Storming Media: Pentagon Reports and DocumentsPentagon Reports: Fast. Definitive. Complete.     
New Account »
Forgot Password?
Advanced Search »

Newsletter
Unsubscribe »
Reports by Keyword(s)OPTICAL IMAGES
Total Results: 1411 Pages: Previous [1] 2 3 4 5 6 7 8 9 10 11 Next Results per page:
Sort by: Title Date Desc Pages Display:
The California Central Coast Research Partnership: Building Relationships, Partnerships, and Paradigms for University-Industry Research Collaboration 18-Dec-2009
Authors:  M Black; C Clark; T Cardinal; G Bekey; J Bellardo; S Barjami; K Abney; S Opava; D Derickson; D Clague; CALIFORNIA POLYTECHNIC STATE UNIV SAN LUIS OBISPO
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The primary purpose of tins project is to carry out applied research and development projects and build research capacity in areas of interest to the Department of Defense and the Office of Naval Research. Research areas include communications, computing, command and control, sensors, coastal monitoring, force protection and performance, bio- and chemical-hazard detection and mitigation, vulnerability assessment, new materials and devices, data acquisition, optical and radar imaging, autonomous vehicles and ...


Noninvasive Imaging of Heterotopic Ossification and Targeted Intervention Sep-2009 14 pages
Authors:  Shi Ke; BAYLOR COLL OF MEDICINE HOUSTON TX
The full text of this report is available for sale.Heterotopic bone can form in muscle or other soft tissue that is adjacent to a fracture, blast wound, or amputation injury. This condition causes severe pain and disability. Chemokine-directed stem cell homing is an important early stage of heterotopic bone formation. CXCR4 is the most important chemokine in this procedure. Noninvasive evaluation of CXCR4 status is important for early diagnosis and treatment. We have synthesized peptide-based CXCR4 imaging agents and ...


Optic Flow for Enhanced Navigation and Seeker Exploitation (OFFENSE) Mar-2009 4 pages
Authors:  Jimmy E Touma; AIR FORCE RESEARCH LAB EGLIN AFB FL MUNITIONS DIRECTORATE
The full text of this report is available for sale.Modern navigation systems rely heavily on the Global Positioning System (GPS) to correct inertial measurement unit (IMU) error drifts. However, due to unreliability og GPS in certain scenarios, there is a great desire to create an inexpensive navigation solution to augment GPS based navigation. Vision-aided navigation is such a solution where information from captured imagery can supplement inexpensive on-board IMUs in bounding navigational errors that arise from IMU drifts. Optical ...


Infrared Spectroscopic Imaging for Prostate Pathology Practice Mar-2009 57 pages
Authors:  Rohit Bhargava; ILLINOIS UNIV CHAMPAIGN
The full text of this report is available for sale.The report summarizes progress towards using Fourier transform infrared spectroscopic imaging for prostate pathology in year 2 of a 3 year award from the PCRP. The aim of the work is to enable histopathologic recognition without the use of human input or stains. The major accomplishments in the past year are: 1) A genetic algorithm based method to distinguish benign from malignant epithelium using infrared spectroscopic imaging data was shown ...


Development of a Multi-Scale Methodology for Prediction of the Microscopic Anisotropic Stress-Strain Response of Textured Metals under Dynamic Loading 21-Jan-2009 69 pages
Authors:  Oana Cazacu; FLORIDA UNIV SHALIMAR DEPT OF MECHANICAL AND AEROSPACE ENGINEERING
The full text of this report is available for sale.This report documents a comprehensive experimental and theoretical investigation of the deformation behavior of high-purity, polycrystalline alpha-titanium. A series of monotonic uniaxial compression and tension tests were carried out at room temperature under quasi-static conditions to quantify the plastic anisotropy and the tension-compression asymmetry of this material. The evolution of microstructure and texture during deformation was studied using optical image microscopy (OIM) and neutron-diffraction techniques to elucidate the role of ...


