add denorm method

modules/util/util.py

@@ -408,6 +408,23 @@ def normalize(data, param, mean_std_dict, add_noise=False, noise_scale=1.0, seed
     return data
 
 
+def denormalize(data, param, mean_std_dict):
+
+    if mean_std_dict.get(param) is None:
+        return data
+
+    shape = data.shape
+    data = data.flatten()
+
+    mean, std, lo, hi = mean_std_dict.get(param)
+    data *= std
+    data += mean
+
+    data = np.reshape(data, shape)
+
+    return data
+
+
 def scale(data, param, mean_std_dict):
 
     if mean_std_dict.get(param) is None: