These are codes for 3D image fusion using the wavelet-based approach (Aganj et al, MRM 2012). This is especially useful for fusion of an MRI acquisition that is divided into (two or) three separate scans, with higher in-plane resolutions and thick slices, yet orthogonal slice-selection directions.
The function fuseVolW_multi.m takes three volumes Vx, Vy, and Vz, which have a low resolution in the X, Y, and Z directions, respectively, and high resolutions in the other two directions, and returns the fused volume.
Iman Aganj (2022). Wavelet-based Image Fusion (https://www.mathworks.com/matlabcentral/fileexchange/65680-wavelet-based-image-fusion), MATLAB Central File Exchange. Retrieved .
I. Aganj, C. Lenglet, E. Yacoub, G. Sapiro, and N. Harel, "A 3D wavelet fusion approach for the reconstruction of isotropic-resolution MR images from orthogonal anisotropic-resolution scans," Magnetic Resonance in Medicine, vol. 67, no. 4, pp. 1167-1172, 2012. http://doi.org/10.1002/mrm.23086
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