Signature forgery detection device and method, computing equipment and storage medium

The invention discloses a signature forgery detection device and method, computing equipment and a storage medium, the device comprises an interaction layer, an interface layer and a service layer, the service layer comprises a receiving module suitable for receiving a to-be-detected signature picture scheduled by the interface layer and a character mark of the to-be-detected signature picture; a first segmentation module which is suitable for carrying out single character segmentation processing on the to-be-detected signature picture to obtain each to-be-detected character picture; a first feature extraction module which is suitable for extracting a hash code of each to-be-detected character picture as a character picture feature; a comparison module which is suitable for querying in a character feature library according to the character marks, comparing the character picture features of the character pictures to be detected with the queried character picture features, and if the character picture features