Partial rotation invariance in retinal pattern recognition

Richard D. Juday; Jerome Knopp; Colin Soutar; R. Shane Barton

doi:10.1117/12.179281

24 June 1994 Partial rotation invariance in retinal pattern recognition

Richard D. Juday, Jerome Knopp, Colin Soutar, R. Shane Barton

Proceedings Volume 2239, Visual Information Processing III; (1994) https://doi.org/10.1117/12.179281
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

We desire to have a joint transform correlator track features in the image of a human retina. Previous binarized digital methods indicated unacceptable limitations in tracking through torsion motions of the eye. To create an extended range of response to eyeball rotation we tried several methods of processing the reference image. We compared laboratory measurements with digital simulations. Based on small statistics and our noiseless models, the results disagree; the digital method has less range, and the optical method has sufficient range (+/- 5 degree(s)) for our purpose.

Citation Download Citation

Richard D. Juday, Jerome Knopp, Colin Soutar, and R. Shane Barton "Partial rotation invariance in retinal pattern recognition", Proc. SPIE 2239, Visual Information Processing III, (24 June 1994); https://doi.org/10.1117/12.179281

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