Imaging With Magnification Test Procedure 01-Sep-2008 18 pages
Authors:  Michael J Ferry; Shensky; William III; Andrew G Mott; ARMY RESEARCH LAB ADELPHI MD SENSORS AND ELECTRON DEVICES DIRECTORATE
The full text of this report is available for sale.Although modern cameras have advanced to the point where pixel size approaches 4 microns, we have yet to achieve the submicron size necessary to accurately resolve focused laser beams. Present methods such as pinhole scans and knife edge scans assume spatial wave forms to fit the transmission, and those assumptions may be erroneous. This technical note details a method of imaging with calibrated magnification and commercial laser beam profiling software ...


LIDAR Design for Space Situational Awareness 01-Sep-2008 97 pages
Authors:  David Gast; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.Space Situational Awareness (SSA) is a growing concern for National Security Among the many methods of increasing SSA is the use of space-based Laser Imaging, Detection And Ranging (LIDAR) sensors to detect, track, classify or image other spacecraft. This Thesis explores the unique trade-spaces and design decisions faced by an engineer designing such a system. It provides an overview of the basic operational principles, the major components, the impact of ...


Evolution of a Benthic Imaging System From a Towed Camera to an Automated Habitat Characterization System Sep-2008
Authors:  Richard Taylor; Jonathan Howland; Scott Gallager; Norman Vine; Amber York; Steve Lerner; Dvora Hart; Lakshman Prasad; Larry Mayer; WOODS HOLE OCEANOGRAPHIC INSTITUTION MA
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.We have an operational and practical digital imaging system that delivers high resolution overlapping still images to a computer system on the bridge of a commercial scallop fishing vessel for immediate viewing, storage, and onboard image processing. This system produces 100 nautical mile long optical transects of benthic taxa, communities, and associated substrate each day. It is intended to provide fisheries managers with accurate scallop population density estimates and habitat ...


Nanotechnology-Enabled Optical Molecular Imaging of Breast Cancer Jul-2008 93 pages
Authors:  Rebekah Drezek; RICE UNIV HOUSTON TX
The full text of this report is available for sale.This project focuses on development of nanotechnology-enabled optical molecular imaging technologies for applications in breast cancer diagnosis and monitoring of therapeutic response. The project consists of two major efforts: (1) optical instrumentation technology development and (2) development of complementary engineered nanomaterials for use in conjunction with the instrumentation created to provide molecular specificity. A particularly significant effort is underway to develop needle-compatible fiber optic probes to enable in vivo imaging ...


A Partnership Training Program in Breast Cancer Research Using Molecular Imaging Techniques Jul-2008 113 pages
Authors:  Paul C Wang; HOWARD UNIV WASHINGTON DC
The full text of this report is available for sale.In the third year, Howard faculty from Departments of Biology, Radiology, and Radiation Oncology at Howard University were further trained in molecular imaging through seminars and workshops, and by conducting two research projects with the faculty at the Johns Hopkins University. We have established three breast cancer tumor models, and further optimized the imaging probes for MRI and fluorescent optical imaging of breast cancers. We have determined how the interactions ...


Concurrent MR-NIR Imaging for Breast Cancer Diagnosis 01-Jun-2008 71 pages
Authors:  Birsen Yazici; RENSSELAER POLYTECHNIC INST TROY NY
The full text of this report is available for sale.The primary objective of this research program is to investigate concurrent near infrared (NIR) optical and magnetic resonance (MR) imaging for breast cancer diagnosis. The NIR diffuse optical imaging offers novel criteria for cancer differentiation with the ability to measure (in vivo) oxygenation and vascularization state, the uptake and release of contrast agents and chromophore concentrations with high sensitivity. However, NIR diffuse optical tomography is inherently a low spatial resolution ...


European Conferences on Biomedical Optics. Held in Munich, Germany on 17-21 June 2007 08-May-2008 45 pages
Authors:  Eugene Arthurs; Marilyn Gorsuch; SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS BELLINGHAM WA
The full text of this report is available for sale.ECBO 2007 was the most successful event held to date. There were a total of 537 attendees from around the world. Job functions ranged from R&D: applied research, basic research, product development; to engineering and design, student, and educator. Subjects explored in depth included molecular imaging, optical coherence tomography, diagnostic optical spectroscopy, diffuse optical imaging, confocal, multiphoton, and nonlinear microscopic imaging, novel optical instrumentation, therapeutic laser applications, and bio-photonics in ...


