Region division method and device, terminal and computer readable medium

The invention provides a region division method, which is applied to smart home. The method comprises the following steps: acquiring a detection image through an image shooting device, and determiningwhether the detection image contains a door image or not; if the detection image comprises the door image, making movement to a target region corresponding to the door image, and detecting regional information of the target region through a millimeter wave radar, wherein the regional information comprising the size, shape and position of the target region; and marking the target region based on the regional information, and displaying the marked target region through a display device, so that a user controls the smart home for cleaning the target region according to the marked target region.According to the invention, the smart home can accurately divide regions and clean the corresponding target region according to the cleaning instruction of the user. 本申请提供了一种划分区域的方法，所述方法应用于智能家居，所述方法包括：通过图像拍摄装置获取检测图像，并确定所述检测图像中