A Resilient Real-Time Agent-Based System for a Reconfigurable Power Grid (2008)
Hairong Qi, Senior Member, Wenjuan Zhang, Student Member, Leon M. Tolbert, Senior Member
Abstract ⎯ Reliable electricity has become an essential underpinning for national security in modern society. The fault-tolerant generic framework proposed herein can prevent potential outages from...
On Mobile Agent Itinerary for Collaborative Processing in Sensor Networks (2008)
Abstract — One of the most important problems studied in wireless sensor network applications is the collaborative processing among sensor nodes in order to compensate for each other’s sensing...
Mosaicked Multispectral Focal Plane Arrays (2008)
A mosaicked sensor is a monolithic array of many sensors, arranged in a geometric pattern. In the commercial digital color camera market, the mosaicked color filter array (CFA) technique is widely...
SELF-CERTIFIED PUBLIC KEY CRYPTOGRAPHY FOR RESOURCE-CONSTRAINED SENSOR NETWORKS (2008)
Itamar Elhanany, Benjamin Arazi, Ortal Arazi, Derek Rose, Hairong Qi
Abstract. As sensor networks continue to become one of the key technologies to realize ubiquitous computing, promising to revolutionize our ability to sense and control the physical environment,...
Fast Smart Blind Sources Separation in Mini-UAVs and Its Firmware Implementation (2008)
Hairong Qi, Lidan Miao, Hongtao Du, Harold Szu
The proposed research aims at inexpensive, specialized firmware solutions to smart algorithms designed to assist remote surveillance using a group of mini-UAVs. We identify an application problem,...
A Progressive Approach to Distributed Multiple Target Detection in Sensor Networks (2008)
Xiaoling Wang, Hairong Qi, Steve Beck, Hongtao Du
In this paper, we study the multiple target detection problem in sensor networks. Due to the resource limitations of sensor networks, the multiple target detection approach has to be energy-efficient...
A Resilient Real-Time Agent-Based System for a Reconfigurable Power Grid (2008)
Hairong Qi, Senior Member, Wenjuan Zhang, Student Member, Leon M. Tolbert, Senior Member
Abstract ⎯ Reliable electricity has become an essential underpinning for national security in modern society. The fault-tolerant generic framework proposed herein can prevent potential outages from...
The Mobile Agent Framework for Collaborative Processing in Sensor Networks ∗ (2008)
Hairong Qi, Yingyue Xu, Teja Phani Kuruganti
This chapter discusses the distributed computing paradigms used to support the col-laborative processing in sensor networks. Sensor networks form a typical distributed envi-ronment and the most...
Global Principal Component Analysis for Dimensionality Reduction in Distributed Data Mining (2008)
Hairong Qi, Tsei-wei Wang, J. Douglas Birdwell
Previous data mining activities have mostly focused on mining a centralized database. One big problem with a centralized database is its limited scalability. Because of the distributed nature of many...
Mobile Agent Migration Models and Algorithms for Collaborative Processing (2008)
Yingyue Xu, Hairong Qi, Senior Member
Abstract — The mobile agent based paradigm is a promising computing paradigm in wireless sensor networks, which has many unique advantages over the traditional client/server paradigm. However, the...
Image Correction and Fusion for Large-Area CCD Sensor Arrays (2008)
Abstract – Butting technique is currently the most economic way to achieve large-area CCD imaging. Although this technique reduces system cost, it also causes severe radiometric and geometric...
RF and Microwave Systems Group (2008)
Hairong Qi, Phani Teja Kuruganti, Wesley E. Snyder
One of the popular methods for breast cancer detection is to make comparisons between contralateral images. When the images are relatively symmetrical, small asymmetries may indicate a suspicious...
Sankar Venkataraman, Mitchel J. Doktycz, Hairong Qi
Abstract — The identification of combinational protein interactions significantly challenges the field of systems biology and bio-computational informatics. The identification of proteinprotein...
Distributed Multi-target Detection in Sensor Networks (2008)
Xiaoling Wang, Hairong Qi, Steve Beck
Recent advances in micro electro mechanical systems (MEMS), wireless communication technologies, and digital electronics are responsible for the emergence of sensor networks that deploy thousands of...
Detecting and recognizing face images automatically is a difficult task due to the variability of illumination, presentation angle, face expression and other common problems of machine vision. In...
Feature Selection and kNN Fusion in Molecular Classification of Multiple Tumor Types (2007)
Abstract This paper describes solutions to early cancer detection by molecular classification of gene expression data of multiple tumor types. The discussions focus on both dimensionality reduction...
