METHOD AND APPARATUS WITH AUTHENTICATION AND NEURAL NETWORK TRAINING

    公开(公告)号:US20210166071A1

    公开(公告)日:2021-06-03

    申请号:US16913205

    申请日:2020-06-26

    Abstract: A processor-implemented neural network method includes: determining, using a neural network, a feature vector based on a training image of a first class among a plurality of classes; determining, using the neural network, plural feature angles between the feature vector and class vectors of other classes among the plurality of classes; determining a margin based on a class angle between a first class vector of the first class and a second class vector of a second class, among the class vectors, and a feature angle between the feature vector and the first class vector; determining a loss value using a loss function including an angle with the margin applied to the feature angle and the plural feature angles; and training the neural network by updating, based on the loss value, either one or both of one or more parameters of the neural network and one or more of the class vectors.

    METHOD AND APPARATUS WITH FACIAL IMAGE GENERATING

    公开(公告)号:US20220058377A1

    公开(公告)日:2022-02-24

    申请号:US17208048

    申请日:2021-03-22

    Abstract: A processor-implemented facial image generating method includes: determining a first feature vector associated with a pose and a second feature vector associated with an identity by encoding an input image including a face; determining a flipped first feature vector by flipping the first feature vector with respect to an axis in a corresponding space; determining an assistant feature vector based on the flipped first feature vector and rotation information corresponding to the input image; determining a final feature vector based on the first feature vector and the assistant feature vector; and generating an output image including a rotated face by decoding the final feature vector and the second feature vector based on the rotation information.

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