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Computer Engineering

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Selected Works

Articles 61 - 85 of 85

Full-Text Articles in Engineering

Wind Gusts, Christopher Roman May 2003

Wind Gusts, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).

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Waves And Current, Christopher Roman Mar 2003

Waves And Current, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).

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The Mysterious Marine Layer, Christopher Roman Jan 2003

The Mysterious Marine Layer, Christopher Roman

Christopher N. Roman

Article that appeared in Sail magazine (ISSN: 0036-2700).

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The Seabed Auv — A Platform For High Resolution Imaging, Hanumant Singh, Ryan Eustice, Christopher Roman, Oscar Pizarro Aug 2002

The Seabed Auv — A Platform For High Resolution Imaging, Hanumant Singh, Ryan Eustice, Christopher Roman, Oscar Pizarro

Christopher N. Roman

No abstract provided.

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Multiscalar, Multisensor Search And Survey With Hovering Auvs, Christopher Roman, Hanumant Singh Apr 2002

Multiscalar, Multisensor Search And Survey With Hovering Auvs, Christopher Roman, Hanumant Singh

Christopher N. Roman

No abstract provided.

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Transparent Fault Tolerance For Web Services Based Architectures, Vijay Dialani, Simon Miles, Luc Moreau, David De Roure, Michael Luck Dec 2001

Transparent Fault Tolerance For Web Services Based Architectures, Vijay Dialani, Simon Miles, Luc Moreau, David De Roure, Michael Luck

Vijay Dialani

Service-based architectures enable the development of new classes of Grid and distributed applications. One of the main capabilities provided by such systems is the dynamic and flexible integration of services, according to which services are allowed to be a part of more than one distributed system and simultaneously serve different applications. This increased flexibility in system composition makes it difficult to address classical distributed system issues such as fault-tolerance. While it is relatively easy to make an individual service fault-tolerant, improving fault-tolerance of services collaborating in multiple application scenarios is a challenging task. In this paper, we look at the …

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Uwit: Underwater Image Toolbox And Mosaicking In Matlab, R. Eustice, O. Pizarro, C. Roman, H. Singh Nov 2001

Uwit: Underwater Image Toolbox And Mosaicking In Matlab, R. Eustice, O. Pizarro, C. Roman, H. Singh

Christopher N. Roman

No abstract provided.

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A Short Summary Of Seabed And Some Data Highlights, H. Singh, R. Eustice, C. Roman, O. Pizarro, N. Mcphee Nov 2001

A Short Summary Of Seabed And Some Data Highlights, H. Singh, R. Eustice, C. Roman, O. Pizarro, N. Mcphee

Christopher N. Roman

No abstract provided.

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Estimation Of Error In Large Area Underwater Photomosaics Using Vehicle Navigation Data, C. Roman, H. Singh Oct 2001

Estimation Of Error In Large Area Underwater Photomosaics Using Vehicle Navigation Data, C. Roman, H. Singh

Christopher N. Roman

Creating geometrically accurate photomosaics of underwater sites using images collected from an AUV or ROV is a difficult task due to dimensional errors which grow as a function of 3D image distortion and the mosaicking process. Although photomosiacs are accurate locally their utility for accurately representing a large survey area is jeopardized by this error growth. Evaluating the error in a mosaic is the first step in creating globally accurate photomosaics of an unstructured environment with bounded error. Using vehicle navigation data and sensor offsets it is possible to estimate the error present in large area photomosaics independent of the …

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Configuring Client Software Using Remote Notification Us:6219698, Robert Iannucci, Chris Weikart Dec 2000

Configuring Client Software Using Remote Notification Us:6219698, Robert Iannucci, Chris Weikart

Robert A Iannucci

No abstract provided.

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A New Autonomous Underwater Vehicle For Imaging Research, C. Roman, O. Pizarro, R. Eustice, H. Singh Aug 2000

A New Autonomous Underwater Vehicle For Imaging Research, C. Roman, O. Pizarro, R. Eustice, H. Singh

Christopher N. Roman

Currently, unmanned underwater vehicles either tend to be cumbersome and complex to run, or operationally simple, but not quite suitable platforms for deep water imaging. This paper presents an alternative design in the form of a new low cost and easier to use autonomous underwater vehicle (AUV) for imaging research. The objective of the vehicle is to serve as a readily available and operationally simple tool that allows rapid testing of imaging algorithms in areas such as photomosaicking, 3D image reconstruction from a single camera, image based navigation, and multi-sensor fusion of bathymetry and optical data. These are all current …

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Modeling For E-Service Creation, Cécile Péraire, Derek Coleman Jun 2000

Modeling For E-Service Creation, Cécile Péraire, Derek Coleman

Cécile Péraire

No abstract provided.

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Advances In Fusion Of High Resolution Underwater Optical And Acoustic Data, H. Singh, C. Roman, L. Whitcomb, D. Yoerger Apr 2000

Advances In Fusion Of High Resolution Underwater Optical And Acoustic Data, H. Singh, C. Roman, L. Whitcomb, D. Yoerger

Christopher N. Roman

We report efforts to merge data from the complementary modalities of optical and acoustic sensing for obtaining more accurate representations of the seafloor. We show that the principal obstacles to merging the acoustic and optical imaging modalities are the distortions inherent to each modality. The construction of geometrically accurate photomosaics is dominated by incremental errors arising as individual images are scaled and warped to form the photomosaic. For microbathymetric mapping, principal errors arise from sensor position and orientation calibration parameters that affect our ability to construct maps from sonar data that are commensurate with sensor and navigation resolution. We show …

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Modeling E-Service Based Systems, Cécile Péraire Mar 2000

Modeling E-Service Based Systems, Cécile Péraire

Cécile Péraire

No abstract provided.

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Formal Testing Of Object-Oriented Software: From The Method To The Tool, Cécile Péraire Jul 1999

Formal Testing Of Object-Oriented Software: From The Method To The Tool, Cécile Péraire

Cécile Péraire

No abstract provided.

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Computer System For Simulating Physical Processes Using Multiple Integer State Vectors Us:5594671, Hudong Chen, Peter Churchill, Robert Iannucci, Kim Molvig, Gregory Papadopoulos, Stephen Remondi, Christopher Teixeira, Kenneth Traub Dec 1996

Computer System For Simulating Physical Processes Using Multiple Integer State Vectors Us:5594671, Hudong Chen, Peter Churchill, Robert Iannucci, Kim Molvig, Gregory Papadopoulos, Stephen Remondi, Christopher Teixeira, Kenneth Traub

Robert A Iannucci

No abstract provided.

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System For Synchronizing Execution By A Processing Element Of Threads Within A Process Using A State Indicator Us:5553305, Robert Iannucci, Steven Gregor Dec 1995

System For Synchronizing Execution By A Processing Element Of Threads Within A Process Using A State Indicator Us:5553305, Robert Iannucci, Steven Gregor

Robert A Iannucci

No abstract provided.

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Two Approaches In Scanner Printer Calibration: Colorimetric Space-Based Vs. Closed-Loop, V. Ostromoukhov, R.D. Hersh, C. Péraire, P. Emmel, I. Amidror Jan 1994

Two Approaches In Scanner Printer Calibration: Colorimetric Space-Based Vs. Closed-Loop, V. Ostromoukhov, R.D. Hersh, C. Péraire, P. Emmel, I. Amidror

Cécile Péraire

No abstract provided.

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Multithreaded Computer Architecture: A Summary Of The State Of The Art, Robert Iannucci, Guang Gao, Robert Halstead, Burton Smith Dec 1993

Multithreaded Computer Architecture: A Summary Of The State Of The Art, Robert Iannucci, Guang Gao, Robert Halstead, Burton Smith

Robert A Iannucci

No abstract provided.

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Scanner To Printer Color Calibration (Title Translated From French), Cécile Péraire Dec 1992

Scanner To Printer Color Calibration (Title Translated From French), Cécile Péraire

Cécile Péraire

No abstract provided.

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High Performance Memory System Pct:Ep0199134, Robert Iannucci Dec 1991

High Performance Memory System Pct:Ep0199134, Robert Iannucci

Robert A Iannucci

No abstract provided.

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Parallel Machines: Parallel Machine Languages, Robert Iannucci Dec 1989

Parallel Machines: Parallel Machine Languages, Robert Iannucci

Robert A Iannucci

No abstract provided.

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Method And Apparatus For Division Pct:Ep0075745, Robert Iannucci, James Kleinsteiber Dec 1986

Method And Apparatus For Division Pct:Ep0075745, Robert Iannucci, James Kleinsteiber

Robert A Iannucci

No abstract provided.

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High Performance Memory System Utilizing Pipelining Techniques Us:4685088, Robert Iannucci Dec 1986

High Performance Memory System Utilizing Pipelining Techniques Us:4685088, Robert Iannucci

Robert A Iannucci

No abstract provided.

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Method And Apparatus For Division Employing Associative Memory Us:4466077, Robert Iannucci, James Kleinsteiber Dec 1983

Method And Apparatus For Division Employing Associative Memory Us:4466077, Robert Iannucci, James Kleinsteiber

Robert A Iannucci

No abstract provided.

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