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Imaging through scattering medium from multiple speckle images using microlens array

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2 Author(s)
Abookasis, D. ; Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel ; Rosen, J.

We propose and experimentally demonstrate a new method of seeing objects hidden in a scattering medium from multiple speckle images. The objects hidden between two biological tissues (chicken breast) are reconstructed from many speckled images formed by a microlens array. Each microlens from the array projects a small different speckle image of the hidden object onto a CCD camera. The entire set of noisy images from the array are digitally processed to obtain the desired image of the hidden objects. Following the first proposed method, a different algorithm implemented on the same optical system has been developed. This modified algorithm, based on the point-source reference method improves the resolution of the previous method. Laboratory experiments with two kinds of objects are presented.

Published in:

Electrical and Electronics Engineers in Israel, 2004. Proceedings. 2004 23rd IEEE Convention of

Date of Conference:

6-7 Sept. 2004

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