Wenshan Ding, Duyan Bi, Linyuan He, Zunlin Fan, Dongpeng Wu. Fusion of Infrared and Visible Images Based on Shearlet Transform and Neighborhood Structure Features[J]. Acta Optica Sinica, 2017, 37(10): 1010002
- Acta Optica Sinica
- Vol. 37, Issue 10, 1010002 (2017)
Fig. 1. Frequency domain decomposition of shearlet
Fig. 2. Decomposing process of shearlet
![Results contrast of low frequency image with three fusion algorithms. (a) Visible image; (b) infrared image; (c) image obtained by Ref.[13] algorithm; (d) image obtained by Ref.[14] algorithm; (e) fusion image obtained by proposed algorithm](/Images/icon/loading.gif){kind=icon}
Fig. 3. Results contrast of low frequency image with three fusion algorithms. (a) Visible image; (b) infrared image; (c) image obtained by Ref.[13] algorithm; (d) image obtained by Ref.[14] algorithm; (e) fusion image obtained by proposed algorithm
Fig. 4. Differences of image structures. (a) Infrared image; (b) structure of infrared image; (c) visible image; (d) structure of visible image
Fig. 5. Fusion results of the first group of infrared and visible images. (a) Visible image; (b) infrared image; (c) fusion image based on DWT; (d) fusion image based on NSCT; (e) fusion image based on NSST; (f) fusion image based on proposed algorithm
Fig. 6. Fusion results of the second group of infrared and visible images. (a) Visible image; (b) infrared image; (c) fusion image based on DWT; (d) fusion image based on NSCT; (e) fusion image based on NSST; (f) fusion image based on proposed algorithm
Fig. 7. Fusion results of the third group of infrared and visible images. (a) Visible image; (b) infrared image; (c) fusion image based on DWT; (d) fusion image based on NSCT; (e) fusion image based on NSST; (f) fusion image based on proposed algorithm
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Table 1. Objective evaluation of fusion images using different algorithms
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