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Displaying 1-50 out of 65 total
Designing a New Mutual Authentication Scheme Based on Nonce and Smart Cards
Found in: Parallel and Distributed Processing with Applications, International Symposium on
By Hui-Feng Huang, Su-E Liu, Hui-Fang Chen
Issue Date:September 2010
pp. 570-573
To the best of our knowledge, all most previously proposed schemes based on smart cards which have the tamper resistance assumption for the smart card. However, many researches have shown that the secrets stored in a smart card can be breaches by analyzing...
 
Research on the Diameter and Average Diameter of Undirected Double-loop Networks
Found in: Grid and Cloud Computing, International Conference on
By Bian Qiong-Fang, Hang Ting-ting, Liu Hui, Fang Mu-yun
Issue Date:November 2010
pp. 461-466
As the diameter of an undirected double-loop network represents its maximum transmission delay of information, the average diameter of an undirected double-loop network represents its average transmission delay of information. However, up to now the diamet...
 
Joint Noise Level Estimation from Personal Photo Collections
Found in: 2013 IEEE International Conference on Computer Vision (ICCV)
By Yichang Shih,Vivek Kwatra,Troy Chinen,Hui Fang,Sergey Ioffe
Issue Date:December 2013
pp. 2896-2903
Personal photo albums are heavily biased towards faces of people, but most state-of-the-art algorithms for image denoising and noise estimation do not exploit facial information. We propose a novel technique for jointly estimating noise levels of all face ...
 
Application data prefetching on the IBM Blue Gene/Q supercomputer
Found in: 2012 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
By I-Hsin Chung,Changhoan Kim,Hui-Fang Wen,Guojing Cong
Issue Date:November 2012
pp. 1-8
Memory access latency is often a crucial performance limitation for high performance computing. Prefetching is one of the strategies used by system designers to bridge the processor-memory gap. This paper describes a new innovative list prefetching feature...
 
Toward real-time modeling of human heart ventricles at cellular resolution: Simulation of drug-induced arrhythmias
Found in: 2012 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
By Arthur A. Mirin,David F. Richards,James N. Glosli,Erik W. Draeger,Bor Chan,Jean-luc Fattebert,William D. Krauss,Tomas Oppelstrup,John Jeremy Rice,John A. Gunnels,Viatcheslav Gurev,Changhoan Kim,John Magerlein,Matthias Reumann,Hui-Fang Wen
Issue Date:November 2012
pp. 1-11
We have developed a highly efficient and scalable cardiac electrophysiology simulation capability that supports groundbreaking resolution and detail to elucidate the mechanisms of sudden cardiac death from arrhythmia. We can simulate thousands of heartbeat...
 
A Generalized Stereotypical Trust Model
Found in: 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
By Hui Fang,Jie Zhang,Murat Sensoy,Nadia Magnenat Thalmann
Issue Date:June 2012
pp. 698-705
Stereotypical trust modeling can be adopted by a buyer to effectively evaluate trustworthiness of a seller who has little or no past experience in e-marketplaces. The buyer forms trust stereotypes based on her past experience with other sellers. However, w...
 
Detecting Imprudence of 'Reliable' Sellers in Online Auction Sites
Found in: 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
By Xin Liu,Anwitaman Datta,Hui Fang,Jie Zhang
Issue Date:June 2012
pp. 246-253
Reputation systems deployed in popular online auction sites simply aggregate feedback about a seller's past transactions. By studying a real auction site dataset, we infer that a non-negligible fraction of unsatisfactory transactions involve sellers with h...
 
Automatic Scanning by Scanning Electron Microscopy: The First Step towards Automation of Forensic Diatom Test
Found in: Biomedical Engineering and Biotechnology, International Conference on
By Jinfeng Wen,Sunlin Hu,Chao Liu,Weilie Dai,Songcai Wang,Hui Fang Su,Jian Zhao
Issue Date:May 2012
pp. 754-757
The diatom test is considered as the most reliable scientific method in solving the drowning cases. However, the detection and identification of diatoms have to be accomplished manually with the techniques of nowadays, which makes this test a time consumin...
 
