CN111953935A - Body temperature monitoring method and device, intelligent screen and computer readable storage medium - Google Patents
Body temperature monitoring method and device, intelligent screen and computer readable storage medium Download PDFInfo
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
- G01J5/485—Temperature profile
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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Abstract
The invention provides a body temperature supervision method, a body temperature supervision device, an intelligent screen and a computer readable storage medium, wherein the method is executed by the intelligent screen, and the intelligent screen is provided with a visible light camera and a thermal imaging camera; the method comprises the following steps: acquiring an image frame pair (a visible light image and an infrared image with the same acquisition time) containing a target object by a visible light camera and a thermal imaging camera; determining the body temperature of the target object at the acquisition moment based on the image frame pair; carrying out face recognition on a target object in the visible light image, and determining identity information of the target object; executing body temperature supervision operation aiming at the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment; the body temperature monitoring operation includes one or more of the following: the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning are displayed on the screen of the intelligent screen. The invention can enable the user to measure the temperature more conveniently and is convenient for the user to supervise the body temperature.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to a body temperature monitoring method, a body temperature monitoring device, an intelligent screen and a computer readable storage medium.
Background
Body temperature is an important index data for measuring whether a person is healthy or not. Such as during an epidemic, people need to measure their body temperature frequently so that their or other people can know their health status through the body temperature. In the prior art, temperature measuring equipment such as a traditional mercury thermometer for measuring temperature or a temperature measuring gun is mostly adopted, and a user needs to hold the temperature measuring equipment for measuring temperature when needing to measure temperature, so that the operation is inconvenient; and the user can only read the temperature value when measuring the temperature at that time through temperature measuring equipment, and then take temperature supervision measures such as temperature record according to the temperature value of reading, and is very inconvenient.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus, an intelligent screen and a computer readable storage medium for monitoring body temperature, which enable a user to measure temperature more conveniently and facilitate the user to monitor body temperature.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a body temperature monitoring method, where the method is performed by a smart screen, and the smart screen is configured with a visible light camera and a thermal imaging camera; the method comprises the following steps: acquiring an image frame pair containing a target object through the visible light camera and the thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time; determining a body temperature of the target subject at the acquisition time based on the image frame pair; performing face recognition on a target object in the visible light image, and determining identity information of the target object; executing body temperature supervision operation aiming at the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment; the body temperature supervision operations include one or more of the following: and displaying the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning on an intelligent screen.
Further, the step of determining the body temperature of the target subject at the acquisition time based on the image frame pair comprises: detecting a position of a forehead portion of the target object in the visible light image; determining the position of the forehead part of the target object in the infrared image according to the spatial position relationship between the visible light camera and the thermal imaging camera and the position of the forehead part of the target object in the visible light image; and determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image.
Furthermore, a black body is arranged in an image acquisition area of the thermal imaging camera; the step of determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image comprises the following steps: determining a forehead temperature measurement value of the target object according to the position of the forehead part of the target object in the infrared image; correcting the forehead temperature measurement value of the target object through the black body, and taking the corrected forehead temperature value as the body temperature of the target object.
Further, the step of correcting the forehead temperature measurement value of the target object by the black body includes: detecting the position of the black body in the infrared image; determining a measured temperature of the black body based on a position of the black body in the infrared image; and correcting the forehead temperature measurement value of the target object according to the measurement temperature of the black body and the preset temperature of the black body.
Further, if the body temperature supervision operation includes body temperature change statistics, the step of executing the body temperature supervision operation on the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition time includes: according to the identity information of the target object, searching a body temperature record corresponding to the identity information in a specified storage area; the body temperature record comprises the identity information of the object, the historical acquisition time and the corresponding body temperature; and counting the body temperature change condition of the target object in a specified time period according to the body temperature of the target object at the acquisition time and the body temperature record.
Further, if the body temperature monitoring operation includes a body temperature remote notification, the step of executing the body temperature monitoring operation for the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition time includes: if the body temperature of the target object at the acquisition moment is higher than a preset temperature threshold, searching for related personnel of the target object according to the identity information of the target object; and sending the body temperature of the target object corresponding to the acquisition moment to a terminal corresponding to the associated person.
Further, the method further comprises: if a body temperature query instruction carrying the identity information of a subject with the body temperature to be queried is received, searching a target body temperature corresponding to the identity information of the subject according to the body temperature query instruction; and feeding back the target body temperature according to the receiving way of the body temperature inquiry instruction.
Further, the step of searching the target body temperature corresponding to the identity information of the object according to the body temperature query instruction comprises the steps of searching the body temperature corresponding to the acquisition time closest to the body temperature query time from the stored body temperature records corresponding to the identity information of the object if the body temperature query instruction carries the body temperature query time, and taking the searched body temperature as the target body temperature; and if the body temperature query instruction does not carry the body temperature query time, searching the body temperature corresponding to the latest recorded acquisition moment from the stored body temperature records corresponding to the object identity information, and taking the searched body temperature as the target body temperature.
Further, the step of feeding back the target body temperature according to the receiving way of the body temperature query instruction comprises: if the receiving way of the body temperature inquiry instruction comprises intelligent screen receiving or near field communication receiving, the target body temperature is fed back through the intelligent screen; and if the receiving way of the body temperature query instruction is remote communication receiving, feeding back the target body temperature to a sending terminal of the body temperature query instruction according to a communication path.
In a second aspect, an embodiment of the present invention further provides a body temperature monitoring device, where the device is applied to a smart screen, and the smart screen is configured with a visible light camera and a thermal imaging camera; the method comprises the following steps: the image acquisition module is used for acquiring an image frame pair containing a target object through the visible light camera and the thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time; a body temperature determination module for determining a body temperature of the target object at the acquisition time based on the image frame pair; the identity determination module is used for carrying out face recognition on a target object in the visible light image and determining identity information of the target object; the body temperature monitoring module is used for executing body temperature monitoring operation aiming at the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment; the body temperature supervision operations include one or more of the following: and displaying the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning on an intelligent screen.
In a third aspect, an embodiment of the present invention provides an intelligent screen, including: a processor and a storage device; the storage means has stored thereon a computer program which, when executed by the processor, performs the method of any of the first aspects.
In a fourth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, performs the steps of the method according to any one of the above first aspects.
The embodiment of the invention provides a body temperature monitoring method, a body temperature monitoring device, a smart screen and a computer readable storage medium, wherein the smart screen can acquire an image frame pair (including a visible light image and an infrared image with the same acquisition time) containing a target object through a visible light camera and a thermal imaging camera, then determine the body temperature of the target object at the acquisition time based on the image frame pair, perform face recognition on the target object in the visible light image, determine the identity information of the target object, and further execute body temperature monitoring operation aiming at the target object according to the identity information of the target object and the body temperature corresponding to the target object at the acquisition time; the body temperature monitoring operation includes one or more of the following: the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning are displayed on the screen of the intelligent screen. Different from conventional mercury clinical thermometer or electron temperature measurement rifle, the body temperature supervision method that this embodiment provided can be realized by the wisdom screen that disposes visible light camera and thermal imaging camera, and the user only needs appear in the camera collection area of wisdom screen, and the wisdom screen can realize temperature measurement and temperature supervision to the user, and is very convenient, has effectively promoted user experience.
Additional features and advantages of embodiments of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for monitoring body temperature according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a temperature monitoring principle of a smart screen according to an embodiment of the present invention;
fig. 4 shows a block diagram of a body temperature monitoring apparatus according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, not all, embodiments of the present invention.
In view of the inconvenience of the conventional temperature measurement method and the difficulty in monitoring the body temperature of the user, embodiments of the present invention provide a method and an apparatus for monitoring the body temperature, a smart screen and a computer-readable storage medium, which are described in detail below.
The first embodiment is as follows:
first, an example electronic device 100 for implementing a body temperature supervision method, apparatus, smart screen and computer-readable storage medium according to an embodiment of the present invention is described with reference to fig. 1.
As shown in fig. 1, an electronic device 100 includes one or more processors 102, one or more memory devices 104, an input device 106, an output device 108, and an image capture device 110, which are interconnected via a bus system 112 and/or other type of connection mechanism (not shown). It should be noted that the components and structure of the electronic device 100 shown in fig. 1 are exemplary only, and not limiting, and the electronic device may have other components and structures as desired.
The processor 102 may be implemented in at least one hardware form of a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), a Programmable Logic Array (PLA), the processor 102 may be one or a combination of several of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), or other forms of processing units having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device 100 to perform desired functions.
The storage 104 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc. On which one or more computer program instructions may be stored that may be executed by processor 102 to implement client-side functionality (implemented by the processor) and/or other desired functionality in embodiments of the invention described below. Various applications and various data, such as various data used and/or generated by the applications, may also be stored in the computer-readable storage medium.
