Fig. 1. Sparse representation of signal

Fig. 2. Observation matrix sampling principle

Fig. 3. Combined sensing matrix

Fig. 4. Schematic diagram of stripe camera

Fig. 5. Image acquisition process of compressed ultrafast imaging system

Fig. 6. Schematic diagram of simulation experiment

Fig. 7. Encoding process of simulation experiment

Fig. 8. Deflection and overlap of coded signals

Fig. 9. Image signals measured by compressed ultrafast imaging

Fig. 10. Reconstructed original signals