Screen anti-shooting system and method based on image processing

The invention relates to the field of data security, in particular to a screen anti-shooting system and method based on image processing, and the system comprises a detection module which is used for detecting the character and image information of a display screen information interface; the comparison module is used for carrying out cosine similarity comparison on the character feature set and the character confidentials in the database and carrying out similarity comparison on the image feature set and the image confidentials in the database; the sending module is used for sending the confidential information protection instruction; the monitoring module is used for monitoring the surrounding environment of the display screen according to the protection instruction to obtain target image information, generating first early warning information and sending the first early warning information to the early warning terminal; the self-checking module is used for generating second early warning information and sen