Personnel knife holding identification method based on target detection

The invention discloses a target detection-based personnel knife holding identification method, which comprises the following steps of: S1, acquiring image data, and training a personnel knife holding detection model; s2, loading a personnel knife holding detection model to carry out pedestrian knife holding identification, obtaining a result and analyzing a detection result; s3, a DeepSORT model is combined with the historical time direction to judge whether a previous frame of image which is adjacent to the current shot image and contains the personnel knife holding detection frame exists in the detection frame of the personnel in the image, and each current personnel knife holding detection frame in the historical time direction in the current shot image is obtained; s4, performing tracking detection on each continuous current person knife holding detection frame; and performing corresponding tracking marking based on each current personnel knife holding detection frame in the current shot image, and judgi