AUTHENTICATION METHOD AND APPARATUS, AND METHOD AND APPARATUS FOR TRAINING A RECOGNIZER
First Claim
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1. An authentication method comprising:
- applying an input image to a recognizer, the recognizer including a plurality of layers; and
performing authentication of the input image based on at least one feature value of the input image and at least one feature value of a registered image corresponding to the at least one intermediate layer, the at least one feature value of the input image output by at least one intermediate layer of the layers in the recognizer.
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Abstract
An authentication method and apparatus, and a method and apparatus for training a recognizer are provided. The authentication method may include determining whether authentication of an input image succeeds by comparing a similarity associated with an intermediate layer to a threshold.
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Citations
37 Claims
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1. An authentication method comprising:
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applying an input image to a recognizer, the recognizer including a plurality of layers; and performing authentication of the input image based on at least one feature value of the input image and at least one feature value of a registered image corresponding to the at least one intermediate layer, the at least one feature value of the input image output by at least one intermediate layer of the layers in the recognizer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A training method comprising:
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training a recognizer, the recognizer including a plurality of layers; determining a first threshold for an intermediate layer in the trained recognizer based on a desired performance index; and determining a second threshold for a final layer in the trained recognizer based on the desired performance index. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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30. An authentication apparatus comprising:
at least one processor configured to execute computer-readable instructions to, output at least one intermediate feature value of an input image using at least one intermediate layer among a plurality of layers included in a recognizer, and perform authentication of the input image based on the at least one intermediate feature value of the input image output using the intermediate layer and a feature value of a registered image corresponding to the intermediate layer. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
Specification