| A Multiresolution Experiment to Enable Impacts of High Fidelity Environments on Unmanned Ground Vehicle Representation |
Jun-2009 |
59 pages |
| Authors:
Joyce A Nagle; Niki C Goerger; Suzanne M DeLong; Paul W Richmond; MILITARY ACADEMY WEST POINT NY OPERATIONS RESEARCH CENTER
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 | Geospatially enriched synthetic environments are needed for development and assessment of unmanned ground vehicle (UGV) performance to support sensor fusion and sense making. This work will address how the high-fidelity/resolution environment is achieved and integrated to inform simulations addressing critical questions. We will investigate a multi-resolution modeling capability to inform development of a high-fidelity synthetic environment (HFSE) testbed and to link to other models and simulations. This report will discuss ... |
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| Robotics Strategy White Paper |
19-Mar-2009 |
38 pages |
| Authors:
ARMY TRAINING AND DOCTRINE COMMAND FORT MONROE VA ARMY CAPABILITIES INTEGRATION CENTER
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| The enclosed Robotics Strategy White Paper is the result of a collaborative effort between the U.S. Army Training and Doctrine Command (TRADOC) and the Tank-Automotive Research, Development and Engineering Center (TARDEC). This paper builds on a confederated Army robotics strategy that is described by senior leader direction, studies, and various systems-based road maps. The purpose of this paper is to propose task areas that can further enable the Army's 1.1 ... |
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| Wave Optics Simulation of Optically Augmented Retroreflections for Mononstatic/Bistatic Detection |
Mar-2009 |
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| Authors:
Tatar; John J III; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH GRADUATE SCHOOL OF ENGINEERING AND MANAGEMENT
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 | Optical devices interrogated with a laser in the appropriate band can exhibit strong, deterministic reflections of the incident beam. This characteristic could be exploited for optical target detection and identification. The distribution of reflected power is strongly dependent on the geometry of the interrogation scenario, atmospheric conditions, and the cross section of the target optical device. Previous work on laser interrogation systems in this area has focused on analytic models ... |
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| Exploitation of Intra-Spectral Band Correlation for Rapid Feature Selection, and Target Identification in Hyperspectral Imagery |
Mar-2009 |
190 pages |
| Authors:
Michael K Miller; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT
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| This research extends the work produced by Capt. Robert Johnson for detecting target pixels within hyperspectral imagery (HSI). The methodology replaces Principle Components Analysis for dimensionality reduction with a clustering algorithm which seeks to associate spectral rather than spatial dimensions. By seeking similar spectral dimensions, the assumption of no a priori knowledge of the relationship between clustered members can be eliminated and clusters are formed by seeking high correlated adjacent ... |
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| UAV Communication Management and Coordination for Multitarget Tracking |
26-Feb-2009 |
35 pages |
| Authors:
Scott A Miller; Zachary A Harris; Edwin K Chong; NUMERICA CORPORATION LOVELAND CO
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| The research conducted under this grant concerned the application of the theory of partially observable Markov decision processes (POMDPs) to the design of guidance algorithms for controlling the motion of unmanned aerial vehicles (UAVs) with on-board sensors to improve tracking of multiple ground targets. While POMDP problems are intractable to solve exactly, principled approximation methods can be devised based on the theory that characterizes optimal solutions. A new approximation method ... |
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| Operator Workload and Heart-Rate Variability During a Simulated Reconnaisance Mission with an Unmanned Ground Vehicle |
Dec-2008 |
9 pages |
| Authors:
Jessie Y Chen; Julie M Drexler; Lee W Sciarini; Keryl A Cosenzo; Michael J Barnes; Denise Nicholson; ARMY RESEARCH LAB ORLANDO FL HUMAN RESEARCH AND ENGINEERING DIRECTORATE