A Reputation Mechanism for Virtual Reality - Five-Sense Oriented Feedback Provision and Subjectivity Alignment
Found in: IEEE TrustCom/IEEE ICESS/FCST, International Joint Conference of
By Hui Fang,Jie Zhang,Murat Sensoy,Nadia Magnenat Thalmann
Issue Date:November 2011
pp. 312-319
In this paper, we propose a reputation mechanism for virtual marketplaces. The proposed approach is based on five-sense oriented feedback provision with the support of existing virtual reality technologies. We have conducted user studies to analyse users' ...
 
IntRank: Interaction Ranking-Based Trustworthy Friend Recommendation
Found in: IEEE TrustCom/IEEE ICESS/FCST, International Joint Conference of
By Lizi Zhang,Hui Fang,Wee Keong Ng,Jie Zhang
Issue Date:November 2011
pp. 266-273
Social networks are fundamental to virtual communities (e.g., forums, blogs) and virtual communities benefit from well-established social networks. As making friends with other members is a common way to establish social relationships and people need to de...
 
A corner stitching compliant B
Found in: Computer-Aided Design, International Conference on
By Hui-Fang Tsao,Pang-Yen Chou,Shih-Lun Huang,Yao-Wen Chang,Mark Po-Hung Lin,Duan-Ping Chen,Dick Liu
Issue Date:November 2011
pp. 507-511
Modern circuit placement, especially analog placement, often needs to consider various constraints, such as symmetry, proximity, preplaced, variant, fixed-boundary, minimum separation, boundary, and fixed-outline constraints, for better electrical effects ...
 
A Systematic Approach toward Automated Performance Analysis and Tuning
Found in: IEEE Transactions on Parallel and Distributed Systems
By Guojing Cong,I-Hsin Chung,Hui-Fang Wen,David Klepacki,Hiroki Murata,Yasushi Negishi,Takao Moriyama
Issue Date:March 2012
pp. 426-435
High productivity is critical in harnessing the power of high-performance computing systems to solve science and engineering problems. It is a challenge to bridge the gap between the hardware complexity and the software limitations. Despite significant pro...
 
An Empirical Analysis of the Impact of Online Reviews on Product Sales in the Chinese Context
Found in: Advanced Information Networking and Applications, International Conference on
By Hui Fang, Qinghua Zhu, Jie Zhang
Issue Date:March 2011
pp. 183-190
Online reviews, as one kind of new marketing methods, are becoming increasingly important in influencing preferences and decision-making of consumers. In view of this, this paper conducts an empirical study on Dangdang Books, constructs a research framewor...
 
Images Compression Using Dual Tree Complex Wavelet Transform
Found in: Information Science and Management Engineering, International Conference of
By Li Hui Fang, Miao Guo Feng, Xu Hou Jie
Issue Date:August 2010
pp. 559-562
In this paper, a new image compression algrithm that is based on DT-CWT and SPIHT is presented. Approximate shift invariance, good directional selectivity, computational efficiency properties of DT-CWT make it a good candidate for image compression. A modi...
 
Discriminant Feature Manifold for Facial Aging Estimation
Found in: Pattern Recognition, International Conference on
By Hui Fang, Phil Grant, Min Chen
Issue Date:August 2010
pp. 593-596
Computerised facial aging estimation, which has the potential for many applications in human-computer interactions, has been investigated by many computer vision researchers in recent years. In this paper, a feature-based discriminant subspace is proposed ...
 
An empirical study of the technology spillovers of the service industry's FDI on China's service industry
Found in: International Conference on Services Systems and Services Management
By Hui Fang, Jianping Li, Beibei Zhang
Issue Date:June 2009
pp. 353-357
This article uses the data from the FDI in China's service industry to analyze the service industry using the foreign direct investment's technology spillover effect on China's service industry. The results show that the development of FDI in China's servi...
 
