High resolution image processing of geophysical data with diffraction tomography

Conference · Mon Jun 01 00:00:00 EDT 1992

OSTI ID:10149023

Witten, A J ^[1]; King, W C ^[2]; Ursic, J R ^[3]

---

1. Oak Ridge National Lab., TN (United States)
2. Dept. of Geography and Environmental Engineering, Military Academy, West Point, NY (United States)
3. Environmental Protection Agency, Chicago, IL (United States). Region V

This paper presents a method of detection and imaging that has as its input the data collected from the most commonly employed geophysical tools, applies the Generalized Projection Slice Theorem (GPST) in the analysis of these data to yield results ranging from greatly improved detection to high resolution images of subsurface features and buried objects. Detection capability can be greatly enhanced by incorporating this more rigorous signal processing procedure into the statistically based maximum likelihood estimator. The paper includes a theoretical development of the new signal processing procedures, results from the implementation of the theory with a number of commonly used geophysical tools, including a presentation of the improved capability for tunnel detection and location estimation and detection of buried ordnance. High resolution imaging of a variety of buried wastes has already been achieved through the application of geophysical diffraction tomography, a method that fully exploits the principles of the GPST.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 10149023
• Report Number(s): CONF-9206171-1; ON: DE92014134
• Resource Relation: Conference: Army science conference,Orlando, FL (United States),22-25 Jun 1992; Other Information: PBD: [1992]
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
GEOPHYSICAL SURVEYS
CALCULATION METHODS
SPATIAL RESOLUTION
UNDERGROUND SPACE
REMOTE SENSING
MATHEMATICAL MODELS
SITE CHARACTERIZATION
HAZARDOUS MATERIALS
REFRACTION
REFLECTION
ELECTROMAGNETIC SURVEYS
ACOUSTIC RADAR
MAGNETOMETERS
COMPUTERIZED TOMOGRAPHY
SEISMIC DETECTION
MILITARY STRATEGY
DIFFRACTION
540210
450000
BASIC STUDIES
MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE