Fig. 1. Pixel structure of pulse sequence image sensor

Fig. 2. Relationship between trigger time, readout time, and pulse interval

Fig. 3. Characteristic curve of pulse interval and reconstructed gray scale

Fig. 4. Images under the influence of different noises. (a) Image affected by spatial noise; (b) images affected by temporal noise and single-code flicker noise; (c) 50th frame and 100th frame grayscale images reconstructed under same input bar chart

Fig. 5. Time error rate corresponding to spatial noise varies with V_diff and I_p. (a) Relationship between time error and V_diff; (b) relationship between time error and I_p

Fig. 6. Relationship between error caused by temporal noise and V_diff、C_pd

Fig. 7. Relationship between light intensity and relative error under synchronous readout mechanism. （a） V_diff=2 V；（b） V_diff=1.5 V

Fig. 8. Under different V_diff, FPN and temporal noise change with photocurrent. (a) FPN changes with photocurrent; (b) temporal noise changes with photocurrent

Fig. 9. Images taken by the sensor. (a) 500 lx uniform light; (b) moment the bullet was fired

Fig. 10. Under different V_diff, FPN and temporal noise change with light intensity. (a) FPN changes with light intensity; (b) temporal noise changes with light intensity