METHOD FOR PERSONAL IDENTIFICATION BASED ON THE HAND VEIN PATTERN Russian patent published in 2021 - IPC G06K9/66 

FIELD: data processing.

SUBSTANCE: invention relates to biometrics, namely, to the technology for protecting various objects from access by unauthorised persons by means of personal identification based on the hand vein pattern (HVP). A method for personal identification based on the hand vein pattern, including stream reading of the hand vein pattern of the subject of identification, retrieval of a frame from the stream, analysis of the obtained frame, the fact of biometric identification, wherein, prior to the stream reading of the hand vein pattern of the subject of identification, the target subject of identification and the corresponding neural network are selected, and after receiving the frame from the stream, pre-processing thereof is conducted without changing the type of data, wherein the obtained frame is analysed by a convolutional neural network pre-trained for binary classification of images of a known format into two classes, wherein one of said classes indicates the correspondence between the frame and the selected subject of identification and the second class indicates the non-correspondence between the frame and the selected subject identification, whereas the result of the analysis is the vector of probabilities of the attribution of the selected image to each of the two named classes: P_i=(p_ti, p,_fi), |I|=n, wherein I is the set of subjects i wherein the probabilities of neural network models predicting the probabilities of attribution of the frame to the subject of identification P_i correspond to said subjects; n is the power of the sets I, p_ti is the probability of the frame being attributed to the subject of identification i, R_fi is the probability of the frame not being attributed to the subject of identification i; wherein the fact of biometric identification is set in accordance with the condition p_ti ≥ P_approve.

EFFECT: increase the accuracy and speed of personal identification.

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