Fig. 1. Triangulation structure diagram

Fig. 2. Binary fringe projection-acquisition process

Fig. 3. Principal flow chart of camouflage object detection technology

Fig. 4. Schematic diagram of extracting shadow partial mask image

Fig. 5. Detection area and camouflage object model. (a) Three-dimensional model of detection area; (b) vertical view of camouflage object; (c) three-dimensional model of camouflage object

Fig. 6. Influence of different SNR noise intensities on camouflage detection. (a)--(c) Fringe patterns of proposed method; (d)--(f) fringe patterns of Ref. [6] method; (g)--(i) camouflage detection results of proposed method; (j)--(l) camouflage detection results of Ref. [6] method

Fig. 7. Influence of filter blur on camouflage detection. (a)--(c) Fringe patterns of proposed method; (d)--(f) fringe patterns of Ref. [6] method; (g)--(i) camouflage detection results of proposed method; (j)--(l) camouflage detection results of Ref. [6] method

Fig. 8. Influence of fringe period on camouflage detection. (a)--(e) Fringes with 20, 40, 60, 80, and 100 pixel fringes period; (f)--(j) camouflage detection results with 20, 40, 60, 80, and 100 pixel fringes period

Fig. 9. Schematic diagram of real experiment

Fig. 10. Process and result charts of camouflage detection in real experimental environment. (a)--(c) Experimental environment 1; (d)--(f) experimental environment 2; (g)--(i) experimental environment 3

Fig. 11. Comparison of real experimental camouflage detection results. (a) Experimental environment; (b) Ref. [6] method; (c) proposed method