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Displaying 1-46 out of 46 total
A Segmentation and Graph-Based Video Sequence Matching Method for Video Copy Detection
Found in: IEEE Transactions on Knowledge and Data Engineering
By Hong Liu,Hong Lu,Xiangyang Xue
Issue Date:August 2013
pp. 1706-1718
We propose in this paper a segmentation and graph-based video sequence matching method for video copy detection. Specifically, due to the good stability and discriminative ability of local features, we use SIFT descriptor for video content description. How...
Sleep Scheduling and Gradient Query in Sensor Networks for Target Monitoring
Found in: Network and Parallel Computing Workshops, IFIP International Conference on
By Ying Guo, Zhongwen Guo, Feng Hong, Lu Hong
Issue Date:October 2009
pp. 101-108
Duty cycling is an important method for energy constrained sensor networks to prolong its lifetime. Current researches on duty cycling are often based on such assumption that all the sensory coverage should be maintained while some nodes are sleeping. For ...
Salient Object Detection using concavity context
Found in: Computer Vision, IEEE International Conference on
By Yao Lu,Wei Zhang, Hong Lu, Xiangyang Xue
Issue Date:November 2011
pp. 233-240
Convexity (concavity) is a bottom-up cue to assign figure-ground relation in the perceptual organization [18]. It suggests that region on the convex side of a curved boundary tend to be figural. To explore the validity of this cue in the task of salient ob...
Robust Object Tracking Based on a Novel Feature
Found in: 2013 Fourth Global Congress on Intelligent Systems (GCIS)
By Wenlin Zou,Shumin Fei,Liuwen Li,Qi Li,Hong Lu
Issue Date:December 2013
pp. 117-121
This paper proposes a powerful and robust local descriptor, called color Weber feature(CWF). The CWF descriptor consists of two components: color contrast ratio and color edge orientation. Inspired by Weber's Law, we propose color contrast ratio which impl...
Exploiting Social Networks for Large-Scale Human Behavior Modeling
Found in: IEEE Pervasive Computing
By Nicholas D. Lane,Ye Xu,Hong Lu,Andrew T. Campbell,Tanzeem Choudhury,Shane B. Eisenman
Issue Date:October 2011
pp. 45-53
The Cooperative Communities (CoCo) learning framework leverages everyday social connections between people to personalize classification models. By exploiting social networks, CoCo spreads the burden of providing training data over an entire community.
Cooperative Communities (CoCo): Exploiting Social Networks for Large-scale Modeling of Human Behavior
Found in: IEEE Pervasive Computing
By Nicholas Lane,Ye Xu,Hong Lu,Shane Eisenman,Tanzeem Choudhury,Andrew Campbell
Publication Date: September 2011
pp. N/A
Human behavior modeling at a large-scale and under real-world conditions is still an open problem. Existing classification models do not always perform well on a diverse population. Training personalized models that incorporate different contextual conditi...
The Applications and Trends of High Performance Computing in Finance
Found in: International Symposium on Distributed Computing and Applications to Business, Engineering and Science
By Li Hong, Lu Zhong-hua, Chi Xue-bin
Issue Date:August 2010
pp. 193-197
Large-scale parallel simulation and modeling have changed our world. Today, supercomputers are not just for research and scientific exploration; they have become an integral part of many industries, among which finance is one of the strongest growth factor...
The Rise of People-Centric Sensing
Found in: IEEE Internet Computing
By Andrew T. Campbell, Shane B. Eisenman, Nicholas D. Lane, Emiliano Miluzzo, Ronald A. Peterson, Hong Lu, Xiao Zheng, Mirco Musolesi, Kristóf Fodor, Gahng-Seop Ahn
Issue Date:July 2008
pp. 12-21
Technological advances in sensing, computation, storage, and communications will turn the near-ubiquitous mobile phone into a global mobile sensing device. People-centric sensing will help drive this trend by enabling a different way to sense, learn, visua...
An Adaptive Query Prototype Modeling Method for Image Search Reranking
Found in: 2013 IEEE International Conference on Computer Vision Workshops (ICCVW)
By Hong Lu,Guobao Jiang,Bohong Yang,Xiangyang Xue
Issue Date:December 2013
pp. 339-346
As more and more images with user free tags are appearing on the Internet, image search reranking has received considerable attention to help users obtain images relevant to the query. In this paper, we propose to rerank the initial image search results us...
