Fig. 1. Two different imaging architecture. (a) Single-pixel imaging; (b) Computational ghost imaging

Fig. 2. Single-pixel imaging result with random pattern

Fig. 3. Random speckle generated by spinning diffuser

Fig. 4. Hadamard basis and simulating imaging result under 20% compression

Fig. 5. Fourier basis and simulating imaging result under 10% compression

Fig. 6. CNN based model (a) generated mask patterns (b) and imaging result under 4% compression(c)^[8]

Fig. 7. Schematic of fast first-photon ghost imaging^[71]

Fig. 8. Framework of computational ghost imaging based on an untrained neural network^[106]