Fig. 1. Diagram of experimental devices for measurement of transmission matrices

Fig. 2. Photograph of experimental devices for measurement of transmission matrices

Fig. 3. Identity matrix modulation mode. (a) Input modulation mode; images acquired when; (b) α=0; (c) α=π/2; (d) α=π

Fig. 4. Hadamard matrix modulation mode. (a) Input modulation mode; images acquired when; (b) α=0; (c) α=π/2; (d) α=π

Fig. 5. Tranmission matrices measured under identity matrix modulation mode. (a) Amplitude information; (b) phase information

Fig. 6. Tranmission matrices measured under Hadamard matrix modulation mode. (a) Amplitude information; (b) phase information

Fig. 7. Input phase of focus phase conjugate wave of transmission matrix measured under identity matrix modulation mode for different pixel coordinates. (a) (20,20); (b) (80,20); (c) (50,50); (d) (20,80); (e) (80,80)

Fig. 8. Input phase of focus phase conjugate wave of transmission matrix measured under Hadamard matrix modulation mode for different pixel coordinates. (a) (20,20); (b) (80,20); (c) (50,50); (d) (20,80); (e) (80,80)

Fig. 9. Focusing results of transmission matrices at different positions based on identity matrix modulation. (a) Speckle pattern without modulation; (b) pixel coordinate of (20,20); (c) pixel coordinate of (80,20); (d) pixel coordinate of (50,50); (e) pixel coordinate of (20,80); (f) pixel coordinate of (80,80)

Fig. 10. Focusing results of transmission matrices at different positions based on Hadamard matrix modulation. (a) Speckle pattern without modulation; (b) pixel coordinate of (20,20); (c) pixel coordinate of (80,20); (d) pixel coordinate of (50,50); (e) pixel coordinate of (20,80); (f) pixel coordinate of (80,80)