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Matching Hierarchies of Deformable Shapes
[chapter]
2009
Lecture Notes in Computer Science
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PAMI 99] So that the matches maximally cover the two shapes What are shape parts? ...
-Curvature -Region of support • Part = shape segment between 2 consecutive Prior Work -Shape representation • Arc trees [Günther et al. ...
doi:10.1007/978-3-642-02124-4_1
fatcat:tehapk7mwzdj5h6n3uof6lpwsq
Deformation-driven shape correspondence via shape recognition
2017
ACM Transactions on Graphics
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classification and partial matching, and supports shape synthesis and interpolation with significant variations in topology and geometry. ...
The code effectively captures hierarchical structures of man-made 3D objects of varying structural complexities despite being fixed-dimensional: an associated decoder maps a code back to a full hierarchy ...
Searching for best matching hierarchy. ...
doi:10.1145/3072959.3073613
fatcat:tcqdfyiap5gq5nqpynureo6eye
Adaptive Hierarchical Shape Matching
[article]
2015
Pacific Conference on Computer Graphics and Applications
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In this paper, we present an adaptive hierarchical method allowing users to interact with geometrically complex 3D deformable objects based on an extended shape matching approach. ...
As demonstrated in our experimental results, the proposed method provides an efficient yet stable deformable simulation of complex models in real-time. ...
Adaptive Shape Matching using Cluster Hierarchy In shape matching, each particle of the cluster is associated with a mass, an initial position, a current position as well as a goal position denoted with ...
doi:10.2312/pg.20151278
dblp:conf/pg/0002YGP15
fatcat:vro4jzoocfenffhfgotg6x2j44
Stable haptic interaction based on adaptive hierarchical shape matching
2015
Computational Visual Media
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The first is how to obtain a rapid deformation propagation when a large number of shape matching clusters exist. ...
In this paper, we present a framework allowing users to interact with geometrically complex 3D deformable objects using (multiple) haptic devices based on an extended shape matching approach. ...
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. ...
doi:10.1007/s41095-015-0023-3
fatcat:lwvgtri7jba7bhrlk6ug5mw7p4
Matching an Elastic Model of Chromosomal Shape to Features on a Self-Organising Map
1993
Procedings of the British Machine Vision Conference 1993
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We describe a technique for matching a single, learned elastic model of the shape of normal chromosomes to chromosomal images. ...
After matching, frame parameters provide a compact, multi-scale description of important shape information. ...
Initial results do suggest that the model can capture shape variability and deform to match isolated images of normal and damaged chromosomes. ...
doi:10.5244/c.7.50
dblp:conf/bmvc/TurnerAAT93
fatcat:n6c6vxcrejfr3bi7oknc4mbvry
Fast and stable cloth simulation based on multi-resolution shape matching
2013
Computers & graphics
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To preserve the fine wrinkles of the cloth on coarse levels of the hierarchy we present a modified version of the original shape matching method. ...
We present an efficient and unconditionally stable method which allows the deformation of very complex stiff cloth models in real-time. ...
This kind of methods perform shape matching for overlapping regions to allow large deformations where the stiffness of the model depends on the size of the regions. ...
doi:10.1016/j.cag.2013.08.003
fatcat:u2zjyelt5veejesm7krpb7kwkm
Model-based human shape reconstruction from multiple views
2008
Computer Vision and Image Understanding
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A novel mesh parameterisation is presented that allows propagation of deformation in the model hierarchy and regularisation of surface deformation to preserve vertex parameterisation and animation structure ...
Results demonstrate realistic modelling of real people with accurate shape and appearance while preserving model structure for use in animation. ...
A novel mesh parameterisation technique is introduced in Section 3.2 to enable propagation of shape deformation between levels in this mesh hierarchy. ...
doi:10.1016/j.cviu.2007.10.001
fatcat:fqugvlvplzfblph6dmoto5qeya
The role of model-based segmentation in the recovery of volumetric parts from range data
1997
IEEE Transactions on Pattern Analysis and Machine Intelligence
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We present a method for segmenting and estimating the shape of 3D objects from range data. The technique uses model views, or aspects, to constrain the fitting of deformable models to range data. ...
Knowledge of a part's coarse shape, its orientation, as well as the mapping between the faces in its aspect and the surfaces on the part provides strong constraints on the fitting of a deformable model ...
