Transverse Sector Reports (2008)
Aviation Jeff, Legal Framework, Prof John, Uff Freng, Human Factors, Prof Helen Muir, ...
An examination of the processes that follow from accidents or incidents of high potential in several industries and their effectiveness in preventing further accidents
DIABATIC TWO-PHASE FLOW PATTERN MAPS FOR MICRO-EVAPORATORS (2008)
Knowledgeable and reliable thermal design of micro-evaporators requires basic information about the twophase flow patterns, their transitions and any thermal/operational limitations. It has now been...
Hardware-Accelerated Audio Synthesis Utilizing a Liquid Architecture (2008)
Ben Irey, Fei Sun, Prof John, W. Lockwood
A system has been developed that uses hardware and a soft-core processor to generate audio files, playable on any media player, from a set of notes input as ASCII character strings. A circuit...
ADMINISTRATIVE SECRETARY Miss Fiona Yip HONORARY CONTRIBUTING EDITORIAL CONSULTANTS (2008)
W. K. Lau, Yuk Tsan, Badawy Dr, ...
It is a common complaint from doctors working in the accident and emergency departments that their services are often abused by patients who neither have an accident nor emergency. Although there is...
PHOTOGRAMMETRIC SEA WAVE MAPPING FOR HARBOR DESIGN (2008)
Prof John, N. Hatzopoulos, Director Of Rslua, Evaggelos Papapanagiotou, Ph. D C
This work presents intermediate results of a research project, which deals with the determination of sea wave surface three-dimensional data for better harbor design. The problems rising from the use...
SEA WAVE SURFACE MAPPING BY CLOSE RANGE PHOTOGRAMMETRY (2008)
Efstratios Papadopoulos, Ph. D C, Evaggelos Papapanagiotou, Ph. D C, Prof John, N. Hatzopoulos, ...
This work is a part of a research project which deals with the determination of parameters for better harbor design. The use of a close range Photogrammetry system composed of two synchronized metric...
* To whom correspondence should be addressed. Corresponding author: (2008)
S. Êzh, E. Êpisanova, E. Êmšder, Prof John, A. Nairn
Running head: Pull-out tests with fibers having different diameters
Prof Dr. -ing, Adam Wolisz, Lars Wischhof, Prof John, ...
The growing deployment of wireless local area networks (WLANs) in corporate envi-ronments, the increasing number of wireless Internet service providers, and demand for quality of service support...
Admission Control, Reservation, and Reflection in Operating Systems (2008)
this paper. The example of supporting QoS for audio and video also makes use of reflective information about the needs of the various audio and video streams. This is usually in the form of...
Mail All Correspondence To: (2007)
Levent M. Arslan, Prof John, H. L. Hansen
It is well known that speaker variability caused by accent is one factor that degrades performance of speech recognition algorithms. If knowledge of speaker accent can be estimated accurately, then a...
Sameer A. Khan, A. Khan, Prof Gary, Gary A. Pope, Prof John, ...
Previous pseudo-phase representations of micellar/polymer phase behavior have been highly successful in simulating enhanced oil recovery processes using conventional numerical methods. These models...
Nonlinear Analysis and Classification of Speech Under Stressed Conditions (2007)
Douglas A. Cairns, Prof John, H. L. Hansen
The speech production system is capable of conveying an abundance of information with regards to sentence text, speaker identity, prosodics, as well as emotion and speaker stress. In an effort to...
An Efficient Scoring Algorithm for Gaussian Mixture Model based Speaker Identification (2007)
Bryan L. Pellom, Prof John, H. L. Hansen
This letter presents a novel algorithm for reducing the computational complexity of identifying a speaker within a Gaussian Mixture speaker model framework. For applications in which the entire...
Bryan L. Pellom, Prof John, H. L. Hansen
In this correspondence we illustrate how the (Auto:I,LSP:T) constrained iterative speech enhancement algorithm can be extended to provide improved performance in colored noise environments. The...
Suraj J. Mathew, Major Professor, Prof John, D. Cressler
: A SiGe CMOS on Silicon-on-sapphire (SOS) technology is developed for high-speed analog and microwave applications, for the first time. New effects studied include: hole confinement effects at low...
