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Displaying 1-42 out of 42 total
Virtual Human Animation in Networked Physical Running Fitness System
Found in: International Conference on Artificial Reality and Telexistence
By Xian Chen, Nailiang Zhao, Gaoqi He, Lin Zhang, Zhigeng Pan
Issue Date:December 2006
pp. 47-51
The experience of playing a computer game depends on how well the action can capture players? attention. Sometimes people immerse into the game environment so strongly that they forget their actual physical surroundings. In this paper, we introduce a physi...
 
Scanning 3D Full Human Bodies Using Kinects
Found in: IEEE Transactions on Visualization and Computer Graphics
By Jing Tong, Jin Zhou, Ligang Liu, Zhigeng Pan, Hao Yan
Issue Date:April 2012
pp. 643-650
Depth camera such as Microsoft Kinect, is much cheaper than conventional 3D scanning devices, and thus it can be acquired for everyday users easily. However, the depth data captured by Kinect over a certain distance is of extreme low quality. In this paper...
 
Animations, Games, and Virtual Reality for the Jing-Hang Grand Canal
Found in: IEEE Computer Graphics and Applications
By Wenzhi Chen, Mingmin Zhang, Zhigeng Pan, Gengdai Liu, Huaqing Shen, Shengnan Chen, Yong Liu
Issue Date:May 2010
pp. 84-88
The Jing-Hang Grand Canal is an important part of China's cultural heritage. Through techniques such as image-based animation, 3D modeling, and computer games, viewers can immersively interact with a recreation of the canal.
 
The Procedure Model and Implementation Technology of VE for Science Education
Found in: Digital Game and Intelligent Toy Enhanced Learning, IEEE International Workshop on
By Ruwei Yun, Huimin Shi, Yi Li, Zhigeng Pan
Issue Date:March 2007
pp. 224-226
Experiment is important for science education. Sometime it is hard to do real experiment because of the limitation of time, space and expense etc. Virtual experiment system is a computer-based 3D virtual environment which allows users to explore as in a re...
 
Creative Educational Use of Virtual Reality: Working with Second Life
Found in: IEEE Computer Graphics and Applications
By Mingliang Cao,Yi Li,Zhigeng Pan,Josephine Csete,Shu Sun,Jie Li,Yu Liu
Issue Date:September 2014
pp. 83-87
Hong Kong Polytechnic University educators used the Second Life virtual world to help students learn the relationships between key concepts in designing clothing for functional comfort.
 
Wrist Recognition and the Center of the Palm Estimation Based on Depth Camera
Found in: 2013 International Conference on Virtual Reality and Visualization (ICVRV)
By Zhengwei Yao,Zhigeng Pan,Shuchang Xu
Issue Date:September 2013
pp. 100-105
When the hand and the forearm enter the available depth range of the depth camera, the data of the hand and the forearm will be extracted together. If process these data as a whole, which maybe affect some important algorithms such as the center of the pal...
 
Character Behavior Planning and Visual Simulation in Virtual 3D Space
Found in: IEEE MultiMedia
By Mingliang Xu,Zhigeng Pan,Mingmin Zhang,Pei Lv,Pengyu Zhu,Yangdong Ye,Wei Song
Issue Date:January 2013
pp. 49-59
Using the Learning-from-Demonstrations (LfD) method, a real-time, long-term behavior planning technique generates characters with more humanlike behaviors that also adapt more easily to environmental changes.
 
The Design and Realization of Real-Time Texture Mapping and Collage in Virtual Home Decoration
Found in: 2012 4th International Conference on Digital Home (ICDH)
By Xixi Huang,Mingmin Zhang,Ling Lin,Zhigeng Pan,Rongzhao Li
Issue Date:November 2012
pp. 399-404
This paper presents the texture mapping algorithm for incomplete and irregular regions in virtual scene. For mapping texture to the incomplete region, the whole region is divided into several discrete subsections and the segmentation textures are kept cont...
 
