CONF Krivokuca_ISBA2018_2018/IDIAP Towards Quantifying the Entropy of Fingervein Patterns across Different Feature Extractors Krivokuca, Vedrana Marcel, Sébastien EXTERNAL http://publications.idiap.ch/attachments/papers/2017/Krivokuca_ISBA2018_2018.pdf PUBLIC 2018 IEEE 4th International Conference on Identity, Security, and Behavior Analysis (ISBA) 2018