CN109580006A - A method of improving measurement of bldy temperature precision - Google Patents
A method of improving measurement of bldy temperature precision Download PDFInfo
- Publication number
- CN109580006A CN109580006A CN201811633062.0A CN201811633062A CN109580006A CN 109580006 A CN109580006 A CN 109580006A CN 201811633062 A CN201811633062 A CN 201811633062A CN 109580006 A CN109580006 A CN 109580006A
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- infrared signal
- skin
- emissivity
- signal value
- calibration
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- 238000005259 measurement Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000036760 body temperature Effects 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 210000003491 skin Anatomy 0.000 abstract description 43
- 210000002615 epidermis Anatomy 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Classifications
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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
-
- 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
- G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
-
- 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
- G01J5/80—Calibration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The present invention discloses a kind of method for improving measurement of bldy temperature precision, and include Step 1: acquisition infrared signal: infrared measurement of temperature unit obtains the infrared signal that thermometric area skin issues with the reference emission rate set, obtains infrared signal value；Step 2: acquisition skin image: obtaining thermometric area skin image, thermometric area skin image at least feeds back this two information of skin color, skin surface moisture；It is calculated according to the skin color of feedback, skin surface moisture this two information analyses, obtains the emissivity on thermometric area skin surface, be defined as calibration emissivity；Step 3: infrared signal is calibrated: according to infrared signal value obtained by calibration emissivity and step 1, calculating the infrared signal value after being calibrated；Step 4: true body temperature conversion: according to the infrared signal value after calibration, conversion obtains true body temperature；In this way, effectively increasing measurement precision to obtain the true temperature value of epidermis surface, the body temperature value for being more nearly the true body temperature of measurand can be obtained.
Description
Technical field
The present invention relates to measurement of bldy temperature field technologies, refer in particular to a kind of method for improving measurement of bldy temperature precision.
Background technique
Traditional infrared radiation thermometer is for different colour of skin crowds；In fact, in addition to black matrix is a kind of Utopian spoke
Beam, it absorbs the radiation energy of all wavelengths, the not reflection and transmission of energy, and the emissivity on surface is 1, nature
Present in actual object, be not nearly all black matrix, human body is no exception.Human body complexion substantially has black, brown, yellow, white
Color etc., the different colours of skin, the emissivity of skin surface is different, the emissivity of human body complexion zero and the numerical value less than 1 it
Between；Therefore, traditional infrared radiation thermometer carries out measurement of bldy temperature to different colour of skin users, and measurement accuracy is not good enough.
Later, someone had studied the picture according to detected part, to identify skin condition, such as: colour of skin etc., it is red to correct
The original temperature that outer thermometric distance measuring sensor is surveyed, this kind of measurement method consider skin different parts to a certain extent
And skin condition, still, measurement accuracy is still limited to.
Therefore, in the present invention, applicant has studied intensively a kind of new technical solution to solve the above problems.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of surveys of raising body temperature
The method for measuring precision, effectively increases measurement precision, can obtain the body temperature for being more nearly the true body temperature of measurand
Value.
To achieve the above object, the present invention is using following technical solution:
A method of measurement of bldy temperature precision is improved, includes
Step 1: acquisition infrared signal: infrared measurement of temperature unit obtains what thermometric area skin issued with the reference emission rate set
Infrared signal obtains infrared signal value；
Step 2: acquisition skin image: obtaining thermometric area skin image, thermometric area skin image at least feeds back skin face
This two information of color, skin surface moisture；It is calculated according to the skin color of feedback, skin surface moisture this two information analyses,
The emissivity for obtaining thermometric area skin surface is defined as calibration emissivity；
Step 3: infrared signal is calibrated: according to infrared signal value obtained by calibration emissivity and step 1, after calculating is calibrated
Infrared signal value；
Step 4: true body temperature conversion: according to the infrared signal value after calibration, conversion obtains true body temperature.
As a preferred embodiment, the acquisition infrared signal, acquisition two steps of skin image can be arbitrarily successively or same
Shi Jinhang.
As a preferred embodiment, the reference emission rate is the numerical value greater than 0 and less than or equal to 1.
As a preferred embodiment, in step 2, skin image is acquired using camera.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
It is found that it, which mainly passes through first, obtains the infrared signal value that thermometric area skin issues with the reference emission rate set, and, it adopts
Collect skin image and calculates acquisition calibration emissivity, it is infrared after being calibrated to calculate in conjunction with calibration emissivity and infrared signal value
Signal value, then true body temperature is obtained to convert with the infrared signal value after calibrating, thus, effectively increase measurement precision, energy
It is enough to obtain the true temperature value of epidermis surface for being more nearly measurand.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the flow diagram of the temp measuring method of embodiments of the present invention.
Specific embodiment
It please refers to shown in Fig. 1, that show the specific structures of embodiments of the present invention.
A method of measurement of bldy temperature precision is improved, includes
Step 1: acquisition infrared signal: infrared measurement of temperature unit obtains what thermometric area skin issued with the reference emission rate set
Infrared signal obtains infrared signal value；The reference emission rate is typically greater than 0 and is less than or equal to 1 any setting numerical value；
Step 2: acquisition skin image: obtaining thermometric area skin image, thermometric area skin image at least feeds back skin face
This two information of color, skin surface moisture；It is calculated according to the skin color of feedback, skin surface moisture this two information analyses,
The emissivity for obtaining thermometric area skin surface is defined as calibration emissivity；In general, being to acquire skin image using camera；
Step 3: infrared signal is calibrated: according to infrared signal value obtained by calibration emissivity and step 1, after calculating is calibrated
Infrared signal value；
Step 4: true body temperature conversion: according to the infrared signal value after calibration, conversion obtains true body temperature.
Wherein, the acquisition infrared signal, acquisition two steps of skin image arbitrarily can be carried out simultaneously or successively.
Design focal point of the invention is, mainly passes through first and obtains thermometric area skin with the reference emission rate set
The infrared signal value of sending, and, acquisition skin image, which calculates, obtains calibration emissivity, in conjunction with calibration emissivity and infrared signal
Value obtains true body temperature to calculate the infrared signal value after being calibrated, then with the infrared signal value after calibrating to convert, thus,
Measurement precision is effectively increased, the true temperature value of epidermis surface for being more nearly measurand can be obtained.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (4)
1. a kind of method for improving measurement of bldy temperature precision, it is characterised in that: include
Step 1: acquisition infrared signal: infrared measurement of temperature unit obtains what thermometric area skin issued with the reference emission rate set
Infrared signal obtains infrared signal value；
Step 2: acquisition skin image: obtaining thermometric area skin image, thermometric area skin image at least feeds back skin face
This two information of color, skin surface moisture；It is calculated according to the skin color of feedback, skin surface moisture this two information analyses,
The emissivity for obtaining thermometric area skin surface is defined as calibration emissivity；
Step 3: infrared signal is calibrated: according to infrared signal value obtained by calibration emissivity and step 1, after calculating is calibrated
Infrared signal value；
Step 4: true body temperature conversion: according to the infrared signal value after calibration, conversion obtains true body temperature.
2. a kind of method for improving measurement of bldy temperature precision according to claim 1, it is characterised in that: the acquisition is infrared
Signal, acquisition two steps of skin image arbitrarily can be carried out simultaneously or successively.
3. a kind of method for improving measurement of bldy temperature precision according to claim 1, it is characterised in that: the reference emission
Rate is the numerical value greater than 0 and less than or equal to 1.
