Abstract: Every human have its unique identity and it is useful in technology for different purpose. Automatic identification
of an individual person based on a unique feature possessed by the individual. The entire universe every educational
institution is apprehensive in relation to the attendance of specifically since this has a repercussion on their
comprehensive accomplish. Generally attendance of students are conducted by signing on paper otherwise
calling student roll number which is extremely time shattering. There may be chance one student can give other
presents. For eliminate this problem one of the solutions is a attendance system which is biometric-based
this can automatically capture students attendance by perceiving student iris.
Iris identification is evaluated as one of the most liege, faultless and well planned biometric identification
system owing to the inner mannerism of iris, such as singularity., disobedience and time steady. Iris recognition is
contemplate as the most assured and inch-perfect biometric identification system convenient. Daugman developed patented
algorithms which uses by Most commercial iris recognition systems and this algorithms produce accurate recognition rates.
Keywords: Radius Calculation, Segmentation, Pattern recog, Iris biometrics, Authentication, nition, Active Camera, User
biometrics.