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Displaying 1-50 out of 70 total
Interactive hair rendering under environment lighting
Found in: ACM Transactions on Graphics (TOG)
By Baining Guo, Kun Zhou, Tengfei Li, Wei Hua, Zhong Ren, Baining Guo, Kun Zhou, Tengfei Li, Wei Hua, Zhong Ren, Baining Guo, Kun Zhou, Tengfei Li, Wei Hua, Zhong Ren, Baining Guo, Kun Zhou, Tengfei Li, Wei Hua, Zhong Ren
Issue Date:July 2010
pp. 1-10
We present an algorithm for interactive hair rendering with both single and multiple scattering effects under complex environment lighting. The outgoing radiance due to single scattering is determined by the integral of the product of the environment light...
Application-Level CPU Consumption Estimation: Towards Performance Isolation of Multi-tenancy Web Applications
Found in: 2012 IEEE 5th International Conference on Cloud Computing (CLOUD)
By Wei Wang,Xiang Huang,Xiulei Qin,Wenbo Zhang,Jun Wei,Hua Zhong
Issue Date:June 2012
pp. 439-446
Performance isolation is a key requirement for application-level multi-tenant sharing hosting environments. It requires knowledge of the resource consumption of the various tenants. It is of great importance not only to be aware of the resource consumption...
Voiceprint-biometric template design and authentication based on cloud computing security
Found in: Cloud and Service Computing, International Conference on
By Hua-Hong Zhu,Qian-Hua He,Hua-Hong Zhu,Hong Tang,Wei-Hua Cao
Issue Date:December 2011
pp. 302-308
To improve the security of voiceprint storage and transmission, we present a novel voiceprint protection approach with homomorphic encryption and authentication scheme for cloud computing environment in this paper. System supports to calculate distortion m...
Migrating Load Testing to the Cloud: A Case Study
Found in: 2013 IEEE 7th International Symposium on Service Oriented System Engineering (SOSE)
By Qiang Gao,Wei Wang,Guoquan Wu,Xuan Li,Jun Wei,Hua Zhong
Issue Date:March 2013
pp. 429-434
Cloud computing has emerged as a new paradigm for the delivery of computing resources. It brings great opportunities to software testing, especially to load testing. In this paper, we focus on migrating conventional load testing tools to the cloud, for whi...
On-line Cache Strategy Reconfiguration for Elastic Caching Platform: A Machine Learning Approach
Found in: Computer Software and Applications Conference, Annual International
By Xiulei Qin,Wenbo Zhang,Wei Wang,Jun Wei,Hua Zhong,Tao Huang
Issue Date:July 2011
pp. 523-534
Cloud computing provide scalability and high availability for web applications using such techniques as distributed caching and clustering. As one database offloading strategy, elastic caching platforms (ECPs) are introduced to speed up the performance or ...
A Statistical Approach for Estimating CPU Consumption in Shared Java Middleware Server
Found in: Computer Software and Applications Conference, Annual International
By Wei Wang,Xiang Huang,Yunkui Song,Wenbo Zhang,Jun Wei,Hua Zhong,Tao Huang
Issue Date:July 2011
pp. 541-546
Middleware sharing is one of the important resource sharing approaches which enables sharing of costs across a large pool of users. However, the shared Java middleware server easily causes interference on performance between concurrent user requests. A key...
A Comparative Evaluation of Cache Strategies for Elastic Caching Platforms
Found in: Quality Software, International Conference on
By Xiulei Qin, Wenbo Zhang, Wei Wang, Jun Wei, Hua Zhong, Tao Huang
Issue Date:July 2011
pp. 166-175
With the rapid development of cloud computing, traditional TP applications are evloving into the Extreme Transaction Processing (XTP) applications which are characterized by exceptionally demanding performance, scalability, availability, security, manageab...
