System and method for preparing a recognition dictionary

Details System and method for preparing a recognition dictionary System and method for preparing a recognition dictionary

1985-06-07

1987-07-21

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 37, G06K 968

Patent

active

046823654

ABSTRACT:
For the preparation of a tree structure recognition dictionary, in order to obtain the best decision tree, the maximum depth or the sum of the depths should be taken into account. For this purpose, there is provided a system and method for preparing a recognition dictionary which makes it possible to shorten both the maximum recognition time and the total recognition time by successively allocating to nodes of the decision tree features, for which a feature evaluation measure called "maximum estimated depth" for reducing the maximum depth or "sum of estimated node numbers" for reducing the sum of the depths is the smallest.

REFERENCES:
patent: 3588823 (1971-06-01), Chow et al.
patent: 4499596 (1985-02-01), Casey et al.
Agin et al, "SRI Vision Research for Advanced Industrial Automation", Artificial Intelligence Center, Stanford Research In. 1975, pp. 113-117.

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