This node adds a Local Response Normalization layer to the Deep Learning Model supplied by the input port. For more information on LRN see the following paper:
http://www.cs.toronto.edu/~fritz/absps/imagenet.pdf
The KNIME Deeplearning4J Integration has been marked as legacy with KNIME Analytics Platform 5.0 and will be deprecated in a future version. If you are using this extension in a production workflow, consider switching to one of the other deep learning integrations available in KNIME Analytics Platform.