Jiangxi JingDeZhen Manufacturing Chain Reengineering Based Green Concept
Found in: International Conference on Information Management, Innovation Management and Industrial Engineering
By Zhang Yu Hua, Zhang Jian, Zhang Wei Hua
Issue Date:November 2010
pp. 77-79
the establishment of Poyang Lake Ecological Economic Zone is an important measure for national economy sustainable development. Manufacturing chain reengineering (MCR) can transform the traditional manufacturing industry, giving enterprises the ability of ...
Discussion of a Smart House Solution Basing Cloud Computing
Found in: Communications and Intelligence Information Security, International Conference on
By Yu Hua Zhang, Jian Zhang, Wei Hua Zhang
Issue Date:October 2010
pp. 244-247
With the increasing pressure from environmental protection, the concept of green living has gradually been accepted. Smart home can provide high quality of life with the lowest environmental cost in the future. This paper aims to present and discuss a solu...
Nonparametric Background Modeling Using the CONDENSATION Algorithm
Found in: Advanced Video and Signal Based Surveillance, IEEE Conference on
By Xingzhi Luo, Suchendra M. Bhandarkar, Wei Hua, Haisong Gu
Issue Date:November 2006
pp. 3
Background modeling for dynamic scenes is an important problem in the context of real time video surveillance systems. Several nonparametric background models have been proposed to model dynamic scenes and promising results have been reported. However, a c...
Part Based Human Tracking In A Multiple Cues Fusion Framework
Found in: Pattern Recognition, International Conference on
By Qi Zhao, Jinman Kang, Hai Tao, Wei Hua
Issue Date:August 2006
pp. 450-455
This paper presents a real time video surveillance system which is capable of tracking multiple humans simultaneously. To better deal with various challenging issues such as occlusions, sharp motion changes and multi-person confusions, we propose an intell...
Virtual Coordinate Based Co-moving Detection in Wireless Sensor Networks
Found in: 2013 International Conference on Parallel and Distributed Systems (ICPADS)
By Wei-Hua Cheny,Guey-Yun Changy,Jen-Feng Huang
Issue Date:December 2013
pp. 593-598
In mobile wireless sensor networks, it is important to understand the moving pattern of sensor nodes. There are a lot of application that need sensors nearby to co-work, such as data centric applications. Thus, knowing the co-moving nodes will be helpful t...
Analytic Double Product Integrals for All-Frequency Relighting
Found in: IEEE Transactions on Visualization and Computer Graphics
By Rui Wang, Minghao Pan, Weifeng Chen, Zhong Ren, Kun Zhou, Wei Hua, Hujun Bao
Issue Date:July 2013
pp. 1133-1142
This paper presents a new technique for real-time relighting of static scenes with all-frequency shadows from complex lighting and highly specular reflections from spatially varying BRDFs. The key idea is to depict the boundaries of visible regions using p...
Workload-Aware Online Anomaly Detection in Enterprise Applications with Local Outlier Factor
Found in: 2012 IEEE 36th Annual Computer Software and Applications Conference - COMPSAC 2012
By Tao Wang,Wenbo Zhang,Jun Wei,Hua Zhong
Issue Date:July 2012
pp. 25-34
Detecting anomalies are essential for improving the reliability of enterprise applications. Current approaches set thresholds for metrics or model correlations between metrics, and anomalies are detected when the thresholds are violated or the correlations...
A New Distributed CDS Algorithm of Ad Hoc Network Based on Weight
Found in: 2010 International Conference on Intelligent System Design and Engineering Application (ISDEA 2010)
By Dao-Quan Li, Wei-Hua Xue, Huai-Cai Wang, Qi-Guang Cau
Issue Date:October 2010
pp. 90-94
Connected dominating set (CDS) algorithm based on a virtual backbone technology has an important role for wireless ad hoc network, route optimization, energy conservation and allocation of resources. In this paper, on the base of several classic distribute...
