CN111795747A - Color-based temperature measurement method, device, medium, and electronic apparatus - Google Patents
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 27
- 238000004590 computer program Methods 0.000 claims description 3
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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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- 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
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Abstract
The embodiment of the application provides a color-based temperature measurement method and device, a computer-readable medium and electronic equipment. The color-based temperature measurement method includes: acquiring color data of an object and an object temperature; determining an adjustment parameter corresponding to the color of the object according to the color data; and determining the actual temperature of the object according to the temperature of the object and the adjusting parameter. According to the technical scheme of the embodiment of the application, the color data of the measured object is obtained while the temperature of the object is detected, so that the temperature of the object is adjusted according to the color data, the actual temperature is obtained, the influence of the color on temperature measurement is reduced, and the accuracy and the objectivity of temperature detection are improved.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a color-based temperature measurement method and apparatus, a computer-readable medium, and an electronic device.
Background
In the temperature measurement process, the temperature is generally measured by a contact or non-contact manner. For example, an infrared thermometer is a meter for measuring temperature using the radiation principle, which uses an infrared sensor for absorbing only infrared rays radiated from a human body without emitting any rays to the outside, and senses the temperature of the human body by a non-contact method. However, the method of only using infrared often results in inaccurate temperature measurement, and the error between the measured temperature and the actual temperature of the measured object is large.
Disclosure of Invention
Embodiments of the present application provide a color-based temperature measurement method, device, computer-readable medium, and electronic device, thereby improving accuracy and objectivity of temperature detection at least to some extent.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of an embodiment of the present application, there is provided a color-based temperature measurement method including: acquiring color data of an object and an object temperature; determining an adjustment parameter corresponding to the color of the object according to the color data; and determining the actual temperature of the object according to the temperature of the object and the adjusting parameter.
In some embodiments of the present application, based on the foregoing solution, the determining, according to the color data, an adjustment parameter corresponding to a color of the object includes: determining a color coefficient according to a quotient between the color data and a preset color parameter; and determining an adjusting parameter corresponding to the color based on the color coefficient.
In some embodiments of the present application, based on the foregoing solution, the determining, based on the color coefficient, an adjustment parameter corresponding to the color includes: determining a correlation coefficient corresponding to the object temperature according to the corresponding relation between the object temperature and the correlation coefficient; and determining an adjusting parameter corresponding to the color based on the association coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing solution, the determining, based on the correlation coefficient and the color coefficient, an adjustment parameter corresponding to the color includes: calculating a product between the correlation coefficient and the color coefficient; and determining an adjusting parameter corresponding to the color according to the product of the correlation coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing scheme, the adjustment parameter is a vector; determining an actual temperature of the object according to the object temperature and the adjustment parameter, including: calculating a vector sum between the subject temperature and the adjustment parameter; and determining the actual temperature of the object according to the vector sum.
In some embodiments of the present application, based on the foregoing scheme, the acquiring color data of the object and the temperature of the object includes: acquiring color data of the object through a color recognition sensor; and acquiring the temperature of the object through a temperature sensor.
In some embodiments of the present application, based on the foregoing solution, the method further comprises: and if the actual temperature is higher than the temperature threshold value, generating reminding information.
According to an aspect of an embodiment of the present application, there is provided a color-based temperature measurement device, including: an acquisition unit configured to acquire color data of an object and an object temperature; the parameter unit is used for determining an adjustment parameter corresponding to the color of the object according to the color data; and the determining unit is used for determining the actual temperature of the object according to the temperature of the object and the adjusting parameter.
In some embodiments of the present application, based on the foregoing scheme, the parameter unit includes: a coefficient unit determining a color coefficient according to a quotient between the color data and a preset color parameter; and the parameter unit is used for determining the adjustment parameters corresponding to the colors based on the color coefficients.
In some embodiments of the present application, based on the foregoing scheme, the parameter unit includes: the correlation coefficient unit is used for determining a correlation coefficient corresponding to the object temperature according to the corresponding relation between the object temperature and the correlation coefficient; and the adjusting parameter unit is used for determining the adjusting parameter corresponding to the color based on the correlation coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing scheme, the adjustment parameter unit is configured to: calculating a product between the correlation coefficient and the color coefficient; and determining an adjusting parameter corresponding to the color according to the product of the correlation coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing scheme, the adjustment parameter is a vector; the determination unit includes: a calculation unit for calculating a vector sum between the subject temperature and the adjustment parameter; and the vector unit is used for determining the actual temperature of the object according to the vector sum.
