Real-eye detection using multiple polarization configurations

A biometric recognition system configured to perform real-eye detection, the system comprising a polarization-sensitive camera configured to:

• capture a first image comprising a representation of an iris, which first image is captured utilizing polarized light reflected at the iris and received at a polarization-sensitive camera capturing said first image, the first image being captured with a first polarization configuration being applied;
• capture a second image comprising a representation of the iris, which second image is captured utilizing polarized light reflected at the iris and received at a polarization-sensitive camera capturing said second image, the second image being captured with a second polarization configuration being applied;
• the system further comprising a processing unit configured to:
• detect, from the representations of the iris of the first and second images, whether birefringent features of a cornea are correctly rendered in both the first and the second image;
• and if so:
• determine that the iris originates from a real eye.