Compressive inverse scattering using ultrashort pulses

Kyung Hwan Jin; Kanghee Lee; Jaewook Ahn; Jong Chul Ye

doi:10.1117/12.849068

27 January 2010 Compressive inverse scattering using ultrashort pulses

Kyung Hwan Jin, Kanghee Lee, Jaewook Ahn, Jong Chul Ye

Proceedings Volume 7533, Computational Imaging VIII; 75330D (2010) https://doi.org/10.1117/12.849068
Event: IS&T/SPIE Electronic Imaging, 2010, San Jose, California, United States

Abstract

Inverse scattering refers the retrieval of the unknown constitutive parameters from measured scattered wave fields, and has many applications such as ultrasound imaging, optics, T-ray imaging, radar, and etc. Two distinct imaging strategies have been commonly used: narrow band inverse scattering approaches using a large number of transmitters and receivers, or wideband imaging approaches with smaller number of transmitters and receivers. In some biomedical imaging applications, the limited accessibility of scattered fields using externally located antenna arrays usually prefers the wideband imaging approaches. The main contribution of this paper is, therefore, to analyze the wideband inverse scattering problem from compressive sensing perspective. Specifically, the mutual coherence of the wideband imaging geometry is analyzed, which reveals a significant advantage to identify the sparse targets from very limited number of measurements.

Citation Download Citation

Kyung Hwan Jin, Kanghee Lee, Jaewook Ahn, and Jong Chul Ye "Compressive inverse scattering using ultrashort pulses", Proc. SPIE 7533, Computational Imaging VIII, 75330D (27 January 2010); https://doi.org/10.1117/12.849068

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