Information Dominance Via Global Virtual Databases (2007)
The Next Generation Internet (NGI) will provide an order of magnitude improvement in the computer/communication infrastructure. What is needed is a corresponding order of magnitude improvement at the...
Speech Enhancement For Cross-Talk Interference (2007)
By Levent, Levent M. Arslan, Prof John, H. L. Hansen
Speech signals are often degraded by additive interference over single channel communication systems. For stationary and well defined noise sources, effective solutions exist. However, it is often...
Real-Time Global Virtual Machines (2007)
applications can make better use of the vast processing power that exists in the world is necessary. For a discussion of the issues for these platforms the reader is referred to [1]. What is also...
Ph.D. – Term Paper Title: Fault Tolerance and Performance Analysis in Wireless CORBA (2007)
Name Chen Xinyu, Prof John, C. S. Lui
The emerging mobile wireless environment poses exciting challenges for distributed fault tolerant (FT) com-puting. This term paper first proposes a message logging and recovery protocol on the top of...
Chong Ka Lung, Prof Michael, R. S. Lyu, Dr. Y. S. Moon, Prof John, C. S. Lui
In this paper, an Internet payment system is proposed. It gives users a choice to choose which payment method they like to use, either credit card or electronic coins. A literature review on existing...
Securing Asynchronous Transfer Mode Networks (2007)
Gregory M. Haskins, Prof Christof, Paar Prof, Fred J. Looft, Scott Lane, Prof John, ...
Data security plays an increasingly important role in today's information technology. Potential data rates in the gigabit range, such as offered by ATM networks, put many constraints on the...
Mail All Correspondence To: (2007)
Levent M. Arslan, Prof John, H. L. Hansen
In this paper, a detailed acoustic feature study of foreign accent using temporal features, intonation patterns, and frequency characteristics in American English is performed. Using a database which...
Kaiyang Yang, Prof John, B. Moore, Dr. Robert Orsi
The undersigned hereby certify that they have read and recommend
The Dynamics of Packets of Surface Gravity Waves in Smooth Inhomogeneous Media (2006)
Emma Holian, Emma Holian, Prof John, Colm P. Howlin
Microarray technology measures genetic expression in the cells of a tissue sample and is often implemented to identify the functions of genes in an organism. The analysis of data produced from...
ROBUST MOTION PLANNING IN PRESENCE OF UNCERTAINTIES USING A MANEUVER AUTOMATON Approved by: (2005)
J. Topsakal, Prof Carlo, L. Bottasso, Prof John, R. Olds, Prof Panagiotis Tsiotras
To my family and all my friends for their endless encouragement and trust, In memory of my friend Yann Michaël Ricou, deceased December 3rd, 2004 ACKNOWLEDGEMENTS Nothing can be compared to the...
Data Continuation for Data Regularization and Internal Multiples (2005)
E. Malcolm, Prof James, A. Mcneil, Prof Maarten, V. Hoop, Prof John, ...
Seismic data collected in the field are often not ideal for processing. The process known as data continuation computes data not recorded from those that are recorded so that data requirements for...
ABSTRACT DNA BASED SELF-ASSEMBLY AND NANO-DEVICE: THEORY AND PRACTICE (2005)
Peng Yin, Peng Yin, Prof John, H. Reif, Prof Pankaj, K. Agarwal, ...
To my loved ones iv The construction of complex systems at the 1- 100 nanometer (1 nanometer = ¡£¢¥¤§ ¦ meter) scale is a key challenge in current nanoscience. This challenge can be most...
S Kameshwaran, Prof Y Narahari, Prof Y Narahari, For His Acceptance, Prof Martin, Bichler Tum, ...
For the Research Fellowship
Energy-Conserving Coverage Configuration for Dependable Wireless Sensor Networks (2004)
Name Chen Xinyu, Prof John, C. S. Lui
Wireless sensor networks consist of a large number of low-power, short-lived, unreliable sensors. Developing a configuration for sensor sleeping is an effective approach for obtaining a long network...
SCENARIO-BASED GENERATION OF DIGITAL LIBRARY SERVICES (2003)
Prof John, M. Carroll, Prof Roger, W. Ehrich, Copyright Rohit Kelapure
With the enormous amount of information being created digitally or converted to digital formats and made available through Digital Libraries (DLs), there is a strong demand for building tailored DL...
