Model training method, human face gender prediction method, equipment and storage medium

A model training and gender technology, applied in neural learning methods, character and pattern recognition, biological neural network models, etc., can solve problems such as uneven distribution, low prediction accuracy of gender prediction models, and single characteristics, and improve model quality. , The effect of reducing collection cost and workload

Pending Publication Date: 2019-12-20
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

[0004] However, the characteristics of the sample face images currently used to train the gender prediction model

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  • Model training method, human face gender prediction method, equipment and storage medium
  • Model training method, human face gender prediction method, equipment and storage medium
  • Model training method, human face gender prediction method, equipment and storage medium

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0043] The "plurality" mentioned herein means two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. The character " / " generally indicates that the contextual objects are an "or" relationship.

[0044] In related technologies, when training the face gender prediction model, usually the sample face images with gender marks (or called gender labels) are directly input into the face gender prediction model to be trained, and then according to the face gender prediction model The difference between the output prediction result and the gender ...

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Abstract

The embodiment of the invention discloses a model training method, a face gender prediction method, equipment and a storage medium, and belongs to the field of face gender prediction. The method comprises the following steps: acquiring a sample face image; performing face correction on the sample face image to obtain a sample face image after face correction; performing data enhancement processingon the corrected sample face image to generate at least one target sample face image corresponding to the sample face image; and training a face gender prediction model according to the target sampleface image and the gender label of the sample face image. By adopting the method provided by the embodiment of the invention, the face correction is performed on the sample face image, so that the influence of non-uniform face orientations on the subsequent model training is avoided, and the model quality of the face gender prediction model obtained by training is further improved; and a sample face in a sample face image is transformed by adopting a data enhancement mode, so that the sample data volume can be increased, and the workload of sample face image acquisition is reduced.

Description

technical field [0001] The present disclosure relates to the field of gender prediction, and in particular to a model training method, a face gender prediction method, a device, and a storage medium. Background technique [0002] Face recognition is a biometric technology for identity recognition based on facial feature information, while face gender prediction is a technology used in face recognition to predict the gender of a biometric object. [0003] When predicting the gender of a face in the related art, the face image is usually directly input into a pre-trained gender prediction model, so that the gender of the object to which the face in the face image belongs is determined according to the prediction result output by the gender prediction model. In order to improve the prediction accuracy of the gender prediction model, in the process of training the gender prediction model, it is necessary to obtain a large number of sample face images with different characteristi...

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Application Information

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IPC IPC(8): G06K9/00G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06V40/161G06V40/172G06V10/247G06N3/045G06F18/24G06F18/214
Inventor 孙莹莹
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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