A study of multibiometric traits of identical twins

Zhenan Sun; Alessandra A. Paulino; Jianjiang Feng; Zhenhua Chai; Tieniu Tan; Anil K. Jain

doi:10.1117/12.851369

14 April 2010 A study of multibiometric traits of identical twins

Zhenan Sun, Alessandra A. Paulino, Jianjiang Feng, Zhenhua Chai, Tieniu Tan, Anil K. Jain

Proceedings Volume 7667, Biometric Technology for Human Identification VII; 76670T (2010) https://doi.org/10.1117/12.851369
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

The increase in twin births has created a requirement for biometric systems to accurately determine the identity of a person who has an identical twin. The discriminability of some of the identical twin biometric traits, such as fingerprints, iris, and palmprints, is supported by anatomy and the formation process of the biometric characteristic, which state they are different even in identical twins due to a number of random factors during the gestation period. For the first time, we collected multiple biometric traits (fingerprint, face, and iris) of 66 families of twins, and we performed unimodal and multimodal matching experiments to assess the ability of biometric systems in distinguishing identical twins. Our experiments show that unimodal finger biometric systems can distinguish two different persons who are not identical twins better than they can distinguish identical twins; this difference is much larger in the face biometric system and it is not significant in the iris biometric system. Multimodal biometric systems that combine different units of the same biometric modality (e.g. multiple fingerprints or left and right irises.) show the best performance among all the unimodal and multimodal biometric systems, achieving an almost perfect separation between genuine and impostor distributions.

Citation Download Citation

Zhenan Sun, Alessandra A. Paulino, Jianjiang Feng, Zhenhua Chai, Tieniu Tan, and Anil K. Jain "A study of multibiometric traits of identical twins", Proc. SPIE 7667, Biometric Technology for Human Identification VII, 76670T (14 April 2010); https://doi.org/10.1117/12.851369

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