Publications [#61690] of Joseph A. Izatt

Papers Published

1. Choma, M.A. and Yazdanfar, S. and Izatt, J.A., Wavelet and model-based spectral analysis of color doppler optical coherence tomography, Opt. Commun. (Netherlands), vol. 263 no. 1 (2006), pp. 124 - 8 [019]
   (last updated on 2007/04/13)

   Abstract:
   Color doppler optical coherence tomography (CD-OCT) uses time-frequency analysis (TFA) to extract motion-induced Doppler shifted in the interferometric OCT signal. In this paper, the performance of three TFAs are compared in a scattering flow phantom and in in vivo human retina: the short-time Fourier transform, the Morlet-wavelet transform, and the short-time MUSIC transform (STMT). The STMT is a new TFA that incorporates the MUSIC eigenfrequency estimator in a generalized short-time framework. The Morlet transform excels at identifying blood vessels, while the STMT is the most accurate predictor of Doppler shift frequency. [All rights reserved Elsevier]

   Keywords:
   biomedical optical imaging;blood vessels;Doppler shift;eigenvalues and eigenfunctions;eye;Fourier transforms;haemodynamics;light interferometry;light scattering;medical image processing;optical tomography;phantoms;spectral analysis;