In some embodiments of the present application, based on the foregoing solution, the obtaining unit includes: a first acquisition unit configured to acquire color data of the object by a color recognition sensor; a first acquisition unit for acquiring the temperature of the object by a temperature sensor.
In some embodiments of the present application, based on the foregoing solution, the color-based temperature measurement device further includes: and if the actual temperature is higher than the temperature threshold value, generating reminding information.
According to an aspect of embodiments of the present application, there is provided a computer readable medium having stored thereon a computer program which, when executed by a processor, implements the color-based temperature measurement method as described in the above embodiments.
According to an aspect of the embodiments of the present application, there is provided an electronic device, wherein the electronic device includes, but is not limited to, an infrared thermometer, an infrared ear thermometer, a thermal infrared imager, and the like; and infrared temperature measuring equipment for measuring the temperature of the object, such as an industrial infrared thermometer and the like. The temperature measuring objects of the electronic device in this embodiment include things with different colors and temperatures, such as people, solids, liquids, etc., such as objects with different colors, wood, water, iron, milk in a milk bottle, etc.
The method comprises the following steps: one or more processors; a storage device to store one or more programs that, when executed by the one or more processors, cause the one or more processors to implement a color-based temperature measurement method as described in the above embodiments.
In the technical scheme provided by some embodiments of the application, the color data of the measured object is obtained while the temperature of the object is detected, so that the temperature of the object is adjusted according to the color data to obtain the actual temperature, the influence of the color on temperature measurement is reduced, and the accuracy and the objectivity of temperature detection are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 schematically illustrates a flow chart of a method of color-based temperature measurement according to an embodiment of the present application;
FIG. 2 schematically illustrates a block diagram of a color based temperature measurement device according to one embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The implementation details of the technical solution of the embodiment of the present application are set forth in detail below:
FIG. 1 shows a flow diagram of a color-based temperature measurement method that may be performed by a thermometer, such as a thermometer equipped with a color sensor, according to one embodiment of the present application. Referring to fig. 1, the color-based temperature measuring method at least includes steps S110 to S130, which are described in detail as follows:
in step S110, color data of the object and the object temperature are acquired.
In one embodiment of the present application, the acquired object temperature is adjusted by acquiring color data of the object sheet and the object temperature.
Optionally, in this embodiment, the devices for acquiring the color data and the object temperature may be two devices respectively. For example, the temperature of the object is measured by a thermometer, and color data of the object is acquired by a color detection device. There may also be a device, for example, in which a color recognition sensor is provided on the temperature detection device, and color data of the object is acquired by the color recognition sensor; the temperature of the object is acquired by a temperature sensor.
Besides, the color data and the object temperature of a plurality of objects can be acquired in batch, so that the temperature of the plurality of objects can be adjusted in batch.
It should be noted that the temperature detection device in this embodiment includes, but is not limited to, an infrared thermometer, an infrared ear thermometer, an infrared thermal imager, and other devices for measuring temperature; and infrared temperature measuring equipment for measuring the temperature of the object, such as an industrial infrared thermometer and the like. The temperature measuring objects of the electronic device in this embodiment include things with different colors and temperatures, such as people, solids, liquids, etc., such as objects with different colors, wood, water, iron, milk in a milk bottle, etc. The detection area of the subject may be the forehead, the ear, etc., and is not limited herein.
It should be noted that the subject in this embodiment may be a human, an animal, or other species having a temperature, and the principle of the color-based temperature measurement method is the same.
In step S120, an adjustment parameter corresponding to the color of the object is determined based on the color data.
In one embodiment of the present application, after the color data is obtained, an adjustment parameter is generated based on the color data. Optionally, in this embodiment, an adjustment parameter corresponding to the color may be obtained according to a product between the color data and the correlation coefficient; or obtaining an adjusting parameter corresponding to the color according to the difference between the color data and the correlation coefficient; and performing exponential operation between the color data and the correlation coefficient, and the like to obtain the adjustment parameter corresponding to the color.
The adjustment parameters in this embodiment can be obtained according to actual experimental data, so that the adjustment parameters are more accurate.
In an embodiment of the present application, the process of determining the adjustment parameter corresponding to the color of the object according to the color data in step S120 includes steps S1201 to S1202:
in step S1201, a color coefficient is determined according to a quotient between the color data and a preset color parameter.
In one embodiment of the present application, the color coefficient is obtained by dividing the color data x by a preset color parameter N: and y is x/N. Wherein x represents actually measured skin color data; n represents a value determined according to actual testing.
In step S1202, an adjustment parameter corresponding to a color is determined based on the color coefficient.
