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Endoscopic method for large-depth optical imaging of interior body organs

Endoscopic method for large-depth optical imaging of interior body organs

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An optical imaging method is described, that offers imaging depth of the order of 1 cm and can be realised utilising existing medical endoscopes with the incorporation of appropriate modifications. This imaging method employs polarisation and spectral light discrimination in combination with image processing to remove a large portion of the image information from the outer layers of the tissue which leads to enhancement of the contrast and visibility of subsurface tissue structures.

Inspec keywords: bio-optics; biomedical equipment; medical image processing; fibre optic sensors; biological organs; CCD image sensors; optical polarisers

Other keywords: image-collection; image processing; chicken breast tissue layers; spectral polarisation difference imaging; contrast enhancement; interior body organs; endoscopic method; fibre bundle; white-light source; large-depth optical imaging; subsurface tissue structures

Subjects: Optical and laser radiation (medical uses); Optical and laser radiation (biomedical imaging/measurement); Fibre optic sensors; fibre gyros; Optical, image and video signal processing; Fibre optic sensors; Image sensors; Spatial filters, zone plates, and polarizers; Image detectors, convertors, and intensifiers; Patient diagnostic methods and instrumentation

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      • Tuchin, V.: `Tissue optics, Part 1', SPIE Press, Bellingham, Washington, USA).
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      • S.G. Demos , R.R. Alfano . Optical polarization imaging. Appl. Opt. , 150 - 155
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      • R.R. Anderson . Polarized light examination and photography of the skin. Arch. Dermatol.
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      • S.G. Demos , H.B. Radousky , R.R. Alfano . Deep subsurface imaging in tissues using spectral and polarization filtering. Opt. Express , 23 - 28
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