Correction of eye-motion artifacts in AO-OCT data sets

Arlie G. Capps; Robert J. Zawadzki; Qiang Yang; David W. Arathorn; Curtis R. Vogel; Bernd Hamann; John S. Werner

doi:10.1117/12.874376

11 February 2011 Correction of eye-motion artifacts in AO-OCT data sets

Arlie G. Capps, Robert J. Zawadzki, Qiang Yang, David W. Arathorn, Curtis R. Vogel, Bernd Hamann, John S. Werner

Proceedings Volume 7885, Ophthalmic Technologies XXI; 78850D (2011) https://doi.org/10.1117/12.874376
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

Eye movements present during acquisition of a retinal image with optical coherence tomography (OCT) introduce motion artifacts into the image, complicating analysis and registration. This effect is especially pronounced in highresolution data sets acquired with adaptive optics (AO)-OCT instruments. Several retinal tracking systems have been introduced to correct retinal motion during data acquisition. We present a method for correcting motion artifacts in AOOCT volume data after acquisition using simultaneously captured adaptive optics-scanning laser ophthalmoscope (AOSLO) images. We extract transverse eye motion data from the AO-SLO images, assign a motion adjustment vector to each AO-OCT A-scan, and re-sample from the scattered data back onto a regular grid. The corrected volume data improve the accuracy of quantitative analyses of microscopic structures.

Citation Download Citation

Arlie G. Capps, Robert J. Zawadzki, Qiang Yang, David W. Arathorn, Curtis R. Vogel, Bernd Hamann, and John S. Werner "Correction of eye-motion artifacts in AO-OCT data sets", Proc. SPIE 7885, Ophthalmic Technologies XXI, 78850D (11 February 2011); https://doi.org/10.1117/12.874376

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