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Displaying 1-50 out of 99 total
Design and Analysis of Optimization Methods for Subdivision Surface Fitting
Found in: IEEE Transactions on Visualization and Computer Graphics
By Kin-Shing Cheng, Wenping Wang, Hong Qin, Kwan-Yee Wong, Huaiping Yang, Yang Liu
Issue Date:September 2007
pp. 878-890
We present a complete framework for computing a subdivision surface to approximate unorganized point sample data, which is a separable nonlinear least squares problem. We study the convergence and stability of three geometrically-motivated optimization sch...
 
Fitting Subdivision Surfaces to Unorganized Point Data Using SDM
Found in: Computer Graphics and Applications, Pacific Conference on
By Kin-Shing D. Cheng, Wenping Wang, Hong Qin, Kwan-Yee K. Wong, Huaiping Yang, Yang Liu
Issue Date:October 2004
pp. 16-24
We study the reconstruction of smooth surfaces from point clouds. We use a new squared distance error term in optimization to fit a subdivision surface to a set of unorganized points, which defines a closed target surface of arbitrary topology. The resulti...
 
Guest Editor's Introduction: Special Section on Shape, Solid, and Physical Modeling
Found in: IEEE Transactions on Visualization and Computer Graphics
By Hong Qin
Issue Date:July 2009
pp. 529
No summary available.
 
FEM-Based Dynamic Subdivision Splines
Found in: Computer Graphics and Applications, Pacific Conference on
By Hong Qin
Issue Date:October 2000
pp. 184
Recent years have witnessed dramatic growth in the use of subdivision schemes for graphical modeling and animation, especially for the representation of smooth, oftentimes complex shapes of arbitrary topology. Nevertheless, conventional interactive approac...
 
Unsupervised Co-segmentation of Complex Image Set via Bi-harmonic Distance Governed Multi-level Deformable Graph Clustering
Found in: 2013 IEEE International Symposium on Multimedia (ISM)
By Jizhou Ma,Shuai Li,Aimin Hao,Hong Qin
Issue Date:December 2013
pp. 38-45
Despite the recent success of extensive co-segmentation studies, they still suffer from limitations in accommodating multiple-foreground, large-scale, high-variability image set, as well as their underlying capability for parallel implementation. To improv...
 
Surface Mesh to Volumetric Spline Conversion with Generalized Polycubes
Found in: IEEE Transactions on Visualization and Computer Graphics
By Bo Li, Xin Li, Kexiang Wang, Hong Qin
Issue Date:September 2013
pp. 1539-1551
This paper develops a novel volumetric parameterization and spline construction framework, which is an effective modeling tool for converting surface meshes to volumetric splines. Our new splines are defined upon a novel parametric domain called generalize...
 
Study on Invulnerability of Enterprise Marketing Networks
Found in: 2013 Fifth International Conference on Computational and Information Sciences (ICCIS)
By Xiao-Hong Qin,Wei Ge
Issue Date:June 2013
pp. 355-358
In order to improve the management level of enterprise marketing network, enterprise marketing network is abstracted as complex network based on the complex network theory. The paper has given survivability definition of the enterprise marketing network, a...
 
The Evolution Model of Enterprise Marketing Networks Based on Complex Network Theory
Found in: 2013 Fifth International Conference on Computational and Information Sciences (ICCIS)
By Jing Ma,Xiao-Hong Qin
Issue Date:June 2013
pp. 363-366
Considering enterprise marketing complex network with local and world-wide competition, incomplete information and asymmetric characteristics, enterprise marketing complex network withl the bidirectional fitness evolution model is constructed on the basis ...
 
Admissible Diffusion Wavelets and Their Applications in Space-Frequency Processing
Found in: IEEE Transactions on Visualization and Computer Graphics
By Tingbo Hou, Hong Qin
Issue Date:January 2013
pp. 3-15
As signal processing tools, diffusion wavelets and biorthogonal diffusion wavelets have been propelled by recent research in mathematics. They employ diffusion as a smoothing and scaling process to empower multiscale analysis. However, their applications i...
 
Emerging Infectious Disease: A Computational Multi-agent Model
Found in: 2012 ASE/IEEE International Conference on BioMedical Computing (BioMedCom)
By Hong Qin,Alexander Shapiro,Li Yang
Issue Date:December 2012
pp. 28-33
In today's global society there exists a need to understand and predict the behavior of vector-borne diseases. With globalization, human groups tend to interact with other groups that can have one or multiple types of viruses. Currently, there are many mat...
 
