Method of imaging a random medium

Details Method of imaging a random medium Method of imaging a random medium

G - Physics

01

N

350/32

G01N 21/49 (2006.01) G01N 21/47 (2006.01)

Patent

CA 1317669

ABSTRACT There is disclosed a method for imaging a three- dimensional target object or other optical inhomogeneity in a turbid medium. According to the invention, there are provided a substantially collimated beam of radiation which is directed onto a surface of a turbid medium containing a target object, and a substantially collimated receiver to receive the scat- tered radiation, The method involves performing positional scans of the scattered radiation over the surface of the turbid medium; applying the data obtained from each positional scan to form a three-dimensional image of the target object by: a. determining attenuation of emerging radiation from the target medium relative to a model medium; b. determining a relative contribution of volume elements for each source- detector configuration; c, superimposing the relative contri- bution of volume elements for all source-detector configur- ations; d. repeating the above steps a to c for all desired frequencies to obtain a spectroscopic image; and displaying the spectroscopic image.

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