Fig. 4: Frequency-switching method for CS imaging. | Light: Science & Applications

Fig. 4: Frequency-switching method for CS imaging.

From: Dual-color terahertz spatial light modulator for single-pixel imaging

Fig. 4

a Schematic diagram for obtaining the Hadamard mask by frequency-switching. b Measured reflectance coefficient of SLM in ON and OFF states at f1. c Measured reflectance coefficient of SLM pixels in ON and OFF states at f2. d, e Reconstructed images of Scb and Scq with conventional CS and ACS algorithms

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