updte xai sampling size

explanations.py

@@ -129,7 +129,7 @@ def explain(model, input_image,explain_method,nb_samples,size=600, n_classes=171
             if len(phi.shape) == 3:
                 phi = np.mean(phi, -1)
             show(X[0],output_size = size)
-            show(phi, output_size = size,p=1, alpha=0.4, )
+            show(phi, output_size = size,p=1, alpha=0.2, )
             # show(X[0][:,size_repetitions:2*size_repetitions,:])
             # show(phi[:,size_repetitions:2*size_repetitions], p=1, alpha=0.4)
             plt.savefig(f'phi_{e}{i}.png')