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Optics Letters

Optics Letters


  • Vol. 29, Iss. 24 — Dec. 15, 2004
  • pp: 2878–2880

Speckle reduction in optical coherence tomography images by use of a spatially adaptive wavelet filter

Desmond C. Adler, Tony H. Ko, and James G. Fujimoto  »View Author Affiliations

Optics Letters, Vol. 29, Issue 24, pp. 2878-2880 (2004)

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A spatially adaptive two-dimensional wavelet filter is used to reduce speckle noise in time-domain and Fourier-domain optical coherence tomography (OCT) images. Edges can be separated from discontinuities that are due to noise, and noise power can be attenuated in the wavelet domain without significantly compromising image sharpness. A single parameter controls the degree of noise reduction. When this filter is applied to ophthalmic OCT images, signal-to-noise ratio improvements of >7 dB are attained, with a sharpness reduction of <3% .

© 2004 Optical Society of America

OCIS Codes
(100.2980) Image processing : Image enhancement
(100.7410) Image processing : Wavelets
(110.4500) Imaging systems : Optical coherence tomography

Desmond C. Adler, Tony H. Ko, and James G. Fujimoto, "Speckle reduction in optical coherence tomography images by use of a spatially adaptive wavelet filter," Opt. Lett. 29, 2878-2880 (2004)

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  1. D. Huang, E. A. Swanson, C. P. Lin, J. C. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, Science 254, 1178 (1991).
  2. J. M. Schmitt, S. H. Xiang, and K. M. Yung, J. Biomed. Opt. 4, 95 (1999).
  3. N. Iftimia, B. E. Bouma, and G. J. Tearney, J. Biomed. Opt. 8, 260 (2003).
  4. M. Pircher, E. Gotzinger, R. Leitgeb, A. F. Fercher, and C. K. Hitzenberger, J. Biomed. Opt. 8, 565 (2003).
  5. J. Rogowska and M. E. Brezinski, Phys. Med. Biol. 47, 641 (2002).
  6. H. Choi, T. E. Milner, and A. C. Bovik, presented at A New Beginning for Human Health: Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Cancun Mexico, September 17–21, 2003.
  7. S. G. Chang, B. Yu, and M. Vetterli, IEEE Trans. Image Process 9, 1522 (2000).
  8. R. R. Coifman and D. L. Donoho, Translation Invariant Denoising (Springer-Verlag, Berlin, 1994).
  9. T. H. Ko, D. C. Adler, D. Mamedov, V. Prokhorov, V. Shidlovski, S. Yakubovich, and J. G. Fujimoto, Opt. Express 12, 2112 (2004), http://www.opticsexpress.org.
  10. M. Wojtkowski, V. J. Srinivasan, T. H. Ko, J. G. Fujimoto, A. Kowalczyk, and J. S. Duker, Opt. Express 12, 2404 (2004), http://www.opticsexpress.org.
  11. F. Sattar, L. Floreby, G. Salomonsson, and B. Lovstrom, IEEE Trans. Image Process. 6, 888 (1997).

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