CN106371126A - Smart phone's image sensor based radiation dose monitoring system and monitoring method - Google Patents
Smart phone's image sensor based radiation dose monitoring system and monitoring method Download PDFInfo
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- CN106371126A CN106371126A CN201610671130.7A CN201610671130A CN106371126A CN 106371126 A CN106371126 A CN 106371126A CN 201610671130 A CN201610671130 A CN 201610671130A CN 106371126 A CN106371126 A CN 106371126A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
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Abstract
The invention discloses a smart phone's image sensor based radiation dose monitoring system and monitoring method. According to the method, the camera of the smart phone is used as a radiation probing device. Through designs and development, a corresponding smart phone application is provided to process signals so that real time monitoring can be available to radiation doses. The working principle of the invention lies in that the CMOS (Complementary Metal Oxide Semiconductor) image sensor is sensitive to radiation. More technically, under dark conditions, when radiation particles (such as gamma-rays, electrons, and etc.) enter the CMOS image sensor, the dark current rises in accordance to the increase in radiation intensity. The system of the invention is capable of reading, analyzing and calculating dark current so as to convert it into radiation dose data. Compared with the prior art, the system of the invention does not require the installation of an extra probing device, nor the rise in the cost of the smart phone. Instead, the universality, portability and data processing ability as well as transmission ability of the smart phone are fully utilized, making the system cost-effective, widely applicable and portable.
Description
Technical field
The present invention relates to belonging to radiation protection field and in particular to a kind of radiation agent based on mobile phone images themselves sensor
Amount monitoring system and monitoring method.
Background technology
Personal dose is by radioactive dose assessment, carries out the key index of nuclear emergency treatment.Comparative maturity has at present
Thermoluminescent personal dosimeter and novel semi-conductor radiacmeter.Thermoluminescent personal dosimeter wears inconvenience, is only applicable to radiation protection
Practitioner；Novel semi-conductor radiacmeter high cost is it is difficult to large-scale promotion.
According to Ministry of Industry and Information's statistics, by the end of in March, 2015, China mobile user has reached 12.86 hundred million, popularity rate 94.5/hundred
People.Mobile phone is applied to Radiation monitoring field by domestic existing patent report, and Zhejiang core monitors the patent " of Science and Technology Ltd.
Kind can be used for the mobile phone of radiation dose monitoring " in (application number cn201220512687), described mobile phone is separated with radiation detector,
By bluetooth, the monitoring signals of detector are passed to the display portion in mobile phone.Patent " the radioactivity spoke of group of Chinese China Hualu Group Co.Ltd
Penetrate monitoring mobile phone " Geiger tube enumerator is incorporated into as radiation detector in mobile phone in (application number cn201020554978),
Increased mobile phone cost.
And cmos imageing sensor has obtained related application at aspects such as radiant image, actinometries at present, its correlometer
Calculation method also possesses some special knowledge.Therefore, if choosing the radio-sensitive element of mobile phone itself as detecting element, realize personal dose
Meter monitoring, need not additionally install detector, also will not additionally increase mobile phone cost, become large-scale promotion real-time radiation dosage
The desirable route of monitoring.
Content of the invention
It is an object of the invention to provide a kind of radiation dose monitoring system based on mobile phone images themselves sensor and monitoring
Method, it installs detector without extra, increases mobile phone cost, suitable large-scale promotion real-time radiation dosage prison without extra
Survey.
The technical solution used in the present invention is: a kind of radiation dose monitoring system based on mobile phone images themselves sensor,
Described system includes mobile phone images themselves sensor and radiation dose analysis cell phone software, using mobile phone images themselves sensor
Under lucifuge treatment conditions, when cmos receives radiating particle irradiation it may occur that instantaneous ionisation effect, dark current and image noise
Can increase therewith, and proportional with radiant intensity, and radiation dose analysis cell phone software is to cmos imageing sensor dark current
Change carry out calculate analysis, radiation image information is converted to data message simultaneously, finally by obtain Dose Results output
To mobile phone display module.
Wherein, radiating particle is gamma-rays or electronics.
Wherein, mobile phone images themselves sensor is mobile phone itself photographic head.
