Fig. 1. Principle diagram of photon-counting correlated imaging

Fig. 2. Influences of different factors on detection probability. (a) Relationship between detection probability of target signal and Ns under traditional multi-pulse cumulative detection mode; (b) relationship between detection probability of target signal and Ns under traditional multi-pulse cumulative detection and multi-channel parallel detection when l=2 and β=1; (c) relationship between detection probability of target signal and β under multi-channel parallel detection when l=2 and Ns=25

Fig. 3. Influences of different factors on detection signal-to-noise ratio RSN. (a) Relationship between RSN and Ns under parallel detection mode with different channels; (b) relationship between RSN and l when Ns=25

Fig. 4. Numerical simulation results of photon-counting correlated imaging with different l values when Ns=25 and Nb=5. (a) l=1; (b) l=2; (c) l=3; (d) l=4; (e) l=5; (f) ρ-l curve; (g) RMSE-l curve

Fig. 5. Numerical simulation results of photon-counting correlated imaging with different Ns values when Nb=5 and l=2. (a) Ns=1; (b) Ns=5; (c) Ns=15; (d) Ns=25; (e) Ns=50; (f) Ns=75; (g) Ns=100; (h) ρ-Ns curve; (i) RMSE-Ns curve

Fig. 6. Numerical simulation results of photon-counting correlated imaging with different SA values when Nb=5 and l=2. (a) SA=0.01; (b) SA=0.05; (c) SA=0.1; (d) SA=0.3; (e) SA=0.5; (f) SA=0.8; (g)-(j) histogram of y0 under strong light ; (k) ρ-SA curve; (l) RMSE-SA curve