CN104980710B - Temperature checking method and mobile terminal - Google Patents
Temperature checking method and mobile terminal Download PDFInfo
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- CN104980710B CN104980710B CN201510385453.5A CN201510385453A CN104980710B CN 104980710 B CN104980710 B CN 104980710B CN 201510385453 A CN201510385453 A CN 201510385453A CN 104980710 B CN104980710 B CN 104980710B
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- temperature
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Abstract
The invention discloses a kind of temperature checking method and mobile terminal, and for mobile terminal, the mobile terminal includes a thermal infrared imager, and the temperature checking method includes：S1, pass through the thermal infrared imager obtain user facial thermography；S2, the facial temperature value of the user is obtained according to the thermography and exports the temperature value on the mobile terminal.The mobile terminal of the present invention can detect the temperature of human body, and privacy can be protected in detection temperature, and further, the temperature checking method of the application and the temperature of acquisition for mobile terminal are more accurate.
Description
Technical field
The present invention relates to a kind of temperature checking method and mobile terminal.
Background technology
Smart mobile phone has become the indispensable instrument of people's daily life, and it is more that user wishes that smart mobile phone has
Function, such as utilize smart mobile phone measurement human body temperature.
In the prior art, the temperature signals of user are measured by adding temperature sensor on mobile phone, and by the letter
After number being changed, it is shown on mobile phone screen, this mode can make mobile phone, and the production cost increases, and the shape of mobile phone is more
Add complexity, lack aesthetic feeling.
The content of the invention
The technical problem to be solved in the present invention is realize mobile terminal using temperature sensor in the prior art to overcome
The defects of collection body temperature can make the complicated of mobile terminal and increase the production cost of mobile terminal, there is provided a kind of safe and reliable
And the temperature checking method and mobile terminal of user's body temperature can be accurately measured.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of temperature checking method, for mobile terminal, the mobile terminal includes a thermal infrared imager, its feature exists
In the temperature checking method includes：
S1, pass through the thermal infrared imager obtain user facial thermography；
S2, obtain according to the thermography the facial temperature value of the user and described in exporting on the mobile terminal
Temperature value.
Thermography can be obtained using thermal infrared imager, according to the color and the correspondence of temperature value on thermography, energy
Enough obtain the temperature of different zones on thermography.But if thermal infrared imager is directly applied to what is obtained on mobile terminal
The image of human body is larger, can not accurately obtain the body temperature of user, on the other hand, if thermal infrared imager alignment human body carried out
Shooting can invasion of privacy.
The present invention obtains the thermography of face, since the face of people can reflect the body temperature of human body well so that uses
Family utilizes the accurate temperature value of the acquisition for mobile terminal.Further, since being that the face of user is imaged, therefore will not invade
Violate the privacy of human body, make the use of mobile terminal more safe and reliable.
It is preferred that the mobile terminal further includes a camera, the shooting direction of the camera and the infrared thermal imagery
Instrument is identical, and the thermal infrared imager obtains the thermography on the backstage of the mobile terminal.
In the prior art, camera can be integrated together with thermal imaging system, i.e., a camera can realize shooting
With obtain two functions of thermography, but this camera cost is higher, and the present invention is guaranteeing to obtain the thermal imagery with face
On the premise of figure, using lower-cost mentality of designing, the production cost of intelligent terminal has been saved.
It is preferred that step S1Including：
S11, the camera obtain image；
S12, by facial recognition techniques identify the face-image in the image；
S13, by the thermal infrared imager obtain object time thermography, the object time be the image in deposit
At the time of face-image.
The mobile terminal carries out recognition of face using the camera, and successfully recognizes face-image in camera
At the moment, call the thermal infrared imager to be shot, so as to obtain thermography corresponding with face-image.
The present invention can also further set the image quality of face-image, just be adjusted after reaching certain size such as face-image
Thermography is obtained with thermal infrared imager, i.e., described object time is the presence of the face-image for meeting pre-set dimension in the image
Moment.
It is preferred that the temperature checking method includes：
The image identical with the thermography pixel is obtained by the camera；
According to the face-image identified in described image by facial recognition techniques, the correspondence of the face-image on thermography
Facial thermogram is obtained at position, the facial temperature value of user is obtained according to the color of the facial thermogram.
