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The Warsaw Voice » Other » December 3, 2008
Technology
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Polish Iris Recognition Software Wins Award
December 3, 2008   
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An iris recognition method developed by Polish researchers at the Technical University of £ód¼ won second prize at an international competition organized by the University of Beira Interior in Portugal.

The IrisStation software, referred to as "a high-resolution iris image acquisition system for biometric applications," was developed by Wojciech Sankowski, M.Sc., under the supervision of Prof. Andrzej Napieralski at the Department of Microelectronics and Computer Science of the Technical University of £ód¼.

The method also won a gold medal at the 56th Innova International Eureka Contest in Belgium in November last year.

Most iris recognition methods use camera technology, with subtle infrared illumination reducing specular reflection from the convex cornea, to create images of the detail-rich, intricate structures of the iris. Converted into digital templates, these images provide mathematical representations of the iris that yield unambiguous positive identification of an individual.

"We obtain a mathematical description of the structure of the iris and then compare it with the data stored in a database to identify the person from the photograph," says Sankowski.

Irish recognition has increasingly been the focus of research and discussion in recent years. Iris recognition is the process of recognizing a person by analyzing the pattern of his or her iris. In other words, the biometric authentication process uses pattern recognition techniques based on high-resolution images of the irises of an individual's eyes.

The recognition and identification of the iris is one of the biometric methods for identifying people. The method has various applications in areas such as security systems, criminology and medicine. It serves to prevent unauthorized access to ATMs and computers, prevent entry by outsiders into secure buildings, register check-in and check-out time at workplaces and border crossings in countries such as the United States and Australia, and to diagnose early symptoms of Alzheimer's disease.

The iris scanning method is based on the unique pattern of the iris of every individual. Many experts say the technique, in comparison to the analysis of such biometric traits as fingerprints and even DNA, is much more reliable and precise. The iris is said to be the best ID of an individual.

"A number of iris pattern-based identification systems are available on the market today," says Sankowski. "However, their effectiveness is limited, which poses a barrier to many potential applications. Hence the importance of further research, which will make it possible to apply the technology in such demanding systems as ATM networks."

The Technical University of £ód¼ Department of Microelectronics and Computer Science has conducted research on iris scanning methods for several years. Its IrisStation system outperformed 27 other designs from across the world in the University of Beira Interior competition. These included entries submitted by countries such as China, Portugal, South Korea, the United States, Italy, and Spain. This year's competition finalists could publish the results of their research in an international specialist periodical entitled Elsevier Image and Vision Computing.

Julia Paw³owska
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