A Cross-Platform for Tunnel Blast Design and Simulation
Found in: International Conference on Virtual Reality and Visualization
By Tingting Zhu,Chao Wang,Mingmin Zhang,Zhigeng Pan
Issue Date:November 2011
pp. 115-122
Digital Mine has become the inevitable development trend of the future mines. Blasting is a essential process during the exploration and development of practical mining engineering. The blasting always plays a direct influence on the efficiency of each fol...
 
Animating and Interacting with Ancient Chinese Painting - Qingming Festival by the Riverside
Found in: International Conference on Culture and Computing
By Zhigeng Pan,Ruiying Jiang,Gengdai Liu,Cailiang Shen
Issue Date:October 2011
pp. 3-6
In this paper, we introduce a novel method to display a famous Chinese ancient painting for the purpose of cultural heritage preservation. In order to animate the painting, some objects are extracted from the repainted painting and redrawn with three dimen...
 
Multi-target Tracking and Segmentation via Discriminative Appearance Model
Found in: 3D Imaging, Modeling, Processing, Visualization and Transmission, International Conference on
By Guangxia Li,Mingmin Zhang,Yang Li,Zhigeng Pan,Wenjie Zhang
Issue Date:May 2011
pp. 93-100
we present a novel discriminative appearance model for monocular multi-target tracking and segmentation in a comparatively crowded scene. Based on the hypothesis that the discriminability among different targets plays an important role in improving the tra...
 
Indoor Daylight Simulation Using Radiosity Method
Found in: Digital Media and Digital Content Management, Workshop on
By Dan Xiao, Gaowa Wuyun, Zhigeng Pan
Issue Date:May 2011
pp. 158-161
This paper presents a method for simulating daylight illuminance of indoor scenes with astronomical calculation and computer graphics rendering. The rendered phenomena look like real sunlight streaming into an interior through an outside window. At first, ...
 
Fast and Simple Super Resolution for Range Data
Found in: Cyberworlds, International Conference on
By Xueqin Xiang, Guangxia Li, Jing Tong, Zhigeng Pan
Issue Date:October 2010
pp. 319-324
Current active 3D range sensors, such as time-of-flight cameras, enable acquiring of range maps at video frame rate. Unfortunately, the resolution of the range maps is quite limited and the captured data are typically contaminated by noise. We therefore pr...
 
Reliability Fusion of Time-of-Flight Depth and Stereo Geometry for High Quality Depth Maps
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Jiejie Zhu, Liang Wang, Ruigang Yang, James E. Davis, Zhigeng Pan
Issue Date:July 2011
pp. 1400-1414
Time-of-flight range sensors have error characteristics, which are complementary to passive stereo. They provide real-time depth estimates in conditions where passive stereo does not work well, such as on white walls. In contrast, these sensors are noisy a...
 
A Contour-Based Semi-fragile Image Watermarking Algorithm in DWT Domain
Found in: Education Technology and Computer Science, International Workshop on
By Daxing Zhang, Zhigeng Pan, Haihua Li
Issue Date:March 2010
pp. 228-231
To authenticate image content tolerant to lossy compression, a semi-fragile image watermarking algorithm based on contour is proposed in this paper. The Y subdivision of original image is subdivided to 4x4 blocks and executed 2-level DWT transform first, t...
 
A real-time multi-cue hand tracking algorithm based on computer vision
Found in: Virtual Reality Conference, IEEE
By Zhigeng Pan, Yang Li, Mingmin Zhang, Chao Sun, Kangde Guo, Xing Tang,Steven Zhiying Zhou
Issue Date:March 2010
pp. 219-222
Although hand tracking algorithm has been widely used in virtual reality and HCI system, it is still a challenging problem in vision-based research area. Due to the robustness and real-time requirements in VR applications, most hand tracking algorithms req...
 
Virtual Reality in the Digital Olympic Museum
Found in: IEEE Computer Graphics and Applications
By Zhigeng Pan, Wenzhi Chen, Mingmin Zhang, Jianfeng Liu, Gangshan Wu
Issue Date:September 2009
pp. 91-95
The Digital Olympic Museum demonstrates the Olympics' history, culture, and highlights in a virtual environment. The authors describe the framework of their prototype, which also features three virtual games. Implementation of such a system validates the f...
 
