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Displaying 1-33 out of 33 total
An Approach of Personalized 3D Scene Customization Based on Multimedia Resources
Found in: Multimedia and Signal Processing, International Conference on
By Chengwei Yang, Chengle Yang, Shijun Liu, Xiangxu Meng, Rui Wang
Issue Date:May 2011
pp. 131-135
The Digital Museum involves several of multimedia resource, which has a number of data types and the amount capacity of the data. In the Digital Museum, the resource types include the traditional resources, such as text, data, graphics, audio, video, 3D mo...
LSWAP: A Large Scale Workflow Applications Platform for Cloud Environment
Found in: ChinaGrid, Annual Conference
By Chengwei Yang,Shijun Liu,Lei Wu,Xiangxu Meng
Issue Date:August 2011
pp. 155-162
In manufacturing, there are many kinds of manufacturing resources, which belong to various enterprises. They are geographically distributed, morphology diversity and autonomy, which make the resource sharing and management are very complicated. In order to...
Design of a Walkthrough System for Virtual Museum Based on Voronoi Diagram
Found in: International Symposium on Voronoi Diagrams in Science and Engineering
By Lu Wang, Chenglei Yang, Meng Qi, Rui Wang, Xiangxu Meng, Xiaoting Wang
Issue Date:July 2006
pp. 258-263
This paper describes an integrated solution of designing a walkthrough system for virtual museum supporting multi-user's communion and learning based on Voronoi diagram. Here, 2D polygon and its Voronoi Diagram are the basis of museum?s cooperative design,...
Animation of the Biological Pollutants Propagation on Large-Scale Water Surface
Found in: 2013 International Conference on Virtual Reality and Visualization (ICVRV)
By Guijuan Zhang,Dianjie Lu,Dengming Zhu,Hong Liu,Xiangxu Meng
Issue Date:September 2013
pp. 233-236
We present a method to animate the propagation of biological pollutants (e.g., algae, water hyacinth etc.) on large-scale water surface. In this paper, we focus on the clusters and large patches of aquatic plants rather than each single aquatic plant. The ...
The Polar Parallel Coordinates Method for Time-Series Data Visualization
Found in: 2012 Fourth International Conference on Computational and Information Sciences (ICCIS)
By Shenghui Cheng,Zhifang Jiang,Qian Qi,Shuo Li,Xiangxu Meng
Issue Date:August 2012
pp. 179-182
Parallel coordinates is a very important visualization method, but the dimensions it can express are limited by the length or width of the screen. In this paper, we present the polar parallel coordinates method. First, we define the polar parallel coordina...
SIMD Friendly Ray Tracing on GPU
Found in: Computer-Aided Design and Computer Graphics, International Conference on
By Peng Zhou,Xiangxu Meng
Issue Date:September 2011
pp. 87-92
In this paper, we present a novel BVH tracing method on GPU, which can achieve better SIMD utilization than traditional method. In the traditional way, thread usually sticks to a ray until the closest hit is found. When the threads of the same warp follow ...
Fast Point Based Global Illumination
Found in: Computer-Aided Design and Computer Graphics, International Conference on
By Beibei Wang,Xiangxu Meng,Yanning Xu,Xijun Song
Issue Date:September 2011
pp. 93-98
Point based rendering can simulate global illumination phenomenon fast and is widely used in movie production. This paper proposes a faster point based global illumination algorithm compared with the standard one. During our algorithm, the shading points g...
A Dependency-Aware Hierarchical Service Model for SaaS and Cloud Services
Found in: Services Computing, IEEE International Conference on
By Rui Wang,Yong Zhang,Shijun Liu,Lei Wu,Xiangxu Meng
Issue Date:July 2011
pp. 480-487
Service-Oriented Computing is known as a new computing paradigm that utilizes existing services as fundamental elements for developing distributed applications based on the so-called
Progressive Point-Based Global Illumination
Found in: Digital Media and Digital Content Management, Workshop on
By Beibei Wang, Yanning Xu, Xiangxu Meng
Issue Date:May 2011
pp. 181-184
This paper proposes a progressive point-based global illumination algorithm to render complex scenes with limited time and memory. Our algorithm includes multi passes. The first pass is ray tracing, and the next passes are point cloud generating and point-...
SAH Based KD Tree Construction on Hybrid Architecture
Found in: Digital Media and Digital Content Management, Workshop on
By Peng Zhou, Xiangxu Meng
Issue Date:May 2011
pp. 185-189
KD tree is one of the most widely used acceleration structure for ray tracing. High quality KD tree has the ability to avoid many unnecessary ray traversal and ray-triangle intersection calculations. The best method to construct a high quality KD tree is b...
LBVS: A Load Balancing Strategy for Virtual Storage
Found in: Service Sciences, International Conference on
By Hao Liu, Shijun Liu, Xiangxu Meng, Chengwei Yang, Yong Zhang
Issue Date:May 2010
pp. 257-262
Cloud Storage is an important part of Cloud Computing, and it provides a way to achieve large scale storage architecture. And virtual storage is a strategy for Cloud Storage. A load balancing virtual storage strategy (LBVS) is proposed in this paper. The c...