Optical Imaging of the Nearshore 20 MAR 2008 6 pages
Authors:  Robert A. Holman; OREGON STATE UNIV CORVALLIS COLL OF OCEANIC AND ATMOSPHERIC SCIENCES
The full text of this report is available for sale.This grant supported a variety of studies in the area of littoral processes typically as revealed by the optical remote sensing data of the Argus Program. One principle theme was me development of algorithms for estimating relevant geophysical variables such as longshore currents and wave directional spectra from ground-based optical cameras. The second theme was the study of observed nearshore physics. Much of the latter work focused on the morpho-dynamics ...


Forecasting Coastal Optical Properties using Ocean Color and Coastal Circulation Models 01 FEB 2008 9 pages
Authors:  Robert A. Arnone; Brandon J. Casey; Dong S. Ko; Peter M. Flynn; L. Carrolo; Sherwin Ladner; NAVAL RESEARCH LAB STENNIS SPACE CENTER MS OCEANOGRAPHY DIV
The full text of this report is available for sale.Coupling the 3-D ocean optical imagery with 3-D circulation models provides a new capability to understand coastal processes. Particle distribution derived from ocean color optical properties were coupled with numerical circulation models to determine a 24 hour forecast of particle concentrations. A 3-D particle concentration field for the coastal ocean was created by extending the surface satellite bio-optical properties vertically by parameterzing an expediential Gaussian depth profile. The shape of ...


Evaluation of the Iterative Method for Image Background Removal in Astronomical Images FEB 2008
Authors:  Martin P. Levesque; Mario Lelievre; DEFENCE RESEARCH AND DEVELOPMENT CANADA VALCARTIER (QUEBEC)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.For surveillance of space purposes, algorithms were developed to automatically detect satellite streaks in astronomical images (Ref. 2 and 3). However, the performances of the algorithms for the background removal were not tested. This technical note contains a short analysis that proves that image backgrounds are adequately removed with the algorithms described in Ref. 2. It also contains an algorithm variation that makes it more reliable. The analysis of image ...


An Unbiased Quantitative Method for Assessing Alterations in Microtubule-Associated Protein 2 (MAP-2) Immunostaining Feb-2008 34 pages
Authors:  Tracey A Hamilton; Robert K Kan; Christina P Tompkins; Denise M Kniffin; ARMY MEDICAL RESEARCH INST OF CHEMICAL DEFENSE ABERDEEN PROVING GROUND MD
The full text of this report is available for sale.The present study evaluated the use of computer-assisted image analysis for investigating the temporal alterations in microtubule-associated protein 2 (MAP-2) immunoreactivity in the piriform cortex following acute soman intoxication. Brain samples harvested at various time points after the onset of soman-induced seizures were immunostained with MAP-2 antibody. Color digital images captured with a color digital camera were converted to grayscale images and enhanced to identify the areas of MAP-2 immunoreactivity ...


Experimental Elastic Deformation Characterization of a Flapping-Wing MAV Using Visual Image Correlation NOV 2007 18 pages
Authors:  Kelly Stewart; Roberto Albertani; AIR FORCE RESEARCH LAB EGLIN AFB FL MUNITIONS DIRECTORATE
The full text of this report is available for sale.This presentation will detail AFRL/RW's collaboration with the University of Florida to derive a method for estimating elastic deformation in flexible, flapping wings. By knowing the elastic deformation that occurs, researchers can better understand the mechanics and aerodynamic effects behind flexible, flapping wings and apply that knowledge to various design aspects of micro air vehicles (MAV's) such as wing structure, guidance and control, etc.


Viscoelastic Characterization of Aliphatic Polyurethane Interlayers OCT 2007 36 pages
Authors:  Neil MacAloney; Andres Bujanda; Robert Jensen; Nakhiah Goulbourne; VIRGINIA POLYTECHNIC INST AND STATE UNIV BLACKSBURG
The full text of this report is available for sale.The viscoelastic properties of several commercially available aliphatic thermoplastic polyurethanes were characterized. Differential scanning calorimetry showed that for Deerfield 4700, Inter Materials IM 800, IM 800A, IM 1600, and IM 2500, there is a permanent physical change that occurs during heating. Dynamic mechanical analysis and shear rheometry were used to generate elastic and shear modulus master curves in the frequency domain for Inter Materials IM 800 A. The Williams-Landel-Ferry constants ...


