Microcosmic coding image forgery detection method and device, equipment and medium

The invention discloses a forgery detection method, device and equipment for a microcosmic coding image and a medium, and relates to the technical field of image detection, and the method comprises the steps: respectively recognizing contour point position information, edge point position information and the total number of edge points of at least one microcosmic coding region in the microcosmic coding image; for each microcosmic coding region, extracting contour features of the microcosmic coding region according to contour point position information of the microcosmic coding region; according to the size information of the microcosmic coding image, the edge point position information of each microcosmic coding area and the total number of edge points, coding area edge features of the microcosmic coding image are extracted; extracting image noise features and image texture features of the microcosmic coding image; and according to the image noise feature, the image texture feature, the coding region edge fea