CN110491066A - Forest fire protection monitoring and warning system based on infrared thermal imaging - Google Patents
Forest fire protection monitoring and warning system based on infrared thermal imaging Download PDFInfo
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- CN110491066A CN110491066A CN201910775899.7A CN201910775899A CN110491066A CN 110491066 A CN110491066 A CN 110491066A CN 201910775899 A CN201910775899 A CN 201910775899A CN 110491066 A CN110491066 A CN 110491066A
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- 238000001931 thermography Methods 0.000 title claims abstract description 68
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Abstract
The forest fire protection monitoring and warning system based on infrared thermal imaging that the present invention relates to a kind of, including the double spectrum cameras of several thermal imagings, Alarm Server and alarm client, the double spectrum cameras of the thermal imaging include the thermal infrared imaging camera and visible light camera of integrated setting.The Alarm Server includes the data acquisition module being sequentially connected, characteristic extracting module and alert service module.The present invention judges that temperature anomaly fluctuates according to the temperature data of the double spectrum camera acquisitions of thermal imaging, is fluctuated according to temperature anomaly and issues warning note, improves the accuracy of fire behavior identification alarm.Meanwhile the present invention, in the visible light video image in alarm client display monitoring region, when fire behavior occurs, staff can check the visible light video image in monitoring region in time, understand the fire condition in monitoring region.It solves traditional forest fire protection warning monitoring system to be only capable of seeing the hot outline of people or object by infrared image, it is difficult to the problem of accurate fire condition.
Description
Technical field
The present invention relates to forest fire protection monitoring field more particularly to a kind of forest fire protection monitoring based on infrared thermal imaging are pre-
Alert system.
Background technique
Forest fire is the most dangerous enemy of forest and the most fearful disaster of forestry, it can come to forest region it is most harmful,
Most destructive consequence.Sheet of forest is not only burnt in forest fire, injures the animal in woods, but also reduce forest
Fertility causes the barren of soil and destroys the effect of forest water conservation, results even in ecological environment disequilibrium.To the greatest extent
The science of the pipe world today is advancing with rapid changepl. never-ending changes and improvementsly, and still, the mankind but still not yet obtain in uniform forest fire
Permanent progress.
Currently, mainly having for the mode of forest fire protection early warning and monitoring in the market, the monitoring of, observation tower is patrolled on ground, aviation is patrolled
Shield and satellite remote sensing etc..
Wherein, the main task that ground is patrolled is to spread propaganda among the masses, and controls artificial fire source, enter deeply observation tower observation dead angle into
Row patrol.To dealing personnel and vehicle, field production and life are checked and are supervised with fire.Existing deficiency is to patrol area
It is small, when having tunnel vision, determining fire location, often there is large error because terrain is rugged, the forest is dense；Traffic not
Just, meagrely-populated remote mountain areas can not carry out ground and patrol, and need to use various traffic fares and personnel's cost of labor, only
It can be made up with video monitoring method.
Aviation is patrolled, and is to utilize the detection for patrolling aircraft progress forest fires.Its advantages be patrol the visual field is wide, mobility is big,
Speed is fast simultaneously to around the scene of a fire and developing fire can accomplish complete observation, can adopt an effective measure in time.But there is also not
Foot: fixed flight is costly, and flight cost is high.Night, strong wind weather, cloudy visibility are difficult to take off when lower, patrol simultaneously
Depending on being limited by course line, time, and range of observation is small, can only observe once a day a certain forest zone.If missing sight
Opportunity is examined, the forest fire on the same day does not just observe, and is easy to lead to terrible disaster, this just needs to make up it with fixed point video surveillance not
Foot.
And when carrying out forest fire protection early warning and monitoring using satellite remote sensing, since satellite is far from earth surface and fire behavior generating region
Domain judges that the accuracy rate of fire behavior is lower using satellite sensor (such as NOAA-AVHRR sensor) acquisition image data, needs
It spends a large amount of human and material resources, financial resources to carry out fire behavior verification, causes the waste of resource.
Because all there are some defects in the discovery and early warning of forest fires in the mode of above-mentioned forest fire protection early warning and monitoring, because
This, has forest zone to attempt to realize the early warning within the scope of large space to forest fires using uncooled ir hygrosensor at present.It utilizes
Infrared temperature sensor automatically carries out continual, 24 hours real-time measurements to the body surface temperature in monitored region.
But in practical applications, there is also following problems for this technological means: 1) since the infrared energy that object issues reaches
It will receive the influence for the factor that distance, air humidity, atmospheric transmissivity etc. can not determine in advance when infrared temperature sensor, and produce
Raw uncertain energy loss.So in monitoring range, it is difficult to determine the alarm temperature at different distance, under the conditions of different humidity
Degree.If alarm temperature is arranged lower, rate of false alarm will increase；If alarm temperature is arranged higher, easily leads to fire behavior and fail to report.
2) it is only capable of seeing the hot outline of people or object by infrared image, the true colors of object can not be seen clearly, so that infrared thermal imaging
Camera lacks details resolution capability, if there is fire, is difficult to be expressly understood that the fire condition in monitoring region by infrared image.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of forest fire protection prison based on infrared thermal imaging
Detection early warning system and system solve traditional forest fire protection warning monitoring system based on infrared temperature sensor, alarm temperature threshold
Value is arranged the improper fire behavior that will cause and fails to report or report by mistake, and is only capable of seeing the hot outline of people or object by infrared image, it is difficult to
The problem of being expressly understood that the fire condition in monitoring region.