Described image is identical with the pixel of thermography, i.e., size is identical, due to the shooting point of camera and thermal infrared imager
Close, the image of acquisition is substantially similar, and it is convenient and efficient to obtain facial thermogram by described image.
It is preferred that the thermography passes through binary conversion treatment, each pixel corresponds to a temperature, in the facial thermogram
The pixel that gray value is more than a preset value is target pixel points,
Average to the corresponding temperature of target complete pixel to obtain the facial temperature；Or,
Average to the gray value of target complete pixel the gray value of an acquisition mean pixel point, the facial temperature
Spend for the corresponding temperature of the mean pixel point.
The present invention obtains the temperature of face, can be that peak can also make average value, mobile terminal can show multiple
Data are read with user, are provided to the user conveniently.
The present invention also provides a kind of mobile terminal, the mobile terminal includes a thermal infrared imager, its feature is, described
Mobile terminal further includes an acquisition module, a processing module and an output module,
The acquisition module is used for the facial thermography that user is obtained by the thermal infrared imager；
The processing module is used for the facial temperature value that the user is obtained according to the thermography；
The output module is used to export the temperature value on the mobile terminal.
It is preferred that the mobile terminal further includes a camera, the shooting direction of the camera and the infrared thermal imagery
Instrument is identical, and the thermal infrared imager obtains the thermography on the backstage of the mobile terminal.
It is preferred that the mobile terminal includes a photographing module and an identification module,
The photographing module is used to obtain image by the camera；
The identification module is used to identify the face-image in the image by facial recognition techniques；
The acquisition module is used for the thermography that object time is obtained by the thermal infrared imager, and the object time is
There are at the time of face-image in the image.
It is preferred that
The acquisition module is used to obtain the image identical with the thermography pixel by the camera；
The processing module is used for according to the face-image identified in described image by facial recognition techniques, on thermography
Face-image corresponding position obtain facial thermogram, according to the color of the facial thermogram obtain user it is facial
Temperature value.
It is preferred that the mobile terminal further includes a computing module, the thermography passes through binary conversion treatment, each pixel
Put and correspond to a temperature, the pixel that gray value is more than a preset value in the facial thermogram is target pixel points, the calculating
Module is used for：
Average to the corresponding temperature of target complete pixel to obtain the facial temperature；Or,
Average to the gray value of target complete pixel the gray value of an acquisition mean pixel point, the facial temperature
Spend for the corresponding temperature of the mean pixel point.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can be combined, each preferably real up to the present invention
Example.
The positive effect of the present invention is：The mobile terminal of the present invention can detect the temperature of human body, and can
Privacy is protected in detection temperature, further, the temperature checking method of the application and the temperature of acquisition for mobile terminal are more accurate
Really.
Brief description of the drawings
Fig. 1 is the structure diagram of the mobile phone of the embodiment of the present invention 1.
Fig. 2 is the flow chart of the temperature checking method of the embodiment of the present invention 1.
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
Apply among a scope.
Embodiment 1
Referring to Fig. 1, the present embodiment provides a kind of mobile phone 1, the mobile phone includes a thermal infrared imager 11, an acquisition module
12nd, a processing module 13, an output module 14, a camera 15, a photographing module 16, an identification module 17 and one calculate mould
Block 18.
The camera lens of the thermal infrared imager 11 is arranged side by side in the top-rear side of the mobile phone, edge with the camera 15
5 millimeters of spacing.The shooting direction of the camera is identical with the thermal infrared imager, and the thermal infrared imager is used in the hand
The backstage of machine obtains the thermography.
The photographing module 16 is used to obtain image by the camera.
The identification module 17 is used to identify the face-image in the image by facial recognition techniques.
The acquisition module 12 is used to obtain the image identical with the thermography pixel by the camera.The mesh
It is at the time of there is the face-image for meeting pre-set dimension in the image that timestamp, which is carved,.The acquisition module passes through thermal infrared imager
Obtain thermography.
The processing module 13 is used for according to the face-image identified in described image by facial recognition techniques, in thermography
On face-image corresponding position obtain facial thermogram, according to the color of the facial thermogram obtain user face
Temperature value.
