FMI calculates the Feature Mutual Information (FMI), the non-reference performance metric for fusion algorithms, proposed in:
M.B.A. Haghighat, A. Aghagolzadeh, H. Seyedarabi, "A Non-Reference Image Fusion Metric Based on Mutual Information of Image Features," Computers and Electrical Engineering, vol. 37, no. 5, pp. 744-756, Sept. 2011.
This code is the implementation of FAST-FMI, presented in:
M. Haghighat, M.A. Razian, “Fast-FMI: non-reference image fusion metric,” 8th International Conference on Application of Information and Communication Technologies (AICT), pp. 1-3, 2014.