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Phys Med Biol. 2002 Nov 7;47(21):3847-52.

Visualization and classification in biomedical terahertz pulsed imaging.

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  • 1Physikalisches Institut der J W Goethe-Universität, Robert-Mayer-Str. 2-4, D-60054 Frankfurt, Germany.


'Visualization' in imaging is the process of extracting useful information from raw data in such a way that meaningful physical contrasts are developed. 'Classification' is the subsequent process of defining parameter ranges which allow us to identify elements of images such as different tissues or different objects. In this paper, we explore techniques for visualization and classification in terahertz pulsed imaging (TPI) for biomedical applications. For archived (formalin-fixed, alcohol-dehydrated and paraffin-mounted) test samples, we investigate both time- and frequency-domain methods based on bright- and dark-field TPI. Successful tissue classification is demonstrated.

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