The input device 106 may be a device used by a user to input instructions and may include one or more of a keyboard, a mouse, a microphone, a touch screen, and the like.
The output device 108 may output various information (e.g., images or sounds) to the outside (e.g., a user), and may include one or more of a display, a speaker, and the like.
The image capture device 110 may take images (e.g., photographs, videos, etc.) desired by the user and store the taken images in the storage device 104 for use by other components.
Illustratively, the example electronic device for implementing the body temperature supervision method, apparatus, smart screen and computer readable storage medium according to embodiments of the present invention may be implemented as, for example, a smart screen.
Example two:
unlike the traditional temperature measurement method, the present embodiment provides a body temperature monitoring method, which is executed by an intelligent screen. Along with science and technology development, the wisdom screen is gradually merged into daily life, compares in traditional TV, and the wisdom screen can provide more intelligent audio-visual service. In order to realize more convenient body temperature measurement and supervision, the intelligent screen is adopted to execute the body temperature supervision method in the embodiment, great temperature measurement convenience is provided for places such as families with the intelligent screen, for example, family members only need to appear near the intelligent screen to automatically realize body temperature measurement, and do not need to hold a thermometer/a temperature measuring gun to measure temperature, the intelligent screen can further realize body temperature supervision, and user experience is improved. In this embodiment, the smart screen is configured with a visible light camera and a thermal imaging camera, referring to a flow chart of a body temperature monitoring method shown in fig. 2, the method may be applied to the smart screen, and when being implemented, the method may be executed by a device having a processing function, such as a master controller of the smart screen, and mainly includes the following steps S202 to S208:
step S202, acquiring an image frame pair containing a target object through a visible light camera and a thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time.
The visible light camera can be used for collecting visible light images, the visible light images are portions which can be perceived by human eyes in an electromagnetic spectrum, the visible light images obtained by the visible light camera are also images which can be seen by human eyes, and the current state presented by the image collecting area of the visible light camera, such as the appearance and the position of a target object in the image collecting area, can be visually reflected through the visible light images. The target object in the present embodiment is mainly a person, such as a family member of a family in which the smart screen is located. The thermal imaging camera (also called as infrared camera) can be used for collecting infrared images, and because the human body is a natural biological infrared radiation source and can continuously emit and absorb infrared radiation to the surroundings, the thermal imaging camera can collect infrared images reflecting the temperature of the human body.
In this embodiment, a visible light image is collected by a visible light camera, an infrared image is collected by a thermal imaging camera, and then the visible light image and the infrared image collected by the visible light camera and the thermal imaging camera at the same time are used as a group of image frame pairs. In practical applications, the visible light camera and the thermal imaging camera may be time synchronized in advance.
And step S204, determining the body temperature of the target object at the acquisition moment based on the image frame pair.
On the basis that the visible light image and the infrared image in the image frame pair are acquired at the same time, the corresponding relation between the visible light image and the infrared image can be determined according to the spatial position relation between the visible light camera and the infrared camera, and according to the corresponding relation, the position of the target object in the visible light image can be correspondingly obtained when the position of the target object in the visible light image is detected, so that the body temperature of the target object at the acquisition time is extracted from the infrared image.
Step S206, carrying out face recognition on the target object in the visible light image, and determining the identity information of the target object. In practical applications, it can be implemented by using a face recognition algorithm, for example.
Step S208, according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment, executing body temperature supervision operation aiming at the target object; the body temperature monitoring operation includes one or more of the following: the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning are displayed on the screen of the intelligent screen.
The body temperature monitoring method provided by the embodiment of the invention is different from a conventional mercury thermometer or an electronic temperature measuring gun, the body temperature monitoring method provided by the embodiment can be realized by a smart screen provided with a visible light camera and a thermal imaging camera, and the smart screen can realize temperature measurement and temperature monitoring on a user as long as the user appears in a camera acquisition area of the smart screen, so that the method is very convenient, and the user experience is effectively improved.
In this embodiment, a specific implementation manner of determining the body temperature of the target object at the acquisition time based on the image frame pair is provided, and may be implemented by referring to the following steps 1 to 3:
step 1, detecting the position of the forehead part of the target object in the visible light image. In practical application, the detection can be realized through a target detection algorithm, such as a face detection algorithm, to obtain the position of the forehead part of the target object in the visible light image, and the position can be represented in a coordinate form or can be directly circled by a detection frame.
