CN112113684A - Automatic temperature measurement method and system based on face detection - Google Patents
Automatic temperature measurement method and system based on face detection Download PDFInfo
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- CN112113684A CN112113684A CN202010871524.3A CN202010871524A CN112113684A CN 112113684 A CN112113684 A CN 112113684A CN 202010871524 A CN202010871524 A CN 202010871524A CN 112113684 A CN112113684 A CN 112113684A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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Abstract
The embodiment of the invention provides an automatic temperature measurement method and system based on face detection, wherein the method comprises the following steps: obtaining an authentication result passing face brushing authentication; guiding the personnel to be tested to carry out preset mask comparison based on the authentication result; and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data. The embodiment of the invention realizes automatic temperature measurement by automatically and effectively collecting the face data without manual intervention, realizes the control of the face distance and position, and ensures accurate and rapid temperature measurement.
Description
Technical Field
The invention relates to the technical field of face detection, in particular to an automatic temperature measurement method and system based on face detection.
Background
In daily human body temperature measurement applications, the measurement is generally implemented by means of a third-party tool, such as a traditional mercury thermometer, an electronic temperature measurement gun, and the like.
The temperature measurement needs a large amount of manual work and is greatly influenced by the environment. For example, a mercury thermometer, which is qualified by inspection, is placed in the armpit for measurement, and in the range of 36 degrees to 37 degrees, if a little more than 37 degrees may occur after strenuous exercise, which is not problematic, it is relatively stable, because mercury itself is a liquid metal, and heat, that is, temperature rise, and expansion occur, and basically, other conditions are stable except for a short rise caused by exercise, but the real-time performance is poor, and even if the measurement accuracy is relatively high, the operation is troublesome. For temperature measurement of the temperature measuring gun, the electronic temperature measuring gun can obtain feedback data in a heat radiation mode no matter for measuring the forehead or the ears, the electronic temperature measuring gun can obtain the feedback data in a good measuring precision in indoor normal measurement, but is easily influenced by the external environment, for example, the electronic temperature measuring gun can return from the outside, the outside is naturally windy, the outside can be relatively cold in winter, then the wind blows the forehead, the face and the ears, the electronic temperature measuring gun is used for measuring the temperature in the process, the measured temperature can be 30-32-34-degree abnormal temperature, and the two measuring parts are easily influenced by the change of the external temperature.
Therefore, there is a need to provide a new method for measuring the temperature of the human body, which overcomes the above-mentioned drawbacks.
Disclosure of Invention
The embodiment of the invention provides an automatic temperature measurement method and system based on face detection, which are used for solving the defects that excessive manual intervention is needed for measuring the body temperature of a human body and the human body temperature is not intelligent enough in the prior art and realizing automatic temperature measurement through face detection.
In a first aspect, an embodiment of the present invention provides an automatic temperature measurement method based on face detection, including:
obtaining an authentication result passing face brushing authentication;
guiding the personnel to be tested to carry out preset mask comparison based on the authentication result;
and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data.
Preferably, after the preset mask comparison is passed, the forehead temperature detection is performed on the person to be detected to obtain real-time forehead temperature measurement data, and then the method further comprises:
and if the real-time forehead temperature measurement data exceeds a preset range, outputting alarm information.
Preferably, the acquiring an authentication result through face brushing authentication specifically includes:
acquiring personal information of the person to be detected;
and carrying out face authentication on the person to be tested through a preset face brushing authentication algorithm to obtain the authentication result.
Preferably, the acquiring of the personal information of the person to be tested specifically includes:
and reading the identity card of the person to be tested to obtain personal information.
Preferably, the face authentication is performed on the person to be tested through a preset face brushing authentication algorithm, so as to obtain the authentication result, and the method specifically includes:
respectively acquiring the face width data, the face angle data and the face relative position data of the person to be detected;
acquiring the size of a face based on the face width data, and judging whether the face distance meets the requirement of a preset test distance according to the size of the face to obtain a first authentication result;
judging whether the front face of the face faces the temperature measuring device or not based on the face angle data to obtain a second authentication result;
judging whether the forehead is aligned with the temperature measuring device or not based on the face relative position data to obtain a third authentication result;
and if the first authentication result, the second authentication result and the third authentication result are judged and obtained to meet the preset conditions, the person to be tested is determined to pass the authentication of the preset face brushing authentication algorithm.
Preferably, the guiding the person to be tested to perform the preset mask comparison based on the authentication result specifically includes:
setting a preset mask face frame;
and guiding the person to be detected to approximately fill the preset mask face frame with the face through prompt information.