A New Anomaly Detection Algorithm Based on Quantum Mechanics
Found in: 2012 IEEE 12th International Conference on Data Mining (ICDM)
By Hao Huang,Hong Qin,Shinjae Yoo,Dantong Yu
Issue Date:December 2012
pp. 900-905
The primary originality of this paper lies at the fact that we have made the first attempt to apply quantum mechanics theory to anomaly (outlier) detection in high-dimensional datasets for data mining. We propose Fermi Density Descriptor (FDD) which repres...
 
Robust Dense Registration of Partial Nonrigid Shapes
Found in: IEEE Transactions on Visualization and Computer Graphics
By Tingbo Hou, Hong Qin
Issue Date:August 2012
pp. 1268-1280
This paper presents a complete and robust solution for dense registration of partial nonrigid shapes. Its novel contributions are founded upon the newly proposed heat kernel coordinates (HKCs) that can accurately position points on the shape, and the prior...
 
Spherical DCB-Spline Surfaces with Hierarchical and Adaptive Knot Insertion
Found in: IEEE Transactions on Visualization and Computer Graphics
By Juan Cao, Xin Li, Zhonggui Chen, Hong Qin
Issue Date:August 2012
pp. 1290-1303
This paper develops a novel surface fitting scheme for automatically reconstructing a genus-0 object into a continuous parametric spline surface. A key contribution for making such a fitting method both practical and accurate is our spherical generalizatio...
 
Restricted Trivariate Polycube Splines for Volumetric Data Modeling
Found in: IEEE Transactions on Visualization and Computer Graphics
By Kexiang Wang, Xin Li, Bo Li, Huanhuan Xu, Hong Qin
Issue Date:May 2012
pp. 703-716
This paper presents a volumetric modeling framework to construct a novel spline scheme called restricted trivariate polycube splines (RTP-splines). The RTP-spline aims to generalize both trivariate T-splines and tensor-product B-splines; it uses solid poly...
 
A Robust Clustering Algorithm Based on Aggregated Heat Kernel Mapping
Found in: Data Mining, IEEE International Conference on
By Hao Huang,Shinjae Yoo,Hong Qin,Dantong Yu
Issue Date:December 2011
pp. 270-279
Current spectral clustering algorithms suffer from both sensitivity to scaling parameter selection in similarity matrix construction, and data perturbation. This paper aims to improve robustness in clustering algorithms and combat these two limitations bas...
 
Isotropic Mesh Simplification by Evolving the Geodesic Delaunay Triangulation
Found in: International Symposium on Voronoi Diagrams in Science and Engineering
By Shi-Qing Xin, Shuang-Min Chen, Ying He, Guo-Jin Wang, Xianfeng Gu, Hong Qin
Issue Date:June 2011
pp. 39-47
In this paper, we present an intrinsic algorithm for isotropic mesh simplification. Starting with a set of unevenly distributed samples on the surface, our method computes the geodesic Delaunay triangulation with regard to the sample set and iteratively ev...
 
Drawing-Based Procedural Modeling of Chinese Architectures
Found in: IEEE Transactions on Visualization and Computer Graphics
By Fei Hou,Yue Qi,Hong Qin
Issue Date:January 2012
pp. 30-42
This paper presents a novel modeling framework to build 3D models of Chinese architectures from elevation drawing. Our algorithm integrates the capability of automatic drawing recognition with powerful procedural modeling to extract production rules from e...
 
Generalized PolyCube Trivariate Splines
Found in: Shape Modeling and Applications, International Conference on
By Bo Li, Xin Li, Kexiang Wang, Hong Qin
Issue Date:June 2010
pp. 261-265
This paper develops a new trivariate hierarchical spline scheme for volumetric data representation. Unlike conventional spline formulations and techniques, our new framework is built upon a novel parametric domain called Generalized PolyCube (GPC), compris...
 
A Framework of Dual Distribution Channel for Mass Customization
Found in: Intelligent Computation Technology and Automation, International Conference on
By Yan-Hong Qin
Issue Date:May 2010
pp. 100-103
As a new marketing channel, Internet has many advantages. In contrast with the Internet channel, the traditional channel (physical channel) is necessary to exist. By combing the characteristics of mass customization products with advantages of both marketi...
 