And 2, determining the position of the forehead of the target object in the infrared image according to the spatial position relationship between the visible light camera and the thermal imaging camera and the position of the forehead of the target object in the visible light image.
It can be understood that the installation positions of the visible light camera and the thermal imaging camera on the smart screen are different, the image acquisition range has certain deviation, the images acquired aiming at the same region are also different, namely the positions of the same target object in the visible light image and the infrared image are also different, and the position difference is directly related to the spatial position relationship between the visible light camera and the thermal imaging camera, so that the position of the forehead of the target object in the visible light image can be finally determined according to the spatial position relationship between the visible light camera and the thermal imaging camera and the position of the forehead of the target object in the visible light image.
And 3, determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image. The body temperature of the target object can be determined according to the temperature of the region where the forehead of the target object is located in the infrared image, and the temperature measurement result of the target object is obtained.
In order to make the temperature measurement result of wisdom screen more accurate, this embodiment still is provided with the blackbody in the image acquisition region of thermal imaging camera to carry out temperature correction through the blackbody. A black body is an idealized object in thermal radiation, having the three characteristics of completely absorbing any wavelength of extraneous radiation under any conditions without any reflection, an absorption ratio of 1, and total absorption at any temperature of the incident radiation of any wavelength, and can therefore be considered as a thermostat. This embodiment sets up the black body in thermal imaging camera's image acquisition region, can obtain the measured temperature of black body through thermal imaging camera measurement, and the difference between the measured temperature of black body and the temperature that black body self set for is the temperature deviation that environmental impact or wisdom screen thermal imaging camera self led to correct the body temperature of the target object that thermal imaging camera obtained, obtain more accurate temperature measurement result.
Therefore, when the step 3 is implemented specifically, the forehead temperature measurement value of the target object can be determined according to the position of the forehead part of the target object in the infrared image; and then correcting the forehead temperature measurement value of the target object through the black body, and taking the corrected forehead temperature value as the body temperature of the target object.
When correcting the forehead temperature measurement value of the target object through the black body, the following steps (1) to (3) may be specifically referred to:
(1) the position of the black body in the infrared image is detected. In practical application, if the position of the black body is fixed, the position of the black body can be manually calibrated in advance to directly determine the position of the black body in the infrared image. In addition, a pre-trained neural network model can be adopted to perform black body detection on the infrared image to obtain position information of the black body in the infrared image, namely, the neural network model is utilized to perform target detection on the black body in the infrared image, the position of the black body is not required to be fixed, and the black body only needs to be located in the acquisition range of the infrared camera.
(2) Based on the position of the black body in the infrared image, a measured temperature of the black body is determined. The temperature of the area of the black body in the infrared image is taken as the measured temperature of the black body.
(3) And correcting the forehead temperature measurement value of the target object according to the measurement temperature of the black body and the preset temperature of the black body. Because the black body has the constant temperature characteristic, when the measured temperature of the black body is different from the preset temperature of the black body, the measured temperature of the temperature measuring equipment has deviation. For example, when the preset temperature of the black body is 34 degrees and the measured temperature of the black body obtained by the thermal imaging camera is 34.5 degrees, it can be determined that the temperature measurement result obtained by the thermal imaging camera is higher than the actual temperature by 0.5 degrees, so that the measured temperature correction value is set to be 0.5 degrees, the forehead temperature measurement value of the target object is corrected to obtain a more accurate temperature measurement result, and the phenomenon of false alarm caused by inaccurate temperature measurement result is reduced.
Assuming that the measured temperature of the family member a by the thermal imaging camera is 37.5 degrees, the corrected temperature is 37.0 degrees. The corrected temperature of 37.0 ℃ is used as the temperature measurement result of the family member A, so that the condition that the health of the family member A is mistakenly considered to have a problem and cause false surprise is avoided. The measured temperature of the target object is corrected by utilizing the constant temperature characteristic of the black body, so that the temperature measurement error caused by equipment or environmental factors can be reduced, and the accuracy of temperature measurement is improved.
The temperature monitoring operation provided by the smart screen in this embodiment includes, but is not limited to, one or more of the following: the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning are displayed on the screen of the intelligent screen, and for the convenience of understanding, explanation is respectively carried out as follows:
if the body temperature monitoring operation includes displaying the body temperature on the smart screen (also referred to as body temperature screen display for short), when the smart screen performs the body temperature monitoring operation on the target object, the intelligent screen may display the identity information of the target object and the body temperature corresponding to the target object at the acquisition time at a specified position of the smart screen, such as above the smart screen or below the smart screen, or may continuously display the body temperature for a specified time (e.g., 10 seconds) at the center of the smart screen, or may display the body temperature on the smart screen only when the body temperature is abnormal, and the specific display mode may be set manually, which is not limited herein.