The authors would also like to thank Gene Amdur at the University of Toronto for his support and assistance in the implementation of this work. ...
doi:10.1109/34.584104
fatcat:pkcpnfjzxzdmvbegupdexv6gt4
Unsupervised Dense Deformation Embedding Network for Template-Free Shape Correspondence
[article]
2021
arXiv
pre-print
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and effciency of the deformation. ...
Moreover, they fail to capture local geometric details of original shape via global feature embedding. ...
matching, by predicting the lo- cal transformation T = {(R i , t i )} K i=1 of the deformation graph G. ...
arXiv:2108.11609v1
fatcat:bx3tq3pvyzb3vh5o6uq2oyr32q
Efficient updates of bounding sphere hierarchies for geometrically deformable models
2007
Journal of Visual Communication and Image Representation
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We show that information of the geometric deformation model can be used to significantly accelerate the hierarchy update. ...
We present a new approach for efficient collision handling of meshless objects undergoing geometric deformation. The presented technique is based on bounding sphere hierarchies. ...
This registration process is called shape matching and represents the geometric deformation (see Fig. 2 ). ...
doi:10.1016/j.jvcir.2007.01.001
fatcat:4fjmpx722fexrhpl2kxxcwsj5e
Symmetry-Based Indexing of Image Databases
1998
Journal of Visual Communication and Image Representation
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In addition, a natural organization of groups of symmetry into a hierarchy leads to a graph-based representation of relational structure of components of shape that allows for deformations by changing ...
The use of shape as a cue for indexing into pictorial databases has been traditionally based on global invariant statistics and deformable templates, on the one hand, and local edge correlation on the ...
of groups of symmetry into graphs and continuous variables representing deformation and similarity deformations as attributes of graphs, (iv) matching of two intrinsic shock graph via a multistage graph ...
doi:10.1006/jvci.1998.0396
fatcat:cyralpxiwvdyxg7natjgij4vwa
Structure-perceptron learning of a hierarchical log-linear model
2008
2008 IEEE Conference on Computer Vision and Pattern Recognition
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In this paper, we address the problems of deformable object matching (alignment) and segmentation with cluttered background. ...
This method was applied to the tasks of deformable object localization, segmentation, matching (alignment), and parsing. ...
Background
Deformable Shape Matching There has been a range of attempts to model deformable objects in order to detect, align, register, and recognize them. Coughlan et al. ...
doi:10.1109/cvpr.2008.4587344
dblp:conf/cvpr/ZhuCYY08
fatcat:rg7zeeqmpbgszphttqwmqytd64
PriMo: Coupled Prisms for Intuitive Surface Modeling
[article]
2006
Symposium on geometry processing : [proceedings]. Symposium on Geometry Processing
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For the underlying geometric optimization we employ both local and global shape matching techniques. ...
The rigidity of the prisms prevents degenerations even under extreme deformations, making the method numerically stable. ...
The Dinosaur and Head models (Figure 7) are courtesy of Cyberware, the Dragon model (Figure 8 ) is from the Stanford scanning repository. ...
doi:10.2312/sgp/sgp06/011-020
fatcat:74corycp4vg7joozd3cfqq7zyy
Neural Feature Matching in Implicit 3D Representations
2021
International Conference on Machine Learning
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Furthermore, the structured representation space of implicit functions enables to apply feature matching for shape deformation, with the benefits to handle topology and semantics inconsistency, such as ...
Conditioning on low-dimensional latent codes generalises a single implicit function to learn shared representation space for a variety of shapes, with the advantage of smooth interpolation. ...
We show the inherent hierarchy emerges in a simple latent-coded implicit function. Learning-based shape deformation. Deformation between shapes with varying topology is a challenging problem. ...
dblp:conf/icml/ChenFBMG21
fatcat:hgzqex7xljgdzpc2oszysf2r3m
Deformation and fracturing using adaptive shape matching with stiffness adjustment
2009
Computer Animation and Virtual Worlds
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During the simulation, the deformed shape of the object and the condition of fracturing are used to determine the appropriate detail level in the hierarchy of the lattices. ...
Our method allows numerically stable computation based on so-called shape matching. ...
Point-based Deformation Through Shape Matching Here we explain the fundamental algorithm of shape matching proposed by Müller et al. [2] . ...
doi:10.1002/cav.318
fatcat:emgbdky2xjgzhbfqcbs27gsedi
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