how to visualize the feature map?

[hawl666]

i trained the FCIS on my own dataset,and i want to visualize the feature map.Anyone can tell me how to do it?

[franciszzj]

You can load your *.json and *.params, then use sym.get_internals() to get the feature you want to viz. Transform the data to np.ndarray, viz it use cv2 or matplotlib...