Image Fusion Based on Nonsubsampled Contourlet Transform and Saliency-Motivated Pulse Coupled Neural Networks

Algorithm 1

Image fusion method with saliency-motivated PCNN.

Step 0: Given source images 𝐴 and 𝐵.

Step 1: Perform decomposition on source images 𝐴 and 𝐵 using NSCT to obtain the high-pass

directional subband coefficients and the low-pass subband coefficients.

Step 2: Merge the high-pass directional subbands with (8), (7) and (2).

Step 3: Obtain the fused low-pass subband with (9), (1) and (2).

Step 4: Construct the fused image by applying the inverse NSCT to the fused subband coefficients.