In a second aspect, an embodiment of the present invention further provides an automatic temperature measurement system based on face detection, including:
the acquisition module is used for acquiring an authentication result passing face brushing authentication;
the comparison module is used for guiding the personnel to be tested to carry out preset mask comparison based on the authentication result;
and the measuring module is used for carrying out forehead temperature detection on the person to be detected after the preset mask comparison is passed, and obtaining real-time forehead temperature measurement data.
Preferably, the system further comprises:
and the warning module is used for outputting warning information if the real-time forehead temperature measurement data exceeds a preset range.
In a third aspect, an embodiment of the present invention further provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of any one of the above automatic temperature measurement methods based on face detection when executing the program.
In a fourth aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the automatic thermometry method based on face detection as described in any one of the above.
According to the automatic temperature measurement method and system based on the face detection, provided by the embodiment of the invention, the automatic temperature measurement is realized by automatically and effectively collecting the face data without manual intervention, the control on the face distance and position is realized, and the temperature measurement is accurate and rapid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an automatic temperature measurement method based on face detection according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an automatic temperature measurement system based on face detection according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of an automatic temperature measurement method based on face detection according to an embodiment of the present invention, as shown in fig. 1, including:
s1, obtaining the authentication result passing the face brushing authentication;
s2, guiding the person to be tested to carry out preset mask comparison based on the authentication result;
and S3, after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected, and obtaining real-time forehead temperature measurement data.
Specifically, the person to be tested firstly conducts preliminary face brushing authentication, the person to be tested then conducts a temperature measuring link after the face brushing authentication passes, at the moment, according to the prompt of the temperature measuring device, customer guiding is conducted in a masking mode, masking comparison is conducted, and then forehead temperature data begins to be measured, and real-time forehead temperature measuring data are obtained.
Based on the above embodiment, the method further includes, after step S3:
and if the real-time forehead temperature measurement data exceeds a preset range, outputting alarm information.
Specifically, on the basis of the foregoing embodiment, the forehead temperature data obtained by measurement may further include other information of the person to be measured, such as the acquired identification card data and face data, and if it is determined that the forehead temperature data exceeds the normal range, the system may send an alarm prompt, and at this time, the background staff only needs to observe the background data.
Based on any of the above embodiments, step S1 in the method specifically includes:
acquiring personal information of the person to be detected;
and carrying out face authentication on the person to be tested through a preset face brushing authentication algorithm to obtain the authentication result.
The acquiring of the personal information of the person to be tested specifically includes:
and reading the identity card of the person to be tested to obtain personal information.
The method comprises the following steps of carrying out face authentication on a person to be tested through a preset face brushing authentication algorithm to obtain an authentication result, and specifically comprises the following steps:
respectively acquiring the face width data, the face angle data and the face relative position data of the person to be detected;
acquiring the size of a face based on the face width data, and judging whether the face distance meets the requirement of a preset test distance according to the size of the face to obtain a first authentication result;
judging whether the front face of the face faces the temperature measuring device or not based on the face angle data to obtain a second authentication result;
judging whether the forehead is aligned with the temperature measuring device or not based on the face relative position data to obtain a third authentication result;
and if the first authentication result, the second authentication result and the third authentication result are judged and obtained to meet the preset conditions, the person to be tested is determined to pass the authentication of the preset face brushing authentication algorithm.
Specifically, the person to be tested performs a card swiping operation first, and reads the personal information of the identity card and the related information of the identity card photo.
And then carrying out face brushing authentication, wherein a preset face brushing authentication algorithm provides a function getFaceWidth () to obtain the width of a human face, the function getFaceAngle () obtains the angle of the human face, the distance of the human face is judged according to the size of the human face to obtain a first authentication result, whether the front face faces a temperature measuring device is judged according to the angle of the human face to obtain a second authentication result, whether the forehead is aligned with the temperature measuring device is judged according to the relative position of the human face to obtain a third authentication result, and if the three authentication results are met, the client is guided to measure the temperature in a subsequent mask mode.
Based on any of the above embodiments, step S2 in the method specifically includes:
setting a preset mask face frame;
and guiding the person to be detected to approximately fill the preset mask face frame with the face through prompt information.
Specifically, after the authentication is passed, mask guiding is adopted, a mask face frame is set at the position, namely the face frame is selected in a preset range, a tested person is required to compare a face with the mask face frame, a client approximately fills the mask with the face, forehead temperature detection is carried out, in the process of temperature detection, face information can be further captured, and whether face comparison is needed or not is judged according to the configuration of the system so as to obtain a face recognition result.
The embodiment of the invention can be widely applied to a plurality of scenes, such as personnel registration and personnel identity information check in hotels and guest houses, by automatically and effectively acquiring data.
The automatic temperature measuring system based on face detection provided by the embodiment of the invention is described below, and the automatic temperature measuring system based on face detection described below and the automatic temperature measuring method based on face detection described above can be referred to correspondingly.
Fig. 3 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 3: a processor (processor)310, a communication interface (communication interface)320, a memory (memory)330 and a communication bus (bus)340, wherein the processor 310, the communication interface 320 and the memory 330 communicate with each other via the communication bus 340. The processor 310 may invoke logic instructions in the memory 330 to perform a method for automatic thermometry based on face detection, the method comprising: obtaining an authentication result passing face brushing authentication; guiding the personnel to be tested to carry out preset mask comparison based on the authentication result; and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data.
In addition, the logic instructions in the memory 330 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
In another aspect, an embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer, the computer can execute the automatic thermometry method based on face detection provided by the above-mentioned method embodiments, where the method includes: obtaining an authentication result passing face brushing authentication; guiding the personnel to be tested to carry out preset mask comparison based on the authentication result; and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data.
In another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to perform the automatic thermometry method based on face detection provided in the foregoing embodiments, where the method includes: obtaining an authentication result passing face brushing authentication; guiding the personnel to be tested to carry out preset mask comparison based on the authentication result; and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic temperature measurement method based on face detection is characterized by comprising the following steps:
obtaining an authentication result passing face brushing authentication;
guiding the personnel to be tested to carry out preset mask comparison based on the authentication result;
and after the preset mask comparison is passed, carrying out forehead temperature detection on the person to be detected to obtain real-time forehead temperature measurement data.
2. The automatic temperature measurement method based on face detection according to claim 1, wherein after the preset mask comparison is passed, the forehead temperature detection is performed on the person to be detected to obtain real-time forehead temperature measurement data, and then the method further comprises:
and if the real-time forehead temperature measurement data exceeds a preset range, outputting alarm information.
3. The automatic temperature measurement method based on face detection according to claim 1 or 2, wherein the obtaining of the authentication result through face brushing authentication specifically comprises:
acquiring personal information of the person to be detected;
and carrying out face authentication on the person to be tested through a preset face brushing authentication algorithm to obtain the authentication result.
4. The automatic temperature measurement method based on face detection according to claim 3, wherein the obtaining of the personal information of the person to be measured specifically comprises:
and reading the identity card of the person to be tested to obtain personal information.
5. The automatic temperature measurement method based on face detection according to claim 3, wherein the performing face authentication on the person to be tested through a preset face-brushing authentication algorithm to obtain the authentication result specifically comprises:
respectively acquiring the face width data, the face angle data and the face relative position data of the person to be detected;
acquiring the size of a face based on the face width data, and judging whether the face distance meets the requirement of a preset test distance according to the size of the face to obtain a first authentication result;
judging whether the front face of the face faces the temperature measuring device or not based on the face angle data to obtain a second authentication result;
judging whether the forehead is aligned with the temperature measuring device or not based on the face relative position data to obtain a third authentication result;
and if the first authentication result, the second authentication result and the third authentication result are judged and obtained to meet the preset conditions, the person to be tested is determined to pass the authentication of the preset face brushing authentication algorithm.
6. The automatic temperature measurement method based on face detection according to claim 1, wherein the step of guiding the person to be tested to perform preset mask comparison based on the authentication result specifically comprises:
setting a preset mask face frame;
and guiding the person to be detected to approximately fill the preset mask face frame with the face through prompt information.
7. The utility model provides an automatic temperature measurement system based on face detection which characterized in that includes:
the acquisition module is used for acquiring an authentication result passing face brushing authentication;
the comparison module is used for guiding the personnel to be tested to carry out preset mask comparison based on the authentication result;
and the measuring module is used for carrying out forehead temperature detection on the person to be detected after the preset mask comparison is passed, and obtaining real-time forehead temperature measurement data.
8. The automatic thermometry system based on face detection of claim 7, the system further comprising:
and the warning module is used for outputting warning information if the real-time forehead temperature measurement data exceeds a preset range.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the automatic thermometry method based on face detection according to any one of claims 1 to 6 when executing the program.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the automatic thermometry method based on face detection according to any one of claims 1 to 6.
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