Vehicle matching and recognition under large variations of pose and illumination
Found in: Computer Vision and Pattern Recognition Workshop
By Tingbo Hou, Sen Wang, Hong Qin
Issue Date:June 2009
pp. 24-29
Matching vehicles subject to both large pose transformations and extreme illumination variations remains a technically challenging problem in computer vision. In this paper, we develop a new and robust framework toward matching and recognizing vehicles wit...
 
On Mapping Approach of CN to FR in Product Family Improvement
Found in: Measuring Technology and Mechatronics Automation, International Conference on
By Yan-hong Qin, Guang-xing Wei
Issue Date:April 2009
pp. 794-797
Product family improvement is to improve or optimize the existing product family in enterprise. But the key to product family improvement is to comprehend the mapping relationship of customer need (CN) information to function requirement (FR). To solve the...
 
Surface Mapping Using Consistent Pants Decomposition
Found in: IEEE Transactions on Visualization and Computer Graphics
By Xin Li, Xianfeng Gu, Hong Qin
Issue Date:July 2009
pp. 558-571
Surface mapping is fundamental to shape computing and various downstream applications. This paper develops a pants decomposition framework for computing maps between surfaces with arbitrary topologies. The framework first conducts pants decomposition on bo...
 
Geodesic Distance-weighted Shape Vector Image Diffusion
Found in: IEEE Transactions on Visualization and Computer Graphics
By Jing Hua, Zhaoqiang Lai, Ming Dong, Xianfeng Gu, Hong Qin
Issue Date:November 2008
pp. 1643-1650
This paper presents a novel and efficient surface matching and visualization framework through the geodesic distance-weighted shape vector image diffusion. Based on conformal geometry, our approach can uniquely map a 3D surface to a canonical rectangular d...
 
Automatic non-rigid registration of 3D dynamic data for facial expression synthesis and transfer
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Sen Wang, Xianfeng David Gu, Hong Qin
Issue Date:June 2008
pp. 1-8
Automatic non-rigid registration of 3D time-varying data is fundamental in many vision and graphics applications such as facial expression analysis, synthesis, and recognition. Despite many research advances in recent years, it still remains to be technica...
 
Detection of Changes in Transitive Associations by Shortest-path Analysis of Protein Interaction Networks Integrated with Gene Expression Profiles
Found in: BioMedical Engineering and Informatics, International Conference on
By Hong Qin, Li Yang
Issue Date:May 2008
pp. 418-423
Shortest-path (SP) clustering can detect transitive associations in co-expression networks. In this work, we show that it can detect changes of transitive associations caused by perturbations in a protein interaction network (PIN). Specifically, we compare...
 
Globally Optimal Surface Mapping for Surfaces with Arbitrary Topology
Found in: IEEE Transactions on Visualization and Computer Graphics
By Xin Li, Yunfan Bao, Xiaohu Guo, Miao Jin, Xianfeng Gu, Hong Qin
Issue Date:July 2008
pp. 805-819
Computing smooth and optimal one-to-one maps between surfaces of same topology is a fundamental problem in computer graphics and such a method provides us a ubiquitous tool for geometric modeling and data visualization. Its vast variety of applications inc...
 
An Effective Illustrative Visualization Framework Based on Photic Extremum Lines (PELs)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Xuexiang Xie, Ying He, Feng Tian, Hock-Soon Seah, Xianfeng Gu, Hong Qin
Issue Date:November 2007
pp. 1328-1335
Conveying shape using feature lines is an important visualization tool in visual computing. The existing feature lines (e.g., ridges, valleys, silhouettes, suggestive contours, etc.) are solely determined by local geometry properties (e.g., normals and cur...
 
Shape Topics: A Compact Representation and New Algorithms for 3D Partial Shape Retrieval
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Yi Liu, Hongbin Zha, Hong Qin
Issue Date:June 2006
pp. 2025-2032
This paper develops an efficient new method for 3D partial shape retrieval. First, a Monte Carlo sampling strategy is employed to extract local shape signatures from each 3D model. After vector quantization, these features are represented by using a bag-of...
 