4. a kind of method for improving measurement of bldy temperature precision according to claim 1, it is characterised in that: in step 2, benefit
Skin image is acquired with camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633062.0A CN109580006A (en) | 2018-12-29 | 2018-12-29 | A method of improving measurement of bldy temperature precision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633062.0A CN109580006A (en) | 2018-12-29 | 2018-12-29 | A method of improving measurement of bldy temperature precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109580006A true CN109580006A (en) | 2019-04-05 |
Family
ID=65932359
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| CN201811633062.0A Pending CN109580006A (en) | 2018-12-29 | 2018-12-29 | A method of improving measurement of bldy temperature precision |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926617A (en) * | 2019-11-29 | 2020-03-27 | 中国科学院微电子研究所 | Vacuum temperature field measuring device and method |
| CN111579119A (en) * | 2020-04-22 | 2020-08-25 | 深圳市优必选科技股份有限公司 | Temperature measurement method and device, computer readable storage medium and robot |
| CN111795747A (en) * | 2020-06-24 | 2020-10-20 | 深圳乐普智能医疗器械有限公司 | Color-based temperature measurement method, device, medium, and electronic apparatus |
| CN111803039A (en) * | 2020-06-24 | 2020-10-23 | 深圳乐普智能医疗器械有限公司 | Body temperature measuring method and device, computer readable medium and electronic equipment |
| CN112710400A (en) * | 2020-12-23 | 2021-04-27 | Oppo（重庆）智能科技有限公司 | Temperature measuring method and device, storage medium and electronic equipment |
| CN113551786A (en) * | 2021-07-21 | 2021-10-26 | 昆明北方红外技术股份有限公司 | Infrared human body temperature measurement method and device based on double blackbodies |
| WO2021257211A1 (en) * | 2020-06-17 | 2021-12-23 | Microsoft Technology Licensing, Llc | Skin tone correction for body temperature estimation |
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| JP2010240094A (en) * | 2009-04-03 | 2010-10-28 | Toyota Motor Corp | Apparatus for estimating state under influence of alcohol |
| 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 |
| CN108344525A (en) * | 2018-02-09 | 2018-07-31 | 英华达（上海）科技有限公司 | Adaptive body temperature monitoring method and system |
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2018
- 2018-12-29 CN CN201811633062.0A patent/CN109580006A/en active Pending
Patent Citations (3)
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| JP2010240094A (en) * | 2009-04-03 | 2010-10-28 | Toyota Motor Corp | Apparatus for estimating state under influence of alcohol |
| 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 |
| CN108344525A (en) * | 2018-02-09 | 2018-07-31 | 英华达（上海）科技有限公司 | Adaptive body temperature monitoring method and system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926617A (en) * | 2019-11-29 | 2020-03-27 | 中国科学院微电子研究所 | Vacuum temperature field measuring device and method |
| CN110926617B (en) * | 2019-11-29 | 2021-04-13 | 中国科学院微电子研究所 | Vacuum temperature field measuring device and method |
| CN111579119A (en) * | 2020-04-22 | 2020-08-25 | 深圳市优必选科技股份有限公司 | Temperature measurement method and device, computer readable storage medium and robot |
| WO2021257211A1 (en) * | 2020-06-17 | 2021-12-23 | Microsoft Technology Licensing, Llc | Skin tone correction for body temperature estimation |
| US11715326B2 (en) | 2020-06-17 | 2023-08-01 | Microsoft Technology Licensing, Llc | Skin tone correction for body temperature estimation |
| CN111795747A (en) * | 2020-06-24 | 2020-10-20 | 深圳乐普智能医疗器械有限公司 | Color-based temperature measurement method, device, medium, and electronic apparatus |
| CN111803039A (en) * | 2020-06-24 | 2020-10-23 | 深圳乐普智能医疗器械有限公司 | Body temperature measuring method and device, computer readable medium and electronic equipment |
| CN112710400A (en) * | 2020-12-23 | 2021-04-27 | Oppo（重庆）智能科技有限公司 | Temperature measuring method and device, storage medium and electronic equipment |
| CN113551786A (en) * | 2021-07-21 | 2021-10-26 | 昆明北方红外技术股份有限公司 | Infrared human body temperature measurement method and device based on double blackbodies |
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Application publication date: 20190405 |