Multiple scattering of surface waves (2003)
Prof John, A. Scales, Prof Roelof, K. Snieder, Prof Michael, ...
Multiple scattering of elastic waves in disordered media offers a complexity of the wave field that is challenging to unravel. The subsurface is an example of a medium with disordered inhomogeneity...
Organisational failures in dependable collaborative enterprise systems (2002)
Dr. Panayiotis Periorellis, Prof John, E. Dobson
In this paper we attempt to classify organizational failures that can occur during the integration process of autonomous systems. The paper reports on ongoing research in the area of systems...
Ruhi Sarikaya, Filter Banks, Prof John, H. L. Hansen
Recognition task) evaluations. � Implementation of existing and formulation of new fast likelihood computation techniques for large vocabulary continuous speech recognition (Gaussian Selection,...
Design of Low Noise, Low Power Linear CMOS Image Sensors (2001)
Pavan Kumar Hanumolu, Prof John, Mcneill Prof, Len Polizzotto, Prof Donald Brown
The implementation of active pixel based image sensors in CMOS technology is becoming increasingly important forproducing imaging systems that can be manufactured with low cost, low power, simple...
Microlocal Analysis Of Wave-Equation Imaging And Generalized-Screen Propagators (2001)
Prof James Mcneil, Prof Maarten, V. Hoop, Prof John, ...
The imaging procedure of reflection seismic data can be generated by an extension of the `double-square-root equation' to heterogeneous media, which yields the process of waveequation imaging....
Prof John, S. Akama, Mr. Kennedy, I. Ondimy, Prof John Akama
strategies for the new millennium
Sedway Group, with George Goldman, Economic Consultants ACKNOWLEDGEMENTS (2000)
Professor Mary, C. Comerio, Prof Mary, C. Comerio, Principal Investigator, Prof Vitelmo Bertero, ...
Many people on the campus helped the research team to assemble the data for this report. Vice Provost Nicholas Jewell was indispensable. In addition we would like to thank all the following:
(98080070) Supervisors: (2000)
Chong Ka Lung, Prof Michael, R. T. Lyu, Prof Ada, W. S. Fu, ...
With the gaining popularity of electronic commerce nowadays, a secure payment system plays a significant role in the Internet. In this report, we propose an Internet payment system which uses a...
Choonhapong Thaiupathump, Prof John, R. Bourne Chair, Prof Arthur, J. Brodersen, Prof Richard, ...
This research was successfully completed thanks to many persons who helped me at various stages. I thank Dr. John Bourne who, as my advisor, coached me through the steps to completion. I thank my...
Preface Panel of Speakers and Chairpersons (1998)
M. H. Repacholi, Original English, M. H. Repacholi, A. M. Muc, M André Beauchamp, Mr Michael Dolan, ...
iii
Automatic Segmentation of Speech Recorded in Unknown Noisy Channel Characteristics (1998)
Bryan Pellom, Prof John, H. L. Hansen
This paper investigates the problem of automatic segmentation of speech recorded in noisy channel corrupted environments. Using an HMM-based speech segmentation algorithm, speech enhancement and...
Likelihood Decision Boundary Estimation Between HMM Pairs in Speech Recognition (1998)
Levent M. Arslan, Prof John, H. L. Hansen
In maximum likelihood estimation of hidden Markov models for speech recognition, the criterion is to maximize the total probability across the training data for a particular speech unit, such as a...
Tools for Parallel I/O and Compute (1998)
Intensive Applications Thse, Vincent Messerli, Prof David Kotz, Prof John, H. Maddocks
Most parallel file systems provide applications with conventional sequential views of files that stripe data transparently across multiple disks thus reducing the bottleneck of relatively slow disk...
Penalty Via Dynamic Control (1998)
Reducing Branch Misprediction, Jason Mou, Lap Fung, Jason Mou, Lap Fung, Prof John, ...
The costs of branch mispredictions severely limit the performance gains from building wider superscalar processors. In this study, we demonstrate that reducing the mispredietion penalty of the...
Bryan L. Pellom, Prof John, H. L. Hansen
There are many situations where non-real-time speech enhancement is required. For such applications, employing any available a priori knowledge can lead to more effective enhancement solutions. In...
SELECTIVE TRAINING FOR HIDDEN MARKOV MODELS with APPLICATIONS to SPEECH CLASSIFICATION (1997)
Levent M. Arslan, Prof John, H. L. Hansen
Traditional maximum likelihood estimation of hidden Markov model parameters aims at maximizing the overall probability across the training tokens of a given speech unit. Therefore, it disregards any...
Feature Analysis and Neural Network based Classification of Speech under Stress (1996)
Brian D. Womack, Prof John, H. L. Hansen
It is well known that the variability in speech production due to task induced stress contributes significantly to loss in speech processing algorithm performance. If an algorithm could be formulated...
A Noninvasive Technique for Detecting Hypernasal Speech Using a Nonlinear Operator (1996)
Douglas A. Cairns, John E. Riski, Prof John
Speakers with a defective velopharyngeal mechanism produce speech with inappropriate nasal resonance (hypernasal speech). It is of clinical interest to detect hypernasality as it is indicative of an...
Douglas A. Cairns, Prof John, H. L. Hansen
The problem of real-time automatic speech recognition in an adverse environment is addressed in this paper. Though much research has been performed in the area of speech recognition, only limited...
Senior Member, Levent M. Arslan, Student Member, Prof John, H. L. Hansen
Research has shown that degrading acoustic background noise influences speech quality across phoneme classes in a non-uniform manner. This results in variable quality performance of many speech...
Robust Estimation of Speech in Noisy Backgrounds Based on Aspects of the Auditory Process (1995)
John Hansen And, Prof John, H. L. Hansen
A new approach to speech enhancement is proposed where constraints based on aspects of the auditory process augment an iterative enhancement framework. The basic enhancement framework is based on a...
Robust Speech Recognition Training via Duration and Spectral Based Stress Token Generation (1995)
It is known that speech recognition performance degrades if systems are not trained and tested under similar speaking conditions. This is particularly true if a speaker is exposed to high demanding...
The Many Faces of Multi-Level Real-Time Scheduling (1995)
Many real-time scheduling algorithms use simplistic sets of assumptions and this limits their applicability in practice [6]. Often, a large real-time system has multiple scheduling algorithms and...
Distributed real-time systems are difficult to construct such that the system behaves predictably. In addition, many of these systems must operate in complex and uncertain environments. We discuss...
ion. A collection of information (data) and a set of operations on that information. Differential Files. A representation of a collection of data as the difference from some point of reference. Used...
Senior Member, Levent M. Arslan, Student Member, Prof John, H. L. Hansen
It is well known that the introduction of acoustic background distortion into speech causes recognition algorithms to fail. In order to improve the environmental robustness of speech recognition in...
Senior Member, Prof John, H. L. Hansen
The use of present day speech recognition techniques in many practical applications has demonstrated the need for improved algorithm formulation under varying acoustical environments. This paper...
Distributed real-time systems are difficult to construct such that the system behaves predictably. In addition, many of these systems must operate in complex and uncertain environments. We discuss...
John Hansen Senior, Mark A. Clements, Senior Member, Senior Member, Prof John, ...
Studies have shown that depending on speaker task and environmental conditions, recognizers are sensitive to noisy stressful environments. The focus of this study is to achieve robust recognition in...
Major Real-Time Challenges For Mechatronic Systems (1993)
Invited Paper Prof, Prof John, A. Stankovic
this paper are discussed in terms of the grand challenge of truly cognitive robots, they also apply to much simpler real-time mechatronic systems. 2 Real-Time Challenges
Real-Time Kernel Interfaces (1993)
ghest priority. However, because the priority mechanism is in the interface of a black box kernel, the policy module must first issue a system call to remove the previous task, and then two more...
e highest priority. However, because the priority mechanism is in the interface of a black box kernel, the policy module must first issue a system call to remove the previous task, and then two more...
The Integration of Scheduling and Fault Tolerance in Real-Time Systems (1992)
Prof John, John A. Stankovic, Fuxing Wang
Introduction Next generation, mission critical systems will require greater flexibility, predictability, and reliability than is commonly found in today's systems [17]. While many advances are...
Prof John, W. Lockwood, On Bloget, Scott Mcmillan, Prasanna Sundararajan, Philip James-roxby, ...
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