GridSaaS: A Grid-Enabled and SOA-Based SaaS Application Platform
Found in: Services Computing, IEEE International Conference on
By Yong Zhang, Shijun Liu, Xiangxu Meng
Issue Date:September 2009
pp. 521-523
This paper introduces a grid-enabled and SOA-based SaaS application platform, which is named GridSaaS. The major contributions of the GridSaaS platform are: (1) construction of a value-added supply chain of SaaS applications; (2) adoption of grid technolog...
An Optimization Control Algorithm of Traffic Signals for Urban Arterials
Found in: Computer-Aided Software Engineering, International Workshop on
By Lilin Zang, Lei Jia, Xiangxu Meng
Issue Date:July 2009
pp. 338-341
An optimization model to the application of signal coordination for traffic arterials based on multi-group partition is proposed. The approach divides a large signalized arterial into subgroups with three to five signals in each subgroup according to actua...
A Web-Based Problem Solving Environment for Weave Pattern Design
Found in: Interoperability for Enterprise Software and Applications China, International Conference on
By Peng Gao, Shijun Liu, Yong Zhang, Xiangxu Meng
Issue Date:April 2009
pp. 157-162
A web-based problem solving environment for weave pattern design is proposed in this paper. The contribution of this PSE platform is on providing a SaaS-type application model, and SaaS-type application integration in PSE. Besides, the PSE presents designe...
Digital media service oriented digital museum Grid
Found in: International Conference on Computer Supported Cooperative Work in Design
By Rui Wang, Xiangxu Meng, Shijun Liu, Hai Guo, Chenglei Yang
Issue Date:April 2009
pp. 325-330
In this paper we design and implement a digital media service oriented digital museum platform based on Grid. We construct the whole system based on the Open Grid Service Architecture (OGSA), which supports flexibly constructing and deploying various digit...
An Area Traffic Control Algorithm Based on Multi-group Partition
Found in: Information Science and Engieering, International Symposium on
By Lilin Zang, Xiangxu Meng
Issue Date:December 2008
pp. 228-231
This paper presents an optimization model to the application of signal coordination for urban network based on multi-group partition. The proposed algorithm divides a large signalized network into several subgroups with three or more intersections accordin...
A Method Combined on Multi-level Factors for Fingerprint Image Quality Estimation
Found in: Fuzzy Systems and Knowledge Discovery, Fourth International Conference on
By Xiaosi Zhan, Xiangxu Meng, Yilong Yin, Gongping Yang
Issue Date:October 2008
pp. 31-36
It is important for improving the performance of automatic fingerprint identification system to estimate the fingerprint image quality accurately and quickly. Fingerprint image can be expressed very well in the frequency field. After selecting the gray var...
A BP Neural Network Prediction Model of the Urban Air Quality Based on Rough Set
Found in: International Conference on Natural Computation
By Zhifang Jiang, Xiangxu Meng, Chenglei Yang, Guansong Li
Issue Date:October 2008
pp. 362-370
The paper gives a BP neural network (BPNN) prediction model of the ambient air quality based on rough set theory. We make first the reduction of monitoring data of the pollution sources using the theory of rough set, extract the tidy rules. Then the topolo...
Automatically Approximating 3D Points with Co-Axisal Objects
Found in: Computational Science and its Applications, International Conference
By Russell Tempero, Sergey Bereg, Xiangxu Meng, Changhe Tu, Chenglei Yang, Binhai Zhu
Issue Date:July 2008
pp. 373-381
In this paper, we investigate the problem of approximating a set S of 3D points with co-axisal objects typically from CAD/CAM (namely, cylindrical segments, cones and conical frustums). The objective is to minimize the sume of volumes of these objects (as ...
Silhouette Smoothing for Real-Time Rendering of Mesh Surfaces
Found in: IEEE Transactions on Visualization and Computer Graphics
By Lu Wang, Changhe Tu, Wenping Wang, Xiangxu Meng, Bin Chan, Dongming Yan
Issue Date:May 2008
pp. 640-652
Coarse piecewise linear approximation of surfaces causes undesirable polygonal appearance of silhouettes. We present an efficient method for smoothing the silhouettes of coarse triangle meshes using efficient 3D curve reconstruction and simple local re-mes...
Service-oriented encapsulation of manufacturing resources
Found in: Services Computing, IEEE International Conference on
By Lei Wu, Xiangxu Meng, Shijun Liu
Issue Date:July 2007
pp. 727-728
The paper presents an extensible resource encapsulation framework to encapsulate manufacturing resources into services following Web Service Resource Framework (WSRF) specification, which can make them offer their services and functionality in a standard w...
Research on the Grid/Web-Service-Based Visualization Model and Its Application
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Chunmei Duan, Xiangxu Meng
Issue Date:December 2006
pp. 507-511
The combined exploration of grid technology and science of data visualization is a new paradigm in cross-domain science research. GVis presented in the paper is a distributed and collaborative web-service-based visualization environment that we developed t...