BLIND CONSISTENCY-BASED STEGANOGRAPHY FOR INFORMATION HIDING IN DIGITAL MEDIA (2007)
We propose a new approach to steganography for information hiding in digital media. We refer to it as blind consistency-based steganography (BCBS). Our main concerns in designing BCBS is high...
Abstract Optimal Itinerary Analysis for Mobile Agents in Ad Hoc Wireless Sensor Networks ∗ (2007)
One of the most important problems studied in any sensor network is data fusion. Client/server paradigm has been a commonly used computing model in traditional distributed sensor networks (DSNs)....
Comparison of Mean Field Annealing and Multiresolution Analysis in Missing Data Estimation (2007)
Hairong Qi, Wesley E. Snyder, Griff L. Bilbro
resolution X-ray detection system with a high dynamic range. The large area is achieved by butting two or more scintillator/fiber/CCD combinations together. An algorithm is thus required to...
A Reconfigurable FPGA System for Parallel Independent Component Analysis (2006)
A run-time reconfigurable field programmable gate array (FPGA) system is presented for the implementation of the parallel independent component analysis (ICA) algorithm. In this work, we investigate...
Gregory D. Peterson, Louis J. Gross, Hairong Qi, Major Professor, Donald W. Bouldin, Hongtao Du
Copyright c○2006 by Hongtao Du
DESIGN AND TEST OF AN EVENT DETECTOR AND LOCATOR (2006)
Gregory Peterson, Hairong Qi, Donald W. Bouldin, Anne Mayhew, Brad J. Stinson
the final electronic copy of this thesis for form and content and recommend that it be
A Reconfigurable FPGA System for Parallel Independent Component Analysis (2006)
A run-time reconfigurable field programmable gate array (FPGA) system is presented for the implementation of the parallel independent component analysis (ICA) algorithm. In this work, we investigate...
An Energy-Efficient QoS-Aware Media AccessControl Protocol for Wireless Sensor Networks (2005)
Yang Liu, Itamar Elhanany, Hairong Qi
Abstract — We present an innovative MAC protocol (Q-MAC) that minimizes the energy consumption in multi-hop wireless sensor networks (WSNs) and provides Quality of Service (QoS) by differentiating...
On Computing Mobile Agent Routes for Data Fusion in Distributed Sensor Networks (2004)
Qishi Wu, Jacob Barhen, S. Sitharama Iyengar, Vijay K. Vaishnavi, Hairong Qi, ...
The problem of computing a route for a mobile agent that incrementally fuses the data as it visits the nodes in a distributed sensor network is considered. The order of nodes visited along the route...
Yingyue Xu, Hairong Qi, Phani Teja Kuruganti
Abstract — In sensor networks, collaborative processing between multiple sensor nodes is essential in order to complement for each other’s sensing capability, tolerate faults, and provide...
In this paper, we report the development of an energy-efficient, high-performance distributed computing paradigm to carry out Collaborative Signal and Information Processing (CSIP) in sensor networks...
A generic method for generating multi-spectral filter array (2004)
The technology of color filter arrays (CFA) has been widely used in the digital camera industry since it provides several advantages like low cost, exact registration, and strong robustness. The same...
On computing mobile agent routes for data fusion in distributed sensor networks (2004)
Qishi Wu, Jacob Barhen, S. Sitharama Iyengar, Vijay K. Vaishnavi, Hairong Qi, ...
Abstract—The problem of computing a route for a mobile agent that incrementally fuses the data as it visits the nodes in a distributed sensor network is considered. The order of nodes visited along...
Qi, Hairong, Head, Jonathan F.
Thermal infrared imaging has shown effective results as a diagnostic tool in breast cancer detection. It can be used as a complementary to traditional mammography. Asymmetry analysis are usually used...
Mobile-agent-based collaborative signal and information processing in sensor networks (2003)
Hairong Qi, Yingyue Xu, Xiaoling Wang, Student Member
Abstract — In this paper, we develop an energy-efficient, faulttolerant approach for collaborative signal and information processing (CSIP) among multiple sensor nodes using a mobileagent-based...
Hairong Qi, Michael Langston, Lynne Parker, Gregory D. Peterson, Anne Mayhew, Melissa C. Smith
Performance. ” I have examined the final electronic copy of this dissertation for form and content
selection using independent component analysis for hyperspectral image processing (2003)
Hongtao Du, Hairong Qi, Xiaoling Wang
Although hyperspectral images provide abundant information about objects, their high dimensionality also substantially increases computational burden. Dimensionality reduction offers one approach to...
selection using independent component analysis for hyperspectral image processing (2003)
Hongtao Du, Hairong Qi, Xiaoling Wang
Although hyperspectral images provide abundant information about objects, their high dimensionality also substantially increases computational burden. Dimensionality reduction offers one approach to...
The Development of Localized Algorithms in Wireless Sensor Networks (2002)
Hairong Qi, Phani Teja Kuruganti, Yingyue Xu
Advances in sensor technology and wireless communications have made networked microsensors possible, where each sensor individually senses the environment but collaboratively achieves complex...
High performance sensor integration in distributed sensor networks using mobile agents (2002)
Hairong Qi, Xiaoling Wang, S Sitharama Iyengar, Krishnendu Chakrabarty, Hairong Qi, Xiaoling Wang, ...
The recent change of emphasis from high performance parallel computing to high performance parallel/distributed computing has called for new techniques in distributed problem solving. Mobile agent,...
The development of localized algorithms in wireless sensor networks (2002)
Hairong Qi, Phani Teja Kuruganti, Yingyue Xu
networked microsensors possible, where each sensor individually senses the environment but collaboratively achieves complex information gathering and dissemination tasks. These networked sensors,...
The most challenging problem in target detection and classification is the extraction of a robust feature vector which can effectively represent a specific type of target. The use of the seismic...
Grid Coverage for Surveillance and Target Location in Distributed Sensor Networks (2002)
Krishnendu Chakrabarty, Senior Member, S. Sitharama Iyengar, Hairong Qi, Eungchun Cho
We present novel grid coverage strategies for effective surveillance and target location in distributed sensor networks. We represent the sensor field as a grid (two or three-dimensional) of points...
High Performance Sensor Integration in Distributed (2002)
Sensor Networks Using, Hairong Qi, Xiaoling Wang, S. Sitharama Iyengar, Krishnendu Chakrabarty, Contact Hairong Qi
The recent change of emphasis from high performance parallel computing to high performance parallel/distributed computing has called for new techniques in distributed problem solving. Mobile agent,...
Early Detection of Breast Cancer using Thermal Texture Maps (2002)
Hairong Qi Phani, Hairong Qi, Phani Teja Kuruganti, Zhongqi Liu
This paper focuses on the discussion of using thermal infrared imaging (TIR) in early detection of breast cancer. We use the term thermal texture maps to represent the images captured from TIR...
Performance evaluation of distributed computing paradigms in mobile ad hoc sensor networks (2002)
The emergence of mobile ad hoc sensor networks has brought new challenges to traditional network design. This paper focuses on the study at the application layer. In specific, it compares the...
Grid Coverage for Surveillance and Target Location in Distributed Sensor Networks (2002)
Krishnendu Chakrabarty, S. Sitharama Iyengar, Hairong Qi, Eungchun Cho, Contact Krishnendu Chakrabarty
We present novel grid coverage strategies for eective surveillance and target location in distributed sensor networks. We represent the sensor eld as a grid (two- or three-dimensional) of points...
Multi-Resolution Data Integration Using Mobile Agents in Distributed Sensor Networks (2001)
Abstract — We describe the use of the mobile agent paradigm to design an improved infrastructure for data integration in Distributed Sensor Network (DSN). We use the acronym MADSN to denote the...
Multisensor data fusion in distributed sensor networks using mobile agents (2001)
Abstract – We describe the deployment of mobile agent in Distributed Sensor Networks (DSNs) to form an improved infrastructure for multisensor data fusion. Compared with the traditional...
Multi-Resolution Data Integration Using Mobile Agents in Distributed Sensor Networks (2001)
Hairong Qi, S. Sitharama Iyengar, Krishnendu Chakrabarty
Abstract—We describe the use of the mobile agent paradigm to design an improved infrastructure for data integration in distributed sensor network (DSN). We use the acronym MADSN to denote the...
Coding theory framework for target location in distributed sensor networks (2001)
Krishnendu Chakrabarty, Sitharama S. Iyengar, Hairong Qi, Eungchun Cho
Distribiited9 red-time setisor nenvorks ure essential jor eflective surveillance in the digitized bcittlejwld arid for etivironnientul nioriitoririg. [ti this paper; ~ve present the,first systematic...
Multi-Resolution Data Integration Using Mobile Agents in Distributed Sensor Networks (2001)
Abstract — We describe the use of the mobile agent paradigm to design an improved infrastructure for data integration in distributed sensor network (DSN). We use the acronym MADSN to denote the...
