Method and device for detecting human faces in infrared temperature measurement system

A face detection and face technology, applied in the field of face detection, can solve the problems of time-consuming, time-consuming, and difficult to ensure real-time performance of face detection, so as to reduce the area of ​​face detection and accurately measure infrared temperature. and the effect of face detection

Inactive Publication Date: 2016-08-10
SHENZHEN INTELLIFUSION TECHNOLOGIES CO LTD
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Problems solved by technology

The current visible light face detection algorithm takes a lot of time to detect faces on large-scale images, and it is difficult to realize real-time detection on high-definition visible light image sequences, while infrared temperature measurement systems generally require real-time detection when used
In addition, in the infrared temperature measurement system, it is generally hoped that the human face should not be missed as much as possible, so complex face detection algorithms need to be used, which leads to more time-consuming face detection and more difficult to ensure real-time performance

Method used

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  • Method and device for detecting human faces in infrared temperature measurement system
  • Method and device for detecting human faces in infrared temperature measurement system
  • Method and device for detecting human faces in infrared temperature measurement system

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Embodiment Construction

[0058] 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 creative efforts fall within the protection scope of the present invention.

[0059] figure 1 A schematic flow chart of a face detection method provided by an embodiment of the present invention, the method includes the following steps:

[0060] S101. Acquire an infrared image and a visible light image at the same moment.

[0061] The infrared temperature measurement system includes an infrared camera and a visible light camera. The infrared camera acquires infrared images, and the visible light camera acquires visible light images. The acq...

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Abstract

A method and device for detecting human faces in an infrared temperature measurement system is provided. One embodiment of the invention discloses a method and device for detecting human faces. Firstly, obtaining human face possible areas of an infrared image, and mapping the human face possible areas of the infrared image onto a visible light image; then detecting human faces in the human face possible areas mapped on the visible light image, and determining whether the detected human face is the corresponding human face in the infrared image. Therefore, the human face detection area of the visible light image is greatly reduced; real-time detection can be realized on high definition visible images; accurate infrared measurement of temperature and human face detection can be simultaneously realized.

Description

technical field [0001] The invention relates to the field of infrared temperature measurement, in particular to a face detection method and device in an infrared temperature measurement system. Background technique [0002] The detector commonly used in the infrared temperature measurement system is an infrared thermal imager, which converts the temperature distribution image of the target object into a video image by means of photoelectric conversion and electrical signal processing, and obtains the temperature of the object through temperature calibration. With the epidemic of SARS, bird flu and other infectious diseases, traditional inspection and quarantine work is facing more and more severe challenges. Infrared thermal imaging cameras have non-contact, small size, high sensitivity, uninterrupted work and alarm functions, which are very good Completed temperature measurement tasks in various places. [0003] At present, most infrared thermal imaging cameras integrate t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/161
Inventor 张兆丰田第鸿杨龙
Owner SHENZHEN INTELLIFUSION TECHNOLOGIES CO LTD
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