Modeling User Choice in the PassPoints Graphical Password Scheme
Thursday, July 19th, 2007http://cups.cs.cmu.edu/soups/2007/proceedings/p20_dirik.pdf
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Studies on visual attention and eye movements show that most images contain a few portions that humans typically focus on - so-called image “hotspots”. This study seeks to device a model that enables the prediction of the entropy in a given image. Such a model would enable the design of automatic “dictionary” attacks [...]