TY JOUR TI Algorithm for fast computation of Shannon's entropy on small samples for long biometrics codes with essentially dependent digits KW entropy estimation KW Hamming entropy KW Shannon entropy KW small samples KW symmetrization of correlations KW asymmetric correlation matrix KW symmetrized matrix JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Volchikhin, V.. AU Ivanov, A.. AU Alekseiy, A.. PY 2024 IS 2024 PB Astrakhan State Technical University