Figure 4
Example showing the graphical representation of the values of the four matrices of coefficients (i.e. LL, LH, HL and HH) (right hand side) obtained after applying the discrete wavelet transform (DWT) to the region shown at the left hand side.
First-level DWT decomposition of the BG region from a T2w image.

Example showing the graphical representation of the values of the four matrices of coefficients (i.e. LL, LH, HL and HH) (right hand side) obtained after applying the discrete wavelet transform (DWT) to the region shown at the left hand side.

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