Fig. 1. Schematic diagram of the random scattering medium focusing system

Fig. 2. Focusing results of GA for different population scales

Fig. 3. Light intensity increasing curve of GA under different population scale

Fig. 4. Focusing results of GA with different modulation units

Fig. 5. Focus enhancement curve of GA with different modulation units

Fig. 6. Results of GA suppression of background noise with different radius parameters

Fig. 7. Standard deviation and average intensity curves under different regulation radii

Fig. 8. Schematic diagram of the overflow light field in the modulated background area

Fig. 9. Experimental results about the changed focusing intensity of the modulated target region with increasing background area