A Power-Aware Cloud Architecture with Smart Metering
Found in: Parallel Processing Workshops, International Conference on
By Che-Yuan Tu, Wen-Chieh Kuo, Wei-Hua Teng, Yao-Tsung Wang, Steven Shiau
Issue Date:September 2010
pp. 497-503
With the growing interest of cloud computing and carbon emission reduction, how to build energy efficient cloud architecture becomes a crisis issue for service providers. In this paper, we propose a power-aware cloud architecture based on DRBL (Diskless Re...
Adaptive Correction of Errors from Segmented Digital Ink Texts in Chinese Based on Context
Found in: Information Technology and Computer Science, International Conference on
By Xi-Wen Zhang, Wei-Hua An, Yong-Gang Fu
Issue Date:July 2010
pp. 25-35
Digital ink texts in Chinese can neither be converted into users’ desired layouts nor be recognized until their characters, lines, and paragraphs are correctly extracted. There are many errors in automatically segmented digital ink texts in Chinese because...
Robust Bilayer Segmentation and Motion/Depth Estimation with a Handheld Camera
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Guofeng Zhang, Jiaya Jia, Wei Hua, Hujun Bao
Issue Date:March 2011
pp. 603-617
Extracting high-quality dynamic foreground layers from a video sequence is a challenging problem due to the coupling of color, motion, and occlusion. Many approaches assume that the background scene is static or undergoes the planar perspective transformat...
The Mediation Data Services Application Model Based on Web Resource Ontology
Found in: International Conference on E-Business and E-Government
By Jia-Xian Zhu,Wei-Hua Bai,Ji-Gui Li
Issue Date:May 2010
pp. 1468-1472
The application of Web service technology used in the semantic web, which provides available methods for defining, getting and sharing Web resources. This paper presents to build a mediation data service application model by using the service management ag...
Establishment of School Database Management System Based on VB and MapX: A Case Study of Shandong University of Technology
Found in: Education Technology and Computer Science, International Workshop on
By Kong Wei Hua
Issue Date:March 2010
pp. 797-800
It is important content of daily management work in school to manage building informations and pipeline informations. In order to improve efficiency of management, management information system of Shandong university of technology was Established; graph da...
Ice Thickness Precise Measurement System Based on Computer Vision
Found in: Intelligent Systems, WRI Global Congress on
By Ma Junqiang, Lui Songlin, Guo Jianxing, Wei Hua
Issue Date:May 2009
pp. 545-547
The real-time measurement system is composed of two digital cameras, a computer, a coding scale control board and an illumination lamp-house. Digital cameras are set above the glass window of the wind tunnel and focused to the sensor part. Images of the gr...
Based on Extended T-S Fuzzy Model of Self-Adaptive Disturbed PSO Algorithm
Found in: Information and Computing Science, International Conference on
By Wang Jian-Fang, Li Wei-Hua
Issue Date:May 2009
pp. 150-153
The PSO (Particle Swarm Optimization) algorithm is applied to non-linear process, and is easy to be run into local optimum. The PSO algorithm is improved by T-S(Takagi-Sugeno)fuzzy model, although it solved the non-linear features of PSO algorithm, the PSO...
Validating physical access layer of WiMAX using SystemVerilog
Found in: Quality Electronic Design, International Symposium on
By Albert Chiang, Wei-Hua Han, Bhanu Kapoor
Issue Date:March 2009
pp. 356-359
WiMAX employs Orthogonal Frequency Division Multiple Access (OFDMA) as one of its physical access layer schemes. OFDMA is a derivative of Frequency Division Multiplexing (FDM). In OFDMA, data is first divided up into parallel chunks. The parallel data is t...
Cluster-Based Security for Wireless Sensor Networks
Found in: Communications and Mobile Computing, International Conference on
By Maan Younis Abdullah, Gui Wei Hua
Issue Date:January 2009
pp. 555-559
This paper examine the problem of adding security to cluster based communication protocols for homogeneous wireless sensor networks consisting of sensor nodes with severely limited resources, and propose a security solution where clusters are formed dynami...