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| In this study, we simulated a generic mounted crew station environment and conducted an experiment to examine the workload and performance of the operator of a ground robot. Participants were randomly assigned to four tasking conditions: robotics tasks only, robotics plus an auditory task, robotics plus a visual monitoring task, or all three tasks simultaneously. Participants completed four mission scenarios. In two of these scenarios, their robot was semiautonomous. In ... |
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| Generalized Adaptive Radar Signal Processing |
Dec-2008 |
8 pages |
| Authors:
Paul D Mountcastle; Nathan A Goodman; Charles J Morgan; TECHNOLOGY SERVICE CORP TRUMBULL CT
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| In this paper 1, the use of adaptive weights over the radar measurement dimensions of pulse time, antenna receive element, and wideband frequency is extended to cover a much broader range of radar detection problems than was supposed in the original formulation of spacetime adaptive signal processing (STAP). These problems include, among others (1) Adaptive beamforming in three dimensions; (2) Detection and 3D ISAR imaging of targets in general torque-free ... |
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| NORM: A Decentralized Location Verification Mechanism for Wireless Sensor Networks |
Dec-2008 |
8 pages |
| Authors:
Jie Yang; Yingying Chen; Xiuyuan Zheng; Venkataraman Swaminathan; STEVENS INST OF TECH HOBOKEN NJ DEPT OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE
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| The location of wireless devices and sensor nodes is a critical input for many location-aware applications. Particularly, important tasks in tactical fields, such as monitoring the status of soldiers and tracking the equipment, all rely on the location information. However, adversaries may falsify the location information and undermine the activities supported by location. In this work, we propose NORM, a decentralized location verification mechanism for wireless sensor networks. To perform ... |
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| Estimating High-Resolution Directional Clutter Maps in Forested Terrain Using Airborne Lidar Data |
Dec-2008 |
9 pages |
| Authors:
K C Slatton; Pang-Wei Liu; Heezin Lee; Mike Campbell; FLORIDA UNIV GAINESVILLE DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
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| A priori knowledge of clutter environments is critical for understanding target detection performance from airborne sensors and optimally predicting future performance to aid in mission planning. Modern airborne lidar, also known as Airborne Laser Swath Mapping (ALSM), systems can acquire decimeter scale measurements of the 3D structure in forests and urban areas. From these measurements, high resolution clutter maps that account for variations in both 3D Cartesian coordinates and viewing ... |
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| Interface Design Description for the Multi-Mode Magnetic Detection System |
21-Nov-2008 |
69 pages |
| Authors:
Rich Tobaben; Don King; Jim Manning; POLATOMIC INC RICHARDSON TX
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| This interface design Description (IDD) specifies the design for all internal and external software configuration item interfaces on the Multi-Mode Magnetic Detection System (3MDS), and documents the partition of related software development tasks between Polatomic, Inc. (PI) and Applied Signal Technology, Inc. (AST). 1.2 System Overview. The goal of the 3MDS project is to develop and demonstrate a real-time airborne magnetic detection system that is Unmanned Aerial Vehicle (UAV)-based. The ... |
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| Standardized UXO Technology Demonstration Site Scoring Record No. 920 (NRL). MTADS Discrimination/Towed |
Nov-2008 |
72 pages |
| Authors:
Rick Fling; Christina McClung; Dennis Teefy; William Burch; Patrick McDonnell; McClung; J S Jr; ABERDEEN TEST CENTER MD HOMELAND DEFENSE AND SUSTAINMENT DIV
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| This scoring record documents the efforts of NRL, to detect and discriminate inert unexploded ordnance (UXO) utilizing the YPG Standardized UXO Technology Demonstration Site blind grid. The MTADS Discrimination array consists of 25 individual EMI sensors arranged in a 5 x 5 array. The center-to-center distance is 40 cm yielding a 2 m x 2 m array is the position of the three GPS antennae that are used to determine ... |
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| Claudia User Manual |
Oct-2008 |
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| Authors:
Ross Kyprianou; Daniel Finch; Nick Lioutas; DEFENCE SCIENCE AND TECHNOLOGY ORGANISATION EDINBURGH (AUSTRALIA) ELECTRONIC WARFARE AND RADAR DIVISION