Joint depth and alpha matte optimization via fusion of stereo and time-of-flight sensor
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Jiejie Zhu, Miao Liao, Ruigang Yang, Zhigeng Pan
Issue Date:June 2009
pp. 453-460
We present a new approach to iteratively estimate both high-quality depth map and alpha matte from a single image or a video sequence. Scene depth, which is invariant to illumination changes, color similarity and motion ambiguity, provides a natural and ro...
 
Robust Moving Objects Detection in Dynamic Scenes Based on Mean Shift
Found in: Cyberworlds, International Conference on
By Jianping Han, Zhigeng Pan
Issue Date:September 2008
pp. 271-275
Fast and reliable detection of moving objects is one of the important requirements for video surveillance systems. Mean shift based non-parametric background modeling supports more sensitive and robust detection in dynamic outdoor scenes. However it is pro...
 
SRP Based Natural Interaction between Real and Virtual Worlds in Augmented Reality
Found in: Cyberworlds, International Conference on
By Chao Sun, Zhigeng Pan, Yang Li
Issue Date:September 2008
pp. 117-124
In current video see-through Augmented Reality system, natural interaction between real and virtual worlds is impossible. We analyze its cause and propose a new mode which is named Mix before Projection to combine real and virtual worlds for AR. Under this...
 
Virtual Presentation and Animation of Qingming Festival by The Riverside
Found in: Digital Media and its Application in Museum & Heritage/Digital Media and its Application in Museum & Heritage, Workshop on
By Zhigeng Pan, Gengdai Liu, Zhi Li
Issue Date:December 2007
pp. 102-105
In this paper, we present a novel method to display a famous ancient Chinese painting for the purpose of cultural heritage preservation. The framework of multi-projector display wall based digital storytelling system is introduced. The aim of this system i...
 
Orienteering Based on System Simulation Technology
Found in: Digital Media and its Application in Museum & Heritage/Digital Media and its Application in Museum & Heritage, Workshop on
By Lin Zhang, Guangcun Li, Zhigeng Pan
Issue Date:December 2007
pp. 454-460
is a multidisciplinary integrated technology. This paper has discussed the conception of the system simulation technology, and analysis using system simulation technology 3D character models to establish system simulation training orienteering. Orienteerin...
 
A Bayes-Based Region-Growing Algorithm for Medical Image Segmentation
Found in: Computing in Science and Engineering
By Zhigeng Pan, Jianfeng Lu
Issue Date:July 2007
pp. 32-38
A new Bayesian-analysis-based region-growing algorithm for medical image segmentation can robustly and effectively segment medical images. Specifically, the approach studies homogeneity criterion parameters in a local neighbor region. Using the multislices...
 
Low Distortion Shell Map Generation
Found in: Virtual Reality Conference, IEEE
By Kai Ye, Kun Zhou, Zhigeng Pan, Yiying Tong, Baining Guo
Issue Date:March 2007
pp. 203-208
A shell map [7] is a bijective mapping between shell space (the space between a base surface and its offset) and texture space. It can be used to generate small-scale features on surfaces using a variety of modeling techniques. In this paper, we present an...
 
Surface Rendering for Parallel Slices of Contours from Medical Imaging
Found in: Computing in Science and Engineering
By Wang Qiang, Zhigeng Pan, Chen Chun, Bu Jianjun
Issue Date:January 2007
pp. 32-37
A radial basis function-based interpolation method can help researchers render the surface of human organs. Moreover, by using data sets that contain parallel slices of contours extracted from medical images, researchers can also efficiently reconstruct an...
 