In an embodiment of the present application, after obtaining the color coefficient, the color coefficient may be directly used as an adjustment parameter, or the color coefficient may be corrected, for example, multiplied or divided by a certain adjustment coefficient to obtain a corresponding adjustment parameter.
In an embodiment of the present application, the process of determining the adjustment parameter corresponding to the color based on the color coefficient in step S1202 includes the following steps:
determining a correlation coefficient corresponding to the object temperature according to the corresponding relation between the object temperature and the correlation coefficient;
and determining an adjusting parameter corresponding to the color based on the correlation coefficient and the color coefficient.
In one embodiment of the present application, a correspondence between the object temperature and its correlation coefficient M is preset, so as to determine the correlation coefficient M corresponding to the object temperature according to the correspondence between the object temperature and its correlation coefficient. Wherein, the correlation coefficient M represents the positive and negative distinction corresponding to different temperature ranges. For example, when the temperature is between the first threshold and the second threshold, M is a positive value; and when the temperature is between the third threshold value and the fourth threshold value, M is a negative value. In the embodiment, the limit and the mode of adjusting the temperature of the object are defined through the positive and negative value modes, so that the temperature in different ranges is correspondingly adjusted, and the accuracy and the objectivity of temperature correction are ensured.
In this embodiment, after the correlation coefficient M is determined, the adjustment parameter corresponding to the color is determined based on the correlation coefficient and the color coefficient. The determination method may be an addition and subtraction operation performed between the correlation coefficient and the color coefficient, or an exponential operation, and the like, specifically, the determination method is determined according to the corresponding relationship between the correlation coefficient M and the object temperature.
In an embodiment of the present application, the step of determining the adjustment parameter corresponding to the color based on the correlation coefficient and the color coefficient includes the following steps: calculating a product between the correlation coefficient and the color coefficient; and determining an adjusting parameter corresponding to the color according to the product of the correlation coefficient and the color coefficient.
In one embodiment of the present application, the adjustment parameter corresponding to the color is determined by multiplying the product y × M between the correlation coefficient and the color coefficient according to the product. The method for determining the adjustment parameter may be y × M/a, where a represents setting a coefficient, which may be 128, 64, or the like, and is determined according to actual conditions.
It should be noted that, in the present embodiment, the correlation coefficient M indicates positive and negative differences corresponding to different temperature ranges, so that the adjustment parameter calculated by M is a vector for indicating an addition or subtraction operation in the temperature adjustment process.
In step S130, the actual temperature of the object is determined according to the object temperature and the adjustment parameter.
In an embodiment of the present application, the process of determining the actual temperature of the object according to the temperature of the object and the adjustment parameter in step S130 includes the following steps: calculating a vector sum between the object temperature and the adjustment parameter; from the vector sum, the actual temperature of the object is determined.
In one embodiment of the present application, after the tuning parameters are obtained, a vector sum between the subject temperature and the tuning parameters is calculated. Then, from the vector sum, the actual temperature of the object is determined, i.e., the actual temperature ═ the infrared sensor measured temperature + the adjustment parameter.
Optionally, in the process of determining the actual temperature of the object according to the vector sum, it may be detected whether the vector sum is within a normal temperature range, and if the vector sum is within the normal temperature range, the vector sum is used as the adjusted actual temperature. If the temperature is not within the normal temperature range, the temperature is measured again, and secondary calculation and adjustment are carried out.
In an embodiment of the application, after the process of determining the actual temperature of the object according to the temperature of the object and the adjustment parameter in step S130, it may further be detected whether the actual temperature is within a normal range, that is, whether the actual temperature is higher than the temperature threshold, and if the actual temperature is higher than the temperature threshold, a prompt message is generated, or the test is performed again.
Embodiments of the apparatus of the present application are described below that can be used to perform the color-based temperature measurement methods of the above-described embodiments of the present application. It will be appreciated that the apparatus may be a computer program (comprising program code) running on a computer device, for example an application software; the apparatus may be used to perform the corresponding steps in the methods provided by the embodiments of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the color-based temperature measurement method described above in the present application.
FIG. 2 shows a block diagram of a color based temperature measurement device according to one embodiment of the present application.
Referring to fig. 2, a color based temperature measurement device 200 according to an embodiment of the present application includes: an acquisition unit 210 for acquiring color data of an object and an object temperature; a parameter unit 220, configured to determine, according to the color data, an adjustment parameter corresponding to the color of the object; a determining unit 230, configured to determine an actual temperature of the object according to the temperature of the object and the adjustment parameter.
