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Multi-template face automatic input method in face recognition system based on video

A face recognition system and automatic input technology, applied in character and pattern recognition, instruments, calculations, etc., can solve problems such as recognition accuracy rate affecting user experience, high user cooperation requirements, uncontrollable template quality, etc., to reduce operating consumption. time, quality assurance, and the effect of improving accuracy

Pending Publication Date: 2019-12-17
宁波中科信息技术应用研究院(宁波人工智能产业研究院) +1
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Problems solved by technology

[0004] The invention provides a multi-template face automatic entry method in a video-based face recognition system to solve the problem of high user cooperation requirements and uncontrollable template quality during entry in a general face recognition system, which affects user experience and subsequent recognition accuracy. The problem

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  • Multi-template face automatic input method in face recognition system based on video
  • Multi-template face automatic input method in face recognition system based on video
  • Multi-template face automatic input method in face recognition system based on video

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] The invention discloses a multi-template human face automatic input method in a video-based human face comparison and recognition system. First, obtain the largest face trajectory in the video scene, automatically save face pictures from multiple angles as templates according to a certain screening logic, and exclude pictures with small faces, motion blur, and abnormal lighting during screening, so as to ensure the quality of face templates. Secondly, light compensation is performed on over-exposed or under-exposed templates, and the compensated pictures are added to the person template to improve the comparison accuracy. Finally, the saved template extraction features are converted into face feature files and stored in the face comparison database to directly compare features and reduce running time. This entry method realizes the aut...

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Abstract

The invention discloses a multi-template face automatic input method in a face recognition system based on a video. The method comprises the following steps: firstly, obtaining a maximum face track ina video scene, automatically storing face pictures at multiple angles as templates according to a certain screening logic, and excluding pictures with too small faces, dynamic blurring and large angles during screening, thereby ensuring the quality of face templates; secondly, conducting illumination compensation on the template which is overexposed or insufficiently exposed, adding the compensated picture into the template of the person, and improving the comparison accuracy; and finally, converting the stored template extraction features into a face feature file, storing the face feature file into a face comparison database, and directly comparing the features, thereby reducing the operation time consumption. According to the input method, automatic collection of the user face is achieved, the input time is short, the user matching degree is low, meanwhile, the input template quality is high, and the recognition accuracy can be effectively improved.

Description

technical field [0001] The invention relates to computer vision recognition technology, in particular to a multi-template face automatic entry method in a video-based face recognition system. Background technique [0002] With the advancement of science and technology and the development of the economy, artificial intelligence is no longer an unfamiliar term. As a key research topic in the field of artificial intelligence, face recognition technology has been widely used in people's daily life, such as attendance systems, access control systems, Face payment, etc. A complete face recognition system mainly includes the front-end display interface of the machine, face detection and tracking module, face entry module, personnel database, and face recognition module. Among them, the face input module is an indispensable part of the whole system, and is the premise of recognition. Only by extracting face templates that meet the recognition requirements, calculating template feat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/161G06V40/168
Inventor 赵忆陈辰黄晁史红周杨子江潘意杰查兴兴陈春燕袁敏杰胡波
Owner 宁波中科信息技术应用研究院(宁波人工智能产业研究院)
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