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| This document is the user manual for version 1.0 of the generic maritime radar performance model Claudia'. Claudia computes the target detection performance of radars in maritime environments. |
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| Development of a Profiling Scanner |
01-Sep-2008 |
38 pages |
| Authors:
ARMY RESEARCH LAB ADELPHI MD SENSORS AND ELECTRON DEVICES DIRECTORATE
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| This report describes the design, operation, and performance of a two-dimensional (2-D) profiling scanner system using 16 laser diodes, 16 photo sensors, and a personal computer (PC) controller. A profiling scanner provides output images that reveal the size, height, and outline or shape of an object. This information can be useful in various military and related applications. The Radiometric Sensor Development and Applications Team of the Sensors and Electron Devices ... |
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| Acquisition of a Static Human Target in Complex Terrain: Study of Perceptual Learning Utilizing Virtual Environments |
01-Sep-2008 |
105 pages |
| Authors:
Robert L Kammerzell; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
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| Soldiers conducting ground operations must visually detect various dynamic and static threats. While enemy utilization of improvised explosive devices (IEDs) is a constant danger, there is also the requirement to detect the insurgent sniper threat. The U.S. Army has long identified enemy sniper activity as one of great importance to both our individual soldier's survivability and unit operational effectiveness. Specifically, the soldier's visual system and perceptual skills are immediately tasked ... |
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| Echolocation-Based Foraging by Harbor Porpoises and Sperm Whales, Including Effects on Noise and Acoustic Propagation |
Sep-2008 |
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| Authors:
Stacy L DeRuiter; MASSACHUSETTS INST OF TECH CAMBRIDGE
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| This thesis provides quantitative descriptions of toothed whale echolocation and foraging behavior, including assessment of the effects of noise on foraging behavior and the potential influence of ocean acoustic propagation conditions on biosonar detection ranges and whale noise exposure. Chapter 2 details the application of a modified version of the Dtag to study harbor porpoise echolocation. Study results indicate how porpoises vary the rate and level of their echolocation clicks ... |
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| Modular Advanced Fuze Interface Architecture (MAFIA) |
JUN 2008 |
22 pages |
| Authors:
Jason R. Foley; Matthew W. Bridge; AIR FORCE RESEARCH LAB EGLIN AFB FL MUNITIONS DIRECTORATE
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| OUTLINE: Purpose * What This is Not * Fuze Architectures and DoD Acquisition (current approach - modular, open systems) * Why This Program? Why Now? * Distributed Fuzing (perceived benefits - argument against) * Lessons Learned * MAFIA Approach * Summary * Questions. |
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| Advancing Autonomy on Man Portable Robots |
14-May-2008 |
17 pages |
| Authors:
Brandon Sights; SPACE AND NAVAL WARFARE SYSTEMS CENTER SAN DIEGO CA
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| Bio-Inspired Sensing and Imaging of Polarization Information in Nature |
04 MAY 2008 |
61 pages |
| Authors:
Nader Engheta; Jr. Pugh Edward N.; Jan Van der Spiegel; PENNSYLVANIA UNIV PHILADELPHIA DEPT OF ELECTRICAL AND SYSTEMS ENGINEERING
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| Our unaided eyes can detect two of the characteristics of image-forming visible light from a scene, namely, the intensity and the wavelength, which can then be encoded into perceptual qualities of brightness and color. Our eyes, however, are effectively blind to the third characteristic of light, its polarization. It is well known, however, that several species of animals have visual systems capable of detecting light's polarization and using the information ... |
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| Remote Station User's Guide |
MAY 2008 |
30 pages |
| Authors:
John T. Clark; ARMY RESEARCH LAB ADELPHI MD
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| A transmitter that responds to an input signal (transponder) has been designed at the Ka Band frequency range. The transponder is further enhanced to simulate a moving target by returning a signal with an artificial Doppler frequency and power level commensurate with that of a particular Radar Cross Section (RCS). The RF architecture is described first, followed by a detailed derivation of simulated RCS and then a complete step by ... |
