code: public void revertFeatures(@NonNull INDArray[] features, INDArray[] maskArrays, int input) {
          NormalizerStrategy strategy = getStrategy(globalInputStrategy, perInputStrategies, input);
          if (strategy != null) {
              INDArray mask = (maskArrays == null ? null : maskArrays[input]);
              //noinspection unchecked
              strategy.revert(features[input], mask, getInputStats(input));
          }
      }
docs: Undo (revert) the normalization applied by this DataNormalization instance to the features of a particular input
  
  @param features   The normalized array of inputs
  @param maskArrays Optional mask arrays belonging to the inputs
  @param input      the index of the input to revert normalization on