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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 12 — Jun. 15, 1999
  • pp: 814–816

Snake-based method for the segmentation of objects in multichannel images degraded by speckle

Olivier Germain and Philippe Réfrégier  »View Author Affiliations


Optics Letters, Vol. 24, Issue 12, pp. 814-816 (1999)
http://dx.doi.org/10.1364/OL.24.000814


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Abstract

We recently proposed a new approach for the segmentation of speckled images based on active contours (snakes) [e.g., Opt. Commun. 137, 382 (1997)]. We propose an extension of this approach to multichannel data. Two solutions are compared based on hypotheses on the possible mean intensity variation between the channels. Each solution is optimal for a certain class of input images, but one solution shows better or equivalent performance for both input image classes. This result opens new perspectives for the segmentation of multichannel images with the snake-based approach.

© 1999 Optical Society of America

OCIS Codes
(070.5010) Fourier optics and signal processing : Pattern recognition
(100.2960) Image processing : Image analysis

Citation
Olivier Germain and Philippe Réfrégier, "Snake-based method for the segmentation of objects in multichannel images degraded by speckle," Opt. Lett. 24, 814-816 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-12-814


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References

  1. J. W. Goodman, in Laser Speckle and Related Phenomena, J. C. Dainty, ed., Vol. 9 of Topics in Applied Physics (Springer-Verlag, Berlin, 1975), pp. 9–75.
  2. J. Bruniquel and A. Lopes, Proc. SPIE 2315, 342 (1994).
  3. A. Cumani, CVGIP Graph. Models Image Process. 53, 40 (1991).
  4. P. E. Trahanias and A. N. Venetsanopoulos, IEEE Trans. Image Process. 2, 528 (1993).
  5. O. Germain and Ph. Réfrégier, Opt. Lett. 22, 1845 (1996).
  6. C. Chesnaud, V. Pagé, and Ph. Réfrégier, Opt. Lett. 7, 488 (1998).
  7. Ph. Réfrégier, O. Germain, and T. Gaidon, Opt. Commun. 137, 382 (1997).

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