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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 13 — Dec. 2, 2009

Hybrid filtering and enhancement of high-resolution adaptive-optics retinal images

Hua Bao, Changhui Rao, Yudong Zhang, Yun Dai, Xuejun Rao, and Yubo Fan  »View Author Affiliations


Optics Letters, Vol. 34, Issue 22, pp. 3484-3486 (2009)
http://dx.doi.org/10.1364/OL.34.003484


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Abstract

Adaptive optics flood-illuminated imaging technology has been successfully used to correct the wavefront aberration of human eyes to obtain high-resolution retinal images. However, because of the pollution of various types of noise and the degradation caused by residual aberration, the noisy images are not very clear and weak edges are difficult to discern. To reveal the abundant detail hidden by large-scale noise and to enhance low-contrast edges, a hybrid filtering and enhancment method is proposed combining bilateral filtering, coherence diffusion, and edge enhancement. Results show that it is effective to improve the visual quality of retinal cell images.

© 2009 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.2000) Image processing : Digital image processing
(100.2980) Image processing : Image enhancement

ToC Category:
Image Processing

History
Original Manuscript: July 15, 2009
Revised Manuscript: September 8, 2009
Manuscript Accepted: September 24, 2009
Published: November 4, 2009

Virtual Issues
Vol. 4, Iss. 13 Virtual Journal for Biomedical Optics

Citation
Hua Bao, Changhui Rao, Yudong Zhang, Yun Dai, Xuejun Rao, and Yubo Fan, "Hybrid filtering and enhancement of high-resolution adaptive-optics retinal images," Opt. Lett. 34, 3484-3486 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-34-22-3484

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