If the body temperature monitoring operation comprises body temperature change statistics, the intelligent screen can search a body temperature record corresponding to the identity information in a specified storage area according to the identity information of the target object when the intelligent screen executes the body temperature monitoring operation aiming at the target object; and counting the body temperature change condition of the target object in a specified time period according to the body temperature and the body temperature record of the target object corresponding to the acquisition time. The body temperature record comprises the identity information of the object, the historical acquisition time and the corresponding body temperature. For example, identity information of all detected target subjects (i.e., subject identity information) is recorded in the body temperature record, and each subject identity information is associated with and recorded with a historical acquisition time and a body temperature corresponding to each historical acquisition time. The intelligent screen can pre-store the acquired identity information, the body temperature and the body temperature acquisition time of the target object in an appointed storage area, for example, a body temperature recording table can be established for each identity information in the appointed storage area, the body temperature acquisition time and the corresponding body temperature value are recorded, and the body temperature record corresponding to the identity information is obtained. Then, according to the body temperature of the target object at the acquisition time and the body temperature record corresponding to the target object searched from the specified storage area, the body temperature change condition of the target object in a specified time period is counted, such as the body temperature change condition of the target object in 24 hours, and the body temperature change condition can be displayed on a screen in a body temperature change curve form or sent to a specified terminal.
If the body temperature monitoring operation comprises body temperature remote notification, when the intelligent screen executes the body temperature monitoring operation aiming at the target object, the intelligent screen can search relevant personnel of the target object according to the identity information of the target object when the body temperature corresponding to the target object at the acquisition moment is higher than a preset temperature threshold value; and sending the body temperature corresponding to the target object at the acquisition moment to a terminal corresponding to the associated person. For example, the identity information of the target object represents that the target object is a family member a (child), and if the body temperature is high, such as higher than a preset temperature threshold of 37.2 degrees, the body temperature can be sent to a family member B or a family member C of the family member a (the family member B and the family member C are parents of the family member a), so that other family members can know the abnormal state in time, and thus corresponding measures can be taken in time.
If the body temperature monitoring operation comprises body temperature abnormal warning, the intelligent screen can directly initiate sound alarm when the body temperature monitoring operation aiming at the target object is executed, or alarm in a picture and text mode on the screen, or send the abnormal body temperature to a specified terminal for alarm and the like, and related personnel can be brought to the attention as soon as possible through the mode.
In practical application, a user can also inquire the body temperature through the intelligent screen, that is, the body temperature supervision method further comprises the following steps 1 and 2:
step 1, if a body temperature query instruction carrying the identity information of a subject to be queried is received, searching a target body temperature corresponding to the identity information of the subject according to the body temperature query instruction.
And if the body temperature query instruction carries the body temperature query time, searching the body temperature corresponding to the acquisition time closest to the body temperature query time from the body temperature record corresponding to the stored object identity information, and taking the searched body temperature as the target body temperature. It can be understood that the intelligent screen can measure the temperature of the target object only when the target object appears in the camera acquisition range of the intelligent screen, and the target object is likely not to appear right near the intelligent screen at the body temperature inquiry time, therefore, the body temperature corresponding to the acquisition time closest to the body temperature query time is searched from the body temperature records corresponding to the stored identity information of the object, and the searched body temperature is taken as the target body temperature, such as, receiving a body temperature inquiry instruction of a family member A carrying the body temperature to be inquired through a remote terminal, and the body temperature query instruction also carries the body temperature query time of 14:00 in 6 months and 1 day of 2020, however, the body temperature collected at 14:00 is not recorded in the body temperature record of the family member a, and the body temperature closest to 14:00 is recorded as the body temperature collected at 13:10, and the body temperature collected at 13:10 is taken as the inquired target body temperature.
And if the body temperature query instruction does not carry the body temperature query time, searching the body temperature corresponding to the latest recorded acquisition time from the body temperature records corresponding to the stored identity information of the object, and taking the searched body temperature as the target body temperature. Assuming that the intelligent screen receives a body temperature query instruction of the family member A carrying the body temperature to be queried at 16:00 in 6.1.2020 and the body temperature corresponding to the latest recorded acquisition time is the body temperature acquired at 15:45, the body temperature acquired at 15:45 is taken as the queried target body temperature.
In practical application, a user can set the identity information of an object to be inquired and the body temperature inquiry time in a mode of a mobile phone, a smart screen remote controller, a touch screen of a smart screen and the like, and generate a body temperature inquiry instruction. Of course, the body temperature query time may not be set, and the body temperature acquired at the latest time may be queried by default.
And 2, feeding back the target body temperature according to the receiving way of the body temperature query instruction.
If the receiving way of the body temperature inquiry instruction comprises the receiving of the intelligent screen or the receiving of near field communication, the target body temperature is fed back through the intelligent screen. The intelligent screen receiving path, namely the user generates the body temperature inquiry instruction by directly touching the physical/virtual function keys on the display screen of the intelligent screen, and the close-range communication receiving path comprises remote controller communication, Bluetooth communication and the like. If the intelligent screen receives the body temperature inquiry instruction in the mode, the situation that the user initiating the body temperature inquiry instruction is near the intelligent screen is shown, so that the target body temperature can be directly fed back on the intelligent screen, and the intelligent screen is very clear and visual.
And if the receiving way of the body temperature query instruction is remote communication receiving, feeding the target body temperature back to the sending terminal of the body temperature query instruction according to the communication path. The remote communication receiving way comprises the remote terminal and the intelligent screen for remote communication, if the intelligent screen receives the body temperature inquiry instruction through the way, the situation that a user initiating the body temperature inquiry instruction is probably not near the intelligent screen is shown, and therefore the target body temperature can be directly fed back to the sending terminal of the body temperature inquiry instruction.
Through the mode, the intelligent screen can provide intelligent body temperature inquiry service for the user according to user requirements, and user experience is better improved.
On the basis of the foregoing body temperature monitoring method, this embodiment provides an implementation manner of an intelligent screen for monitoring body temperature, and the implementation manner mainly includes an infrared thermal imaging module (corresponding to the foregoing thermal imaging camera), a visible light camera module (corresponding to the foregoing visible light camera), an algorithm SDK (Software Development Kit) module, and a subsequent processing module, where the algorithm SDK module at least includes a face recognition unit and a black body correction unit, and the subsequent processing module includes a display unit, a recording unit, a statistics unit, a storage unit, and a remote notification unit. The thermal imaging camera module and the visible light camera module are integrated in a smart screen hardware system, the algorithm SDK is integrated in a smart screen software system, and the subsequent processing module can be integrated in the smart screen software system and can also be located at a cloud end (cloud server) communicated with the smart screen. For convenience of understanding, refer to a temperature monitoring schematic diagram of an intelligent screen shown in fig. 3, which illustrates that an infrared thermal imaging module transmits a collected thermal image to an algorithm SDK, a visible light camera module transmits a collected portrait image to the algorithm SDK, and the algorithm SDK mainly performs operations such as face recognition, forehead detection, black body correction, body temperature calculation, and the like. As shown in fig. 3, the algorithm SDK may send the obtained personal information and the obtained body temperature value to a subsequent processing module for body temperature monitoring operations such as body temperature display, body temperature recording, statistics, and storage, and remote notification.
In summary, the above body temperature supervision method provided by this embodiment can be realized by the smart screen configured with the visible light camera and the thermal imaging camera, and as long as the user appears in the camera acquisition area of the smart screen, the smart screen can realize temperature measurement and temperature supervision for the user, which is very convenient and effectively improves user experience.
Example three:
for the body temperature monitoring method provided by the foregoing embodiment, an embodiment of the present invention provides a body temperature monitoring device, referring to a structural block diagram of a body temperature monitoring device shown in fig. 4, the device is applied to a smart screen, the smart screen is configured with a visible light camera and a thermal imaging camera, and the device includes the following modules:
an image acquisition module 42, configured to acquire an image frame pair including a target object through a visible light camera and a thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time;
a body temperature determination module 44 for determining the body temperature of the target object at the acquisition time based on the image frame pair;
an identity determination module 46, configured to perform face recognition on a target object in the visible light image, and determine identity information of the target object;
the body temperature monitoring module 48 is configured to execute a body temperature monitoring operation for the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition time; the body temperature monitoring operation includes one or more of the following: the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning are displayed on the screen of the intelligent screen.
