Point cloud data scanning method for grid steel structure building nodes

The invention discloses a point cloud data scanning method for a grid steel structure building node, and the method is characterized in that the method comprises the following steps; s1, obtaining a training set; s2, obtaining a target detection network model meeting the identification requirement; s3, converting into a model format capable of running in the embedded equipment; s4, collecting grid steel structure building node image data; s5, performing target detection; s6, acquiring real-time grid steel structure building node image data; s7, recording the position of the target node in the image; s8, acquiring a circle center coordinate and a circle radius; s9, adjusting parameters to approach a real circle center; s10, calculating an initial offset, and entering a view field of a high-definition camera; s11, calculating the distance from the position of the red focus point of the light beam emitted by the laser sensor to the central position of the target node; s12, acquiring an angle and distance paramet