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| Multi-Aircraft Video - Human/Automation Target Recognition Studies: Video Display Size in Unaided Target Acquisition Involving Multiple Videos |
Apr-2008 |
45 pages |
| Authors:
Lamar Warfield; Sarah E Plantz; Thomas R Carretta; Airam Gonzalez-Garcia; Michael J Patzek; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH WARFIGHTER INTERFACE DIVISION
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| Prior research involving target detection when monitoring multiple video sources led to concerns about increased operator workload and degraded target detection performance as the number of video sources and visual search requirements increased. A study was conducted to examine the utility of smaller video displays to reduce visual scan and search demands when multiple video sources are monitored. Sixteen participated performed a target detection task involving one small video, one ... |
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| A Constant False Alarm Rate-(CFAR) Based Change Detection Approach to Helicopter Diagnostics |
APR 2008 |
18 pages |
| Authors:
Kenneth Ranney; Hiralal Khatri; Jerry Silvious; Kwok Tom; Romeo del Rosario; ARMY RESEARCH LAB ADELPHI MD
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| We extend results obtained for fault detection and present a procedure for calculating condition indicators that is tailored to detect a recently observed fault. We illustrate how it arises naturally from consideration of statistics commonly calculated as part of constant false alarm rate (CFAR) target detection algorithms. |
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| Characterization and Implementation of a Real-World Target Tracking Algorithm on Field Programmable Gate Arrays with Kalman Filter Test Case |
01-Mar-2008 |
112 pages |
| Authors:
Benjamin Hancey; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH GRADUATE SCHOOL OF ENGINEERING AND MANAGEMENT
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| A one dimensional Kalman Filter algorithm provided in Matlab is used as the basis for a Very High Speed Integrated Circuit Hardware Description Language (VHDL) model. The JAVA programming language is used to create the VHDL code that describes the Kalman filter in hardware which allows for maximum flexibility. A one-dimensional behavioral model of the Kalman Filter is described, as well as a one dimensional and synthesizable register transfer level ... |
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| A Simulation Optimization Approach to the Design of Unmanned Aerial Vehicles |
MAR 2008 |
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| Authors:
Emily C. Evans; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH GRADUATE SCHOOL OF ENGINEERING AND MANAGEMENT
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| Military strategy and operations have evolved significantly over the past decade. This evolution has led to a change in the military resources required to carry out missions successfully. In line with these requirements, demand has increased for unmanned aerial vehicles (UAV) with enhanced capability to perform surveillance and to strike targets of interest. This research effort aids in the design of a next generation UAV by employing a simulation optimization ... |
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| Discriminating Sea Spikes in Incoherent Radar Measurements of Sea Clutter |
MAR 2008 |
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| Authors:
J. J. de Wit; M. W. Schouten; TNO Defence Security and Safety The Hague (Netherlands)
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| In this report, the results of an inventory of sea spike characteristics is given. Furthermore, the possibility to detect sea spikes with standard ship navigation radars is explored. In literature it was found that the most distinct properties of sea spikes are the sudden increase in polarization ratio MH/VV and Doppler velocity. These properties cannot be measured with current navigation radars, but future navigation radars will be coherent. It is ... |
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| Demonstration of LiDAR and Orthophotography for Wide Area Assessment at Pueblo Precision Bombing Range #2, Colorado |
Jan-2008 |
72 pages |
| Authors:
Jack Foley; SKY RESEARCH ASHLAND OR
|