Characteristics of Spring Vegetation Variation over Tibetan Plateau and Its Influence on Summer Precipitation of Southwest China
Found in: Education Technology and Training & Geoscience and Remote Sensing
By Wei Hua, Quanliang Chen, Guangzhou Fan, Xiaoran Liu, Yan Zeng, Zhan Li
Issue Date:December 2008
pp. 247-252
On the basis of the monthly precipitation data for the period 1982-2001 collected from 96 observational stations in Southwest China (SWC) and normalized difference vegetation index (GIMMS NDVI), the characteristics of spring vegetation variation over Tibet...
Study on Teleconnection between Winter Convective Activity over Tropical Indian Ocean and Pacific Ocean and Subsequent Summer Precipitation in China Based on Satellite-Derived Data
Found in: Education Technology and Training & Geoscience and Remote Sensing
By Xiaoran Liu, Quanliang Chen, Qian Yang, Bingyan Cheng, Wei Hua
Issue Date:December 2008
pp. 149-154
On the basis of NOAA monthly OLR data and Chinese National Climate Center precipitation data of 160 stations from 1979 to 2007, the spatial and temporal characteristics of winter convection activity over Tropical Indian Ocean and Pacific Ocean (TIOPO) and ...
The Study of Ice Thickness Precise Real-Time Measurement for Airplane Sensor
Found in: MultiMedia and Information Technology, International Conference on
By Lui Song Lin, Guo Jianxing, Ma Junqiang, Wei Hua
Issue Date:December 2008
pp. 618-620
In this paper, a precise computer vision measurement system which is used to measure the thickness and icing speed of airplane external sensor parts in wind tunnel is introduced. The real-time measurement system is composed of two digital cameras, a comput...
Research on Energy Hole Problem for Wireless Sensor Networks Based on Alternation between Dormancy and Work
Found in: Young Computer Scientists, International Conference for
By An-Feng Liu, Xian-You Wu, Wei-Hua Gui
Issue Date:November 2008
pp. 475-480
This paper theoretically proposes a more accurate analytical method for avoiding energy hole in wireless sensor networks with nonuniform node distribution. Based on the typical energy consumption model of wireless sensor networks, we obtain the relationshi...
Mutual-Aid: Diskless Checkpointing Scheme for Tolerating Double Faults
Found in: High Performance Computing and Communications, 10th IEEE International Conference on
By Jane-Ferng Chiu, Wei-Hua Hao
Issue Date:September 2008
pp. 540-547
Tolerating double faults is an important issue for diskless checkpointing due to the size and increase of the executing time. This is why Mutual-Aid checkpointing has become the first scheme to achieve the goal. Mutual-aid checkpointing combines the advant...
Realizing a Multi-media Treadmill Fusion with Multiple Characters and Structured Scenes
Found in: Cyberworlds, International Conference on
By Hu Wei-Hua, Qian Ke-Chong
Issue Date:September 2008
pp. 579-582
Running is a kind of simple and effective exercise, but it's boring for us running in a traditional treadmill for a long time. In this paper, we propose a novel multi-media treadmill platform, which is based on virtual reality technology, sensor technology...
MODIS Image Compression with Optimal Waveband Prediction Tree
Found in: Image and Signal Processing, Congress on
By Wei-hua Ai, Xing-wang Zhou, Yi-ming Guo
Issue Date:May 2008
pp. 754-757
Proposed a practical compression method using optimal waveband prediction tree, integer wavelet and SPIHT algorithm for MODIS multispectral images effectively. First, an optimal waveband prediction tree is designed for de-correlating the spectral redundanc...
Research on System Integrative Evaluation Method Based on Survivability
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Wei-Hua Jiang, Jun Du, Feng Liu
Issue Date:March 2008
pp. 573-577
Survivability is the essential ability of a system to fulfill its mission, in a timely manner, in the presence of attacks, failures, or accidents. Survivability should be considered beyond security for information system, and quantitative analysis can asse...