The Generalized Shape Distributions for Shape Matching and Analysis
Found in: Shape Modeling and Applications, International Conference on
By Yi Liu, Hongbin Zha, Hong Qin
Issue Date:June 2006
pp. 16
This paper presents a novel 3D shape descriptor
 
Shape and Appearance Repair for Incomplete Point Surfaces
Found in: Computer Vision, IEEE International Conference on
By Seyoun Park, Xiaohu Guo, Hayong Shin, Hong Qin
Issue Date:October 2005
pp. 1260-1267
This paper presents a new surface content completion framework that can restore both shape and appearance from scanned, incomplete point set inputs. First, the geometric holes can be robustly identified from noisy and defective data sets without the need o...
 
Topology-driven Surface Mappings with Robust Feature Alignment
Found in: Visualization Conference, IEEE
By Christopher Carner, Miao Jin, Xianfeng Gu, Hong Qin
Issue Date:October 2005
pp. 69
Topological concepts and techniques have been broadly applied in computer graphics and geometric modeling. However, the homotopy type of a mapping between two surfaces has not been addressed before. In this paper, we present a novel solution to the problem...
 
Rational Spherical Splines for Genus Zero Shape Modeling
Found in: Shape Modeling and Applications, International Conference on
By Ying He, Xianfeng Gu, Hong Qin
Issue Date:June 2005
pp. 82-91
Traditional approaches for modeling a closed manifold surface with either regular tensor-product or triangular splines (defined over an open planar domain) require decomposing the acquired geometric data into a group of charts, mapping each chart to a plan...
 
The analysis of correlation between logistics and GDP
Found in: International Conference on Services Systems and Services Management
By Hongzhi Liu, Hong Qin
Issue Date:June 2005
pp. 435-439 Vol. 1
The successful implementation of logistics development planning requires beforehand quantitative analysis about the correlation between logistics and GDP so that development risk can be prevented. In this paper, a quantitative analysis framework is outline...
 
Design and Manipulation of Polygonal Models in a Haptic, Stereoscopic Virtual Environment
Found in: Shape Modeling and Applications, International Conference on
By Jing Hua, Ye Duan, Hong Qin
Issue Date:June 2005
pp. 146-155
This paper presents a flexible, scalable framework for interactive hands-on shape design in a haptic, stereoscopic virtual environment. The framework is founded upon the concept of PDE-based geometric surface flow. Given an input polygonal mesh, a user can...
 
Touch-Based Haptics for Interactive Editing on Point Set Surfaces
Found in: IEEE Computer Graphics and Applications
By Xiaohu Guo, Jing Hua, Hong Qin
Issue Date:November 2004
pp. 31-39
A modeling paradigm for haptics-based editing on point set surfaces exploits implicit surfaces, physics-based modeling, point-sampled surfaces, and haptic feedback.
 
Surface Reconstruction of Noisy and Defective Data Sets
Found in: Visualization Conference, IEEE
By Hui Xie, Kevin T. McDonnell, Hong Qin
Issue Date:October 2004
pp. 259-266
We present a novel surface reconstruction algorithm that can recover high-quality surfaces from noisy and defective data sets without any normal or orientation information. A set of new techniques are introduced to afford extra noise tolerability, robust o...
 
Haptics-Based Dynamic Implicit Solid Modeling
Found in: IEEE Transactions on Visualization and Computer Graphics
By Jing Hua, Hong Qin
Issue Date:September 2004
pp. 574-586
This paper systematically presents a novel, interactive solid modeling framework, Haptics-based Dynamic Implicit Solid Modeling, which is founded upon volumetric implicit functions and powerful physics-based modeling. In particular, we augment our modeling...
 
Scalar-Function-Driven Editing on Point Set Surfaces
Found in: IEEE Computer Graphics and Applications
By Xiaohu Guo, Jing Hua, Hong Qin
Issue Date:July 2004
pp. 43-52
This article proposes a new modeling paradigm for local and global editing on point set surfaces. The technique unifies the topological advantage of implicitly defined surfaces, the strength of physics-based modeling techniques, and the simplicity of point...
 
A Hybrid Physics-Based Subdivision Technique Using Coupled Dynamic and Subdivision Parameters
Found in: Computer Graphics International Conference
By Sumantro Ray, Hong Qin
Issue Date:June 2004
pp. 44-51
The last few decades have seen enormous progress in both geometric subdivision, and physics-based simulation techniques. Mesh-based dynamic systems often require both subdivision and physical simulation for realistic and accurate results. However, the simu...
 
