1 April 2008 Edge projections for eye localization
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An algorithm for human-eye localization in images is presented for faces with frontal pose and upright orientation. A given face region is filtered by a highpass wavelet-transform filter. In this way, edges of the region are highlighted, and a caricature-like representation is obtained. Candidate points for each eye are detected after analyzing horizontal projections and profiles of edge regions in the highpass-filtered image. All the candidate points are then classified using a support vector machine. Locations of each eye are estimated according to the most probable ones among the candidate points. It is experimentally observed that our eye localization method provides promising results for image-processing applications.
Mehmet Turkan, Montse Pardas, A. Enis Cetin, "Edge projections for eye localization," Optical Engineering 47(4), 047007 (1 April 2008). https://doi.org/10.1117/1.2902437


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