Development and evaluation of spectral classification algorithms for fluorescence guided laser angioplasty

Kenneth M. O'Brien, Arthur F Gmitro, Gene R. Gindi, Mark L. Stetz, Francis W. Cutruzzola, Lawrence I. Laifer, Lawrence I. Deckelbaum

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The feasibility of utilizing spectral information to discriminate arterial tissue type is considered. Arterial fluorescence spectra from 350 to 700 nm were obtained from 100 human aortic specimens. Seven spectral classification algorithms were developed with the following techniques: multivariate linear regression, stepwise multivariate linear regression, principal components analysis, decision plane analysis, Bayes decision theory, principal peak ratio, and spectral width. The classification ability of each algorithm was evaluated by its application to the training set and to a validation set containing 82 additional spectra. All seven spectral classification algorithms prospectively classified atherosclerotic and normal aortas with an accuracy greater than 80% (range: 82-96%). Laser angioplasty systems incorporating spectral classification algorithms may therefore be capable of detection and selective ablation of atherosclerotic plaque.

Original languageEnglish (US)
Pages (from-to)424-431
Number of pages8
JournalIEEE Transactions on Biomedical Engineering
Volumev
Issue numbern
StatePublished - 1992
Externally publishedYes

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Fluorescence
Lasers
Linear regression
Decision theory
Ablation
Principal component analysis
Tissue

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

O'Brien, K. M., Gmitro, A. F., Gindi, G. R., Stetz, M. L., Cutruzzola, F. W., Laifer, L. I., & Deckelbaum, L. I. (1992). Development and evaluation of spectral classification algorithms for fluorescence guided laser angioplasty. IEEE Transactions on Biomedical Engineering, v(n), 424-431.

Development and evaluation of spectral classification algorithms for fluorescence guided laser angioplasty. / O'Brien, Kenneth M.; Gmitro, Arthur F; Gindi, Gene R.; Stetz, Mark L.; Cutruzzola, Francis W.; Laifer, Lawrence I.; Deckelbaum, Lawrence I.

In: IEEE Transactions on Biomedical Engineering, Vol. v, No. n, 1992, p. 424-431.

Research output: Contribution to journalArticle

O'Brien, KM, Gmitro, AF, Gindi, GR, Stetz, ML, Cutruzzola, FW, Laifer, LI & Deckelbaum, LI 1992, 'Development and evaluation of spectral classification algorithms for fluorescence guided laser angioplasty', IEEE Transactions on Biomedical Engineering, vol. v, no. n, pp. 424-431.
O'Brien, Kenneth M. ; Gmitro, Arthur F ; Gindi, Gene R. ; Stetz, Mark L. ; Cutruzzola, Francis W. ; Laifer, Lawrence I. ; Deckelbaum, Lawrence I. / Development and evaluation of spectral classification algorithms for fluorescence guided laser angioplasty. In: IEEE Transactions on Biomedical Engineering. 1992 ; Vol. v, No. n. pp. 424-431.
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