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Displaying 1-50 out of 58 total
Enhanced Kepler Framework for Self-Archiving
Found in: Parallel Processing Workshops, International Conference on
By Xiaoming Liu, Kurt Maly, Mohammad Zubair
Issue Date:August 2002
pp. 455
In this paper, we introduce the Enhanced Kepler Framework, an evolution of the original Kepler framework that implements an OAI-PMH-compliant data provider for the individual. The enhanced Kepler framework is influenced by Fasttrack, a peer-to-peer network...
 
Syntactic and Semantic Role Labeling for Chinese FrameNet Based on Cascaded Conditional Random Fields
Found in: Fuzzy Systems and Knowledge Discovery, Fourth International Conference on
By Hao Xiaoyan, Chang Xiaoming, Liu Kaiying
Issue Date:August 2009
pp. 437-440
The Chinese FrameNet Project is creating a lexical resource for Chinese, based on the principles of Frame Semantics and supported by corpus evidence. Due to the fact that syntactic and semantic role labeling (SSRL) is very necessary for deep natural langua...
 
Online Modeling and Tracking of Pose-Varying Faces in Video
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu, Tsuhan Chen
Issue Date:June 2005
pp. 1189
No summary available.
   
Video-Based Face Recognition Using Adaptive Hidden Markov Models
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu, Tsuhan Chen
Issue Date:June 2003
pp. 340
While traditional face recognition is typically based on still images, face recognition from video sequences has become popular recently. In this paper, we propose to use adaptive Hidden Markov Models (HMM) to perform video-based face recognition. During t...
 
Research on Topic Relevancy of Sentences Based on HowNet Semantic Computation
Found in: Hybrid Intelligent Systems, International Conference on
By Jinzhong Xu, Jie Liu, Xiaoming Liu
Issue Date:August 2009
pp. 195-198
In Automatic Question Answering System, topic identification is usually based on relevancy computation of sentences. This paper introduces an approach to compute topic relevancy. Using the semantic computation in HowNet, the relevancy of sentences can be c...
 
A Semi-Supervised Relief Based Feature Extraction Algorithm
Found in: Future Generation Communication and Networking Symposia, International Conference on
By Xiaoming Liu, Jinshan Tang, Jun Liu, Zhilin Feng
Issue Date:December 2008
pp. 3-6
Local Feature Extraction (LFE) algorithm is an effective feature extraction method developed in recent years. One of the shortcomings of the current LFE algorithm is that it can only process labeled data, and does not work well when the amount of the label...
 
Prioritizing Default Rules Embedded in Description Logic Knowledge Base
Found in: Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing, ACIS International Conference on
By Shaohua Liu, Junsheng Yu, Yinglong Ma, Xu Zhang, Xiaoming Liu, Hansheng Su
Issue Date:August 2008
pp. 416-421
Description logic based semantic query needs complete information from sources of knowledge where available information is often incomplete. To solve such incomplete reasoning problem, this paper embedded default logic into the description logic knowledge ...
 
Tight Upper Bounds for Cell Loss Probabilities in ATM Multiplexers and Required Bandwidth Estimation
Found in: Computer Communications and Networks, International Conference on
By Xiaoming Liu, Danny H. K. Tsang, Liming Liu, Brahim Bensaou
Issue Date:September 1997
pp. 228
Estimating the cell loss probability in an ATM multiplexer is a key issue in network management and traffic control such as call admission control and bandwidth allocation. In this paper, we derive a new approximation to estimate the total and individual c...
 
Research on Dynamic Migration Mechanism of Out-of-step Oscillation Center Based on Wide Area Measurement
Found in: 2013 Third International Conference on Intelligent System Design and Engineering Applications (ISDEA)
By Yang Xiaoming,Liu Dichen
Issue Date:January 2013
pp. 1167-1170
For the sake of the existing traditional out-of-step detection criterions' defects caused by the lack of oscillation central location and direction of migration which cannot characterize the dynamic process of the oscillation center, on the basis of the wi...
 
Group context learning for event recognition
Found in: Applications of Computer Vision, IEEE Workshop on
By Yimeng Zhang,Weina Ge,Ming-Ching Chang, Xiaoming Liu
Issue Date:January 2012
pp. 249-255
We address the problem of group-level event recognition from videos. The events of interest are defined based on the motion and interaction of members in a group over time. Example events include group formation, dispersion, following, chasing, flanking, a...
 
