Fig. 4: Decryption results for different color object images with the PMH-SPD and Si-SPD applying both SPI and PSLI methods. | Light: Science & Applications

Fig. 4: Decryption results for different color object images with the PMH-SPD and Si-SPD applying both SPI and PSLI methods.

From: Optically programmable dual-band perovskite single-pixel detector for color image encryption

Fig. 4: Decryption results for different color object images with the PMH-SPD and Si-SPD applying both SPI and PSLI methods.The alternative text for this image may have been generated using AI.

(i) The object images, (ii) SPI, PSLI, and decrypted results of the PMH-SPD, (iii) SPI and PSLI results of the Si-SPD, as well as SPI results of the Si-SPD equipped with long- and short-pass filters of the encrypted object a with same red and blue intensity, b with various composite red-blue colors and red-blue intensities

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