Fig. 3

The POP dataset is captured with DJI Matrice30T. (a) Structure of the DJI Matrice30T; (b) Four payload modules of the DJI Matrice30T (including the laser module, wide camera, zoom camera and thermal camera); (c-e) Three images captured simultaneously by the three cameras of the DJI Matrice30T: (c) Sample image taken by the DJI Matrice30T thermal camera; (d) Sample image taken by the DJI Matrice30T wide camera; (d) Sample image taken by the DJI Matrice30T zoom camera. The imaging ranges of images (c,e) are shown in the orange and cyan boxes in image (d). The red arrows in images (c,e) indicate the infrared and visible light signals of partially obscured volunteers.