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Face recognition image extraction method and processing equipment

A face recognition and extraction method technology, applied in the field of face recognition, can solve the problems of large computing load, inability to recognize, and poor face quality, and achieve the effect of improving the quality of face recognition and reducing the occupancy rate of resources.

Pending Publication Date: 2020-05-26
UBTECH ROBOTICS CORP LTD
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Problems solved by technology

However, in the actual analysis of video streams, each frame of pictures in the video stream is usually analyzed, which will lead to excessive calculation of the device; moreover, the quality of faces obtained from most video streams is poor , prone to unrecognized or misidentified situations

Method used

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  • Face recognition image extraction method and processing equipment
  • Face recognition image extraction method and processing equipment
  • Face recognition image extraction method and processing equipment

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0027] refer to figure 1 , figure 1 It is a schematic flowchart of an embodiment of an image extraction method for face recognition provided by this application. The method of this embodiment includes:

[0028] Step S11: Acquiring multiple image frames.

[0029] In this embodiment, a video stream may be captured by a camera installed at a terminal or other predetermined device or location, so as to acquire multiple image frames composing the video stream; wherein, the multiple im...

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Abstract

The invention discloses a face recognition image extraction method and processing equipment. The method comprises the following steps: acquiring a plurality of image frames; performing face recognition on each image frame to extract a face region; performing definition analysis on the face area of each image frame to obtain face definition; performing attitude analysis on the face area of each image frame to obtain a face attitude angle; generating a comprehensive evaluation index of each image frame by synthesizing the face definition and the face attitude angle of each image frame; selectinga key frame from the plurality of image frames based on the comprehensive evaluation index. Through the above mode, the video stream is analyzed to extract the key frame, the occupancy rate of resources can be reduced, and the face recognition quality can be improved.

Description

technical field [0001] The present application relates to the field of face recognition, in particular to an image extraction method and processing equipment for face recognition. Background technique [0002] Face recognition is a biometric identification technology based on human facial feature information. Compared with other more mature human biometric identification methods such as fingerprints and DNA detection, it is stealthy, low-cost, and highly interactive. Therefore, face recognition technology has been a research hotspot for many years. [0003] Face recognition is to use cameras or video cameras to collect images or video streams containing faces, and analyze the video streams to obtain face data. However, in the actual analysis of video streams, each frame of pictures in the video stream is usually analyzed, which will lead to excessive calculation of the device; moreover, the quality of faces obtained from most video streams is poor , prone to unrecognized o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06T7/00G06V10/771
CPCG06T7/0002G06T2207/10016G06T2207/30168G06T2207/30201G06V40/1347G06V40/16G06V10/771G06F18/2113G06V40/165
Inventor 曾钰胜庞建新熊友军
Owner UBTECH ROBOTICS CORP LTD
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