An Implementation of Time and Frequency Synchronization for Carrier Interferometry of OFDM in an Underwater Acoustic Channel
Found in: Circuits, Communications and Systems, Pacific-Asia Conference on
By Hui Fang,Xiaoyi Hu,Ru Xu
Issue Date:May 2009
pp. 23-26
Considering the features of Underwater Acoustic channel and the sensitivity versus synchronization for CI/OFDM system, A time and frequency synchronization method based on Constant Amplitude Zero Auto-Correlation(CAZAC) sequence is presented. The time offs...
 
Application level I/O caching on Blue Gene/P systems
Found in: Parallel and Distributed Processing Symposium, International
By Seetharami Seelam,I-Hsin Chung,John Bauer,Hao Yu,Hui-Fang Wen
Issue Date:May 2009
pp. 1-8
In this paper, we present an application level aggressive I/O caching and prefetching system to hide I/O access latency experienced by out-of-core applications. Without the application level prefetching and caching capability, users of I/O intensive applic...
 
Determination of Total Amino Acids in Oilseed Rape Leaves Using Near Infrared Spectroscopy and Chemometrics
Found in: Computer Science and Information Engineering, World Congress on
By Fei Liu, Fan Zhang, Hui Fang, Weijun Zhou, Yong He
Issue Date:April 2009
pp. 10-13
Near infrared spectroscopy combined with chemometrics was investigated to determine the total amino acids (TAA) in oilseed rape leaves. The samples in calibration, validation and prediction set were 80, 40 and 30, respectively. Different spectral preproces...
 
Detection of Protein Content of Oilseed Rape Leaves Using Visible/Near-Infrared Spectroscopy and Multivariate Calibrations
Found in: International Conference on Natural Computation
By Fei Liu, Hui Fang, Yong He, Fan Zhang, Zonglai Jin, Weijun Zhou
Issue Date:October 2008
pp. 160-164
Visible and near-infrared (Vis/NIR) spectroscopy was investigated for fast and non-destructive determination of protein content in rapeseed leaves treated with herbicide of Pyribambenz-propyl (PP). 64 samples were used in the calibration set, whereas 32 sa...
 
Workload Performance Characterization of DARPA HPCS Benchmarks
Found in: High Performance Computing and Communications, 10th IEEE International Conference on
By Seetharami Seelam, I-Hsin Chung, Guojing Cong, Hui-Fang Wen, David Klepacki
Issue Date:September 2008
pp. 342-351
It is critical to understand the workload characteristics and resource usage patterns of available applications to guide the design and development ofhardware and software stacks of the future machines. In this paper, we analyze the workload performance ch...
 
Energy-Based Control for a Class of Under-Actuated Mechanical Systems
Found in: Image and Signal Processing, Congress on
By Yunyun Dong, Zhonghua Wang, Zhiquan Feng, Dongxue Wang, Hui Fang
Issue Date:May 2008
pp. 139-143
In this paper we discuss an energy-based control method for a class of under-actuated mechanical systems. The control law is proposed and the convergence analysis is carried out based on Lyapunov stability theory. The conditions on the parameters in the co...
 
Early experiences in application level I/O tracing on blue gene systems
Found in: Parallel and Distributed Processing Symposium, International
By Seetharami Seelam, I-Hsin Chung, Ding-Yong Hong, Hui-Fang Wen, Hao Yu
Issue Date:April 2008
pp. 1-8
On todays massively parallel processing (MPP) supercomputers, it is increasingly important to understand I/O performance of an application both to guide scalable application development and to tune its performance. These two critical steps are often enable...
 
A framework for automated performance bottleneck detection
Found in: Parallel and Distributed Processing Symposium, International
By I-Hsin Chung, Guojing Cong, David Klepacki, Simone Sbaraglia, Seetharami Seelam, Hui-Fang Wen
Issue Date:April 2008
pp. 1-7
In this paper, we present the architecture design and implementation of a framework for automated performance bottleneck detection. The framework analyzes the time-spent distribution in the application and discovers the performance bottlenecks by using giv...
 
RotoTexture: Automated Tools for Texturing Raw Video
Found in: IEEE Transactions on Visualization and Computer Graphics
By Hui Fang, John C. Hart
Issue Date:November 2006
pp. 1580-1589
<p><b>Abstract</b>—We propose a video editing system that allows a user to apply a time-coherent texture to a surface depicted in the raw video from a single uncalibrated camera, including the surface texture mapping of a texture image an...
 
MPI Performance Analysis Tools on Blue Gene/L
Found in: SC Conference
By I-Hsin Chung, Robert E. Walkup, Hui-Fang Wen, Hao Yu
Issue Date:November 2006
pp. 16
Applications on today's massively parallel supercomputers are often guided with performance analysis tools toward scalable performance on thousands of processors. However, conventional tools for parallel performance analysis have serious problems due to th...
 
A study of MPI performance analysis tools on Blue Gene/L
Found in: Parallel and Distributed Processing Symposium, International
By I-Hsin Chung,R.E. Walkup, Hui-Fang Wen, Hao Yu
Issue Date:April 2006
pp. 442
Applications on today's massively parallel supercomputers rely on performance analysis tools to guide them toward scalable performance on thousands of processors. However, conventional tools for parallel performance analysis have serious problems due to th...
 
A Hybrid Scheme for Temporal Video Segmentation
Found in: Electronic Design, Test and Applications, IEEE International Workshop on
By Hui Fang, P. Norhashimah, Jianmin Jiang, Yong Yin
Issue Date:January 2006
pp. 35-40
Video temporal segmentation is normally the first and important step for content-based video applications. Although existing research on shot cut detection is active and extensive, it still remains a challenge to achieve accurate detection of all types of ...
 
Using the ACM Technique to Refine Protein Spots in 2DGE Images
Found in: Advanced Information Networking and Applications, International Conference on
By Jeanne Chen, Tung-Shou Chen, Tzu-Hsin Tsai, Hui-Fang Tsai, Mingli Hsieh, Shih-Shan Tang
Issue Date:March 2005
pp. 289-292
For a biologist, accurate protein information on 2DGE images is very important for making decisive diagnostics. The proposed scheme in this paper is to combine a local threshold technique with the ACM technique to enhance detections for protein spots. Firs...
 
Video Extraction in Compressed Domain
Found in: Advanced Video and Signal Based Surveillance, IEEE Conference on
By Puteri Norhashimah, Hui Fang, Jianmin Jiang
Issue Date:July 2003
pp. 321
In this paper, we propose a video extraction algorithm directly in compressed domain for low cost and fast content access to those compressed video data via MPEGs. Extensive experiments show that such extracted images and videos not only maintain well-pres...
 
Latency Profiles: Performance Monitoring for Wide Area Applications
Found in: Internet Applications, IEEE Workshop on
By Louiqa Raschid, Hui-Fang Wen, Avigdor Gal, Vladimir Zadorozhny
Issue Date:June 2003
pp. 74
Recent technological advances have enabled the deployment of wide area applications against Internet accessible sources. A performance challenge to applications in such a setting is the unpredictable end-to-end latency of accessing these sources. We use pa...
 
Randomly Accessible Procedural Animation of Physically Approximate Turbulent Motion
Found in: Computer Animation
By Hui Fang, John C. Hart
Issue Date:June 2002
pp. 43
Complex virtual environments can be simulated with physical or procedural motion. Physical motion is more realistic, but requires the integration of an ordinary differential equation from an initial state. Procedural motion has the advantage of being rando...
 