A New Wildcard Search Method for Digital Dictionary Based on Mobile Platform
Found in: International Conference on Artificial Reality and Telexistence
By Xin Zhou, Yunlong Xu, Gongming Chen, Zhigeng Pan
Issue Date:December 2006
pp. 699-704
This paper implements a digital dictionary system on the mobile platform and proposes a novel algorithm for the wildcard search problem. Our approach, which is based on the advanced trie tree, performs the wildcard search process in a cut-branch operation,...
 
Subdivision Interpolating Polygonization of Implicit Surfaces with Normal Meshes
Found in: International Conference on Artificial Reality and Telexistence
By Mingyong Pang, Zhigeng Pan, Jie Tang, Fuyan Zhang
Issue Date:December 2006
pp. 355-360
Normal mesh is a new fundamental surface descrip-tion, which is multiresolution mesh where each level can be written as a normal offset from a coarser version. In this paper, we present an algorithm to create normal subdivision triangulations approxi-matin...
 
A Simplification to Support Vector Machine for the Second Training
Found in: International Conference on Artificial Reality and Telexistence
By Jinglong Fang, Shuo Chen, Zhigeng Pan, Yigang Wang
Issue Date:December 2006
pp. 73-78
For complicated recognition problem, the number of support vectors is large and recognition speed is low, because some sample were divided into section by error this time. To solve this problem, a method is bought to simplify the support vector machines ba...
 
Circular Arc Path Method: A New 2-D Polygon Blending Algorithm
Found in: International Conference on Artificial Reality and Telexistence
By Baogang Bai, Zhongyue Li, Zhigeng Pan
Issue Date:December 2006
pp. 365-368
2-D shape blending or morphing is the process of continuously transforming one polygon into another, which is widely studied in 2-D character animation, pattern matching, geometric modeling, virtual reality technologies and simulation, etc. ,and has found ...
 
Automatic Identifying Weave Patterns for Double-Layer Weft Woven Fabric
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Haihong Wu, Mingmin Zhang, Zhigeng Pan, Haiming Yin
Issue Date:July 2005
pp. 117-122
Automatic identifying weave pattern is an important research area for computer aided design of textile products. Based on the scanned surface images, we have developed a semi-automatic identification system of weave patterns for double-layer weft woven nec...
 
Watermark Extraction by Magnifying Noise and Applying Global Minimum Decoder
Found in: Image and Graphics, International Conference on
By Zhigeng Pan, Li Li, Mingmin Zhang, David Zhang
Issue Date:December 2004
pp. 349-352
For the classical watermark embedment model I=I + αW, the corresponding watermark detection has its limitation in its need of a fixed parameter for extracting watermarks. If the extraction parameter is too large, we cannot extract the watermark from the im...
 
A GIS-Based Forest Visual Simulation System
Found in: Image and Graphics, International Conference on
By Qizhi Yu, Chongcheng Chen, Zhigeng Pan, Jianwei Li
Issue Date:December 2004
pp. 410-413
This paper reports on a visual simulation system that supports GIS-based realistic modeling and real-time rendering of forest scenes. Geometric models of trees are automatically generated according to inventory database and pre-designed template models. A ...
 
A Public Mesh Watermarking Algorithm Based on Addition Property of Fourier Transform
Found in: Image and Graphics, International Conference on
By Li Li, Zhigeng Pan, David Zhang
Issue Date:December 2004
pp. 324-328
This paper presents a public mesh watermarking algorithm. First, the resultant watermarked image minus the original image is the watermark information. According to the addition property of the Fourier transform, a change of spatial domain will cause a cha...
 
Subdivision Surface Fitting from a Dense Triangle Mesh
Found in: Geometric Modeling and Processing
By Weiyin Ma, Xiaohu Ma, Shiu-Kit Tso, Zhigeng Pan
Issue Date:July 2002
pp. 94
This paper presents a new approach for fitting a subdivision surface from an irregular and dense triangle mesh of arbitrary topological type. All feature edges and feature vertices of the original mesh model are first identified. A topology- and feature-pr...
 
