A Review of Cosmetic Contact Lens Detection in Iris Images

Electronics Engineering

For authentication and security applications the use of iris as a bio metric has been common nowadays. Acquisition of iris images is prime requirement of such large-scale applications to develop database so that identity of the people can be established. Eye specialists suggest the contact lens for correcting the eyesight. It can be used instead of the spectacles or glasses. They are however, increasingly being used for cosmetic reasons also where texture and color of iris region is superimposed with a thin textured lens. The use of a colored lens changes the appearance and texture of an eye in both the visible and the near- infrared spectrum. Detection of the presence of a contact lens is the primary step in improving the reliability of iris recognition techniques for contact lens wearers. Some soft lenses have designer patterns on them, which may be completely different from their original image. The main contribution of this paper is comparative study of different techniques used for detection of cosmetic contact lens in the Iris images.

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