A Partnership Training Program in Breast Cancer Research Using Molecular Imaging Techniques JUL 2007 55 pages
Authors:  Paul C. Wang; HOWARD UNIV WASHINGTON DC
The full text of this report is available for sale.In the second year five faculty members and a research assistant were further trained in molecular imaging of breast cancer through seminars and workshops and are currently conducting two research projects with the faculty at Johns Hopkins University. We have perfected the technique of constructing a dual imaging probe for MRI and fluorescent imaging by linkage of near-infrared fluorescently labeled transferring on the surface of contrast agent encapsulated cationic liposomes. ...


Combined MR and Optical Imaging System for Noninvasive Tumor Characterization and Quantification of Oxygenation Gain Factor in a Breast Cancer Animal Model JUN 2007 25 pages
Authors:  Roshanak Shafiiha; CALIFORNIA UNIV IRVINE
The full text of this report is available for sale.This study proposes to modify and improve an existing MR-compatible optical tomography system that is used for non-invasive tumor characterization and provides higher sensitivity and specificity for cancer imaging. The proposed research will conduct animal studies to evaluate the system's performance in distinguishing malignant from benign tumors in vivo. Additional experiments will be designed to assess the method's sensitivity to quantifying oxygenation gain factor in breast tumors. This investigation will ...


Calibration and Compensation of Instrumental Errors in Imaging Polarimeters 01 APR 2007 62 pages
Authors:  J. S. Tyo; Majeed M. Hayat; NEW MEXICO UNIV ALBUQUERQUE DEPT OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE
The full text of this report is available for sale.The measurement and exploitation of polarization information has become a high priority in a variety of Air Force and DoD remote sensing missions. Polarization provides a useful dimension of information that helps to characterize shape and surface characteristics of interesting targets in optical imagery from the UV through the LWIR and beyond. There are a number of ongoing efforts that are developing specific instruments to quantitatively measure polarization information across ...


All Source Adaptive Fusion for Aided Navigation in Non-GPS Environment APR 2007
Authors:  Timothy J. Klausutis; Ric Wehling; Matthew Lames; Omar Aboutalib; Bruce Awalt; Alex Fund; Bea Thai; Jeremy Leibs; NORTHROP GRUMMAN CORP EL SEGUNDO CA INTEGRATED SYSTEMS
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.An innovative approach for navigation in non-GPS environment is presented based on all source adaptive fusion of any available information encompassing passive imaging data, digital elevation terrain data, IMU/GPS, altimeters, and star tracker. The approach provides continuous navigation through non-GPS environment and yields an improved navigation in the presence of GPS. The approach also provides reduced target location error and moving target indication.


Time-Resolved and Spectroscopic Three-Dimensional Optical Breast Tomography APR 2007 36 pages
Authors:  Robert R. Alfano; STATE UNIV OF NEW YORK
The full text of this report is available for sale.The research carried out during the current reporting period included: (a) Use of optical tomographic imaging using independent component analysis (OPTICA) developed during the first reporting period to image targets in ex vivo breast tissue specimens, (b) Extension of OPTICA for obtaining cross sectional image of targets in turbid media, (c) (d) Development of a forward model for scattered light intensity distribution in the backscattering geometry; and (e) Development of ...


Novel Image Quality Control Systems(Add-On). Innovative Computational Methods for Inverse Problems in Optical and SAR Imaging 28 FEB 2007 35 pages
Authors:  Robert J. Plemmons; WAKE FOREST UNIV WINSTON-SALEM NC
The full text of this report is available for sale.The objectives of this project were to conduct rigorous mathematical and computational research on inverse problems in optical imaging of direct interest to the Army and also the intelligence agencies. Research problems included research on integrated optical systems design, array imaging, and related technologies. Our technique of combining optical/electronic hardware with digital processing is associated with our work on Pupil-Phase Engineering (PPE), for which we have a patent pending. The ...


