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Matching Hierarchies of Deformable Shapes [chapter]

Nadia Payet, Sinisa Todorovic
2009 Lecture Notes in Computer Science  
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

Chenyang Zhu, Renjiao Yi, Wallace Lira, Ibraheem Alhashim, Kai Xu, Hao Zhang
2017 ACM Transactions on Graphics  
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]

Yuan Tian, Yin Yang, Xiaohu Guo, Balakrishnan Prabhakaran
2015 Pacific Conference on Computer Graphics and Applications  
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

Yuan Tian, Yin Yang, Xiaohu Guo, Balakrishnan Prabhakaran
2015 Computational Visual Media  
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

M. Turner, J. Austin, N. M. Allinson, P. Thompson
1993 Procedings of the British Machine Vision Conference 1993  
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

Jan Bender, Daniel Weber, Raphael Diziol
2013 Computers & graphics  
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

Jonathan Starck, Adrian Hilton
2008 Computer Vision and Image Understanding  
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

S.J. Dickinson, D. Metaxas, A. Pentland
1997 IEEE Transactions on Pattern Analysis and Machine Intelligence  
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]

Ronghan Chen, Yang Cong, Jiahua Dong
2021 arXiv   pre-print
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

Jonas Spillmann, Markus Becker, Matthias Teschner
2007 Journal of Visual Communication and Image Representation  
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

Daniel Sharvit, Jacky Chan, Hüseyin Tek, Benjamin B. Kimia
1998 Journal of Visual Communication and Image Representation  
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

Long Zhu, Yuanhao Chen, Xingyao Ye, Alan Yuille
2008 2008 IEEE Conference on Computer Vision and Pattern Recognition  
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]

Mario Botsch, Mark Pauly, Markus Gross, Leif Kobbelt
2006 Symposium on geometry processing : [proceedings]. Symposium on Geometry Processing  
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

Yunlu Chen, Basura Fernando, Hakan Bilen, Thomas Mensink, Efstratios Gavves
2021 International Conference on Machine Learning  
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

Makoto Ohta, Yoshihiro Kanamori, Tomoyuki Nishita
2009 Computer Animation and Virtual Worlds  
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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