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Face key point detection method and device, electronic equipment and storage medium

A technology of face key points and detection methods, applied in computer vision, image recognition, and machine learning, can solve the problems of low accuracy of face images

Active Publication Date: 2021-02-26
UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present application is to provide a face key point detection method, device, electronic equipment and storage medium for improving the low accuracy of key point detection of face images

Method used

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  • Face key point detection method and device, electronic equipment and storage medium
  • Face key point detection method and device, electronic equipment and storage medium
  • Face key point detection method and device, electronic equipment and storage medium

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0029] Before introducing the face key point detection method provided by the embodiment of this application, some concepts involved in the embodiment of this application are first introduced:

[0030] Machine learning (Machine Learning, ML) refers to a branch of human learning behavior in the field of artificial intelligence; through induction, generalization, specialization, analogy and other basic methods to explore human cognition laws and learning processes, establish various The algorithm of experience automatic improvement enables the computer system to have the ability to automatically learn specific knowledge and skills.

[0031] Knowledge Distillation, also known as model distillation, dark knowledge extraction, distillation training or distillation learning, refer...

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Abstract

The invention provides a face key point detection method and device, electronic equipment and a storage medium, and is used for improving the problem that the accuracy of key point detection on a faceimage is relatively low. The method comprises the following steps: obtaining a plurality of face images and image annotation of each face image, wherein the image annotation is a key point annotatedfor the contour shape of a sensory organ in the face image; generating mask labels according to the key points in each image label, obtaining a plurality of mask labels, and the mask labels representing the probability that the key points in the face image are shielded; and taking the plurality of face images as training data, taking the plurality of mask labels and the image labels of the plurality of face images as training labels, and training the mask branches and the key point branches in the key point detection network to obtain a trained key point detection model, the key point detection model being used for detecting face key points in the images.

Description

technical field [0001] The present application relates to the technical fields of machine learning, computer vision and image recognition, and in particular, to a face key point detection method, device, electronic equipment and storage medium. Background technique [0002] Face key point detection is a technology that automatically searches for defined face feature points in any image. The key points of the face here are specific such as: pupils, nose, and corners of the mouth; face key point detection in computer vision Face key point detection is a key step in the field of face recognition and analysis. [0003] At present, when the quality of the face image is very good, using the current face key point detection algorithm to detect the face key points in the image to be detected can obtain ideal results. However, in the specific practice process, it is found that there are different degrees of occlusion in the collected images to be detected, especially in many scenes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V20/64G06V40/168G06V40/172
Inventor 黄燕挺冯子钜叶润源毛永雄董帅邹昆
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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