Fig. 1. Schematic diagram and physical diagram of color NLOS imaging experimental system based on TCSPC

Fig. 2. Flow chart of color NLOS imaging data processing

Fig. 3. The photon count histogram of three detection channels with wavelengths of 620 nm，532 nm and 485 nm respectively

Fig. 4. NLOS target “C” and its monochromatic imaging results and color imaging results under 620 nm，532 nm，485 nm illumination lasers

Fig. 5. The recovered three-dimensional structure of a NLOS target “H” under the 620 nm，532 nm，485 nm illumination laser，including the front view，top view and side view

Fig. 6. NLOS target “H” and its monochromatic imaging results and color imaging results under 620 nm，532 nm，485 nm illumination lasers