[1] DUAN J,CHEN L,CHEN C L P. Region-based multi-focus image fusion using guided filtering and greedy analysis[C]//IEEE International Conference on Systems,Man,and Cybernetics. Hong Kong,China:IEEE, 2015:2932-2937.
[2] WANG Z,WANG S,ZHU Y. Multi-focus image fusion based on the improved PCNN and guided filter[J]. Neural Processing Letters, 2017,45(1):75-94.
[3] CAO L,JIN L,TAO H,et al. Multi-focus image fusion based on spatial frequency in discrete cosine transform domain[J]. IEEE Signal Processing Letters, 2014,22(2):220-224.
[4] LI S,KANG X,HU J,et al. Image matting for fusion of multi-focus images in dynamic scenes[J]. Information Fusion, 2013, 14(2):147-162.
[5] WEN S D,DU Y B,LIN Y H,et al. Infrared and visible image fusion based on sparse feature[J]. Acta Photonica Sinica, 2018,47(9):372-380.
[6] YANG B,LI S. Multifocus image fusion and restoration with sparse representation[J]. IEEE Transactions on Instrumentation and Measurement, 2009,59(4):884-892.
[7] ZHAO Y,ZHAO Q,HAO A. Multimodal medical image fusion using improved multi-channel PCNN[J]. Biomed Mater Eng, 2014,24(1):221-228.
[8] EASLEY G,LABATE D,LIM W Q. Sparse directional image representations using the discrete shearlet transform[J]. Applied and Computational Harmonic Analysis, 2008,25(1):25-46.
[9] LI L,WANG L,WANG Z,et al. A novel medical image fusion approach based on nonsubsampled shearlet transform[J]. Journal of Medical Imaging and Health Informatics, 2019,9(9):1815-1826.
[10] YIN Ming,LIU Xiaoning,LIU Yu,et al. Medical image fusion with parameter adaptive pulse coupled neural network in nonsubsampled shearlet transform domain[J]. IEEE Transactions on Instrumentation and Measurement, 2019,68(1):49-64.
[11] EASLEY G,LABATE D,LIM W Q. Sparse directional image representations using the discrete shearlet transform[J]. Applied Computational Harmonic Analysis, 2008,25(1):25-46.
[17] HUI L,WU X J. Dense fuse:a fusion approach to infrared and visible images[J]. IEEE Transactions on Image Processing, 2018,28(5):2614-2623.