In some embodiments of the present application, based on the foregoing scheme, the parameter unit 220 includes: a coefficient unit determining a color coefficient according to a quotient between the color data and a preset color parameter; and the parameter unit is used for determining the adjustment parameters corresponding to the colors based on the color coefficients.
In some embodiments of the present application, based on the foregoing scheme, the parameter unit 220 includes: the correlation coefficient unit is used for determining a correlation coefficient corresponding to the object temperature according to the corresponding relation between the object temperature and the correlation coefficient; and the adjusting parameter unit is used for determining the adjusting parameter corresponding to the color based on the correlation coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing scheme, the adjustment parameter unit is configured to: calculating a product between the correlation coefficient and the color coefficient; and determining an adjusting parameter corresponding to the color according to the product of the correlation coefficient and the color coefficient.
In some embodiments of the present application, based on the foregoing scheme, the adjustment parameter is a vector; the determining unit 230 includes: a calculation unit for calculating a vector sum between the subject temperature and the adjustment parameter; and the vector unit is used for determining the actual temperature of the object according to the vector sum.
In some embodiments of the present application, based on the foregoing solution, the obtaining unit 210 includes: a first acquisition unit configured to acquire color data of the object by a color recognition sensor; a first acquisition unit for acquiring the temperature of the object by a temperature sensor.
In some embodiments of the present application, based on the foregoing solution, the color-based temperature measuring device 200 further comprises: and if the actual temperature is higher than the temperature threshold value, generating reminding information.
As another aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by an electronic device, cause the electronic device to implement the method described in the above embodiments.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which can be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiments of the present application.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A color-based temperature measurement method, comprising:
acquiring color data of an object and an object temperature;
determining an adjustment parameter corresponding to the color of the object according to the color data;
and determining the actual temperature of the object according to the temperature of the object and the adjusting parameter.
2. The method of claim 1, wherein determining an adjustment parameter corresponding to the color of the object according to the color data comprises:
determining a color coefficient according to a quotient between the color data and a preset color parameter;
and determining an adjusting parameter corresponding to the color based on the color coefficient.
3. The method of claim 2, wherein determining the adjustment parameter corresponding to the color based on the color coefficient comprises:
determining a correlation coefficient corresponding to the object temperature according to the corresponding relation between the object temperature and the correlation coefficient;
and determining an adjusting parameter corresponding to the color based on the association coefficient and the color coefficient.
4. The method of claim 3, wherein determining the adjustment parameter corresponding to the color based on the correlation coefficient and the color coefficient comprises:
calculating a product between the correlation coefficient and the color coefficient;
and determining an adjusting parameter corresponding to the color according to the product of the correlation coefficient and the color coefficient.
5. The method of claim 1, wherein the adjustment parameter is a vector;
determining an actual temperature of the object according to the object temperature and the adjustment parameter, including:
calculating a vector sum between the subject temperature and the adjustment parameter;
and determining the actual temperature of the object according to the vector sum.
6. The method of claim 1, wherein obtaining color data of the object and the temperature of the object comprises:
acquiring color data of the object through a color recognition sensor;
and acquiring the temperature of the object through a temperature sensor.
7. The method of claim 1, further comprising:
and if the actual temperature is higher than the temperature threshold value, generating reminding information.
8. A color-based temperature measurement device, comprising:
an acquisition unit configured to acquire color data of an object and an object temperature;
the parameter unit is used for determining an adjustment parameter corresponding to the color of the object according to the color data;
and the determining unit is used for determining the actual temperature of the object according to the temperature of the object and the adjusting parameter.
9. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the temperature measurement method according to any one of claims 1 to 7.
10. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to carry out the temperature measurement method of any one of claims 1 to 7.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125181A (en) * | 2015-09-23 | 2015-12-09 | 广东小天才科技有限公司 | Method and device for measuring body temperature of user |
| CN106644102A (en) * | 2017-01-17 | 2017-05-10 | 浙江大学 | Method for measuring temperature of hydrocarbon flame based on colored CCD camera |
| CN109580006A (en) * | 2018-12-29 | 2019-04-05 | 东莞市振海电子科技有限公司 | A method of improving measurement of bldy temperature precision |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125181A (en) * | 2015-09-23 | 2015-12-09 | 广东小天才科技有限公司 | Method and device for measuring body temperature of user |
| CN106644102A (en) * | 2017-01-17 | 2017-05-10 | 浙江大学 | Method for measuring temperature of hydrocarbon flame based on colored CCD camera |
| CN109580006A (en) * | 2018-12-29 | 2019-04-05 | 东莞市振海电子科技有限公司 | A method of improving measurement of bldy temperature precision |
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