What are the similarities between 3D laser scanning and ground close-range photogrammetry?

Ground operation, that is, obtaining the three-dimensional model of the target without contacting the target; However, the measurement range is limited, and the target size is limited by the scanning range or photography range; Generally, joint survey of control points is needed to obtain the geodetic coordinates of the target, and GPS can also be used for positioning; Applications are mostly used for small-scale surveys such as cultural relics protection and urban modeling; High accuracy is required, and the color model can be obtained;