The body temperature monitoring device provided by the embodiment of the invention is different from a conventional mercury thermometer or an electronic temperature measuring gun, the body temperature monitoring method provided by the embodiment of the invention can be realized by a smart screen provided with a visible light camera and a thermal imaging camera, and the smart screen can realize temperature measurement and temperature monitoring on a user as long as the user appears in a camera acquisition area of the smart screen, so that the device is very convenient, and the user experience is effectively improved.
In one embodiment, the body temperature determination module 44 is configured to: detecting the position of the forehead part of the target object in the visible light image; determining the position of the forehead part of the target object in the infrared image according to the spatial position relationship between the visible light camera and the thermal imaging camera and the position of the forehead part of the target object in the visible light image; and determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image.
In one embodiment, a black body is also disposed within the image acquisition region of the thermal imaging camera; the body temperature determination module 44 is further configured to: determining a forehead temperature measurement value of the target object according to the position of the forehead part of the target object in the infrared image; correcting the forehead temperature measurement value of the target object through a black body, and taking the corrected forehead temperature value as the body temperature of the target object.
In one embodiment, the body temperature determination module 44 is further configured to: detecting the position of the black body in the infrared image; determining a measured temperature of the black body based on a position of the black body in the infrared image; and correcting the forehead temperature measurement value of the target object according to the measurement temperature of the black body and the preset temperature of the black body.
In one embodiment, if the body temperature administration operation includes body temperature change statistics, the body temperature administration module 48 is operable to: according to the identity information of the target object, searching a body temperature record corresponding to the identity information in a specified storage area; the body temperature record comprises the identity information of the object, the historical acquisition time and the corresponding body temperature; and counting the body temperature change condition of the target object in a specified time period according to the body temperature and the body temperature record of the target object corresponding to the acquisition time.
In one embodiment, if the body temperature administration operation includes remote notification of body temperature, the body temperature administration module 48 is operable to: if the body temperature of the target object at the acquisition moment is higher than a preset temperature threshold, searching for related personnel of the target object according to the identity information of the target object; and sending the body temperature corresponding to the target object at the acquisition moment to a terminal corresponding to the associated person.
In one embodiment, the above apparatus further comprises:
the body temperature searching module is used for searching a target body temperature corresponding to the identity information of the object according to the body temperature searching instruction if the body temperature searching instruction carrying the identity information of the object with the body temperature to be searched is received;
and the body temperature feedback module is used for feeding back the target body temperature according to the receiving way of the body temperature inquiry instruction.
In one embodiment, the body temperature lookup module is further configured to: if the body temperature query instruction carries the body temperature query time, searching the body temperature corresponding to the acquisition time closest to the body temperature query time from the stored body temperature record corresponding to the object identity information, and taking the searched body temperature as the target body temperature; and if the body temperature query instruction does not carry the body temperature query time, searching the body temperature corresponding to the latest recorded acquisition time from the stored body temperature records corresponding to the identity information of the object, and taking the searched body temperature as the target body temperature.
In one embodiment, the body temperature feedback module is further configured to: if the receiving way of the body temperature inquiry instruction comprises the receiving of an intelligent screen or the receiving of near field communication, the target body temperature is fed back through the intelligent screen; and if the receiving way of the body temperature query instruction is remote communication receiving, feeding the target body temperature back to the sending terminal of the body temperature query instruction according to the communication path.
The device provided by the embodiment has the same implementation principle and technical effect as the foregoing embodiment, and for the sake of brief description, reference may be made to the corresponding contents in the foregoing method embodiment for the portion of the embodiment of the device that is not mentioned.
Further, the embodiment provides a smart screen, includes: a processor and a storage device; the storage means has stored thereon a computer program which, when executed by the processor, performs any of the body temperature monitoring methods as described above. The smart screen may be implemented with reference to the electronic device in the first embodiment, which is not limited herein.
The body temperature monitoring method, the body temperature monitoring device and the computer program product of the intelligent screen comprise a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by a processor, any one of the steps of the body temperature monitoring method is executed.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (12)
1. A body temperature supervision method is characterized in that the method is executed by a smart screen, and the smart screen is provided with a visible light camera and a thermal imaging camera; the method comprises the following steps:
acquiring an image frame pair containing a target object through the visible light camera and the thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time;
determining a body temperature of the target subject at the acquisition time based on the image frame pair;
performing face recognition on a target object in the visible light image, and determining identity information of the target object;
executing body temperature supervision operation aiming at the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment; the body temperature supervision operations include one or more of the following: and displaying the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning on an intelligent screen.