Coding theory framework for target location in distributed sensor networks (2001)
Krishnendu Chakrabarty, Sitharama S. Iyengar, Hairong Qi, Eungchun Cho
Distributed, real-time sensor networks are essential for effective surveillance in the digitized battlefield and for environmental monitoring. In this paper, we present the first systematic theory...
Coding Theory Framework for Target Location in Distributed Sensor Networks (2001)
Krishnendu Chakrabarty Sitharama, Krishnendu Chakrabarty, Sitharama S. Iyengar, Hairong Qi, Eungchun Cho
effective surveillance in the digitized battlefield and for environmental monitoring. In this paper, we present the first systematic theory that leads to novel sensor deployment strategies for...
Multi-Resolution Data Integration Using (2001)
Mobile Agents In, Hairong Qi, S. Sitharama Iyengar, Krishnendu Chakrabarty, Senior Member
We describe the use of the mobile agent paradigm to design an improved infrastructure for data integration in distributed sensor network (DSN). We use the acronym MADSN to denote the proposed...
Design and Implementation of Property-Oriented Detection for Link State Routing Protocols (2001)
F. Wang, F. Gong, F Wu, H. Qi, Feiyi Wang, Fengmin Gong, ...
This paper presents a new intrusion detection approach, property-oriented analysis and detection (POD). We discuss both the generic paradigm of this new approach and our design and implementation...
Scalable Multi-Agent System for RealTime Electric (2001)
Leon M. Tolbert, Senior Member, Hairong Qi, Fang Z. Peng, Senior Member
Abstract-- A scalable multi-agent paradigm is presented for control of distributed energy resources to achieve higher reliability, higher power quality, and more efficient (optimum) power generation...
Increasing the effective resolution of thermal infrared images (2000)
Wesley E. Snyder, Hairong Qi, Robert L. Elliott, Jonathan F. Head, Cliff X. Wang
An algorithm is proposed to increase the effective resolution of infrared thermal images by a 2:1 ratio while at the same time removing the noise and preserving edges in the image. This algorithm is...
Conditioning analysis of missing data estimation for large sensor arrays (2000)
Optimal missing data estimation algorithms including deblurring and denoising are designed to restore images captured from large CCD sensor arrays using butting technique, where 1 to 2 columns of...
A high-resolution, large-area, digital imaging system / (1999)
Thesis (Ph. D.)--North Carolina State University.
A coordinate system for hexagonal pixels (1999)
Wesley E. Snyder, Hairong Qi, William S
A coordinate system is described which provides a natural means for representing hexagonally-organized pixels. The coordinate system has the unusual property that its basis vectors are not...
Hairong Qi, Wesley E. Snyder (1999)
Center For Advanced, Hairong Qi, Wesley E. Snyder
In this paper, we propose the concept of content-based image retrieval (CBIR) and demonstrate its potential use in picture archival and communication system (PACS). We address the importance of image...
Optimal Missing Pixel Estimation Algorithms for Large Detector Arrays (1998)
Qi, Hairong, Snyder, Wesley E., Sander, William, Bilbro, Griff
The purpose of optimal algorithm design is to develop a cost-effective high-resolution, large-area, digital imaging system, where optimal restoration methods are used to compensate hardware defects,...
Detecting Breast Cancer from Thermal Infrared Images by Asymmetry Analysis (1998)
Qi, Hairong, Kuruganti, Phani T.
This project is a research effort that helps define thermal infrared (IR) imaging as a diagnostic tool in early detection of breast cancer, which can be used as a complementary to traditional...
Distributed Multi-Resolution Data Integration Using Mobile Agents (1998)
Qi, Hairong, Iyengar, S. S., Chakrabarty, Krishnendu
We describe the use of the mobile agent paradigm to design an improved infrastructure for data integration in Distributed Sensor Network (DSN). We use the acronym MADSN to denote the proposed...
Missing Data Estimation by Separable Deblurring (1998)
Hairong Qi, Wesley E. Snyder, Griff L. Bilbro
Today's technology allows butting a few sensor arrays to a high precision in order to capture a twodimensional image of large area. The most serious defect caused by this butting technique is...
Missing Data Estimation by Separable Deblurring (1998)
Hairong Qi, Wesley Snyder, Griff Bilbro
Today's technology allows butting a few sensor arrays to a high precision in order to capture a twodimensional image of large area. The most serious defect caused by this butting technique is...