NDLI: Acoustic modeling for sea-mine CAD/CAC development

Content Provider	IEEE Xplore Digital Library
Author	Harbaugh, J.K. Sternlicht, D.D. Putney, A. Tinkle, M.D. Lavely, E.M.
Copyright Year	2005
Description	Author affiliation: Appl. Signal Technol., Inc., Torrance, CA, USA (Harbaugh, J.K.; Sternlicht, D.D.; Putney, A.; Tinkle, M.D.)
Abstract	Computer aided detection/classification (CAD/ CAC) algorithms have been developed to help mine warfare operators correctly identify targets within vast quantities of synthetic aperture sonar/side look sonar (SAS/SLS) imagery. Typically, large, and thus expensive, sets of target and clutter exemplars are required for the evaluation and training of these algorithms. To expedite the assessment and preliminary training of CAD/CAC algorithms for systems under development, physics-based acoustic models can be utilized to generate synthetic data-sets. Model-based recognition algorithms that predict exemplars for a given search hypothesis may use acoustic models to reduce dependence on exemplar databases. Acoustic models predicting the scatter from proud and buried targets are developed and described in this paper. A rigid-target model, using boundary integral equations for the target and a sediment-scatter model, is applied for proud and partially buried targets. This model is suitable for high-frequency, narrowband sonars. An elastic-target model using a spheroidal T matrix approach is employed for buried targets. This model captures the responses appropriate for systems that scan the sediment volume. The synthetic, acoustic datasets produced are processed into SAS images and subsequently used to investigate candidate feature sets and for CAD/ CAC algorithm development.
Starting Page	850
Ending Page	854
File Size	320178
Page Count	5
File Format	PDF
ISBN	0933957343
DOI	10.1109/OCEANS.2005.1639861
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Synthetic aperture sonar Predictive models Sonar detection Military computing Acoustic signal detection Laser sintering Prediction algorithms Databases Acoustic scattering Integral equations
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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Acoustic modeling for sea-mine CAD/CAC development

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