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A facial expression recognition method and device

A technology for facial expression recognition and recognition, which is applied in the field of image processing, can solve problems such as large amount of calculation, and achieve the effect of reducing the amount of calculation

Active Publication Date: 2021-07-09
BEIJING UNIV OF POSTS & TELECOMM
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this scheme, a large number of expression models need to be constructed, and the amount of calculation is large.

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  • A facial expression recognition method and device
  • A facial expression recognition method and device
  • A facial expression recognition method and device

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Embodiment Construction

[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] In order to solve the problem in the prior art, when analyzing the image and recognizing the facial expressions of the faces in the image, usually a variety of expression models are constructed in advance, the image to be recognized is matched with these various expression models, and the facial expressions in the image are determined according to the matching results. Therefore, it is necessary to construct a large number of expression models, and the c...

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Abstract

An embodiment of the present invention provides an expression recognition method, the method comprising: acquiring an image to be recognized, performing face detection on the image to be recognized; intercepting the detected face area; inputting the face area into a pre-trained In the resulting deep separable convolutional neural network, expression recognition results are obtained. Applying the expression recognition method provided by the embodiment of the present invention, it is not necessary to pre-build a variety of expression models, and only need to train the depth separable convolutional neural network, and the number of parameters in the depth separable convolutional neural network is small, so that Reduce the amount of computation in the facial expression recognition process.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an expression recognition method and device. Background technique [0002] In fields such as human-computer interaction, real-time monitoring, autonomous driving, and social networking, computers increasingly need to understand human emotions. Expressions are one of the most important ways for humans to express their inner emotions. Therefore, computer recognition technology for expressions is particularly important for computers to understand human inner emotions. [0003] Existing expression recognition schemes usually include: constructing various expression models in advance, matching the image to be recognized with these various expression models, and determining the expression in the image according to the matching results. However, in this scheme, a large number of expression models need to be constructed, which requires a large amount of calculation. Contents ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06V40/174G06V40/161G06V40/168G06V40/172G06F18/2414
Inventor 景晓军祝轶哲黄海田耒
Owner BEIJING UNIV OF POSTS & TELECOMM