| Unexploded ordnance (UXO) contamination is a high-priority problem for the Department of Defense (DoD). Recent DoD estimates of UXO contamination across approximately 1,400 DoD sites indicate that 10 million acres are suspected of containing UXO. Because many sites are large in size (greater than 10,000 acres), the investigation and remediation of these sites could cost billions of dollars. However, on many of these sites only a small percentage of the ... |
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| Phased Array Radar Data Processing Using Adaptive Displaced Phase Centre Antenna Principle |
DEC 2007 |
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| Authors:
Yunhan Dong; DEFENCE SCIENCE AND TECHNOLOGY ORGANISATION EDINBURGH (AUSTRALIA) ELECTRONIC WARFARE AND RADAR DIVISION
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| Employing the autoregressive (AR) technique and the principle of displaced phase centre antenna (DPCA) we construct an optimum adaptive DPCA processor for moving target detection from airborne phased arrary radar data collected under non- DPCA conditions. It is fundamentally different from the existing adaptive DPCA which is not optimum. The number of range samples it needs to estimate its parameters is only approximately twice the number of antenna elements, significantly ... |
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| High Resolution Radar Clutter Analysis and Modeling for Advanced Target Detection Strategies |
01-Nov-2007 |
48 pages |
| Authors:
Muralidhar Rangaswamy; Fulvio Gini; Maria S Greco; PISA UNIV (ITALY) DIPARTIMENTO DI INGEGNERIA DELL' INFORMAZIONE
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| This report results from a contract tasking University of Pisa as follows: The research is divided in two phases. In the first phase, we consider modeling and estimating the characteristic parameters of high resolution non-Gaussian sea clutter. We will investigate specifically nonstationarity and possible non-Gaussianity of the clutter on long period of time, by applying nonhomogeneity tests and spectral analysis to highlight the temporal changes of the clutter process. The ... |
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| Yuma Proving Ground GEM-3-E Data Collection |
NOV 2007 |
69 pages |
| Authors:
Jr. Bennett Hollis H.; Tere A. DeMoss; Morris P. Fields; Ricky a. Goodson; Charles D. Hahn; John C. Morgan; ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS ENVIRONMENTAL LAB
|
| This report documents the performance and operational capabilities of the GEM-3 system for the Advanced UXO Detection/Discrimination Technology Demonstration at the U.S. Army Yuma Proving Ground (YPG), Yuma, AZ. The data collection effort was conducted under the Department of the Army Research and Development DOBE4 (BA4) Technical Demonstration Program. Data analysis was conducted under the Department of the Army Research and Development DOE3 (BA3) Program. The objective was to evaluate ... |
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| Fusion of Imperfect Information in the Unified Framework of Random Sets Theory: Application to Target Identification |
NOV 2007 |
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| Authors:
Mihai C. Florea; Anne-Laure Jousselme; Eloi Bosse; DEFENCE RESEARCH AND DEVELOPMENT CANADA VALCARTIER (QUEBEC)
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| This is a study of the applicability of random sets theory to target identification problems as a technique for fusion of imperfect information. For target identification, several sources of information (radar, ESM - Electronic Support Measures, SAR - Synthetic Aperture Radar, IR images) are available. Since the information provided is always imperfect and several kinds of imperfection may be encountered (imprecision, uncertainty, incompleteness, vagueness, etc.), several theories were developed to ... |
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| Diffusion Maps and Geometric Harmonics for Automatic Target Recognition (ATR). Volume 2. Appendices |
NOV 2007 |
209 pages |
| Authors:
Steven W. Zucker; Ronald Coifman; YALE UNIV NEW HAVEN CT DEPT OF COMPUTER SCIENCE
|
| Geometric harmonics provides a framework for taking data in high-dimensional measurement spaces and embedding them in low dimensional Euclidean space according to a similarity measure. Euclidean coordinates then characterize the "manifold" on (or near) which the data live. Our goal in this project is to develop this manifold as a mechanism for integrating data from different sensors to facilitate automatic recognition. During the tenure of this research grant, we were ... |
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| A Microscale Approach for the Quantitative Detection of PCBs and PAHs in Small Tissue Masses |
OCT 2007 |
12 pages |
| Authors:
Rod Millward; Robert Jones; Richard Karn; Allyson Harrison; ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS GEOTECHNICAL AND STRUCTURES LAB
|
| This technical note outlines an analytical approach for the detection of PCBs and PAHs in very small amounts (c. 100 mg wet weight) of invertebrate tissue, including a brief synopsis of the methodology and comparison with traditional techniques. The intent is to show the abilities and limitations of these techniques, how they compare to recommended target detection limits, and how they might be used to support Corps investigations into contaminant ... |
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| Multimodal Guidance for Land Navigation |
OCT 2007 |
67 pages |
| Authors:
Linda R. Elliott; Maaike Duistermaat; Elizabeth S. Redden; Jan van Erp; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
|
| This report describes the third in a series of collaborative experiments between the U.S. Army Research Laboratory and TNO Human Factors (Soesterberg, The Netherlands). In each experiment, a personal tactile navigation (PTN) system for land navigation was compared with alternate land navigation systems in wooded terrain at Fort Benning, Georgia, during high workload conditions that included secondary tasks such as radio communications, target detection, and determination of location coordinates. This ... |
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| MIMO Radar - Diversity Means Superiority |
OCT 2007 |
41 pages |
| Authors:
Jian Li; FLORIDA UNIV GAINESVILLE DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
|
| We consider a multiple-input multiple-output (MIMO) radar system where both the transmitter and receiver have multiple well-separated subarrays with each subarray containing closely-spaced antennas. Because of this general antenna configuration, both the coherent processing gain and the spatial diversity gain can be simultaneously achieved. We compare several spatial spectral estimators, including Capon and APES, for target detection and parameter estimation. We introduce a generalized likelihood ratio test (GLRT) and a ... |
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| Coordinated Autonomy for Persistent Presence in Harbor and Riverine Environments |
30-Sep-2007 |
14 pages |
| Authors:
A J Healey; A Monarrez; T D Masek; K M Squire; K D Jones; V Dobrokhodov; W Baer; S P Kragelund; M Kolsch; I I Kaminer; D P Horner; B D Wring; NAVAL POSTGRADUATE SCHOOL MONTEREY CA CENTER FOR AUTONOMOUS UNDERWATER VEHICLE RESEARCH
|
| In FY 2007 the Naval Postgraduate School (NPS) teamed with Virginia Tech (VT) to conduct fundamental research and experimentation aimed at enabling coordinated autonomous operations by teams of heterogeneous (land, sea, air) vehicles. The primary goal of this research is to develop tools for vehicle-to-vehicle cueing and distributed sensing for shared situational awareness. A long-term goal for this research is persistent area surveillance of harbor and riverine environments by a ... |
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| Models of Sensor Operations for Border Surveillance |
11-Sep-2007 |
25 pages |
| Authors:
Dolev Cfir; Moshe Kress; Roberto Szechtman; Kyle Lin; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF COMPUTER SCIENCE
|
| This paper is motivated by the diverse array of border threats, ranging from terrorists to arms dealers and human traffickers. We consider a moving sensor that patrols a certain section of a border with the objective to detect infiltrators who attempt to penetrate that section. Infiltrators arrive according to a Poisson process along the border with a specified distribution of arrival location, and disappear a random amount of time after ... |
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| Sensor Model Requirements for TAWS/IRTSS Operation |
SEP 2007 |
123 pages |
| Authors:
Rachel Hughes; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
|
| Possible improvements to the minimum resolvable temperature difference (MRTD) entered into TAWS are considered. FLIR92 is modified to include atmospheric turbulence that depends on height in the atmosphere. Resultant MRTDs are compared to the operational FLIR92 MRTD predictions excluding atmospheric turbulence. The difference in the MRTD is only apparent in the higher frequency regime and is less than 0.05% of the MRTD values for a typical test case. MRTD is ... |
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| HF Over-the-Horizon Radar System Performance Analysis |
SEP 2007 |
|
| Authors:
Bin-Yi Liu; NAVAL POSTGRADUATE SCHOOL MONTEREY CA CENTER FOR JOINT SERVICES ELECTRONIC WARFARE
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| The basic concept of the structure and properties of the ionosphere are discussed to explain how the performance of the over-the-horizon radar (OTHR) system is affected. An overview of the OTHR system characteristics and performance are presented along with some applications currently used around the world, including their geographic location and historical background. The waveforms used for the OTHR systems include simple pulse, pulse Doppler, phased-coded pulse, frequency modulated continuous ... |
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| Integrated End-to-End Radar Signal and Data Processing with Over-Arching Knowledge-Based Control |
01-Jun-2007 |
25 pages |
| Authors:
Gerard T Capraro; CAPRARO TECHNOLOGIES INC UTICA NY
|
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| Advanced Integrated Multi-Sensor Surveillance (AIMS): Mission, Function, Task Analysis |
JUN 2007 |
326 pages |
| Authors:
Kevin Baker; Gord Youngson; CAE PROFESSIONAL SERVICES OTTAWA (ONTARIO)
|
| To increase the effectiveness of searching, detecting, classifying, and identifying contacts particularly at night and in poor weather, the Advanced Integrated Multi sensor Surveillance (AIMS) system is being developed. The AIMS system is advanced through the integration of four sensors into a single gimbal. As such, the system will support a myriad of missions for both the CP 140 and Fixed Wing Search and Rescue (FWSAR) communities, including timely search ... |
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| Galvanic Skin Response as a Measure of Soldier Stress |
MAY 2007 |
37 pages |
| Authors:
Chuck H. Perala; Bruce S. Sterling; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
|
| In the ever-increasing realm of "high-tech" Soldier systems, one factor remains fairly constant: the human factor. The use of multiple high-tech and increasingly complex systems is intended to add capabilities to Soldiers and to reduce stress and workload. However, these systems may add increased levels of stress and workload onto Soldiers who are already at heightened levels of each because of the environments in which the systems are employed. To ... |
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| Accelerating the Kill Chain via Future Unmanned Aircraft |
Apr-2007 |
89 pages |
| Authors:
Julian C Cheater; AIR WAR COLL MAXWELL AFB AL CENTER FOR STRATEGY AND TECHNOLOGY
|
| Unmanned aircraft (UA) have evolved from simple reconnaissance assets into capable and persistent strike platforms in a short period of time. Looking ahead to the year 2025, what technologies will help the U.S. military reduce the time it takes to find, track, and neutralize a target with UA? The United States can have the greatest impact in accelerating the kill chain by investing in research that advances autonomous UA operations ... |
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| TNT06-4 MIO San Francisco Bay, Atmospheric Effects After Action Report |
07 MAR 2007 |
33 pages |
| Authors:
Peter Guest; Kenneth Davidson; Mary Jordan; Richard Lind; NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF METEOROLOGY
|
| Our goal in this project was to provide field and command personnel with information on target detection capabilities (in this case a boat with suspected nuclear material) to enhance the effectiveness of marine interdiction operations, both in the planning stages and during the actual operation. We addressed both visual detection with the naked eye or binoculars and radar detection. Our focus is on how environmental factors affect the transmission of ... |
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| High Resolution Multispectral and Hyperspectral Data Fusion for Advanced Geospatial Information Products |
MAR 2007 |
12 pages |
| Authors:
W. P. Bissett; David D. Kohler; FLORIDA ENVIRONMENTAL RESEARCH INST TAMPA FL
|
| This project seeks to develop the technology to fuse high spatial resolution Multi Spectral Imagery (MS I) with lower spatial resolution, but higher spectral resolution, HyperSpectral Imagery (HSI) to provided enhanced target detection and battlespace characterization. It seeks to push beyond traditional PAN sharpening techniques to develop applications that will increase the accuracy and fidelity of the sharpened spectral imagery. |
|
| Polarimetric Thermal Imaging |
MAR 2007 |
121 pages |
| Authors:
Fook L. Loo; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
|
| Passive infrared (IR) imagers, using intensity contrast for target detection, are often limited by low target-background contrast. Detecting stationary targets against cluttered backgrounds presents an even bigger challenge. Polarized signatures can be used as an additional discriminator, to improve target detection probability and reduce false alarm rate. In this research,a polarimetric thermal imager, operating in the mid wave infrared (3-5 m), was set up using the Merlin InSb camera with ... |
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| Advanced Integrated Multi-Sensor Surveillance (AIMS. Operator Machine Interface (OMI) Definition Study |
FEB 2007 |
142 pages |
| Authors:
Kevin Baker; Gord Youngson; CAE PROFESSIONAL SERVICES OTTAWA (ONTARIO)
|
| To enhance the capability of airborne search and rescue (SAR) and surveillance, particularly at night and in poor weather, a multi sensor electro optical imaging system, the Advanced Integrated Multi sensor Surveillance (AIMS) system, is being developed by Defence Research & Development Canada. The AIMS system is advanced through active gated capability and the integration of five sensors into a single gimbal. As such, the system will support a myriad ... |
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| Advances in Autonomous Obstacle Avoidance for Unmanned Surface Vehicles |
2007 |
16 pages |
| Authors:
Jacoby Larson; Michael Bruch; Ryan Halterman; John Rogers; Robert Webster; SPACE AND NAVAL WARFARE SYSTEMS CENTER SAN DIEGO CA
|
| The Space and Naval Warfare Systems Center, San Diego has been involved in the continuing development of obstacle avoidance for unmanned surface vehicles (USVs) towards the aim of a high level of autonomous navigation. An autonomous USV can fulfill a variety of missions and applications that are of increasing interest for the US Navy and other Department of Defense and Department of Homeland Security organizations. The USV obstacle avoidance package ... |
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| Intelligent Electronic Navigational Aids: A New Approach |
Dec-2006 |
7 pages |
| Authors:
Costin Barbu; Geary Layne; Maura Lohrenz; NAVAL RESEARCH LAB STENNIS SPACE CENTER MS
|
| The smart management of clutter is a key component in designing intelligent, next-generation user interfaces and electronic displays. Intelligent devices can enhance a user's situational awareness under adverse conditions. In this paper we present two approaches to assist a user with target detection and clutter analysis, and we suggest how these tools could be integrated with an electronic chart system. The first tool, an information fusion technique, is a multiple-view ... |
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| A System for Automatic Detection of Partially Occluded Objects from Real-World Images |
01-Nov-2006 |
9 pages |
| Authors:
Predrag Neskovic; Liang Wu; Leon N Cooper; BROWN UNIV PROVIDENCE RI DEPT OF PHYSICS
|
| In this work we consider the Bayesian Integrate And Shift (BIAS) model for learning object categories and test its performance on learning and recognizing different object categories from real-world images. In contrast to conventional learning algorithms that require hundreds or thousands of training examples, we show that our system can learn a new object category from only a few examples. In addition, our system provides information not only about the ... |
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| The Effect of Stress on Crossmodal Interference During Visual Search |
01 NOV 2006 |
32 pages |
| Authors:
P. A. Burton; F. Morelli; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
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| A key factor in determining the efficiency of target detection is the influence of distracting information during the search process. Using a response competition paradigm, the present study examined how induced stress influences crossmodal links with respect to perceptual load in a visual search task under conditions of no stress versus induced stress. Individuals were tasked to perform both an easy and a hard visual search task while ignoring either ... |
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| Physics-Based Detectors Applied to Long-Wave Infrared Hyperspectral Data |
NOV 2006 |
9 pages |
| Authors:
Joshua Broadwater; Rama Chellappa; MARYLAND UNIV COLLEGE PARK CENTER FOR AUTOMATION RESEARCH
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| Long-wave infrared (LWIR) hyperspectral image (HSI) data presents an interesting challenge for automatic target detection algorithms. LWIR HSI data is useful for both day and night operations, but weak signatures like disturbed soil can be problematic for standard matched-filter techniques. In this paper, we augment the standard matched-filter techniques with physics-based information particular to HSI data. Our results show that these physics-based detectors provide improved detection performance with quick processing ... |
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Reports by Keyword(s)
TARGET DETECTION