A Two-Stage Framework for 3D FaceReconstruction from RGBD Images
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Kangkan Wang,Xianwang Wang,Zhigeng Pan,Kai Liu
Issue Date:August 2014
pp. 1493-1504
This paper proposes a new approach for 3D face reconstruction with RGBD images from an inexpensive commodity sensor. The challenges we face are: 1) substantial random noise and corruption are present in low-resolution depth maps; and 2) there is high degre...
 
HumMod explorer: a multi-scale time-varying human modeling navigator
Found in: SIGGRAPH Asia 2011 Posters (SA '11)
By David H. Laidlaw, Jeremy Lyle, Jian Chen, Liming Xu, Mingmin Zhang, Robert L. Hester, Yubao Wu, Zhigeng Pan
Issue Date:December 2011
pp. 1-1
HumMod [Hester et al. 2011] models interactions between the cardiovascular, respiratory, renal, neural, endocrine, skeletal muscle, and metabolic physiologies. One of the difficulties which must be overcome with HumMod is the fact that the number of parame...
     
VisBubbles: a workflow-driven framework for scientific data analysis of time-varying biological datasets
Found in: SIGGRAPH Asia 2011 Posters (SA '11)
By Andrew C. Bragdon, Chaoyang Zhang, David H. Laidlaw, Guangxia Li, Hanyu Liu, Jian Chen, Mingmin Zhang, Sharon M. Swartz, Zhigeng Pan
Issue Date:December 2011
pp. 1-1
Our long-term collaborations with bat flight biologists have revealed that several workflow issues continue to be persistent barriers in scientists' data analysis tasks. Only limited attention has been given to user interfaces that bridge programming and v...
     
A real-time database architecture for motion capture data
Found in: Proceedings of the 19th ACM international conference on Multimedia (MM '11)
By Haiyu Song, Jiang Wang, Mingmin Zhang, Pengjie Wang, Rynson W.H Lau, Zhigeng Pan
Issue Date:November 2011
pp. 1337-1340
Due to the popularity of motion capture data in many applications, such as games, movies and virtual environments, huge collections of motion capture data are now available. It is becoming important to store these data in compressed form while being able t...
     
A real-time bimanual 3D interaction method based on bare-hand tracking
Found in: Proceedings of the 19th ACM international conference on Multimedia (MM '11)
By Junhao Shi, Mingmin Zhang, Zhigeng Pan
Issue Date:November 2011
pp. 1073-1076
We present a vision-based gesture interaction technique that is capable of tracking both hands in real-time. By only recovering features calculated from images, large amount of computation for 3D reconstructing and features tracking in 3D voxel grid is avo...
     
A real-time collision detection algorithm for mobile billiards game
Found in: Proceedings of the 2005 ACM SIGCHI International Conference on Advances in computer entertainment technology (ACE '05)
By Bailin Yang, Xi Cheng, Zhigeng Pan
Issue Date:June 2005
pp. 294-297
Collision detection is a key technique in game design. However, some algorithms employed in PC game are not suitable for mobile game because of the low performance and small screen size in mobile devices. Combining with the features of the mobile devices, ...
     
Geometric model reconstruction from streams of DirectX 3D game application
Found in: Proceedings of the 2005 ACM SIGCHI International Conference on Advances in computer entertainment technology (ACE '05)
By Jian Yang, Xiaochao Wei, Zhigeng Pan
Issue Date:June 2005
pp. 242-245
This paper presents a method of intercepting data stream, command stream and rendering states from DirectX 9 graphics pipeline by hooking the low-level graphics library. It also shows that it is useful to reconstruct geometric models or render models with ...
     
A new BSP tree framework incorporating dynamic LoD models
Found in: Proceedings of the ACM symposium on Virtual reality software and technology (VRST '00)
By Chiyi Cheng, Jiaoying Shi, Zhigeng Pan, Zhiliang Tao
Issue Date:October 2000
pp. 134-141
In this paper we present a new BSP (Binary Space Partitioning (BSP) tree. BSP trees are one of the most successful space partitioning techniques, since they allow both object modeling and classification in one single structure. In this paper, we present a ...
     
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