Appeal No. 1998-1903
Application No. 08/353,258
redundant with a normalized Hamming distance to normalized
input signal value distance relationship with a mean slope
greater than 1 for input signal value distances up to at least
10% of the maximum input signal value distance or has a higher
monotonicity than a binary code and has a number of bits
between that required for the binary code and that required
for a bar code. Claims 12 and 13 are illustrative of the
claimed invention, and they read as follows:
12. A method of training a pattern recognition device
which is arranged to receive a set of digital input signal
values representing a pattern of physical occurrences
distributed over time or space to be recognized comprising the
steps of:
encoding said digital input signal values into coded
input signal values to form a digital signal representation of
said pattern using a redundant code which has a normalized
Hamming distance to normalized input signal value distance
relationship with a mean slope greater than 1 for input signal
value distances up to a predetermined level of at least 10% of
the maximum input signal value distance; and
using the coded input signal values to recognize the
pattern of physical occurrences.
13. A method of training a pattern recognition device
which is arranged to receive a set of digital input signal
values representing a pattern of physical occurrences
distributed over time or space to be recognized comprising the
steps of:
encoding said digital input signal values using a code
employing a number of bits which is:
2
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