Adaptive Optoelectronic Eyes: Hybrid Sensor/Processor Architectures 13 NOV 2006 126 pages
Authors:  Jr. Tanguay Armand R.; B. K. Jenkins; Christoph von der Malsburg; Bartlett Mel; Irving Biederman; John O'Brien; Anupam Madhukar; UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES
The full text of this report is available for sale.The goal of this research program was to develop novel algorithms, architectures, and hardware for a truly smart camera, with inherent capability for semi-autonomous object recognition as well as optimal image capture. In this research, we combined striking advances in the understanding of the mechanisms of biological vision systems with similar advances in hybrid electronic/photonic packaging technology, in order to develop adaptive, artificial, biologically-inspired vision systems. A key research program ...


Optical and SAR Ground Segment Integration - An Italian Experience 01 AUG 2006 25 pages
Authors:  Roberto Trolese; Fabrizio Aiello; CENTRO INTERFORZE TELERILEVAMENTO SATELLITARE POMEZIA (ITALY)
The full text of this report is available for sale.In 1994 the Italian Ground Segment for the Treatment of Optical Imaging (Joint Remote Sensing Ground Centre -- Centro Interforze Telerilevamento Satellitare) was built inside the air base of Pratica di Mare near Rome. C.I.T.S. was created to receive, store and analyse the Helios 1 imagery data. In 2002 the Italian military added access to Helios 2 satellites. One year later the Chief of Defence decided to realize the new ...


Refining Functional Optical Imaging of the Breast with Quantum Dots AUG 2006 12 pages
Authors:  SCRIPPS INSTITUTION OF OCEANOGRAPHY LA JOLLA CA
The full text of this report is available for sale.The Quantum Dot Corporation has recently completed the development of a QD which emits in the near infrared (NIR): QD 705 Streptavidin Conjugate, which can be excited at 633 nm. One step towards using QDs as a functional imaging agent were realized by linking them to immunoglobulin G and Streptavidin where it was demonstrated that the QDs could be used to label the breast cancer marker Her2 on the surface ...


Some Human Factors Considerations for Designing Mixed Reality Interfaces 01 JUN 2006 15 pages
Authors:  Paul Milgram; TORONTO UNIV (ONTARIO) DEPT OF MECHANICAL ENGINEERING
The full text of this report is available for sale.Mixed Reality (MR) refers to the general case of combining images along a continuum which ranges from purely real (unmodelled) data, such as raw video images, to completely virtual images, based on modelled environments. Depending on where a particular display mode lies on the reality-virtuality continuum, MR encompasses the case of Augmented Reality (AR), as well as the case of Augmented Virtuality (AV). In designing human-machine interfaces for mixed reality ...


Optical Imaging of Mammaglobin Expression in Breast Cancer MAY 2006 34 pages
Authors:  Samuel Achilefu; WASHINGTON UNIV ST LOUIS MO SCHOOL OF MEDICINE
The full text of this report is available for sale.Mammaglobin (MMG) is a breast-specific glycoprotein that is over-expressed in nearly 80% of primary and metastatic breast cancers. The exact biological function of this secreted protein is not known. An important step towards understanding the role of MMG in breast carcinogenesis is to monitor its expression in MMG-expressing tumors. Toward these goals, we prepared 4 truncated MMG peptide analogues, seven MMG-avid peptides, native MMG, and anti-MMG antibodies. These molecules were ...


Bisphosphonate-Based Contrast Agents for Radiological Imaging of Microcalcifications MAR 2006 10 pages
Authors:  Matthew R. Palmer; BETH ISRAEL DEACONESS MEDICAL CENTER BOSTON MA
The full text of this report is available for sale.An optical imaging system was developed to allow the visualization of novel NIR-tagged radiological contrast agents. A fluorophore-tagged ligand based on alendronate sodium was developed and tested in mice. The system showed strong affinity for physiological calcium and could be further developed as a radiological contrast agent for x-ray mammography.


Evaluation of the Microvision Spectrum SD2500 Helmet-Mounted Display for the Air Warrior Block 3 Day/Night HMD Program MAR 2006 24 pages
Authors:  Clarence E. Rash; Thomas H. Harding; J. S. Martin; Howard H. Beasley; ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL
The full text of this report is available for sale.The Microvision Spectrum SD2500 HMD, a monocular, full-color scanning laser display, display, was evaluated for optical image quality. The data indicated compliance with spectral integrity, field curvature, refresh rate, luminance uniformity, distortion and exit pupil size specifications. However, the contrast transfer function and the modulation transfer function clearly showed that the system had insignificant modulation at the Nyquist frequency. The trapezoidal shaped field-of-view was determined to be noncompliant, and the ...