A Novel Algorithm of Matrix Computation for Knowledge Reductions in Inconsistent Ordered Information Systems
Found in: Fuzzy Systems and Knowledge Discovery, Fourth International Conference on
By Wei-Hua Xu, Wen-Xiu Zhang
Issue Date:August 2007
pp. 91-95
In this article, a new method for knowledge reductions is introduced in inconsistent ordered information systems. The dominance matrix and decision assignment matrix are pro- posed in information systems based on dominance relations. Furthermore, the algor...
Stereoscopic Video Synthesis from a Monocular Video
Found in: IEEE Transactions on Visualization and Computer Graphics
By Guofeng Zhang, Wei Hua, Xueying Qin, Tien-Tsin Wong, Hujun Bao
Issue Date:July 2007
pp. 686-696
<p><b>Abstract</b>—This paper presents an automatic and robust approach to synthesize stereoscopic videos from ordinary monocular videos acquired by commodity video cameras. Instead of recovering the depth map, the proposed method synthes...
Robust Metric Reconstruction from Challenging Video Sequences
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Guofeng Zhang, Xueying Qin, Wei Hua, Tien-Tsin Wong, Pheng-Ann Heng, Hujun Bao
Issue Date:June 2007
pp. 1-8
Although camera self-calibration and metric reconstruction have been extensively studied during the past decades, automatic metric reconstruction from long video sequences with varying focal length is still very challenging. Several critical issues in prac...
Application-Oriented Flow Control for Wireless Sensor Networks
Found in: Networking and Services, International conference on
By Jiong Jin, Wei-Hua Wang, Marimuthu Palaniswami
Issue Date:June 2007
pp. 71
This paper addresses flow control and resource allocation problem for heterogeneous wireless sensor networks which consist of diverse sensor types and applications. The performance of these applications, either elastic data collecting or real-time monitori...
An Approach to Dynamic Model Combination on Solving Decision-Making Problem
Found in: Asia-Pacific Conference on Services Computing. 2006 IEEE
By Chao Wu, Ming Jun Xin, Wei Hua Li
Issue Date:December 2006
pp. 629-634
This paper discusses an approach to distributed parallel model combination for solving complicated decision-making problem. Firstly, we classify those existed models by model logic types, implement a model combination strategy to realize automatic combined...
Systematic Methodology for Designing Reconfigurabl D S Modulator Topologies for Multimode Communication Systems
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Ying Wei, Hua Tang, A. Doboli
Issue Date:March 2006
pp. 86
This paper proposes a methodology for designing reconfigurable continuous-time?S modulator topologies. The methodology is based on the concept of generic topology that expresses all possible signal paths in a reconfigurable topology. Topologies are optimiz...
Generalized NURBS Curves and Surfaces
Found in: Geometric Modeling and Processing
By Qing Wang, Wei Hua, Guiqing Li, Hujun Bao
Issue Date:April 2004
pp. 365
A novel representation, the generalized NURBS(G-NURBS), is proposed for modeling parametric curves and surfaces. G-NURBS provides a unified framework for traditional parametric curve and surface. G-NURBS surface based on arbitrary irregular mesh, can repre...
A New Approach of Point-Based Rendering
Found in: Computer Graphics International Conference
By Qunsheng Peng, Wei Hua, Xuehui Yang.
Issue Date:July 2001
pp. 0275
Abstract: A new approach of point-based rendering is presented for objects with complex shape. By this approach, an object is represented by a set of discrete sample points, each point stands for a sampled surface area whose boundary is assumed to be a cir...
A New Improvement of SPIHT Progressive Image Transmission
Found in: Multimedia Software Engineering, International Symposium on
By Chun-Liang Tung, Tung-Shou Chen, Wei-Hua Andrew Wang, Shiow-Tyng Yeh
Issue Date:December 2003
pp. 180
To generate optimal transmission quality for images, we present a new technique to improve the progressive image transmission (PIT) of SPIHT in this paper. The original approach about the progressive image transmission is that SPIHT regards the bit streams...
