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2017 | OriginalPaper | Buchkapitel

Learning to Deblur Adaptive Optics Retinal Images

verfasst von : Anfisa Lazareva, Muhammad Asad, Greg Slabaugh

Erschienen in: Image Analysis and Recognition

Verlag: Springer International Publishing

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Abstract

In this paper we propose a blind deconvolution approach for reconstruction of Adaptive Optics (AO) high-resolution retinal images. The framework employs Random Forest to learn the mapping of retinal images onto the space of blur kernels expressed in terms of Zernike coefficients. A specially designed feature extraction technique allows inference of blur kernels for retinal images of various quality, taken at different locations of the retina. This model is validated on synthetically generated images as well as real AO high-resolution retinal images. The obtained results on the synthetic data showed an average root-mean-square error of 0.0051 for the predicted blur kernels and 0.0464 for the reconstructed images, compared to the ground truth (GT). The assessment of the reconstructed AO retinal images demonstrated that the contrast, sharpness and visual quality of the images have been significantly improved.

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Metadaten
Titel
Learning to Deblur Adaptive Optics Retinal Images
verfasst von
Anfisa Lazareva
Muhammad Asad
Greg Slabaugh
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-59876-5_55

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