Intelligent spraying method and system based on internal and external corners of indoor wall

The invention discloses an intelligent spraying method and system based on internal and external corners of an indoor wall, and belongs to the technical field of intelligent spraying of indoor internal and external corner areas. The intelligent spraying method comprises the following steps that the internal and external corners of the indoor wall are collected, and internal and external corner styles are obtained through point cloud analysis and stored in a database; based on the internal and external corner styles, process parameters needed for uniform spraying of the internal and external corners are obtained, and a mapping relation is established with the internal and external corner styles; an image of the indoor wall to be sprayed is collected, the internal and external corners of the indoor wall to be sprayed are obtained according to the edges of the bright part and the dark part in the image, matching is conducted according to the database, the internal and external corner styles are obtained, the tec