[Real time eye tracking--principles and quantification].
Tracking and quantification of eye movements in real time is a prerequisite for future computer assisted laser positioning for diagnostic or therapeutic purposes. Principles of TV-image processing are described: tracking of contrasts and pattern recognition tracking by object correlation; their relevance for tracking retinal targets is illustrated using authentic video material. For practical use, the pattern recognition technique qualifies better. The influence of the systems variable parameters on retinal target pursuence is described. Automatic target pursuence of authentic eye movements reached tracking success rates well above 90% thus outperforming manual tracking by one order of magnitude.
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