Frame-Rate Spatial Referencing Based on Invariant Indexing and Alignment with Application to Laser Retinal Surgery


This paper describes a fast feature-based algorithm for accurately estimating the absolute location of a surgical tool (a laser), pointed at the curved human retina, from a series of image frames. The method is capable of a 91 % success rate with just a third of the feature extraction computation, taking 37 ms overall per image on a 9OOMHz Pentium III. The… (More)
DOI: 10.1109/CVPR.2001.990459


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