Vector Space Model Based Internet Contextual Advertising
Found in: 2012 International Conference on Management of e-Commerce and e-Government (ICMeCG)
By Tian Xia,Yanmei Chai,Hong Lu,Tong Wang
Issue Date:October 2012
pp. 301-304
Internet Advertising is a new branch and frontier subject. The commercial value of it increases dramatically recent years. To maximize the commercial value, it is necessary to bring advertisement to the audience who much possibly purchases. This advertisin...
A MDA-based Approach for Developing Simulation-Oriented Combat Flows
Found in: 2012 IEEE 14th International Symposium on High-Assurance Systems Engineering (HASE)
By Hong Lu,Li Zhang,Zhao Liu
Issue Date:October 2012
pp. 155-158
Combat flow simulation is usually used to evaluate combat effectiveness. For development of combat flows based on special simulation platforms, both combat flows and platform-specific information need to be concerned. To separate concerns on combat flows a...
An Open Framework for Distributed Context Management in Ubiquitous Environment
Found in: Ubiquitous, Autonomic and Trusted Computing, Symposia and Workshops on
By Jun-Hong Lu, Chiung-Ying Wang, Ren-Hung Hwang
Issue Date:July 2009
pp. 88-93
In this paper, we aim to propose an open framework for ubiquitous environment. In this framework, a distributed context management architecture and a communication model based on standard protocols are proposed. With this framework, a smart device is able ...
Content and context-based multi-label image annotation
Found in: Computer Vision and Pattern Recognition Workshop
By Hong Lu, Yingbin Zheng, Xiangyang Xue, Yuejie Zhang
Issue Date:June 2009
pp. 61-68
In this paper, we propose a multi-label image annotation framework by incorporating the content and context information of images. Specifically, images are annotated on regional scale. This annotation is independent of the sizes of blocks. Confidences of c...
Improved DCCP Congestion Control for Wireless Sensor Networks
Found in: Computer and Information Science, ACIS International Conference on
By Liu Yong-Min, Jiang Xin-Hua, Nian Xiao-Hong, Lu Wu-Yi
Issue Date:June 2009
pp. 194-198
TCP is primarily designed for wired networks and became very efficient and robust with years of enhancements. However, experiments and research showed that TCP’s congestion control algorithm performs very poorly over Wireless Sensor Networks with degraded ...
Document Categorization with Entropy Based TF/IDF Classifier
Found in: Intelligent Systems, WRI Global Congress on
By Yi-hong Lu, Yan Huang
Issue Date:May 2009
pp. 269-273
The task of text categorization is assigning a given text document to one or more predefined categories. High availability of digital data requires methods for automatic processing of this data. Day-by day increase of this digital data gives rise to the ne...
An Improved Clonal Selection Algorithm for Job Shop Scheduling
Found in: Intelligent Ubiquitous Computing and Education, International Symposium on
By Hong Lu, Jing Yang
Issue Date:May 2009
pp. 34-37
The job shop scheduling problem (JSSP) is a notoriously difficult problem in combinatorial optimization. Extensive investigation has been devoted to developing efficient algorithms to find optimal or near-optimal solutions. This paper proposes an improved ...
Orthogonal Experiment Data Analysis Based on Optimal Discrimination Plane and Its Application
Found in: Computer Science and Information Engineering, World Congress on
By Hong Lu
Issue Date:April 2009
pp. 215-219
It is difficult for conventional methods to analyze accurately the data of orthogonal experiment with multiple indexes and/or without blank lists. In this research, a new analysis method based on Optimal Discrimination Plane (ODP) was proposed. For this me...
On the Convergence Rates of Clonal Selection Algorithm
Found in: Information Science and Engieering, International Symposium on
By Hong Lu
Issue Date:December 2008
pp. 289-292
It is complicated and important to study the covergence rates of clonal selection algorithms in the field of artificial immune computation. However, there are few results about it. By integrating chaos mechanism and niche technique, an improved clonal sele...
Web Page
Found in: Service-Oriented System Engineering, IEEE International Workshop on
By Weifeng Zhang, Baowen Xu, Hong Lu
Issue Date:December 2008
pp. 44-49
Link context has been widely used in information retrieval and classification. In topical crawlers or vertical crawlers, the link contexts are used to forecast whether the links are related to topics. The context of a link or link context usually includes ...
An Improved Particle Filter for Tracking Color Object
Found in: Intelligent Computation Technology and Automation, International Conference on
By Tao Zhang, Shumin Fei, Xiaodong Li, Hong Lu
Issue Date:October 2008
pp. 109-113
Robust real-time tracking of non-rigid objects is a challenging task. Color is a powerful feature for tracking deformable objects in image sequences with complex backgrounds. Color distribution is applied, as it is robust to partial occlusion, is rotation ...
