Live pig feeding whole process safety tracing method based on dynamic pig face recognition

The invention provides a live pig feeding whole-process safety tracing method based on dynamic pig face recognition, and the method comprises the steps: firstly building a pig face recognition model based on a convolutional neural network according to pig face data; secondly, a growth cycle pig face feature change tracking and matching mechanism is added into the pig face recognition model to obtain a dynamic pig face recognition model for tracking the growth cycle, meanwhile, a field video is obtained in real time, and according to the field video, the dynamic pig face recognition model for tracking the growth cycle is used to obtain a pig face recognition result; and finally, testing that the pig face is matched with the face stored in the database until the matching is successful, and displaying the pig traceability information on the interactive interface, otherwise, the traceability fails. According to the method, the pig face is dynamically recognized through the dynamic pig face recognition model which