Device and method for automatically measuring sheep body size from side-view and top-view double-view-angle image

The invention discloses a device for automatically measuring the size of a sheep body from side-view and top-view double-view-angle images. The device mainly comprises an access control system controlled by a PLC (Programmable Logic Controller), an image acquisition module provided with a side-view camera and a top-view camera, and an image acquisition chamber. Transparent glass is arranged on one side of the image acquisition chamber, a movable baffle connected with an electric push rod is arranged on the other side of the image acquisition chamber, and the width of the image acquisition chamber is automatically adjusted according to the size of the sheep acquired from the top view image to meet the body size measurement requirements of the sheep with different body conditions. The method comprises the following steps: correcting side-looking and top-looking images by utilizing the characteristic that foreground minimum enclosing rectangles in the side-looking and top-looking images are equal in length, auto