A Novel Approach for Role Hierarchies in Flexible RBAC Workflow
Found in: Enterprise Distributed Object Computing Conference, IEEE International
By Yuqing Sun, Xiangxu Meng, Fang Yin
Issue Date:October 2006
pp. 488-491
Security and flexibility are two important issues in workflow management systems. The RBAC flexible workflow model is proposed recently which captures above needs, however there exist an open issue of its role hierarchies. With the numbers of users and rol...
Data Management System in Manufacturing Grid
Found in: Services Computing, IEEE International Conference on
By Ruyue Ma, Xiangxu Meng, Shijun Liu
Issue Date:September 2006
pp. 335-340
Data management plays an important role in the fields of grid system. In conventional fields of software applications, like e-business applications, the single logical view of various types of distributed data resource and fine-grained access control are t...
New Intersection Algorithm of Convex Polygons Based on Voronoi Diagrams
Found in: International Symposium on Voronoi Diagrams in Science and Engineering
By Chenglei Yang, Pu Shi, Wei Zao, Lu Wang, Xiangxu Meng, Jiaye Wang
Issue Date:July 2006
pp. 224-231
A new fast and easy to implement tracing algorithm is presented for querying the intersection points of two convex polygons. We trace two edges to find the intersection points always along the boundaries of the union and intersection of P and Q respectivel...
The Design and Application of Agent on Pattern Cooperative Design Environment
Found in: Database and Expert Systems Applications, International Workshop on
By Chenglei Yang, Xiangxu Meng, Bin Gong, Changhe Tu, Zhenyu Teng
Issue Date:September 2000
pp. 753
Pattern design and print play an important role in the industry of printing and dyeing of chinaware, carpets etc. With the development of science and technology and the intensification of competition between corporations, it is necessary for corporations t...
Air pollution data visualization based on the shape of a tree
Found in: Proceedings of the 6th International Symposium on Visual Information Communication and Interaction (VINCI '13)
By Shenghui Cheng, Xiangxu Meng, Xiaoting Bi, Zhifang Jiang
Issue Date:August 2013
pp. 115-116
Nowadays, environment pollution is one of the most serious problems facing mankind, and more and more people are concerned about it. To solve it, we should get to know it first. In this paper, we present the method of tree-shaped multivariate visualization...
A method of hierarchical time-series data visualization
Found in: Proceedings of the 6th International Symposium on Visual Information Communication and Interaction (VINCI '13)
By Ning Li, Xiangxu Meng, Zhifang Jiang, Zixiang Liu
Issue Date:August 2013
pp. 113-114
In this paper, we propose a new method of visualizing hierarchy and time-series data. We use the node-linked technology to show hierarchy structures, rectangles from the left to right to represent the time-series data and a pie chart to represent statistic...
Discontinuity-aware video object cutout
Found in: ACM Transactions on Graphics (TOG)
By Fan Zhong, Qunsheng Peng, Xiangxu Meng, Xueying Qin
Issue Date:November 2012
pp. 1-10
Existing video object cutout systems can only deal with limited cases. They usually require detailed user interactions to segment real-life videos, which often suffer from both inseparable statistics (similar appearance between foreground and background) a...
The shape coordinates system in visualization space
Found in: Proceedings of the 5th International Symposium on Visual Information Communication and Interaction (VINCI '12)
By Ruobo Xin, Shenghui Cheng, Xiangxu Meng, Zhifang Jiang
Issue Date:September 2012
pp. 18-21
A concept of shape coordinates system for visualization of data set is proposed in this paper. First, the visualization data set, visualization graphics, visualization process and visualization space are defined. Then, the definition, mapping, operation, t...
Intention oriented itinerary recommendation by bridging physical trajectories and online social networks
Found in: Proceedings of the ACM SIGKDD International Workshop on Urban Computing (UrbComp '12)
By Xiangxu Meng, Xiaodong Wang, Xinye Lin
Issue Date:August 2012
pp. 71-78
Compared with traditional itinerary planning, intention oriented itinerary recommendation can provide more flexible activity planning without the user pre-determined destinations and is specially helpful for those strangers in unfamiliar environment. Rank ...
The research of the regional pollutant concentration visualization based on the particles
Found in: Proceedings of the 3rd International Symposium on Visual Information Communication (VINCI '10)
By Miaomiao Li, Shenfang Li, Xiangxu Meng, Yan Huang, Zhifang Jiang
Issue Date:September 2010
pp. 1-5
In this paper, through the analysis of regional air pollutant concentration data in spatial area, using particle system to model and render the air pollutant concentration in the region at different height levels. We establish the corresponding relationshi...
Anisotropic resizing of model with geometric textures
Found in: 2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling (SPM '09)
By Lin Chen, Xiangxu Meng
Issue Date:October 2009
pp. 289-294
Model resizing is a useful technique for model reuse. Introduced by Kraevoy et al., non-homogeneous model resizing is able to preserve important geometric features during anisotropic scaling. However, many practical objects contain various geometric textur...