The thermography passes through binary conversion treatment, and each pixel corresponds to a temperature, gray value in the facial thermogram
Pixel more than 115 is target pixel points.
The computing module 18 is used to average to the corresponding temperature of target complete pixel described facial to obtain
Temperature.
The output module 14 is used to export the temperature value on the display screen of the mobile phone.
The temperature value obtained in the present embodiment is facial mean temperature, it is possible to further be obtained by facial thermogram
Take the maximum temperature and minimum temperature of face.
On the other hand, by the analysis to facial thermogram, obtaining the corresponding temperature of thermography top pixel point can obtain
Take the temperature of family forehead.
The mobile phone of the present embodiment can detect the temperature of human body, and privacy can be protected in detection temperature, further
Ground, the temperature that mobile phone obtains are more accurate.
Referring to Fig. 2, the present embodiment also provides a kind of temperature checking method, the temperature checking method bag using above-mentioned mobile phone
Include：
Step 100, the camera obtain image.
Step 101, by facial recognition techniques identify the face-image in the image.
Step 102, obtain the image identical with the thermography pixel by the camera.
The mobile phone of the present embodiment obtains thermography using thermal infrared imager a fixed pixel value, and the camera obtains solid
The image of pixel value.
Step 103, the thermography in object time by thermal infrared imager acquisition object time.
The object time is at the time of there is the face-image for meeting pre-set dimension in the image.Utilize face recognition
During technology, a bounding box occurs in the face of mobile phone display screen, when the size of the bounding box reaches in the range of pre-set dimension
When, the mobile phone interception image, obtains thermography under synchronization.
Step 104, according in described image by facial recognition techniques identify face-image, on thermography face figure
The corresponding position of picture obtains facial thermogram.
Pixel of the gray value more than 115 is target pixel points in step 105, the facial thermogram, to target complete
The corresponding temperature of pixel is averaged to obtain the facial temperature.
Step 106, export the facial temperature on the display screen of the mobile phone.
The temperature value that the temperature checking method of the present embodiment obtains is facial mean temperature, it is possible to further pass through
Facial thermogram obtains the maximum temperature and minimum temperature of face.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, the difference is that only：
In temperature checking method, the gray scale for an acquisition mean pixel point of averaging to the gray value of target complete pixel
Value, the facial temperature is the corresponding temperature of the mean pixel point.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, the difference is that only：
In temperature checking method, after obtaining facial thermogram, it is corresponding with user's forehead to gather the facial thermogram top
The pixel in region, and the temperature of the pixel corresponding temperature acquisition forehead according to collection.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of from the principle of the present invention and essence, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (8)
1. a kind of temperature checking method, for mobile terminal, the mobile terminal includes a thermal infrared imager, it is characterised in that
The temperature checking method includes：
S1, pass through the thermal infrared imager obtain user facial thermography；
S2, the facial temperature value of the user is obtained according to the thermography and exports the temperature on the mobile terminal
Value；
Wherein, the thermography passes through binary conversion treatment, and each pixel corresponds to a temperature, gray value in the facial thermogram
Pixel more than a preset value is target pixel points, averages the corresponding temperature of target complete pixel with described in acquisition
The temperature of face；Or, the gray value for an acquisition mean pixel point of averaging to the gray value of target complete pixel, the face
The temperature in portion is the corresponding temperature of the mean pixel point.
2. temperature checking method as claimed in claim 1, it is characterised in that the mobile terminal further includes a camera, institute
State that the shooting direction of camera is identical with the thermal infrared imager, the thermal infrared imager obtains on the backstage of the mobile terminal
The thermography.
3. temperature checking method as claimed in claim 2, it is characterised in that step S1Including：
S11, the camera obtain image；
S12, by facial recognition techniques identify the face-image in the image；
S13, by the thermal infrared imager obtain object time thermography, the object time be the image in there are face
At the time of portion's image.
4. temperature checking method as claimed in claim 3, it is characterised in that the temperature checking method includes：
The image identical with the thermography pixel is obtained by the camera；
According to the face-image identified in described image by facial recognition techniques, the correspondence position of the face-image on thermography
Place obtains facial thermogram, and the facial temperature value of user is obtained according to the color of the facial thermogram.