Study of Potiential Spacecraft Target Near-Earth Asteroids FEB 2006 12 pages
Authors:  ARIZONA UNIV TUCSON
The full text of this report is available for sale.


Molecular Engineering of Vector-Based Oncolytic and Imaging Approaches for Advanced Prostate Cancer FEB 2006 26 pages
Authors:  Lily Wu; CALIFORNIA UNIV LOS ANGELES
The full text of this report is available for sale.Hormone refractory and metastatic prostate cancer are not well understood. Better animal models, diagnostic and treatment modalities are sorely needed for these advanced stages of disease. We have coupled non-invasive optical imaging to develop metastatic prostate cancer animal models, and vector-based diagnostic and therapeutic approaches. A highly potent and prostate-specific transcriptional regulatory system (TSTA) has been utilized to restrict the expression of our adenoviral vector specifically to prostate or prostate ...


Internal Solitons in the Oceans JAN 2006
Authors:  John R. Apel; Lev A. Ostrovsky; Yury A. Stepanyants; James F. Lynch; WOODS HOLE OCEANOGRAPHIC INSTITUTION MA
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Nonlinear internal waves in the ocean are discussed (a) from the standpoint of soliton theory and (b) from the viewpoint of experimental measurements. First, theoretical models for internal solitary waves in the ocean are briefly described. Various nonlinear analytical solutions are treated, commencing with the well-known Boussinesq and Korteweg-de Vries equations. Then certain generalizations are considered, including effects of cubic nonlinearity, Earth's rotation, cylindrical divergence, dissipation, shear flows, and others. ...


Image Based Tracking System JAN 2006 60 pages
Authors:  AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH HUMAN EFFECTIVENESS DIRECTORATE
The full text of this report is available for sale.


Magdalena Ridge Observatory Interferometer: Status Update 2006 13 pages
Authors:  M. J. Creech-Eakman; E. J. Bakker; D. F. Buscher; T. A. Coleman; C. A. Haniff; C. A. Jurgenson; III Klinglesmith D. A.; C. B. Parameswariah; V. D. Romero; A. V. Shtromberg; J. S. Young; NEW MEXICO INST OF MINING AND TECHNOLOGY SOCORRO
The full text of this report is available for sale.The Magdalena Ridge Observatory Interferometer (MROI) is a ten element optical and near-infrared imaging interferometer being built in the Magdalena mountains west of Socorro, NM at an altitude of 3230 m. The interferometer is being designed and built by a collaboration which includes the New Mexico Institute of Mining and Technology (NMT) as the prime contractor and center for the technical team, and the University of Cambridge, Physics Department at ...


Modeling Laser Effects on Imaging Spacecraft using the SSM 2006 11 pages
Authors:  Patrick Buehler; Joshua Smith; BALL AEROSPACE AND TECHNOLOGIES CORP ALBUQUERQUE NM SYSTEMS ENGINEERING OPERATIONS
The full text of this report is available for sale.The Satellite Survivability Module (SSM) is an end-to-end, physics-based, performance prediction model for directed energy engagement of orbiting spacecraft. Two engagement types are currently supported: laser engagement of the focal plane array of an imaging spacecraft and Radio Frequency (RF) engagement of spacecraft components. For laser engagements, the user creates a spacecraft, its optical system, any protection techniques used by the optical system, a laser threat, and an atmosphere through ...


Using Cognitive Task Analysis and Eye Tracking to Understand Imagery Analysis 2006 5 pages
Authors:  Laura Kurland; Abigail Gertner; Tom Bartee; Michael Chisholm; Scott McQuade; MITRE CORP BEDFORD MA
The full text of this report is available for sale.The National Geospatial-Intelligence Agency (NGA) is the national-level producer of Geospatial Intelligence, serving both policy makers and DoD elements. One core task of Geospatial Intelligence Analysts is to develop intelligence through the exploitation of imagery (including overhead, airborne, and video sources), with geospatial data and additional intelligence sources supporting the analysis process. Currently there is a gap between the exploitation and analysis capabilities of senior analysts and incoming junior analysts. ...


