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Iris Image Quality Assessment
 Vaško, Marek ; Herout, Adam (oponent) ; Hradiš, Michal (vedoucí práce)
Iris image recognition is one of the most accurate ways of biometric identification. Various verification errors can be caused if the biometric system receives poor input. By assessing the image quality it is possible to eliminate inputs causing such errors. There is a relatively insignificant development in the field of iris quality assessment and many methods that could potentially be used have not been tested in this area yet. This work focuses on different quality assessment methods used in face recognition. These quality assessment methods are then applied to the area of iris identification. The solution uses verification systems based on various iResNet and MobileNetV3 architectures. Selected quality assessment methods are applied to individual systems. Different quality assessment methods train either the system directly or use its outputs to obtain information about quality. The resulting system achieves a reduction of false non-match rate by up to 56% with the absolute value of 0.5% for iResNet50 and up to 22 \% with the absolute value of 6.4% for MobileNetV3 when using the best quality assessment method. The results are given for the data set University of Notre Dame Iris CrossSensor 2013 with an input reject rate of 10% and a false match rate of 0.1%.
Úplný záznam
Iris Image Quality Assessment
 Vaško, Marek ; Herout, Adam (oponent) ; Hradiš, Michal (vedoucí práce)
Iris image recognition is one of the most accurate ways of biometric identification. Various verification errors can be caused if the biometric system receives poor input. By assessing the image quality it is possible to eliminate inputs causing such errors. There is a relatively insignificant development in the field of iris quality assessment and many methods that could potentially be used have not been tested in this area yet. This work focuses on different quality assessment methods used in face recognition. These quality assessment methods are then applied to the area of iris identification. The solution uses verification systems based on various iResNet and MobileNetV3 architectures. Selected quality assessment methods are applied to individual systems. Different quality assessment methods train either the system directly or use its outputs to obtain information about quality. The resulting system achieves a reduction of false non-match rate by up to 56% with the absolute value of 0.5% for iResNet50 and up to 22 \% with the absolute value of 6.4% for MobileNetV3 when using the best quality assessment method. The results are given for the data set University of Notre Dame Iris CrossSensor 2013 with an input reject rate of 10% and a false match rate of 0.1%.
Úplný záznam

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