Image congealing via efficient feature selection
Found in: Applications of Computer Vision, IEEE Workshop on
By Ya Xue,Xiaoming Liu
Issue Date:January 2012
pp. 185-192
Congealing for an image ensemble is a joint alignment process to rectify images in the spatial domain such that the aligned images are as similar to each other as possible. Fruitful congealing algorithms were applied to various object classes and medical a...
 
SLPA: Uncovering Overlapping Communities in Social Networks via a Speaker-Listener Interaction Dynamic Process
Found in: Data Mining Workshops, International Conference on
By Jierui Xie,Boleslaw K. Szymanski,Xiaoming Liu
Issue Date:December 2011
pp. 344-349
Overlap is one of the characteristics of social networks, in which a person may belong to more than one social group. For this reason, discovering overlapping structures is necessary for realistic social analysis. In this paper, we present a novel, general...
 
Domain-Specific Ontology Construction from Hierarchy Web Documents
Found in: Semantics, Knowledge and Grid, International Conference on
By Xiaoming Liu,Jinzhong Xu,Fangfang Li
Issue Date:October 2011
pp. 160-163
Ontology, the base of Semantic Web, plays a vital role in knowledge representation and knowledge reasoning. There are many tools providing management interfaces to create, query and edit knowledge of ontology. However, most of them are still arduous time-c...
 
Ship Trajectory Online Prediction Based on BP Neural Network Algorithm
Found in: Information Technology, Computer Engineering and Management Sciences, International Conference of
By Tingting Xu,Xiaoming Liu,Xin Yang
Issue Date:September 2011
pp. 103-106
In view of most ship trajectory prediction methods based on dynamic or kinematics theory need set up ship motion model which is hard to define due to the real water condition, a new method based on Back Propagation (BP) neural network is proposed in this p...
 
Research of Ship Grounding Prediction Based on Fuzzy Theory
Found in: Information Technology, Computer Engineering and Management Sciences, International Conference of
By Xin Yang,Xiaoming Liu,Tingting Xu
Issue Date:September 2011
pp. 91-94
In view of the inefficiency of ship grounding alert, a novel approach for ship grounding prediction was described in this paper, in which the vector data of the hazardous zones was extracted from ENC(electronic navigational charts) database, an geometry mo...
 
Vector-Based Low-Delay Forwarding Protocol for Underwater Wireless Sensor Networks
Found in: Multimedia Information Networking and Security, International Conference on
By Chang Su, Xiaoming Liu, Fengju Shang
Issue Date:November 2010
pp. 178-181
underwater wireless sensor networks are new arising research hotspot. The paper first analyses the related vector-based forwarding protocols for underwater wireless sensor networks, and puts forward a novel data forwarding strategy for the candidate nodes,...
 
A Case Study of Software Security Test Based on Defects Threat Tree Modeling
Found in: Multimedia Information Networking and Security, International Conference on
By Song Huang, ZhanWei Hui, Liang Wang, XiaoMing Liu
Issue Date:November 2010
pp. 362-365
Due to the increasing complexity of software applications, traditional function security testing ways, which only test and validate software security mechanisms, are becoming ineffective to detect latent software security defects (SSD). However, the most o...
 
Study on Arc Chaos for SF6 Circuit Breaker Based on Coupled Physical Field Simulation
Found in: Chaos-Fractals Theories and Applications, International Workshop on
By Ying Han, Xiaoming Liu, Xue Leng, Yundong Cao, Yuejun An, Cao Song
Issue Date:October 2010
pp. 284-287
Based on the N-S and Maxwell equation, a mathematical model describing the arc behavior in SF6 circuit breaker (CB) has been deduced. The effect of Lorentz force, turbulent and physical parameters on the characteristic of arc plasma was considered in the m...
 
C4ISR Capability Analysis Based on Service-Oriented Architecture
Found in: Service-Oriented System Engineering, IEEE International Workshop on
By Ying Zhang, Zhixue Wang, Xiaoming Liu, Li Chen
Issue Date:June 2010
pp. 179-180
The rapid growth of complexity accompanied with the continually changing requirements of C4ISR system makes it challenging to make C4ISR capability analysis by traditional design principles. Service-oriented architecture (SOA) offers a flexible approach to...
 
Phase Field Based Texture Image Segmentation Using Shape Prior Technology
Found in: Computational Intelligence and Design, International Symposium on
By Zhilin Feng, Shuwang Du, Yanming Ye, Xiaoming Liu, Wuheng Zuo
Issue Date:December 2009
pp. 475-478
The correct segmentation of textural pattern into different meaningful regions is one of the most important problems in automatic texture image recognition. In this paper, we presented a variational integration of shape prior statistics into a phase-field ...
 
An Adaptive Synchronization of a Chaotic System with Unknown Parameters
Found in: Artificial Intelligence and Computational Intelligence, International Conference on
By Xiaoming Liu, Zhicai Xiao, Wang Dong, Junwei Lei
Issue Date:November 2009
pp. 309-313
The sign of unknown input coefficients is assumed to be known in most papers about the input uncertainties. In this paper, a Nussbaum gain method is adopted to cope with the situation that both the sign and the value of input are unknown. And the unknown p...
 
Dynamic Alliance Research of Supply Chain Node Enterprise Based on E-Business
Found in: Intelligent Computation Technology and Automation, International Conference on
By Jia LiWe, Shi xiaoming, Liu Fuxing
Issue Date:October 2009
pp. 924-926
With the globalization of economy and the rapid development of information technology, consumer’s demand is gradually personalizing and diversifying. This article is an analysis to the function and structure of the supply chain enterprise and the influence...
 
Two Stage Semantic Relation Extraction
Found in: Hybrid Intelligent Systems, International Conference on
By Jibin Fu, Xiaozhong Fan, Jintao Mao, Xiaoming Liu
Issue Date:August 2009
pp. 327-331
Ontology is applied to a real-world web intelligent question answering system in PC troubleshooting domain as an improvement, so semantic relations need to be extracted to construct ontology semi-automatically. The paper mainly pays attention to
 
Improving face recognition with a quality-based probabilistic framework
Found in: Computer Vision and Pattern Recognition Workshop
By N. Ozay, Yan Tong, F.W. Wheeler, Xiaoming Liu
Issue Date:June 2009
pp. 134-141
This paper addresses the problem of developing facial image quality metrics that are predictive of the performance of existing biometric matching algorithms and incorporating the quality estimates into the recognition decision process to improve overall pe...
 
Automatic facial landmark labeling with minimal supervision
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Yan Tong, Xiaoming Liu, F.W. Wheeler, P. Tu
Issue Date:June 2009
pp. 2097-2104
Landmark labeling of training images is essential for many learning tasks in computer vision, such as object detection, tracking, and alignment. Image labeling is typically conducted manually, which is both labor-intensive and error-prone. To improve this ...
 
A Global QoS Optimizing Web Services Selection Algorithm Based on MOACO for Dynamic Web Service Composition
Found in: Information Technology and Applications, International Forum on
By Fang Qiqing, Peng Xiaoming, Liu Qinghua, Hu Yahui
Issue Date:May 2009
pp. 37-42
Dynamic Web Service composition is a key technology for building the service-oriented, loose coupling and integrated applications. In a web service composition system Web Services can be selected and integrated to generate a workflow for the satisfaction o...
 
Discriminative Face Alignment
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Xiaoming Liu
Issue Date:November 2009
pp. 1941-1954
This paper proposes a discriminative framework for efficiently aligning images. Although conventional Active Appearance Models (AAMs)-based approaches have achieved some success, they suffer from the generalization problem, i.e., how to align any image wit...
 
Boosted deformable model for human body alignment
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu, Ting Yu, Thomas Sebastian, Peter Tu
Issue Date:June 2008
pp. 1-8
This paper studies image alignment, the problem of learning a shape and appearance model from labeled data and efficiently fitting the model to a non-rigid object with large variations. Given a set of images with manually labeled landmarks, our model repre...
 
Face alignment via boosted ranking model
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Hao Wu, Xiaoming Liu, Gianfranco Doretto
Issue Date:June 2008
pp. 1-8
Face alignment seeks to deform a face model to match it with the features of the image of a face by optimizing an appropriate cost function. We propose a new face model that is aligned by maximizing a score function, which we learn from training data, and ...
 
Gradient Feature Selection for Online Boosting
Found in: Computer Vision, IEEE International Conference on
By Xiaoming Liu, Ting Yu
Issue Date:October 2007
pp. 1-8
Boosting has been widely applied in computer vision, especially after Viola and Jones's seminal work [23]. The marriage of rectangular features and integral-image-enabled fast computation makes boosting attractive for many vision applications. However, thi...
 
