Figure 5: Alzheimer's disease positron emission tomography and magnetic resonance imaging images (a and b), Averaging (c), hue, saturation, intensity model (d), convolutional neural network method (e), Laplacian pyramid (f), wavelet transform (h), curvelet transform (i), contourlet transform (m), nonsubsampled contourlet transform transform (n), and the proposed method (VGG19) (o). (c-n)[9]
![Figure 5: Alzheimer's disease positron emission tomography and magnetic resonance imaging images (a and b), Averaging (c), hue, saturation, intensity model (d), convolutional neural network method (e), Laplacian pyramid (f), wavelet transform (h), curvelet transform (i), contourlet transform (m), nonsubsampled contourlet transform transform (n), and the proposed method (VGG19) (o). (c-n)<sup>[9]</sup>](articles/2022/12/1/images/JMedSignalsSens_2022_12_1_25_334141_f5.jpg)