Many image processing software applications in the market offer redeye removal solutions. Most of these methods have been patented mainly by big companies. In this paper we summarize the history and the state of the art of redeye detection and correction in digital photography, starting from the analysis of these patents. We describe the main approaches with the help of flowcharts and figures, with special emphasis on how to evaluate the whole process of detection and correction with respect to the final results and what the user would like to obtain.
Keywords: Redeye removal, redeye detection, redeye correction
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