| 摘要 |
A pattern determination device has probability computation means and dissimilarity decision means. The probability computation means computes an internal probability that is a probability in which a value of a predetermined component of a pattern that takes place according to a probability density distribution in a domain of an input pattern falls in a range between the value of said predetermined component of a pattern X (1) and the value of said predetermined component of a pattern x (2). The dissimilarity decision means decides a dissimilarity between said pattern X (1) and said pattern X (2) based on said internal probability computed by said probability computation means.
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