Region of interest locking method and device, equipment and storage medium

The invention relates to the field of intelligent nursing, solves the problem that in the prior art, when a holder on nursing equipment rotates, a region of interest of a user fails, and provides a region of interest locking method and device, equipment and a storage medium. The method comprises the following steps: acquiring a real-time video stream in an infant nursing scene, decomposing the video stream into multiple frames of target images, setting regions of interest in the target images in advance, and extracting interested images corresponding to the regions of interest; screening all points in the target image and the interested image according to a preset rule, performing feature matching on the screened points meeting requirements, and outputting each matching point corresponding to the interested area; and obtaining a new region of interest according to each matching point, and realizing region of interest locking. According to the invention, the preset region of interest of the user is accurately