Wherein, Dose Results also can be transferred in other mobile terminals or radiation commander by the output system of mobile phone
The heart, the later stage also can be blended with gps/ dipper system, mobile network, and very short time draws out area radiation map.
The present invention additionally provides a kind of radiation dose monitoring method based on mobile phone images themselves sensor, using above-mentioned
A kind of radiation dose monitoring system based on mobile phone images themselves sensor, described monitoring method is passed through to design and develop accordingly
Radiation dose analysis cell phone software is analyzed to the change of mobile phone itself cmos imageing sensor dark current, completes to radiate simultaneously
Image information is to the conversion of data message, the radiation dose drawing in real time or accumulating；Its presentation mode is close rate numeral, figure
Piece, sound etc. depending on/listen class to show body；The a large amount of real time datas monitoring can be transferred in radiation commander by data output system
The heart, the later stage can be blended with gps/ dipper system, mobile network, draws out area radiation map in very short time；Test is accurately
Degree can improve by by model machine or using carrying out calibration in Standard Ratio field with the mobile phone of money cmos.
The principle of the present invention is:
Using mobile phone itself photographic head as radiation detector, its principle is: under lucifuge treatment conditions, when cmos receive
During to radiating particle (as gamma-rays, electronics etc.) irradiation, dark current increases therewith, and proportional with radiant intensity.Exploitation
Corresponding cell phone software the change of cmos imageing sensor dark current is carried out calculate analysis, simultaneously by radiation image information change
For data message, finally the Dose Results of acquisition are exported mobile phone display module.In addition, result also can pass through mobile phone
Output system be transferred to other mobile terminals or radiation command centre, the later stage also can be with gps/ dipper system, mobile network
Blend, very short time draws out area radiation map.In order to calibrate raising precision, heretofore described radiation dose monitoring
System can using in Standard Ratio field through the same a series of mobile phone of calibration or possess with a photographic head of calibrating
Different series mobile phone.
Compared with prior art, system disclosed by the invention has the advantage that
(1). it is used mobile phone itself element as radiation detector, both detector need not be additionally installed, and also additionally not increase
Mobile phone cost；
(2). take full advantage of popularization, the portability data disposal ability of mobile phone, low cost, being easy to carry can be real
The extensive real-time monitoring of existing personal dose.
Brief description
Fig. 1 is the signal processing flow sketch of cellular radiation system of the present invention.
Fig. 2 is software measuring method flow process.
Fig. 3 is display renderings.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrating technical scheme.
As shown in figure 1, this cellular radiation monitoring system includes common smart mobile phone calculates software with corresponding radiant quantity.
It is further characterized in that mobile phone camera adopts cmos imageing sensor, and the type of photographic head should be in the acceptance of the bid of Standard Ratio field
The series determined.Module shown in Fig. 1 is the module that general intelligence mobile phone possesses itself, need not additionally add or special fixed
System.
, in its mobile phone camera, employ cmos imageing sensor, its model machine photographic head is in standard taking iphone6 as a example
Through demarcating calibration in radiation field, produce corresponding standard curve.The specifically used method of user is as follows:
After user's starting hand-set, start cell phone software either manually or by task scheduling, software can first read mobile phone model
With corresponding configuration file, then corresponding function is opened according to configuration file.Meanwhile, block cell-phone camera with shade
Head is so as to be under lucifuge state, cell phone software can automatically analyze imageing sensor and dark current is detected to obtain, and calculates corresponding
Radiation dose, mobile phone display screen in real time by radiation dose monitoring data display out can provide the user real-time dose value, and
And be compared with secure reference value, to point out user's local environment whether safety.User can preserve, delete according to oneself demand
Remove or pass through data output system transmission data.These data can carry out data by gps/ Beidou satellite system and pass in real time
Defeated, depict local radiation field.
As shown in Fig. 2 the handling process of this cellular radiation Rapid Dose Calculation software.Its feature is as follows: software is first turned on taking the photograph
As head, setting photographic head parameter (time of exposure, video capture mode), obtain video, process each two field picture pixel signal
It is translated into grey scale signal value, judge that pixel gray level signal is radiation information according to the threshold signal of setting, such as
Fruit is that this pixel signal record gets off, and obtains the number of pixels being recorded of whole image successively；According in radiation field mark
Fixed calibration factor (transformational relation of counting rate and dosage) calculates present dose value, and result of calculation is shown in as Fig. 3
On display screen.