Wavelet-Based Blind Superresolution from Video Sequence and in MRI 31 DEC 2005 66 pages
Authors:  N. K. Bose; PENNSYLVANIA STATE UNIV UNIVERSITY PARK OFFICE OF SPONSORED PROGRAMS
The full text of this report is available for sale.The first contribution of this research is the development of a mathematical framework for deployment of second-generation wavelets for image superresolution. Second, the Biggs-Andrews multichannel iterative blind deconvolution (IBD) algorithm is modified to include the blur support estimation module. Then the asymmetry factor for the Richardson-Lucy update-based IBD algorithm is calculated. Simulations conducted on real-world and synthetic images confirm the importance of accurate support estimation in the blind superresolution problem. ...


Environmental Assessment: Proposed Armament Overhaul and Test Facility, Hill Air Force Base, Utah 12 DEC 2005 37 pages
Authors:  Randal K. Winn; STREAMLINE CONSULTING LLC FARMINGTON UT
The full text of this report is available for sale.Hill AFB proposes to construct an armament overhaul and test facility. This facility would eliminate batching, minimize component travel time, and reduce work in process. USAF managers propose to implement technological advancements in fired round collection and laser image projection systems to more accurately determine pattern disbursement and acceleration rates. More accurate initial tests would decrease retesting requirements. The proposed action and the no action alternative were both considered in ...


Using Apparent Contrast as a Surf Zone Index NOV 2005 18 pages
Authors:  G. D. Gilbert; SPACE AND NAVAL WARFARE SYSTEMS CENTER SAN DIEGO CA
The full text of this report is available for sale.This document gives a logical outline of how the concept of Apparent Contrast can be adapted to serve as a Surf Zone Index (SZI). The resulting SZI may then be used to assess the potential mine detection performance of an arbitrary Electro-Optical Sensor in an arbitrary Surf Zone. This paper is intended to be the first in a series of papers that will get increasingly more sophisticated moving from irradiance ...


Molecular Engineering of Vector-Based Oncolytic and Imaging Approaches for Advanced Prostate Cancer 28 SEP 2005 40 pages
Authors:  Lily Wu; CALIFORNIA UNIV LOS ANGELES
The full text of this report is available for sale.Hormone refractory and metastatic prostate cancer are not well understood. Better animal models, diagnostic and treatment modalities are sorely needed for these advanced stages of disease. We have coupled non-invasive optical imaging to develop metastatic prostate cancer animal models, and vector-based diagnostic and therapeutic approaches. A highly potent and prostate-specific transcriptional regulatory system (TSTA) has been utilized to restrict the expression of our adenoviral vector specifically to prostate or prostate ...


On the Origins of Solar EIT Waves 20 SEP 2005 9 pages
Authors:  E. W. Cliver; M. Laurenza; M. Storini; B. J. Thompson; AIR FORCE RESEARCH LAB HANSCOM AFB MA SPACE VEHICLES DIRECTORATE
The full text of this report is available for sale.Approximately half of the large-scale coronal waves identified in images obtained by the Extreme-Ultraviolet Imaging Telescope (EIT) on the Solar and Heliospheric Observatory from 1997 March to 1998 June were associated with small solar flares with soft X-ray intensities below C class. The probability of a given flare of this intensity having an associated EIT wave is low. For example, of ~8,000 B-class flares occurring during this 15 month period, ...


A Review of Membrane Optics Research 31 AUG 2005 12 pages
Authors:  James M. Wilkes; Dan K. Marker; AIR FORCE RESEARCH LAB KIRTLAND AFB NMDIRECTED ENERGY DIRECTORATE
The full text of this report is available for sale.This report is a compendium of work on optical quality membranes performed by researchers of the Air Force Research Laboratory, Directed Energy Directorate at Kirtland Air Force Base, New Mexico during the period 1997-2004. It also includes work carried out under contractual agreements between AFRL/DE and its contractors. The intent is to provide in one location what is, to our knowledge, the most complete collection to date of references and ...


