CHAPTER Krivokuca_SPRINGEROPEN-2_2019/IDIAP Towards Measuring the Amount of Discriminatory Information in Finger Vein Biometric Characteristics Using a Relative Entropy Estimator Krivokuca, Vedrana Gomez-Barrero, Marta Marcel, Sébastien Rathgeb, Christian Busch, Christoph Uhl, Andreas Ed. Busch, Christoph Ed. Marcel, Sébastien Ed. Veldhuis, Raymond Ed. EXTERNAL https://publications.idiap.ch/attachments/papers/2020/Krivokuca_SPRINGEROPEN-2_2019.pdf PUBLIC Handbook of Vascular Biometrics 2019 Springer Open 507-525