approach in terms of improved accuracy and preservation of structure.  ...  The authors wish to thank Acute3D and InterAtlas for providing the urban meshes of Paris. This work is partially funded by an ERC Starting Grant "Robust Geometry Processing" (257474).  ... 
doi:10.1111/cgf.12531 fatcat:775d6eb3yrfyhl3c4taew5itym

Real-time mesh simplification using the GPU

Christopher DeCoro, Natalya Tatarchuk
2007 Proceedings of the 2007 symposium on Interactive 3D graphics and games - I3D '07  
We can generate adaptive levels of detail by applying non-linear warping functions to the cluster map in order to improve resulting simplification quality.  ...  encoding and variable level-of-detail.  ...  We would also like to thank Szymon Rusinkiewicz of Princeton University for providing useful feedback and advice on early versions of this paper, as well as providing additional funding.  ... 
doi:10.1145/1230100.1230128 dblp:conf/si3d/DeCoroT07 fatcat:2ejn6ajmsvek3agpaern6uii4a

Tutorial 2 - Level-of-Detail in Surface and Volume Modeling [article]

Leila De Floriani, Enrico Puppo, Paolo Cignoni, Roberto Scopigno
1999 Eurographics State of the Art Reports  
of shape nodes at different level of detail (specified in order of decreasing details) G center field: object's baricenter used to compute viewing distance G range field: defines distances to switch between  ...  Roberto Scopigno National Research Council Pisa Italy IEEE Vis'98 Tutorial G group node G specifies the shape of a single object at multiple level of details (children shape nodes specified in order of  ... 
doi:10.2312/egt.19991073 fatcat:tr2joavcl5hfjmr36wf3ivdxay

Appearance-Driven Automatic 3D Model Simplification [article]

Jon Hasselgren, Jacob Munkberg, Jaakko Lehtinen, Miika Aittala, Samuli Laine
2021 arXiv   pre-print
We describe several use cases, including mesh decimation, level of detail generation, seamless mesh filtering and approximations of aggregate geometry.  ...  We present a suite of techniques for jointly optimizing triangle meshes and shading models to match the appearance of reference scenes.  ...  D MESH DECIMATION: VARYING TRIANGLE COUNT IN THE REDUCED MESH In Figure 17 we study quality as function of the triangle count in our initial guess for the Ewer model.  ... 
arXiv:2104.03989v1 fatcat:kygkk7edgjhsrhvgug7o3iyipu

Multiresolution hierarchies on unstructured triangle meshes

Leif Kobbelt, Jens Vorsatz, Hans-Peter Seidel
1999 Computational geometry  
The use of polygonal meshes for the representation of highly complex geometric objects has become the de facto standard in most computer graphics applications.  ...  Since smooth (subdivision) basis functions are no longer available in this generalized context, we use constrained energy minimization to associate smooth geometry with coarse levels of detail.  ...  R is a restriction operator to go one level coarser. This is where the mesh decimation comes in.  ... 
doi:10.1016/s0925-7721(99)00032-2 fatcat:qemcnonrfjhs3p2bfy27d72d4a

Polygonal Meshing for 3D Stereo Video Sensor Data

Sunbir Gill, Michael Jenkin
2008 2008 Canadian Conference on Computer and Robot Vision  
This complicates the process of constructing polygonal meshes from these point-clouds.  ...  This paper develops an approach to meshing for stereo video surface reconstruction that addresses these issues and, by exploiting the known egomotion of the sensor, obtains surface normal and texture rendering  ...  Acknowledgements The financial support of NSERC, the CBRN Research Technology Initiative (project number CRTI-05-0122) and MDA is gratefully acknowledged.  ... 
doi:10.1109/crv.2008.53 dblp:conf/crv/GillJ08 fatcat:aflrjenvh5cxndoccntv4zxihi

Cost-driven framework for progressive compression of textured meshes

Cédric Portaneri, Pierre Alliez, Michael Hemmer, Lukas Birklein, Elmar Schoemer
2019 Proceedings of the 10th ACM Multimedia Systems Conference on - MMSys '19  
For encoding the inverse mesh decimation steps we further contribute a significant improvement over the state-of-the-art in terms of rate-distortion performance and yields a compression-rate of 22:1, on  ...  The goal of such a progressive mesh compression algorithm is to improve the overall quality of the transmission for the user, by optimizing the rate-distortion trade-off.  ...  ACKNOWLEDGMENTS This work has been funded by Google, within the framework of the Chrome University Research Program.  ... 
doi:10.1145/3304109.3306225 dblp:conf/mmsys/PortaneriAHBS19 fatcat:sd2mbay4ajbf7osexge7n2bk7a

Interactive multi-resolution modeling on arbitrary meshes

Leif Kobbelt, Swen Campagna, Jens Vorsatz, Hans-Peter Seidel
1998 Proceedings of the 25th annual conference on Computer graphics and interactive techniques - SIGGRAPH '98  
Putting mesh hierarchies, local frame coding and multi-level smoothing together allows us to propose a flexible and intuitive paradigm for interactive detail-preserving mesh modification.  ...  the application of incremental mesh decimation.  ...  If the mesh decimation scheme prefers those collapses that improve the global roundness, the resulting meshes tend to have only little variance in the lengths of the edges.  ... 
doi:10.1145/280814.280831 dblp:conf/siggraph/KobbeltCVS98 fatcat:zadxavkr4bdh5ml3ykkb7qww5y

Constrained Fairing for Meshes

Xinguo Liu, Hujun Bao, PhengAnn Heng, TienTsin Wong, Qunsheng Peng
2001 Computer graphics forum (Print)  
In this paper, we present a novel fairing algorithm for the removal of noise from uniform triangular meshes without shrinkage and serious distortion.  ...  Further, we apply this smoothing technique to a multiresolution representation to remove arbitrary levels of detail.  ...  Acknowledgement We appreciate the anonymous reviewers for their valuable comments.  ... 
doi:10.1111/1467-8659.00483 fatcat:5pclueffoncfdorukil34mzofa
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