Optical Imaging Provides a Clear Picture of Ionospheric Disturbances 15 AUG 2005 9 pages
Authors:  R. Esposito; T. Pedersen; AIR FORCE RESEARCH LAB HANSCOM AFB MA
The full text of this report is available for sale.During daylight hours, ultraviolet light from the sun ionizes the neutral gas of the earth's upper atmosphere (70-1500 km altitude), creating a partially ionized plasma. This plasma then gradually decays throughout the night. The atmospheric region associated with this phenomenon is called the ionosphere, and this zone is of great practical importance to the Department of Defense and civilian industries because of its effect on radio waves. Depending on the ...


Characterization of New Materials for Photovoltaic Thin Films: Aggregation Phenomena in Self-Assembled Perylene-Based Diimides 21 JUL 2005
Authors:  Daniel A. Higgins; Aifang Xie; Bei Liu; KANSAS STATE UNIV MANHATTAN DEPT OF CHEMISTRY
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Under this grant, a new class of organic photovoltaic materials have been developed and characterized. These materials are comprised of cationic symmetrically- and asymmetrically-substituted perylene diimides and oppositely charged poly(acrylate) polyanions. Thin films of these materials yield photovoltages of >140 mV for approximately 0.6 W/sq cm illumination intensities, when incorporated into rudimentary heterojunction devices. Solution phase fluorescence spectra obtained from the complexes exhibit excimer-like emission and evidence of weakly coupled ...


Bio-Inspired Sensing and Display of Polarization Imagery 17 JUL 2005 117 pages
Authors:  Nader Engheta; Edward N. Pugh Jr; PENNSYLVANIA UNIV PHILADELPHIA DEPT OFELECTRICAL AND SYSTEMS ENGINEERING
The full text of this report is available for sale.During our research efforts on this program, we have introduced, developed, and studied various imaging algorithms, sensing schemes and visualization and display methodologies inspired and informed by biological consideration, and have demonstrated that these bio-inspired polarization sensing and imaging techniques enable us to achieve better target detection, enhanced visibility in otherwise low-contrast conditions, longer detection range in optically scattering media, man-made polarization-sensing adaptation based on changing environments, surface deformation/variation detection ...


Primary and Secondary Superresolution by Data Inversion (preprint) 06 JUN 2005 20 pages
Authors:  Charles L. Matson; David W. Tyler; AIR FORCE RESEARCH LAB KIRTLAND AFB NM DIRECTED ENERGY DIRECTORATE
The full text of this report is available for sale.Superresolution by data inversion is the extrapolation of measured Fourier data to regions outside the measurement bandwidth using postprocessing techniques. Here we characterize superresolution by data inversion for objects with finite support using the twin concepts of primary and secondary superresolution, where primary superresolution is the essentially unbiased portion of the superresolution data and secondary superresolution is the remainder. We show that this partition of superresolution into primary and secondary ...


Concurrent MR-NIR Imaging for Breast Cancer Diagnosis JUN 2005 130 pages
Authors:  Birsen Yazici; RENSSELAER POLYTECHNIC INST TROY NY
The full text of this report is available for sale.The primary objective of this research program is to investigate concurrent near infrared (NTR) optical and magnetic resonance (MR) imaging for breast cancer diagnosis. The NIR diffuse optical imaging offers novel criteria for cancer differentiation with the ability to measure (in vivo) oxygenation and vascularization state, the uptake and release of contrast agents and chromophore concentrations with high sensitivity. However, NIR diffuse optical tomography is inherently a low spatial resolution ...


Optical Imaging of Mammaglobin Expression in Breast Cancer MAY 2005 33 pages
Authors:  Samuel Achilefu; WASHINGTON UNIV ST LOUIS MO
The full text of this report is available for sale.Mammaglobin (MNG) is a breast-specific glycoprotein that is over-expressed in nearly 80% of primary and metastatic breast cancers. The exact biological function of this secreted protein is not known. An important step towards understanding the role of MMG in breast carcinogenesis is to monitor its expression in MMG-expressing tumors. Toward these goals, we prepared 4 truncated MMG peptide analogues, seven MMG-avid peptides, native MMG, and anti-MMC antibodies. These molecules were ...


Total Results: 1411 Pages: Previous [1] 2 3 4 5 6 7 8 9 10 11 Next Results per page: