The wide-spread use of interactive computer graphics in engineering and administration has led to a requirement to convert existing drawings and maps into a digital format foreasy retrieval and manipulation. this has led to the so-called "data conversion problem". a solution for this problem is… More

We propose to study the feasibility, and subsequently build a prototype, of a system for automated matching of images and map data bases. this will be based on an evaluation of appropriate map data base structures to address, search for and rank objects that are candidate ground control. it will… More

A system will be developed to efficiently and accurately monitor movements of the human mandible. the system will consist of a personal computer (pc)-based data acquisition and analysis unit, a nonrestraining extra-oral harness to which is attached a set of light emitting diodes (leds), andtwo… More

Vexcel corp. proposes a workstation that is specifically oriented toward networking with the proposed e0s informationsystem or similar observation systems, and which provides many of the image processing functions that are important to a typical scientific user of this type of remotely sensed data.… More

Vexcel corporation proposes to develop algorithms and software which incorporate polarization data into techniques for terrain reconstruction using shape-from-shading in multiple-image, synthetic aperture radar (sar) quadpole data. this represents an innovative approach to the problem of resolving… More

Vextra corporation proposes the development of a software system for conveniently and meaningfully visualizing large multi-dimensional data sets such as from the future hiris sensor for the earth observing system (eos). the techniquesfor visualization will include volumetric rendering and… More

Vexcel corporation proposes a phase i research effort for the analysis and preliminary simulation of a novel method for detecting high-voltage power lines and towers in unfriendly regions using multiple flight-path synthetic aperture radar (sar) imagery. the proposed method consists of adapting the… More

Vexcel corporation, together with space computer corp., proposes a phase i research effort directed toward the derivation of requirements analyses and algorithmic explorations necessary for the development of an automated digital system capable of detecting long-term (6 months to a year) and/or… More

Vexcel corp proposes a phase i research effort to demonstrate the feasibility of a symbolic model-based approach for change detection and extraction of military terrain features in synthetic aperture radar (sar) imagery the phase i effort will concern the development of a rule/fram based description… More

Vexcel Corporation, together with the Ohio State University Center for Mapping, propose the development of a system for gathering and processing pavement surface distress data including the automated generation of pavement surface distress information suitable for input to a pavement management… More

Vexcel Corporation together with Hughes Training, Inc. Advanced Systems Facility proposes a multi-source terrain database generator for the Vetronics Crew Display Demonstrator system. The system would incorporate information from existing VCDD databases, mapping products, and new imagery to produce… More

A novel signal processing technique is proposed for the detection of buried objects using special configuration of a low frequency synthetic aperture radar. The radar data collection multiple apertures in the vertical or cross-track dimension. The angle-of-arrival signal processing, applied… More

A testbed is proposed for the rapid prototyping of algorithms to extract information from three-dimensional (3D) synthetic aperture radar (SAR) data including the high resolution digital terrain elevation data (DTED), the backscatter image and the phase correlation image. The testbed will operate… More

Vexcel Corporation proposes to develop and test new and innovative algorithms for the optimal focusing of Synthetic Aperture Radar (SAR) data. The proposed Phase I effort will involve the development of algorithms tailored for use with low frequency data. The proposed approach will involve… More

Vexcel Corporation, in collaboration with Stanford Research Institute International, proposes to design and demonstrate techniques to reconstruct 3-D scene and object structure from an image sequence, taken freely by an ordinary video camera. The techniques proposed are based upon algorithms… More

Vexcel Corporation, in cooperation with Lockheed Martin Tactical Defense Systems, proposes to identify and develop next generation algorithms for automatic target recognition (ATR) using polarimetric ultra-wideband (UWB) synthetic aperature radar (SAR) data. Specifically, we will address the… More

Vexcel Corporation, working with Fast Mathematical Algorithms and Hardware, Inc., proposes to design and develop an adapted waveform analysis software toolbox for remote sensing data analysis. While many toolkits exist for performing exploratory wavelet analysis, none currently implement the new… More

Vexcel Corporation, in collaboration with Stanford Research Institute International, proposes to design and demonstrate techniques to reconstruct 3-D scene and object structure from an image sequence, taken freely by an ordinary video camera. The techniques proposed are based upon algorithms… More

Vexcel Corporation, in cooperation with Lockheed Martin Tactical Defense Systems, proposes to identify and develop next generation algorithms for automatic target recognition (ATR) using polarimetric ultra-wideband (UWB) synthetic aperature radar (SAR) data. Specifically, we will address the… More

Vexcel proposes a system for extracting terrain elevation from large stereo SAR databases using a priori elevation map data. This system will accelerate, automate, and improve the accuracy and robustness of radargrammetricnprocessing for data acquired from wide spectrum of existing and planned SAR… More

We outline a possible design for a high-bandwidth, solid state data storage system. We provide an initial evaluation of the suitability of various memory technologies that are currently available for the system.

Not Available Advanced Cerametrics, Inc. (ACI) has developed a process to manufacture continuous filaments of piezoelectric ceramic materials and had designed and delivered transducer and actuator devices using these fibers to commercial, military and research institutions. Piezoceramic fiber… More

In Phase II, Vexcel Corporation proposes to adapt and expand its existing closerange photogrammetric process to the unique applications of shipbuilding construction. The enhancements examined in the feasibility study of Phase Iwill be added to the FotoG system to create new prototype software of… More

65214 The detection and characterization of seismic signals as they propagate across the earth¿s surface, are needed for verification of nuclear nonproliferation, as well for studies of earthquake source and propagation characteristics and seismic hazards analysis. This project will… More

Interferometric SAR techniques have been successfully demonstrated to be able to locate pixel scattering centers in three dimensions: however the relative location within a scattering volume does not provide further information that can be used to makemeasurements. Similarly polarimetric techniques… More

Interferometric SAR techniques have been successfully demonstrated to be able to locate pixel scattering centers in three dimensions: however the relative location within a scattering volume does not provide further information that can be used to makemeasurements. Similarly polarimetric techniques… More

Vexcel Corporation proposes to develop a general-purpose compression algorithm for use with complex SAR data. This algorithm will be general in nature and will not be tuned for any particular end-user application. Compressed data will retain theappropriate information required to perform coherent… More

"Vexcel Corporation proposes to define advanced signal processing techniques and methods to provide next-generation ballistic target discrimination and mensuration capabilities for the NMD radar system against emerging Midcourse and Terminal Defense Segmentthreats. Signal processing techniques… More

"Next-generation ballistic defense radar systems are likely to exploit large time-bandwidth waveforms for detecting, locating, imaging, discriminating and tracking targets of interest. In this proposal we present a preliminary analysis of potentialperformance degradataion due to such signals. We… More

Vexcel Corporation proposes to develop unique battle damage assessment (BDA) algorithms based on radar signatures produced by high-resolution synthetic aperture radar systems. Our approach takes advantage of telltale delayed response in the SAR dataproduced by radar energy that enters damage holes… More

"Vexcel Corporation proposes the implementation of a recently invented AUTOFOCUS technique as a revolutionary new way to correct defocus and remove blurring from coherent two-dimensional (2D) radar imagery and as an enabling technology for emerging coherentthree-dimensional (3D) imaging… More

Vexcel Corporation proposes to develop unique battle damage assessment (BDA) algorithms based on radar signatures produced by high-resolution synthetic aperture radar systems. Our approach takes advantage of telltale delayed response in the SAR dataproduced by radar energy that enters damage holes… More

65214 High-resolution imaging and characterization of seismic waves, particularly those due to nuclear tests, are needed as they propagate across the earth¿s surface. The information could be used to determine the event source location and depth, as well as its magnitude, and pertains to… More

65214 High-resolution imaging and characterization of seismic waves, particularly those due to nuclear tests, are needed as they propagate across the earth¿s surface. The information could be used to determine the event source location and depth, as well as its magnitude, and pertains to… More

"Vexcel Corporation proposes to address challenge of providing DTED-2 elevation data in the "north of sixty" latitude region of the earth using civilian spaceborne synthetic aperture radar. SAR data is well suited to complement the already collectedShuttle Radar Topographic Mission (SRTM) data and… More

"Vexcel Corporation proposes to design and develop an image manipulation toolsetthat uses RF tag technology to embed ground truth data,including identification, geolocation, and auxiliary data, in normal FOPEN SAR imagery.The encoding system is designed not to interfere with the normal operation… More

Vexcel Corporation proposes to define advanced signal processing techniques and methods to provide next-generation ballistic target discrimination and mensuration capabilities for the NMD radar system against emerging Midcourse and Terminal Defense Segmentthreats. Signal processing techniques… More

Vexcel Corporation proposes using RFTag technology to set up an automatic truthing capability for FOPEN SAR imagery, to support algorithm testing in AFRL FOPEN ATD programs. Our approach obeys the following three

There are a large variety of data sources used today in the generation of elevation information. However, each source has its own characteristics both in terms of its data quality and phenomenology, and also in terms of the CONOP under which the datacollection and exploitation were designed to be… More

There are a large variety of data sources used today in the generation of elevation information. However, each source has its own characteristics both in terms of its data quality and phenomenology, and also in terms of the CONOP under which the datacollection and exploitation were designed to be… More

In November 1998 a network of seismic stations was deployed by S. Anandakrishnan (now at Penn State) and others in West Antarctica. These autonomous stations returned state-of-health data via satellite, and stored high-volume instrument data for later retrieval. The satellite links demonstrated a… More

We propose to design an automated cultural feature extraction and placement system by adding plug-in extensions to an existing COTS package like Imagine, or PCI Geomatica. This system will use sophisticated statistical quality assurance to iterativelyrefine feature detection and feature extraction.… More

Vexcel Corporation proposes to address challenges related to providing terrain and 3D feature data using civilian space borne optical sensors. The initial intended use of these data sets is to support the Navy's growing need for high quality, detailed 3Dterrain and feature databases to support… More

Vexcel Corporation in conjunction with Todd Pacific Shipyard Corporation, propose to develop a 3D measurement system similar in concept to the proven FotoGTM technology but based on a single digital video input stream rather than a set of varying viewpointdigital still images. Decrease field… More

Vexcel is proposing to develop algorithms for digital elevation model fusion that utilize sensor models, sensor characteristics, and auxiliary platform information to improve the quality of fused digital elevation models. We will utilize our existing,non-sensor-specific DEM fusion prototype as a… More

The primary goal of the proposed research is to help advance the science and art of SAR tomography and, more generally, 3-D SAR imaging for downstream image exploitation. Vexcel Corporation proposes to delineate the current state-of-the-art in SARtomography for 3-D imaging and subsequent… More

The innovation of this project is to bring the power and flexibility of a wireless computer network to harsh-environment fieldwork. By integrating a small computer with GPS and a multi-channel digitizer we have created a network node which is low cost, low power, adaptable to practically any… More

Developing shape-from-video based software tools will enable US shipyards to create cost effective three-dimensional (3D) models of shipboard components (for engineering applications and/or virtual reality simulators) while ships are still in service ? significantly shortening overall repair cycle… More

NAVAIR and other Department of Defense (DoD) entities have ongoing and increasing demand to create very large, highly detailed and accurate simulation databases for various applications including training and mission rehearsal (MR). Simulation databases are today created using manual and automation… More

Polarimetric radar interferometry (PolInSAR) is a new SAR imaging mode that is rapidly becoming an important technique for bare earth topographic mapping, tree height estimation, and small-scale surface deformation monitoring in vegetated and snow covered regions. Vexcel has developed two processing… More

The overall objective of this work is to provide the Army with a superb software tool for the creation of 3D urban models. This software tool will be easy to use, accurate, and provides photo realistic results. This tool will be able to make use of a mixture of possible existing input data sources… More

Vexcel proposes to build an urban modeling system by combining the SketchUp 3D CAD tool with the photogrammetry based as-built modeling tool Foto-G. These tools represent the state of the art in both, intuitive 3D modeling user interface, and automation supported 3D feature extraction. The final… More

The development of tomographic SAR imaging is arguably the next big step in the evolution of imaging radar systems. The value of a successful volumetric imaging system to the US Government is clear. While successful demonstrations of volumetric imaging capabilities from various radar platforms… More

Vexcel proposes to make measurements and perform analysis regarding monostatic-bistatic equivalence phenomenology using a unique data set that has not been considered in the past for this purpose. Almost simultaneously acquired bistatic and monostatic imagery along the bistatic bisector direction… More

Polarimetric SAR interferometry (PolInSAR) is a recently developed synthetic aperture radar (SAR) imaging mode that combines the capabilities of radar polarimetry and interferometry, as well as adding new capability from a synthesis of the two techniques. PolInSAR holds the promise of being able to… More

Through this effort we will introduce a new unattended ground sensor design and architecture for measurement and signatures intelligence (MASINT). The proposed architecture will integrate several of our existing technologies including; radar tags, ground sensors, SAR image processing and ground… More

Vexcel proposes to develop a model based automatic target recognition system capable of accurate, real-time recognition rates even in the presence of limited physical training data. Potential targets include any object for which accurate 3-D CAD models can be derived including, but not limited to:… More

Vexcel is developing a Measurement and Signals Intelligence (MASINT) system that can provide persistent surveillance over a selected geographic area. The system is an Unattended Ground System (UGS) that will be able to support a diverse variety of transducers (e.g. acoustic, seismic, magnetic,… More