NOISE 2 imaging system: seeing through scattering tissue with a reference point
Optics Letters, Vol. 29, Issue 9, pp. 956-958 doi:10.1364/OL.29.000956
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- OCIS Codes:
- (030.6140) Coherence and statistical optics : Speckle
- (030.6600) Coherence and statistical optics : Statistical optics
- (170.1650) Medical optics and biotechnology : Coherence imaging
- (170.3010) Medical optics and biotechnology : Image reconstruction techniques
- (170.3880) Medical optics and biotechnology : Medical and biological imaging
Citation
David Abookasis and Joseph Rosen, "NOISE 2 imaging system: seeing through scattering tissue with
a reference point," Opt. Lett. 29, 956-958 (2004)
http://www.opticsinfobase.org/abstract.cfm?URI=ol-29-9-956
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We propose a fly-eye-like imaging system for seeing objects embedded in scattering media. Objects are recovered from many speckled images observed by a digital camera through a microlens array. Each microlens in the array generates a speckle image of the object buried between two layers of chicken breast tissue. In the computer each image is Fourier transformed jointly with an image of the speckled pointlike source captured under the same conditions. A set of the squared magnitudes of the Fourier-transformed pictures is accumulated to form a single average picture. This final picture is again Fourier transformed, resulting in the reconstruction of the hidden object.
© 2004 Optical Society of America
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