State decoupling in estimation theory
Found in: Acoustics, Speech, and Signal Processing, IEEE International Conference on
By Pan-Tai Liu, Hui Fang, Fu Li, Heng Xiao
Issue Date:May 1995
pp. 2024-2027
When a system is unobservable, the error covariance associated with a Kalman filter will be nearly singular. As a consequence, an optimum estimation does not exist. In this paper, we show that this system can be transformed into a nonlinear system with a l...
 
Visualizing Natural Image Statistics
Found in: IEEE Transactions on Visualization and Computer Graphics
By Hui Fang,G. K-L Tam,R. Borgo,A. J. Aubrey,P. W. Grant,P. L. Rosin,C. Wallraven,D. Cunningham,D. Marshall, Min Chen
Issue Date:July 2013
pp. 1228-1241
Natural image statistics is an important area of research in cognitive sciences and computer vision. Visualization of statistical results can help identify clusters and anomalies as well as analyze deviation, distribution, and correlation. Furthermore, the...
 
Study on the Joint Receiver Used in MIMO System
Found in: Computer Science and Electronics Engineering, International Conference on
By Haiyang Fu,Hui Fang,Shike Cao,Min Lu
Issue Date:March 2012
pp. 453-456
As multi-antenna being used in MIMO system to transmit signals with the same carrier frequency, one physical channel in MIMO will contain multi-virtual independent Rayleigh fading channels (VIRFC), among which very small relative time delay is existed, so ...
 
Subspace Clustering for Microarray Data Analysis: Multiple Criteria and Significance Assessment
Found in: Computational Systems Bioinformatics Conference, International IEEE Computer Society
By Hui Fang, Chengxiang Zhai, Lei Liu, Jiong Yang
Issue Date:August 2004
pp. 582-583
No summary available.
   
Leveraging related entities for knowledge base acceleration
Found in: Proceedings of the 4th international workshop on Web-scale knowledge representation retrieval and reasoning (Web-KR '13)
By Hui Fang, Xitong Liu
Issue Date:November 2013
pp. 1-4
Knowledge bases such as Wikipedia have been shown to be effective to improve the performance in many information tasks. Clearly, the effectiveness is based upon the quality of these knowledge bases. A high-quality knowledge base should have up-to-date comp...
     
Axiomatic Analysis and Optimization of Information Retrieval Models
Found in: Proceedings of the 2013 Conference on the Theory of Information Retrieval (ICTIR '13)
By ChengXiang Zhai, Hui Fang
Issue Date:September 2013
pp. 3-3
The accuracy of a search engine is mostly determined by the optimality of the retrieval model used in the search engine. Develoing optimal retrieval models has always been a very important fundamental research problem in information retrieval because an im...
     
Tie Breaker: A Novel Way of Combining Retrieval Signals
Found in: Proceedings of the 2013 Conference on the Theory of Information Retrieval (ICTIR '13)
By Hao Wu, Hui Fang
Issue Date:September 2013
pp. 72-75
Empirical studies of information retrieval suggest that the effectiveness of a retrieval function is closely related to how it combines multiple retrieval signals including term frequency, inverse document frequency and document length. Although it is rela...
     
Opinion-based User Profile Modeling for Contextual Suggestions
Found in: Proceedings of the 2013 Conference on the Theory of Information Retrieval (ICTIR '13)
By Hui Fang, Peilin Yang
Issue Date:September 2013
pp. 80-83
The problem of contextual suggestion is defined as finding suggested places for a user based on the temporal and geographical context of the user as well as the user's preferences on example places. Existing studies models user preferences based on the des...
     
A Diagnostic Study of Search Result Diversification Methods
Found in: Proceedings of the 2013 Conference on the Theory of Information Retrieval (ICTIR '13)
By Hui Fang, Wei Zheng
Issue Date:September 2013
pp. 76-79
Search result diversification aims to maximize the coverage of different pieces of relevant information in the search results. Many diversification methods have been proposed and studied. However, the advantage and disadvantage of each method still remain ...
     
An incremental approach to efficient pseudo-relevance feedback
Found in: Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval (SIGIR '13)
By Hao Wu, Hui Fang
Issue Date:July 2013
pp. 553-562
Pseudo-relevance feedback is an important strategy to improve search accuracy. It is often implemented as a two-round retrieval process: the first round is to retrieve an initial set of documents relevant to an original query, and the second round is to re...
     
Coupling-aware length-ratio-matching routing for capacitor arrays in analog integrated circuits
Found in: Proceedings of the 50th Annual Design Automation Conference (DAC '13)
By Hui-Fang Tsao, Hung-Chih Ou
Issue Date:May 2013
pp. 1-6
Capacitance-ratio mismatch in a switched-capacitor circuit could significantly degrade circuit performance. In the nanometer era, the parasitic effects and lengths of interconnects both have significant impacts on the capacitance ratio. This paper presents...
     
Entity centric query expansion for enterprise search
Found in: Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12)
By Fei Chen, Hui Fang, Min Wang, Xitong Liu
Issue Date:October 2012
pp. 1955-1959
Enterprise search is important, and the search quality has a direct impact on the productivity of an enterprise. Many information needs of enterprise search center around entities. Intuitively, information related to the entities mentioned in the query, su...
     
Exploiting concept hierarchy for result diversification
Found in: Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12)
By Conglei Yao, Hui Fang, Wei Zheng
Issue Date:October 2012
pp. 1844-1848
The goal of result diversification is to maximize the coverage of query subtopics while minimizing the redundancy in the search results. Intuitively, it is more desirable for a diversification system to cover independent subtopics since it would retrieve s...
     
A static analysis tool using a three-step approach for data races in HPC programs
Found in: Proceedings of the 2012 Workshop on Parallel and Distributed Systems: Testing, Analysis, and Debugging (PADTAD 2012)
By Guojing Cong, Hiroki Murata, Hui-Fang Wen, I-Hsin Chung, Yasushi Negishi
Issue Date:July 2012
pp. 11-17
Multicore processors are becoming dominant in the high performance computing (HPC) area, so multithread programming with OpenMP is becoming a key to good performance on such processors, though debugging problems remain. In particular, it is difficult to de...
     
Search result diversification for enterprise data
Found in: Proceedings of the 20th ACM international conference on Information and knowledge management (CIKM '11)
By Conglei Yao, Hui Fang, Min Wang, Wei Zheng
Issue Date:October 2011
pp. 1901-1904
Search result diversification aims to return a list of diversified relevant documents in order to satisfy different user information needs. Most of the efforts focused on Web Search, and few studies have considered another important search domain, i.e., en...
     
Finding relevant information of certain types from enterprise data
Found in: Proceedings of the 20th ACM international conference on Information and knowledge management (CIKM '11)
By Cong-Lei Yao, Hui Fang, Min Wang, Xitong Liu
Issue Date:October 2011
pp. 47-56
Search over enterprise data is essential to every aspect of an enterprise because it helps users fulfill their information needs. Similar to Web search, most queries in enterprise search are keyword queries. However, enterprise search is a unique research ...
     
An exploration of pattern-based subtopic modeling for search result diversification
Found in: Proceeding of the 11th annual international ACM/IEEE joint conference on Digital libraries (JCDL '11)
By Hong Cheng, Hui Fang, Wei Zheng, Xuanhui Wang
Issue Date:June 2011
pp. 387-388
Traditional information retrieval models do not necessarily provide users with optimal search experience because the top ranked documents may contain the same piece of relevant information, i.e., the same subtopic of a query. The goal of search result dive...
     
Diagnostic Evaluation of Information Retrieval Models
Found in: ACM Transactions on Information Systems (TOIS)
By Chengxiang Zhai, Hui Fang, Tao Tao
Issue Date:April 2011
pp. 1-42
Developing effective retrieval models is a long-standing central challenge in information retrieval research. In order to develop more effective models, it is necessary to understand the deficiencies of the current retrieval models and the relative strengt...
     
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