... system takes in a pattern and emits another pattern which is representative of a general group of patterns It thus reduces the information somewhat, but rarely to the extent that pattern classification... 1.3 THE SUB-PROBLEMS OF PATTERN CLASSIFICATION 15 For patterns that have inherent temporal variation, we may want our recognizer to be insensitive to the rate at which the pattern evolves Thus a... model for a pattern may be a single specific set of features, though the actual pattern sensed has been corrupted by some form of random noise Occasionally it is claimed that neural pattern recognition