Knowledge-Based Customers' Desirability Acquisition of Clothing
Found in: International Conference on Natural Computation
By Hong Lu, Yan Chen, Ying Wang
Issue Date:October 2008
pp. 94-98
With emphasis on customer demands in clothing manufacture and marketing, the acquisition of customer desirability has secured recognition by more and more people in the early stage of the clothing design. In this paper, clothing is defined and represented ...
Efficient Feature Extraction for Image Classification
Found in: Computer Vision, IEEE International Conference on
By Wei Zhang, Xiangyang Xue, Zichen Sun, Yue-Fei Guo, Mingmin Chi, Hong Lu
Issue Date:October 2007
pp. 1-8
In many image classification applications, input feature space is often high-dimensional and dimensionality reduction is necessary to alleviate the curse of dimensionality or to reduce the cost of computation. In this paper, we extract discriminant feature...
Semantic Information Extraction of Video Based on Ontology and Inference
Found in: International Conference on Semantic Computing
By Jie Ma, Jing Zhang, Hong Lu, Xiangyang Xue
Issue Date:September 2007
pp. 721-726
In this paper, a new ontology-based composite concept detection method is proposed, which adopts Bayesian network to construct the ontology and uses the inference rules to perform the composite concept detection providing the concrete concepts in a phrase ...
A Cross-Layer Design for End-to-End On-Demand Bandwidth Allocation in Infrastructure Wireless Mesh Network
Found in: Wireless Algorithms,Systems and Applications, International Conference on
By Hong Lu, Steve Liu, Anxiao (Andrew) Jiang
Issue Date:August 2007
pp. 55-62
Wireless mesh networks have gained significant academic and industry attentions in the recent years. Supporting quality of service in wireless mesh networks is a n important and challenging task which involves both medium access control and network layer d...
Salient Object Detection on Large-Scale Video Data
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Shile Zhang, Jianping Fan, Hong Lu, Xiangyang Xue
Issue Date:June 2007
pp. 1-6
Recently more and more researches focus on the concept extraction from unstructured video data. To bridge the semantic gap between the low-level features and the high-level video concepts, a mid-level understanding of the video contents, i.e., salient obje...
Hierarchical Indexing Structure for Efficient Similarity Search in Video Retrieval
Found in: IEEE Transactions on Knowledge and Data Engineering
By Hong Lu, Beng Chin Ooi, Heng Tao Shen, Xiangyang Xue
Issue Date:November 2006
pp. 1544-1559
With the rapid increase in both centralized video archives and distributed WWW video resources, content-based video retrieval is gaining its importance. To support such applications efficiently, content-based video indexing must be addressed. Typically, ea...
Deriving Requirements Specification with Time: A Software Environment Ontology Based Approach
Found in: 2013 IEEE 37th Annual Computer Software and Applications Conference (COMPSAC)
By Xiaohong Chen,Ronghua Ye,Haiying Sun,Hong Lu
Issue Date:July 2013
pp. 431-436
It is well acknowledged that environment plays an important role in requirement derivation. However, at present the time-continuous properties of the environment are of little concern. Our previous work modeled the time-continuous environment by constructi...
Locality Sensitive Information Brokerage in Distributed Sensor Networks
Found in: Distributed Computing Systems, International Conference on
By Hong Lu, Andrew (Anxiao) Jiang, Steve Liu
Issue Date:June 2008
pp. 522-529
In sensor network applications, sensors often need to retrieve data from each other. Information brokerage is a scheme that stores data (or index files of data) at rendezvous nodes, so that every sensor can efficiently finds the data it needs. A very usefu...
Preference, context and communities: a multi-faceted approach to predicting smartphone app usage patterns
Found in: Proceedings of the 17th annual international symposium on International symposium on wearable computers (ISWC '13)
By Andrew Campbell, Giuseppe Cardone, Hong Lu, Mu Lin, Nicholas Lane, Tanzeem Choudhury, Ye Xu, Zhenyu Chen
Issue Date:September 2013
pp. 69-76
Reliable smartphone app prediction can strongly benefit both users and phone system performance alike. However, real-world smartphone app usage behavior is a complex phenomena driven by a number of competing factors. In this pa- per, we develop an app usag...
CarSafe: a driver safety app that detects dangerous driving behavior using dual-cameras on smartphones
Found in: Proceedings of the 2012 ACM Conference on Ubiquitous Computing (UbiComp '12)
By Andrew T. Campbell, Chuang-Wen You, Giuseppe Cardone, Hong Lu, Lorenzo Torresani, Martha Montes-de-Oca, Nicholas D. Lane, Thomas J. Bao
Issue Date:September 2012
pp. 671-672
Driving while being tired or distracted is dangerous. We are developing the CafeSafe app for Android phones, which fuses information from both front and back cameras and others embedded sensors on the phone to detect and alert drivers to dangerous driving ...
CarSafe demo: supporting driver safety using dual-cameras on smartphones
Found in: Proceedings of the 2012 ACM Conference on Ubiquitous Computing (UbiComp '12)
By Andrew T. Campbell, Chuang-Wen You, Giuseppe Cardone, Hong Lu, Lorenzo Torresani, Martha Montes-de-Oca, Nicholas D. Lane, Thomas J. Bao
Issue Date:September 2012
pp. 547-547
We demonstrate CarSafe, a driver safety application for Android phones that fuses information from both front and back cameras and others embedded sensors on the phone to detect and alert drivers to dangerous driving conditions in and outside of the car. I...
StressSense: detecting stress in unconstrained acoustic environments using smartphones
Found in: Proceedings of the 2012 ACM Conference on Ubiquitous Computing (UbiComp '12)
By Andrew T. Campbell, Daniel Gatica-Perez, Denise Frauendorfer, Gokul T. Chittaranjan, Hong Lu, Marianne Schmid Mast, Mashfiqui Rabbi, Tanzeem Choudhury
Issue Date:September 2012
pp. 351-360
Stress can have long term adverse effects on individuals' physical and mental well-being. Changes in the speech production process is one of many physiological changes that happen during stress. Microphones, embedded in mobile phones and carried ubiquitous...
Refining local descriptors by embedding semantic information for visual categorization
Found in: Proceedings of the 19th ACM international conference on Multimedia (MM '11)
By Hong Lu, Renzhong Wei, Xiangyang Xue, Yingbin Zheng
Issue Date:November 2011
pp. 1381-1384
Local descriptor extraction and vector quantization are the important components of widely-used Bag-of-Features (BoF) model for visual categorization. This paper proposes a simple and efficient approach to refine the local descriptors for vector quantizati...
Level influence of spatial pyramid matching in object classification
Found in: Proceedings of the 19th ACM international conference on Multimedia (MM '11)
By Hong Lu, Renzhong Wei, Xiangyang Xue, Yanran Shen
Issue Date:November 2011
pp. 1373-1376
In this paper we propose to effectively consider the shape and size variations for object classification. Specifically, a novel image matching method is proposed to incorporate the image segmentation with Spatial Pyramid Matching (SPM), and test our method...
Enabling large-scale human activity inference on smartphones using community similarity networks (csn)
Found in: Proceedings of the 13th international conference on Ubiquitous computing (UbiComp '11)
By Andrew T. Campbell, Feng Zhao, Hong Lu, Nicholas D. Lane, Shaohan Hu, Tanzeem Choudhury, Ye Xu
Issue Date:September 2011
pp. 355-364
Sensor-enabled smartphones are opening a new frontier in the development of mobile sensing applications. The recognition of human activities and context from sensor-data using classification models underpins these emerging applications. However, convention...
The Jigsaw continuous sensing engine for mobile phone applications
Found in: Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems (SenSys '10)
By Andrew T. Campbell, Hong Lu, Jun Yang, Nicholas D. Lane, Tanzeem Choudhury, Zhigang Liu
Issue Date:November 2010
pp. 71-84
Supporting continuous sensing applications on mobile phones is challenging because of the resource demands of long-term sensing, inference and communication algorithms. We present the design, implementation and evaluation of the Jigsaw continuous sensing e...
Semantic video indexing by fusing explicit and implicit context spaces
Found in: Proceedings of the international conference on Multimedia (MM '10)
By Hong Lu, Renzhong Wei, Xiangyang Xue, Yingbin Zheng
Issue Date:October 2010
pp. 967-970
This paper addresses the problem of context-based concept fusion (CBCF) for concept detection and semantic video indexing. We introduce a novel framework based on constructing context spaces of concepts, such that the contextual correlations are used to im...
