Pattern recognition of temporally sequenced signal vectors
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United States of America Patent
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-
Dec 29, 1992
Grant Date -
N/A
app pub date -
May 9, 1989
filing date -
Aug 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A temporal sequence of signal vectors X (e.g., generated from a speech signal) is supplied in parallel to elements in an array each of which (after training of the array) provide an output .eta. indicating the vector's similarity to a reference vector. Persistence is built into the elements so that signals forming a 'trajectory' within the array, corresponding to an input sequence are simultaneously available for recognition (preferably by a further such array). Arrays may be cascaded to allow for longer sequences.
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