Quantitative evaluation of image registration techniques in the case of retinal images

Yann Gavet; Mathieu Fernandes; Jean-Charles Pinoli

doi:10.1117/1.JEI.21.2.021118

10 May 2012 Quantitative evaluation of image registration techniques in the case of retinal images

Yann Gavet, Mathieu Fernandes, Jean-Charles Pinoli

Author Affiliations +

Journal of Electronic Imaging, Vol. 21, Issue 2, 021118 (May 2012). https://doi.org/10.1117/1.JEI.21.2.021118

Abstract

In human retina observation (with non mydriatic optical microscopes), an image registration process is often employed to enlarge the field of view. Analyzing all the images takes a lot of time. Numerous techniques have been proposed to perform the registration process. Its good evaluation is a difficult question that is then raising. This article presents the use of two quantitative criterions to evaluate and compare some classical feature-based image registration techniques. The images are first segmented and the resulting binary images are then registered. The good quality of the registration process is evaluated with a normalized criterion based on the ε dissimilarity criterion, and the figure of merit criterion (fom), for 25 pairs of images with a manual selection of control points. These criterions are normalized by the results of the affine method (considered as the most simple method). Then, for each pair, the influence of the number of points used to perform the registration is evaluated.

Citation Download Citation

Yann Gavet, Mathieu Fernandes, and Jean-Charles Pinoli "Quantitative evaluation of image registration techniques in the case of retinal images," Journal of Electronic Imaging 21(2), 021118 (10 May 2012). https://doi.org/10.1117/1.JEI.21.2.021118

Published: 10 May 2012

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