NeuroPhone: brain-mobile phone interface using a wireless EEG headset
Found in: Proceedings of the second ACM SIGCOMM workshop on Networking, systems, and applications on mobile handhelds (MobiHeld '10)
By Andrew Campbell, Hong Lu, Mashfiqui Rabbi, Matthew K. Mukerjee, Rajeev D.S. Raizada, Shaohan Hu, Tanzeem Choudhury
Issue Date:August 2010
pp. 3-8
Neural signals are everywhere just like mobile phones. We propose to use neural signals to control mobile phones for hands-free, silent and effortless human-mobile interaction. Until recently, devices for detecting neural signals have been costly, bulky an...
An effective method for video genre classification
Found in: Proceedings of the ACM International Conference on Image and Video Retrieval (CIVR '10)
By Cheng Jin, Hong Lu, Jian-Feng Chen, Renzhong Wei, Xiangyang Xue
Issue Date:July 2010
pp. 97-104
As a common media type, video is closely bound up with our life. Since the number and the kinds of videos increase steadily, how to organize the enormous amount of videos and obtain the content of interest has become an important research issue. And the vi...
SoundSense: scalable sound sensing for people-centric applications on mobile phones
Found in: Proceedings of the 7th international conference on Mobile systems, applications, and services (Mobisys '09)
By Andrew T. Campbell, Hong Lu, Nicholas D. Lane, Tanzeem Choudhury, Wei Pan
Issue Date:June 2009
pp. 1-2
Top end mobile phones include a number of specialized (e.g., accelerometer, compass, GPS) and general purpose sensors (e.g., microphone, camera) that enable new people-centric sensing applications. Perhaps the most ubiquitous and unexploited sensor on mobi...
Hierarchical mobile router support in nested mobile networks
Found in: Proceedings of the International Conference on Mobile Technology, Applications, and Systems (Mobility '08)
By Jun-Hong Lu, Ren-Hung Hwang
Issue Date:September 2008
pp. 1-21
With the rapid development from mobile computing toward ubiquitous computing, more and more users access to wireless network service at anytime anywhere with various kinds of portable mobile devices. To effectively support a group of mobile devices move to...
Fudan University: hierarchical video retrieval with adaptive multi-modal fusion
Found in: Proceedings of the 2008 international conference on Content-based image and video retrieval (CIVR '08)
By Cheng Jin, Hong Lu, Hui Yu, Xiangyang Xue, Yingbin Zheng, Yuanzheng Song, Zichen Sun
Issue Date:July 2008
pp. 569-570
This paper describes Fudan University's interactive video retrieval system. The system uses an adaptive multi-modal fusion method and enables the user to browse the results hierarchically across different levels of temporal granularity.
Ambient beacon localization: using sensed characteristics of the physical world to localize mobile sensors
Found in: Proceedings of the 4th workshop on Embedded networked sensors (EmNets '07)
By Andrew T. Campbell, Hong Lu, Nicholas D. Lane
Issue Date:June 2007
pp. 38-42
There is a growing need to support localization in low-power mobile sensor networks, both indoors and outdoors, when mobile sensor nodes (e.g., mote class) are incapable of independently estimating their location (e.g., when GPS is inappropriate or too cos...
Resistance DPA of RSA on Smartcard
Found in: Information Assurance and Security, International Symposium on
By Ji-fang Jin, Er-hong Lu, Xian-wei Gao
Issue Date:August 2009
pp. 406-409
Smartcard could leak some power consumption during encryption or signature Differential power analysis (DPA) attackers can analysis encryption key with power information, it brings much more harm than traditional mathematics analysis. RSA is one of the mos...
Brain ?-Aminobutyric Acid Detection with Improved Selectivity by Double Quantum Filter Technique
Found in: BioMedical Engineering and Informatics, International Conference on
By Hui Wang, Tian-yu Tang, Yun Jiao, Zu-hong Lu, Ren-hua Wu
Issue Date:May 2008
pp. 363-366
γ-aminobutyric acid (GABA) is the major inhibitory neurotransmitter for the normal function of human brain. It is difficult to detect GABA signal with the conventional single quantum filter technique due to its relatively low concentration and overlapping ...
Diversity Measurement Research on Cluster Species of Network Society
Found in: International Conference on Natural Computation
By Hong-lu Liu, Jia-wei Zuo, Zhen-ji Zhang, Run-tong Zhang
Issue Date:October 2008
pp. 186-190
Based on the understanding of the ecology, with the theoretical knowledge of the ecology take an analysis on the population of network social, the main use of the method to measure diversity on the network social stocks of the community, through analysis o...