Fig. 1. Physical picture of distributed array infrared imaging system

Fig. 2. Super-resolution image reconstruction steps

Fig. 3. Image collected by infrared camera

Fig. 4. Normalized image

Fig. 5. Schematic diagram and result of two-dimensional wavelet transform. (a) Two-dimensional discrete wavelet transform; (b) result of wavelet decomposition

Fig. 6. Three-dimensional frequency spectrum

Fig. 7. Comparison diagram of image calibration and translation

Fig. 8. Comparison of the initial image and the reconstructed image. (a) Initial image-SRC;（b）reconstructed image-REC

Fig. 9. Two model structures of SRGAN (generation network G and discriminant network D)

Fig. 10. Comparison of reconstructed image and reconstructed image obtained by SRGAN.（a）Reconstructed image-REC；（b）reconstructed image obtained by SRGAN

Fig. 11. Comparison results of the images. (a) Initial image-SRC; (b) reconstructed image-REC; (c) reconstructed image obtained by EDSR; (d) reconstructed image obtained by SRGAN