Fig. 1. Block diagram of the proposed fusion method

Fig. 2. Flow chart of the saliency target extraction method

Fig. 3. Infrared image and saliency map. (a) Infrared image; (b) saliency map

Fig. 4. Threshold segmentation result. (a) Infrared image; (b) mask 1; (c) infrared sub-image 1

Fig. 5. Schematic of function y=xγ

Fig. 6. Comparison of Gamma correction results. (a) Infrared sub-image 1; (b) a=0.5, b=-0.5, c=2, d=0.5; (c) a=0.2, b=-0.2, c=5, d=1; (d) a=1, b=-1, c=1, d=1

Fig. 7. Comparison of saliency target extraction results

Fig. 8. Comparison of gray fusion images and optimized fusion images

Fig. 9. Comparison of results between GTF method and proposed method

Fig. 10. Comparison images of experimental results

Fig. 11. Quantitative analysis results