fig2
Figure 2. Technical principles and typical data outputs of representative 2D and 3D imaging technologies for livestock weight measurement. The figure was prepared by the authors. The typical output data were collected by the authors from Guojia Pig Farm, Longyao County, Xingtai City, Hebei Province, China. 2D: Two-dimensional; 3D: three-dimensional; RGB: red-green-blue; TOF: Time-of-Flight.