The foregoing is only one of specific embodiment of the present invention, but the scope of protection of the invention be not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the design according to the present invention and technical side
Case equivalent or change in addition, all should be included within the scope of the present invention.
Claims (5)
1. a kind of radiation dose monitoring system based on mobile phone images themselves sensor it is characterised in that: described system includes
Mobile phone images themselves sensor and radiation dose analysis cell phone software, using mobile phone images themselves sensor as radiation detection
Device, under lucifuge treatment conditions, when cmos receives radiating particle irradiation it may occur that instantaneous ionisation effect, dark current and image
Noise can increase therewith, and proportional with radiant intensity, and radiation dose analysis cell phone software is dark to cmos imageing sensor
The change of electric current carries out calculating analysis, radiation image information is converted to data message simultaneously, the Dose Results that finally will obtain
Export mobile phone display module.
2. a kind of radiation dose monitoring system based on mobile phone images themselves sensor according to claim 1, its feature
It is: radiating particle is gamma-rays or electronics.
3. a kind of radiation dose monitoring system based on mobile phone images themselves sensor according to claim 1, its feature
It is: mobile phone images themselves sensor is mobile phone itself photographic head.
4. a kind of radiation dose monitoring system based on mobile phone images themselves sensor according to claim 1, its feature
It is: Dose Results also can be transferred to other mobile terminals or radiation command centre, later stage by the output system of mobile phone
Can blend with gps/ dipper system, mobile network, very short time draws out area radiation map.
5. a kind of radiation dose monitoring method based on mobile phone images themselves sensor, using one kind as claimed in claim 1
Radiation dose monitoring system based on mobile phone images themselves sensor it is characterised in that: described monitoring method is passed through to design and open
Analysis cell phone software is analyzed to the change of mobile phone itself cmos imageing sensor dark current, simultaneously to send out radiation dose corresponding
Complete the conversion to data message for the radiation image information, the radiation dose drawing in real time or accumulating；Its presentation mode is close rate
Numeral, picture, sound etc. depending on/listen class to show body；The a large amount of real time datas monitoring can be transferred to radiation by data output system
Command centre, the later stage can be blended with gps/ dipper system, mobile network, draws out area radiation map in very short time；Survey
Examination accuracy can improve by by model machine or using carrying out calibration in Standard Ratio field with the mobile phone of money cmos.
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| CN201610671130.7A CN106371126A (en) | 2016-08-15 | 2016-08-15 | Smart phone's image sensor based radiation dose monitoring system and monitoring method |
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| CN201610671130.7A CN106371126A (en) | 2016-08-15 | 2016-08-15 | Smart phone's image sensor based radiation dose monitoring system and monitoring method |
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Cited By (6)
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|---|---|---|---|---|
| CN108089219A (en) * | 2017-11-08 | 2018-05-29 | 西北核技术研究所 | Ray radiation field dose rate measuring device and measuring method |
| CN108931804A (en) * | 2017-05-25 | 2018-12-04 | 中国辐射防护研究院 | A kind of individual's radiation dose monitoring system and monitoring method |
| CN108957514A (en) * | 2018-05-21 | 2018-12-07 | 北京科技大学 | A kind of nuclear radiation detection method |
| CN110231642A (en) * | 2019-06-27 | 2019-09-13 | 南华大学 | A kind of method, apparatus and robot constructing radiation field map |
| CN113138405A (en) * | 2021-04-02 | 2021-07-20 | 中国舰船研究设计中心 | Personal dosage monitoring and management system and method for ship |
| CN115793016A (en) * | 2023-02-07 | 2023-03-14 | 江苏超敏科技有限公司 | Radiation monitoring system and radiation monitoring method based on visible light sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108931804A (en) * | 2017-05-25 | 2018-12-04 | 中国辐射防护研究院 | A kind of individual's radiation dose monitoring system and monitoring method |
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| CN115793016A (en) * | 2023-02-07 | 2023-03-14 | 江苏超敏科技有限公司 | Radiation monitoring system and radiation monitoring method based on visible light sensor |
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