A Pairwise Covariance-Preserving Projection Method for Dimension Reduction
Found in: Data Mining, IEEE International Conference on
By Xiaoming Liu, Zhaohui Wang, Zhilin Feng, Jinshan Tang
Issue Date:October 2007
pp. 223-231
Dimension reduction is critical in many areas of pattern classification and machine learning and many discriminant analysis algorithms have been proposed. In this paper, a Pairwise Covariance-preserving Projection Method (PCPM) is proposed for dimension re...
 
What are customers looking at?
Found in: Advanced Video and Signal Based Surveillance, IEEE Conference on
By Xiaoming Liu, Nils Krahnstoever, Ting Yu, Peter Tu
Issue Date:September 2007
pp. 405-410
Computer vision approaches for retail applications can provide value far beyond the common domain of loss prevention. Gaining insight into the movement and behaviors of shoppers is of high interest for marketing, merchandizing, store operations and data mi...
 
Generic Face Alignment using Boosted Appearance Model
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu
Issue Date:June 2007
pp. 1-8
This paper proposes a discriminative framework for efficiently aligning images. Although conventional Active Appearance Models (AAM)-based approaches have achieved some success, they suffer from the generalization problem, i.e., how to align any image with...
 
Automatic Face Recognition from Skeletal Remains
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Peter Tu, Rebecca Book, Xiaoming Liu, Nils Krahnstoever, Carl Adrian, Phil Williams
Issue Date:June 2007
pp. 1-7
The ability to determine the identity of a skull found at a crime scene is of critical importance to the law enforcement community. Traditional clay-based methods attempt to reconstruct the face so as to enable identification of the deceased by members of ...
 
Wavelet Multiscale Products Based Genetic Fuzzy Clustering for Image Edge Detection Analysis
Found in: Cognitive Informatics, IEEE International Conference on
By Yishu Zhai, Xiaoming Liu
Issue Date:July 2006
pp. 413-417
A new edge detection algorithm by combining multiscale wavelet technique and genetic fuzzy clustering algoithm is proposed in this paper (called WGFCA), which can realize edge detection of input image automatically. Based on the theory that signals and noi...
 
Pathways core: a data model for cross-repository services
Found in: Digital Libraries, Joint Conference on
By Carl Lagoze, Sandy Payette, Xiaoming Liu, Herbert Van de Sompel, Simeon Warner, Jeroen Bekaert
Issue Date:June 2006
pp. 368-368
As part of the NSF-funded Pathways project, we have created an interoperable data model to facilitate object re-use and a broad spectrum of cross-repository services. The resulting Pathways Core data model is designed to be lightweight to implement, and to...
 
Optimal Pose for Face Recognition
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu, Jens Rittscher, Tsuhan Chen
Issue Date:June 2006
pp. 1439-1446
Researchers in psychology have well studied the impact of the pose of a face as perceived by humans, and concluded that the so-called 3/4 view, halfway between the front view and the profile view, is the easiest for face recognition by humans. For face rec...
 
Using standards in digital library design&development
Found in: Digital Libraries, Joint Conference on
By Herbert Van de Sompel, Xiaoming Liu, Jeroen Bekaert
Issue Date:June 2005
pp. 423-423
This tutorial will cover a set of Standards and defacto Standards that can play a role in the design and development of Digital Library applications. The Standards that will be discussed are the ISO MPEG-21 Digital Item Declaration, the ISO MPEG-21 Digital...
 
aDORe: a modular and standards-based digital object repository at the los alamos national laboratory
Found in: Digital Libraries, Joint Conference on
By Herbert Van de Sompel, Xiaoming Liu, Jeroen Bekaert
Issue Date:June 2005
pp. 367-367
This paper describes the aDORe repository architecture, designed and implemented for ingesting, storing, and accessing a vast collection of Digital Objects at the Research Library of the Los Alamos National Laboratory.
 
Pose-Robust Face Recognition Using Geometry Assisted Probabilistic Modeling
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Xiaoming Liu, Tsuhan Chen
Issue Date:June 2005
pp. 502-509
Researchers have been working on human face recognition for decades. Face recognition is hard due to different types of variations in face images, such as pose, illumination and expression, among which pose variation is the hardest one to deal with. To imp...
 
Toolkits for Visualizing Co-Authorship Graph
Found in: Digital Libraries, Joint Conference on
By Xiaoming Liu, Johan Bollen, Michael L. Nelson, Herbert Van de Sompel, Jeremy Hussell, Rick Luce, Linn Marks
Issue Date:June 2004
pp. 404-404
Visualization eases insight into complex systems such as co-authorship networks. We present an initial deployment of an author navigator application for convenient visual examination of JCDL and LANL co-authorship networks.
   