An integrated baseball digest system using maximum entropy method
Found in: Proceedings of the tenth ACM international conference on Multimedia (MULTIMEDIA '02)
By Mei Han, Wei Hua, Wei Xu, Yihong Gong
Issue Date:December 2002
pp. 347-350
In this paper, we propose a novel system that is able to automatically detect and classify highlights from baseball game videos in TV broadcast. The digest system gives complete indexes of a baseball game which cover all of the status changes in a game. We...
GPU-based out-of-core many-lights rendering
Found in: ACM Transactions on Graphics (TOG)
By Hujun Bao, Kun Zhou, Wei Hua, Yuchi Huo, Rui Wang, Yazhen Yuan
Issue Date:November 2013
pp. 1-10
In this paper, we present a GPU-based out-of-core rendering approach under the many-lights rendering framework. Many-lights rendering is an efficient and scalable rendering framework for a large number of lights. But when the data sizes of lights and geome...
Interactive hair rendering under environment lighting
Found in: ACM SIGGRAPH 2010 papers (SIGGRAPH '10)
By Baining Guo, Kun Zhou, Tengfei Li, Wei Hua, Zhong Ren
Issue Date:July 2010
pp. 10-18
We present an algorithm for interactive hair rendering with both single and multiple scattering effects under complex environment lighting. The outgoing radiance due to single scattering is determined by the integral of the product of the environment light...
The global occlusion map: a new occlusion culling approach
Found in: Proceedings of the ACM symposium on Virtual reality software and technology (VRST '02)
By A. R. Forrest, Hujun Bao, Qunsheng Peng, Wei Hua
Issue Date:November 2002
pp. 155-162
Occlusion culling is an important technique to speed up the rendering process for walkthroughs in a complex environment. In this paper, we present a new approach for occlusion culling with respect to a view cell. A compact representation, the Global Occlus...
Research of System Adjusted Characteristics and the Grid CPS Control
Found in: Asia-Pacific Power and Energy Engineering Conference
By Ye-fei Sun, Wei-hua Zhang, Wei-hua Chen, Yi Liu
Issue Date:March 2011
pp. 1-4
A Study on the Supply Chain's Service Process Capability Index Based on Service Blueprinting
Found in: International Conference on Information Management, Innovation Management and Industrial Engineering
By Liu Wei-hua, Zhang Wei
Issue Date:December 2009
pp. 568-571
Service process capability index(SPCI) is an evaluating indicator which reflects the stability degree of service quality provided by service companies. Based on researching process capability index of manufactured products, the paper proposed measurement m...
Soft-Sensor Modeling on NOx Emission of Power Station Boilers Based on Least Squares Support Vector Machines
Found in: Intelligent Computation Technology and Automation, International Conference on
By Feng Lei-hua, Gui Wei-hua, Yang Feng
Issue Date:October 2009
pp. 462-466
The online monitoring for NOx emission of coal-fired boilers in power plants is more difficult to achieve. The soft-sensor technology of artificial neural network (ANN) method that was commonly used has not strong generalization ability, but support vector...
Methane Recovery and Energy Generation in Spent Wash Wastewater Treatment
Found in: Environmental Science and Information Application Technology, International Conference on
By Wei-hua Yang, Li Wei, Sheng-nan Zhao, Jiang Dong
Issue Date:July 2009
pp. 304-307
The wastewater from distillation process has high organic content, which has to be treated to bring down the levels of COD and BOD to prescribed standards of environmental authorities. In this study, the organic wastewater from distillery also known as spe...
Application of Communication Optimization Strategy Based on Cascade PLC MODBUS in Fire Water System of Hydropower Station
Found in: Intelligent Computation Technology and Automation, International Conference on
By Feng Lei-hua, Gui Wei-hua, Yang Feng
Issue Date:October 2009
pp. 45-48
As to the bad real-time problem of traditional communication scheme that is one master station and more slave stations’ MODBUS communication in fire water system of hydropower station, in this paper, a connection scheme of a cascade PLC communication was p...
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