Ishimaru, Akira and Jaruwatanadilok, Sermsak and Kuga, Yasuo (2012) Imaging through random multiple scattering media using integration of propagation and array signal processing. Waves in Random and Complex Media, 22 (1). pp. 24-39. ISSN 1745-5030. doi:10.1080/17455030.2010.528065. https://resolver.caltech.edu/CaltechAUTHORS:20120622-094419544
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Abstract
Imaging of objects through complex environment is important in several applications, including imaging of hidden objects in obscuring media such as atmospheric and ocean turbulence, rough ocean surfaces, rain, fog, snow, and biological tissues. These media are often randomly varying in space and time, and statistical treatments are necessary to obtain images with useful spatial and temporal resolutions. In recent years, there has been increasing interest in using signal processing and correlation techniques to improve resolutions and to distinguish images from clutter. This paper presents several imaging techniques for objects in the presence of random media. Time-reversal MUSIC (multiple signal classification) imaging has excellent resolution when multiple scattering is small or moderate. Modified beamformer imaging has moderately high resolution even at large multiple scattering. We also include time reversal (TR) and synthetic aperture radar (SAR) imaging for comparison. The technique involves stochastic Green's function and mutual coherence function (MCF), eigenvectors of time-reversal matrix and pseudo spectrum. Numerical examples are given to show the effectiveness of these imaging techniques.
Item Type: | Article | |||||||||
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Additional Information: | © 2012 Taylor & Francis Group. Received 23 February 2010; final version received 24 September 2010. Available online: 04 Jan 2012. This work was supported by the Office of Naval Research (N00014-07-1-0428) and the National Science Foundation (ECS0601394 and ECCS0925034). | |||||||||
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Issue or Number: | 1 | |||||||||
DOI: | 10.1080/17455030.2010.528065 | |||||||||
Record Number: | CaltechAUTHORS:20120622-094419544 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120622-094419544 | |||||||||
Official Citation: | Imaging through random multiple scattering media using integration of propagation and array signal processing Akira Ishimaru, Sermsak Jaruwatanadilok, Yasuo Kuga Waves in Random and Complex Media Vol. 22, Iss. 1, 2012 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 32030 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Jason Perez | |||||||||
Deposited On: | 22 Jun 2012 17:03 | |||||||||
Last Modified: | 09 Nov 2021 20:03 |
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