2. The method of claim 1, wherein the step of determining the body temperature of the target subject at the acquisition time based on the image frame pairs comprises:
detecting a position of a forehead portion of the target object in the visible light image;
determining the position of the forehead part of the target object in the infrared image according to the spatial position relationship between the visible light camera and the thermal imaging camera and the position of the forehead part of the target object in the visible light image;
and determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image.
3. The method of claim 2, wherein a black body is further disposed within an image acquisition area of the thermal imaging camera;
the step of determining the body temperature of the target object according to the position of the forehead part of the target object in the infrared image comprises the following steps:
determining a forehead temperature measurement value of the target object according to the position of the forehead part of the target object in the infrared image;
correcting the forehead temperature measurement value of the target object through the black body, and taking the corrected forehead temperature value as the body temperature of the target object.
4. The method of claim 3, wherein the step of correcting the temperature measurement of the target object by the blackbody comprises:
detecting the position of the black body in the infrared image;
determining a measured temperature of the black body based on a position of the black body in the infrared image;
and correcting the forehead temperature measurement value of the target object according to the measurement temperature of the black body and the preset temperature of the black body.
5. The method of claim 1, wherein if the body temperature monitoring operation includes body temperature variation statistics, the step of performing the body temperature monitoring operation on the target subject according to the identity information of the target subject and the body temperature of the target subject corresponding to the acquisition time comprises:
according to the identity information of the target object, searching a body temperature record corresponding to the identity information in a specified storage area; the body temperature record comprises the identity information of the object, the historical acquisition time and the corresponding body temperature;
and counting the body temperature change condition of the target object in a specified time period according to the body temperature of the target object at the acquisition time and the body temperature record.
6. The method according to claim 1, wherein if the body temperature administration operation includes a body temperature remote notification, the step of performing the body temperature administration operation for the target subject according to the identity information of the target subject and the body temperature of the target subject corresponding to the acquisition time comprises:
if the body temperature of the target object at the acquisition moment is higher than a preset temperature threshold, searching for related personnel of the target object according to the identity information of the target object;
and sending the body temperature of the target object corresponding to the acquisition moment to a terminal corresponding to the associated person.
7. The method of claim 1, further comprising:
if a body temperature query instruction carrying the identity information of a subject with the body temperature to be queried is received, searching a target body temperature corresponding to the identity information of the subject according to the body temperature query instruction;
and feeding back the target body temperature according to the receiving way of the body temperature inquiry instruction.
8. The method according to claim 7, wherein the step of searching for the target body temperature corresponding to the identity information of the subject according to the body temperature query instruction comprises:
if the body temperature query instruction carries the body temperature query time, searching the body temperature corresponding to the acquisition time closest to the body temperature query time from the stored body temperature record corresponding to the object identity information, and taking the searched body temperature as the target body temperature;
and if the body temperature query instruction does not carry the body temperature query time, searching the body temperature corresponding to the latest recorded acquisition moment from the stored body temperature records corresponding to the object identity information, and taking the searched body temperature as the target body temperature.
9. The method of claim 7, wherein the step of feeding back the target body temperature according to the receiving way of the body temperature query instruction comprises:
if the receiving way of the body temperature inquiry instruction comprises intelligent screen receiving or near field communication receiving, the target body temperature is fed back through the intelligent screen;
and if the receiving way of the body temperature query instruction is remote communication receiving, feeding back the target body temperature to a sending terminal of the body temperature query instruction according to a communication path.
10. A body temperature supervision device is characterized in that the device is applied to a smart screen, and the smart screen is provided with a visible light camera and a thermal imaging camera; the method comprises the following steps:
the image acquisition module is used for acquiring an image frame pair containing a target object through the visible light camera and the thermal imaging camera; the image frame pair comprises a visible light image and an infrared image which have the same acquisition time;
a body temperature determination module for determining a body temperature of the target object at the acquisition time based on the image frame pair;
the identity determination module is used for carrying out face recognition on a target object in the visible light image and determining identity information of the target object;
the body temperature monitoring module is used for executing body temperature monitoring operation aiming at the target object according to the identity information of the target object and the body temperature of the target object corresponding to the acquisition moment; the body temperature supervision operations include one or more of the following: and displaying the body temperature, the body temperature change statistics, the body temperature remote notification and the body temperature abnormity warning on an intelligent screen.
11. A smart screen, comprising: a processor and a storage device;
the storage device has stored thereon a computer program which, when executed by the processor, performs the method of any of claims 1 to 9.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of the preceding claims 1 to 9.
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