Point Set Surface Editing Techniques Based on Level-Sets
Found in: Computer Graphics International Conference
By Xiaohu Guo, Jing Hua, Hong Qin
Issue Date:June 2004
pp. 52-59
In this paper we articulate a new modeling paradigm for both local and global editing on complicated point set surfaces of arbitrary topology. In essence, the proposed technique leads to a novel point-set methodology that can unify the topological advantag...
 
Surface Reconstruction with Triangular B-splines
Found in: Geometric Modeling and Processing
By Ying He, Hong Qin
Issue Date:April 2004
pp. 279
This paper presents a novel modeling technique for reconstructing a triangular B-spline surface from a set of scanned 3D points. Unlike existing surface reconstruction methods based on tensor-product B-splines which primarily generate a network of patches ...
 
Piecewise C<sup>1</sup> Continuous Surface Reconstruction of Noisy Point Clouds via Local Implicit Quadric Regression
Found in: Visualization Conference, IEEE
By Hui Xie, Jianning Wang, Jing Hua, Hong Qin, Arie Kaufman
Issue Date:October 2003
pp. 13
This paper addresses the problem of surface reconstruction of highly noisy point clouds. The surfaces to be reconstructed are assumed to be 2-manifolds of piecewise C 1 continuity, with isolated small irregular regions of high curvature, sophisticated loca...
 
Dynamic Sculpting and Deformation of Point Set Surfaces
Found in: Computer Graphics and Applications, Pacific Conference on
By Xiaohu Guo, Hong Qin
Issue Date:October 2003
pp. 123
This paper presents a novel paradigm for point set surface editing, which takes advantages of the potential of implicit surfaces, the strength of physics based modeling techniques, and the simplicity of point sampled surfaces. Our point set surface is eval...
 
Voxels on Fire
Found in: Visualization Conference, IEEE
By Ye Zhao, Xiaoming Wei, Zhe Fan, Arie Kaufman, Hong Qin
Issue Date:October 2003
pp. 36
We introduce a method for the animation of fire propagation and the burning consumption of objects represented as volumetric data sets. Our method uses a volumetric fire propagation model based on an enhanced distance field. It can simulate the spreading o...
 
ElasticPaint: A Particle System for Feature Mapping with Minimum Distortion
Found in: Computer Animation and Social Agents, International Conference on
By Christopher Carner, Hong Qin
Issue Date:May 2003
pp. 60
Mapping of features such as texture and geometric detail is an important tool that enhances realism of surface geometry in graphics and animation. This essentially involves a transformation of 2D coordinates with associated attributes to a target surface i...
 
A Physics-Based Framework for Subdivision Surface Design with Automatic Rules Control
Found in: Computer Graphics and Applications, Pacific Conference on
By Hui Xie, Hong Qin
Issue Date:October 2002
pp. 304
The recent non-uniform subdivision approach extends traditional uniform subdivision schemes with variable rules, offering additional shape parameters (such as knot spacings) for feature control. Despite its flexibility, shape modification based on non-unif...
 
Haptics-Based Volumetric Modeling Using Dynamic Spline-Based Implicit Functions
Found in: Volume Visualization and Graphics, IEEE Symposium on
By Jing Hua, Hong Qin
Issue Date:October 2002
pp. 55-64
This paper systematically presents a novel haptics-based volumetric modeling framework, which is founded upon volumetric implicit functions and powerful physics-based modeling. The volumetric implicit functions incorporate hierarchical B-splines, CSG-based...
 
Dynamic Implicit Solids with Constraints for Haptic Sculpting
Found in: Shape Modeling and Applications, International Conference on
By Jing Hua, Hong Qin
Issue Date:May 2002
pp. 119
In this paper we present a novel, interactive shape modeling technique: Dynamic Implicit Solid Modeling, which unifies volumetric implicit functions and powerful physics-based modeling. Although implicit functions are extremely powerful in graphics, geomet...
 
Dynamic Implicit Solids with Constraints for Haptic Sculpting (figure 10)
Found in: Shape Modeling and Applications, International Conference on
By Jing Hua, Hong Qin
Issue Date:May 2002
pp. 274
No summary available.
   
Integrating Physics-Based Modeling with PDE Solids for Geometric Design
Found in: Computer Graphics and Applications, Pacific Conference on
By Haixia Du, Hong Qin
Issue Date:October 2001
pp. 0198
PDE techniques, which use Partial Differential Equations (PDEs) to model the shapes of various real-world objects, can unify their geometric attributes and functional constraints in geometric computing and graphics. This paper presents a unified dynamic ap...
 
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