5. a kind of mobile terminal, the mobile terminal includes a thermal infrared imager, it is characterised in that the mobile terminal further includes
One acquisition module, a processing module and an output module,
The acquisition module is used for the facial thermography that user is obtained by the thermal infrared imager；
The processing module is used for the facial temperature value that the user is obtained according to the thermography；
The output module is used to export the temperature value on the mobile terminal；
The mobile terminal further includes a computing module, and the thermography passes through binary conversion treatment, and each pixel corresponds to a temperature
Spend, the pixel that gray value is more than a preset value in the facial thermogram is target pixel points, and the computing module is used for：
Average to the corresponding temperature of target complete pixel to obtain the facial temperature；Or,
Average to the gray value of target complete pixel the gray value of an acquisition mean pixel point, the facial temperature is
The corresponding temperature of the mean pixel point.
6. mobile terminal as claimed in claim 5, it is characterised in that the mobile terminal further includes a camera, described to take the photograph
As the shooting direction of head is identical with the thermal infrared imager, described in the thermal infrared imager obtains on the backstage of the mobile terminal
Thermography.
7. mobile terminal as claimed in claim 6, it is characterised in that the mobile terminal includes a photographing module and a knowledge
Other module,
The photographing module is used to obtain image by the camera；
The identification module is used to identify the face-image in the image by facial recognition techniques；
The acquisition module is used for the thermography that object time is obtained by the thermal infrared imager, and the object time is described
There are at the time of face-image in image.
8. mobile terminal as claimed in claim 7, it is characterised in that
The acquisition module is used to obtain the image identical with the thermography pixel by the camera；
The processing module is used for according to the face-image identified in described image by facial recognition techniques, the face on thermography
The corresponding position of portion's image obtains facial thermogram, and the facial temperature of user is obtained according to the color of the facial thermogram
Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510385453.5A CN104980710B (en) | 2015-06-30 | 2015-06-30 | Temperature checking method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385453.5A CN104980710B (en) | 2015-06-30 | 2015-06-30 | Temperature checking method and mobile terminal |
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| CN104980710A CN104980710A (en) | 2015-10-14 |
| CN104980710B true CN104980710B (en) | 2018-05-04 |
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| CN106226262A (en) * | 2016-07-15 | 2016-12-14 | 西南石油大学 | A kind of gas concentration detecting system |
| CN106725353A (en) * | 2016-11-29 | 2017-05-31 | 深圳天珑无线科技有限公司 | Body temperature measurement method and mobile terminal |
| CN107332985A (en) * | 2017-06-21 | 2017-11-07 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal and its control method with infrared temperature measuring function |
| CN107644205A (en) * | 2017-09-18 | 2018-01-30 | 深圳市思维树科技有限公司 | A kind of body temperature measuring system and method |
| WO2019061293A1 (en) * | 2017-09-29 | 2019-04-04 | 深圳市大疆创新科技有限公司 | Object detection method, object detection terminal, and computer readable medium |
| CN108710841B (en) * | 2018-05-11 | 2021-06-15 | 杭州软库科技有限公司 | Human face living body detection device and method based on MEMs infrared array sensor |
| CN109215806A (en) * | 2018-10-31 | 2019-01-15 | 绍兴文理学院 | A kind of public place health monitoring systems and method based on recognition of face |
| CN110332995A (en) * | 2019-06-13 | 2019-10-15 | 深圳市中科鸿智科技有限公司 | Contactless humanbody temp measuring method, device, system and storage medium |
| CN111220276A (en) * | 2020-02-04 | 2020-06-02 | 湖南大学 | Method and system for monitoring fever symptoms of human body |
| CN111339951A (en) * | 2020-02-26 | 2020-06-26 | 北京迈格威科技有限公司 | Body temperature measuring method, device and system |
| CN111432052A (en) * | 2020-04-13 | 2020-07-17 | 北京年管家信息科技有限公司 | Smart phone with temperature measurement and night vision device functions, measurement method and computer-readable storage medium |
| CN111623877A (en) * | 2020-04-24 | 2020-09-04 | 南宁学院 | Temperature measuring instrument and mobile phone integrated temperature measuring system and method thereof |
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