NDLI: Dual use of image based tracking techniques: laser eye surgery and low vision prosthesis

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Dual use of image based tracking techniques: laser eye surgery and low vision prosthesis

Content Provider	NASA Technical Reports Server (NTRS)
Author	Juday, Richard D.
Copyright Year	1994
Description	With a concentration on Fourier optics pattern recognition, we have developed several methods of tracking objects in dynamic imagery to automate certain space applications such as orbital rendezvous and spacecraft capture, or planetary landing. We are developing two of these techniques for Earth applications in real-time medical image processing. The first is warping of a video image, developed to evoke shift invariance to scale and rotation in correlation pattern recognition. The technology is being applied to compensation for certain field defects in low vision humans. The second is using the optical joint Fourier transform to track the translation of unmodeled scenes. Developed as an image fixation tool to assist in calculating shape from motion, it is being applied to tracking motions of the eyeball quickly enough to keep a laser photocoagulation spot fixed on the retina, thus avoiding collateral damage.
File Size	447023
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940025950
Archival Resource Key	ark:/13960/t2q57hx5z
Language	English
Publisher Date	1994-02-01
Access Restriction	Open
Subject Keyword	Aerospace Medicine Eye Anatomy Fourier Transformation Image Processing Surgery Vision Retina Pattern Recognition Ophthalmology Laser Applications Tracking Position Visual Perception Technology Utilization Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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