Fig. 1. Flowchart of the proposed fusion method

Fig. 2. Schematic diagram of multiscale low rank decomposition model

Fig. 3. Schematic diagram of infrared image decomposition in Nato_camp

Fig. 4. Saliency images examples of infrared and visible images obtained by 16×16 low-rank block decomposition. (a) Saliency part of the infrared image T_{v_3}; (b) saliency part of the visible image T_{r_3}; (c) pixel distribution of infrared and visible images in the same line

Fig. 5. Image fusion results based on 16×16 low rank block decomposition. (a) Fused image F₃; (b) pixel distribution of the fused image

Fig. 6. Fusion results in Nato_camp. (a) Visible image; (b) infrared image; (c) ResNet50 method; (d) CNN method; (e) MISF method; (f) GTF method; (g) FPDE method; (h) proposed method

Fig. 7. Fusion results in Bunker. (a) Visible image; (b) infrared image; (c) ResNet50 method; (d) CNN method; (e) MISF method; (f) GTF method; (g) FPDE method; (h) proposed method

Fig. 8. Fusion results in Kaptein_1123. (a) Visible image; (b) infrared image; (c) ResNet50 method; (d) CNN method; (e) MISF method; (f) GTF method; (g) FPDE method; (h) proposed method

Fig. 9. Fusion results in street. (a) Visible image; (b) infrared image; (c) ResNet50 method; (d) CNN method; (e) MISF method; (f) GTF method; (g) FPDE method; (h) proposed method