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Method and apparatus for detecting a feature of an input pattern using a plurality of feature detectors, each of which corresponds to a respective specific variation type and outputs a higher value when variation received by the input pattern roughly matches the respective specific variation type
Method and apparatus for detecting a feature of an input pattern using a plurality of feature detectors, each of which corresponds to a respective specific variation type and outputs a higher value when variation received by the input pattern roughly matches the respective specific variation type
A method includes detecting a feature of an input pattern using a plurality of feature detectors, selecting at least one of the feature detectors based on their output values, and calculating a feature quantity of the input pattern based on an output value from at least one selected feature detector.
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