The Multi-faceted Use of the OAI-PMH in the LANL Repository
Found in: Digital Libraries, Joint Conference on
By Henry N. Jerez, Xiaoming Liu, Patrick Hochstenbach, Herbert Van de Sompel
Issue Date:June 2004
pp. 11-20
This paper focuses on the multifaceted use of the OAI-PMH in a repository architecture designed to store digital assets at the Research Library of the Los Alamos National Laboratory (LANL), and to make the stored assets available in a uniform way to variou...
 
Repository Synchronization in the OAI Framework
Found in: Digital Libraries, Joint Conference on
By Xiaoming Liu, Kurt Maly, Mohammad Zubair, Michael L. Nelson
Issue Date:May 2003
pp. 191
The Open Archives Initiative Protocol forMetadata Harvesting (OAI-PMH) began as an alternative to distributed searching of scholarly eprint repositories. The model embraced by the OAI-PMH is that of metadata harvesting, where value-added services (by a
 
Arc: An OAI Service Provider for Cross-Archive Searching
Found in: Digital Libraries, Joint Conference on
By Xiaoming Liu, Kurt Maly, Mohammad Zubair, Michael L. Nelson
Issue Date:June 2001
pp. 65-66
The usefulness of the many on-line journals and scientific digital libraries that exist today is limited by the lack of a service that can federate them through a unified interface. The Open Archive Initiative (OAI) is one major effort to address technical...
   
Protocol Switching: Exploiting Meta-Properties
Found in: Distributed Computing Systems Workshops, International Conference on
By Xiaoming Liu, Robbert van Renesse, Mark Bickford, Christoph Kreitz, Robert Constable
Issue Date:April 2001
pp. 0037
Abstract: As we see a growing variety of network and application behaviors, it becomes more important that protocols adapt to their surroundings. Building adaptive protocols is complicated, and therefore we have considered building hybrid protocols that sw...
 
Image segmentation of mesenchymal stem cells in diverse culturing conditions
Found in: 2014 IEEE Winter Conference on Applications of Computer Vision (WACV)
By Muhammad Jamal Afridi, Chun Liu,Christina Chan,Seungik Baek,Xiaoming Liu
Issue Date:March 2014
pp. 516-523
Researchers in the areas of regenerative medicine and tissue engineering have great interests in understanding the relationship of different sets of culturing conditions and applied mechanical stimuli to the behavior of mesenchymal stem cells (MSCs). Howev...
   
Multi-leaf alignment from fluorescence plant images
Found in: 2014 IEEE Winter Conference on Applications of Computer Vision (WACV)
By Xi Yin,Xiaoming Liu,Jin Chen,David M. Kramer
Issue Date:March 2014
pp. 437-444
In this paper, we propose a multi-leaf alignment framework based on Chamfer matching to study the problem of leaf alignment from fluorescence images of plants, which will provide a leaf-level analysis of photosynthetic activities. Different from the naive ...
   
Influence of Regulation of OLTC Transformation Ratio on Voltage Stability
Found in: 2013 Fourth International Conference on Digital Manufacturing & Automation (ICDMA)
By Xiaoming Liu,Xinsheng Niu,Yi Zhu,Chunping Zhu
Issue Date:June 2013
pp. 696-700
The self-regulation of on-load tap changer (OLTC) transformation ratio is an important factor causing voltage instability. This paper introduces OLTC simulation models and their characteristics. Based on the sensitivity information, this paper deduces the ...
 
Improved Pattern Matching Algorithm of BMHS
Found in: Information Science and Engieering, International Symposium on
By Linquan Xie, Xiaoming Liu, Guangxue Yue
Issue Date:December 2010
pp. 616-619
Based on the discussion and comparison of BMH, BMHS string matching algorithm, The optimum choice of which BMHS algorithm is improved, BMHS algorithm for the shortcomings, That is the algorithm fails in matching text strings match's last bit characters to ...
 
Pathways core: a data model for cross-repository services
Found in: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries (JCDL '06)
By Carl Lagoze, Herbert Van de Sompel, Jeroen Bekaert, Sandy Payette, Simeon Warner, Xiaoming Liu
Issue Date:June 2006
pp. 368-368
As part of the NSF-funded Pathways project, we have created an interoperable data model to facilitate object re-use and a broad spectrum of cross-repository services. The resulting Pathways Core data model is designed to be lightweight to implement, and to...
     
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