The technical scheme to solve the above technical problems is that
The present invention provides a kind of forest fire protection monitoring and warning system based on infrared thermal imaging, including the double light of several thermal imagings
Video camera, Alarm Server and alarm client are composed, one end and the double spectrum cameras of thermal imaging of the Alarm Server pass through
Network connection, the other end connect the alarm client；
The double spectrum cameras of the thermal imaging include that the thermal infrared imaging camera of integrated setting and visible light are taken the photograph
Camera, the double spectrum cameras of the thermal imaging are used to obtain the temperature data and video image data in monitoring region；Wherein, described
Video image data includes visible light video image data and Infrared video image data.
The Alarm Server includes the data acquisition module being sequentially connected, characteristic extracting module and alert service module；
The data acquisition module is used to acquire the temperature data and video image data from the double spectrum cameras of thermal imaging, by institute
It states temperature data and is transmitted to characteristic extracting module, and the video image data is transmitted to alarm client, for alarm visitor
The video image in family end display monitoring region；The characteristic extracting module is used to extract the temperature wave in monitoring region from temperature data
Dynamic feature, if knowing that temperature anomaly fluctuation, output temperature unusual fluctuations occur for monitoring region according to the judgement of temperature fluctuation feature
Information is to alert service module；The alert service module issues alarm according to temperature anomaly fluctuation information, to alarm client
Prompt.
The beneficial effects of the present invention are: the present invention judges temperature according to the temperature data that the double spectrum cameras of thermal imaging acquire
Unusual fluctuations are fluctuated according to temperature anomaly and issue warning note.Compared with prior art, the present invention is not required to setting alarm temperature threshold
Value, but the generation of fire behavior is judged by temperature anomaly fluctuation, solve the alarm of traditional forest fire protection warning monitoring system
Improper the problem of easily causing fire behavior to fail to report or report by mistake is arranged in temperature threshold.The present invention will be seen that light video image data and infrared view
Frequency image data is transmitted to alarm client, the visible light video image and infrared video in alarm client display monitoring region
Image, when fire behavior occurs, staff can check the visible light video image in monitoring region by client of alarming, thus
The accurate fire condition for understanding monitoring region.It solves traditional forest fire protection warning monitoring system to be only capable of seeing by infrared image
The hot outline of people or object, it is difficult to the problem of being expressly understood that the fire condition in monitoring region.
Further, the thermal infrared imaging camera includes thermal infrared imager, and the thermal infrared imager is used for monitoring section
The testee in domain carries out radiation detection, converts radiant energy into as the electric signal directly proportional to radiation energy, and then will be described
Electric signal is converted into the temperature data of testee；The thermal infrared imager is also used to the infrared energy for issuing testee
It is converted into thermal-induced imagery.
Further, the characteristic extracting module is specifically used for:
The temperature fluctuation feature in monitoring region is extracted from temperature data, if if the temperature fluctuation feature in the monitoring region
Showing as temperature is consecutive variations, then determines that there is no the unusual fluctuations of temperature；If the temperature in monitoring region is known in judgement
If fluctuation characteristic shows as temperature jump, determine to monitor the unusual fluctuations that temperature has occurred in region, and output temperature extraordinary wave
Information is moved to alert service module.
Further, the forest fire protection monitoring and warning system further includes characteristics analysis module；
The characteristics analysis module is separately connected the characteristic extracting module and alert service module, the signature analysis mould
Block for from characteristic extracting module obtain monitoring region temperature fluctuation feature, judge monitor region currently detection the moment with
Whether the temperature fluctuation feature at a upper detection moment has similitude, if the temperature fluctuation feature at two detection moment is dissimilar,
Then characteristics analysis module judges in the dissimilar corresponding region of temperature fluctuation feature whether the heat radiation of testee is non-forest fires
Class heat radiation；
If judgement knows that the heat radiation of testee is not non-forest fires class heat radiation, warning message is exported to alert service
Module, so that alert service module issues warning note to client of alarming.
Further, the characteristics analysis module judges in the region of temperature fluctuation feature dissmilarity, the hot spoke of testee
Whether be non-forest fires class heat radiation, specifically include if penetrating:
Whether the heat radiation that testee is judged by the spatial position of testee is non-forest fires class radiation；Alternatively,
Whether the heat radiation that testee is judged by the terrain type of testee affiliated area is non-forest fires class radiation.
Further, the characteristics analysis module judges in the region of temperature fluctuation feature dissmilarity, the hot spoke of testee
Whether penetrate is non-forest fires class heat radiation, further includes:
Characteristics analysis module is by pre-stored sample in the temperature fluctuation feature of testee and sample fluctuation database
Feature is compared, and judges whether the heat radiation of testee is non-forest fires class heat radiation；Wherein, the sample fluctuation database
In be stored with the corresponding temperature fluctuation feature of all kinds of geographical features.
Further, the thermal infrared imaging camera is identical with the visual field of visible light camera.
Further, the double spectrum cameras of the thermal imaging connect network, the report by first network telecommunication transmission equipment
Alert server connects network by the second network communication and transmission equipment.
Further, the forest fire protection monitoring and warning system further includes holder, and the double spectrum cameras of the thermal imaging are set up
On holder, the holder is used to support the thermal imaging 360 ° of rotations of double spectrum cameras.
Further, the forest fire protection monitoring and warning system further includes encoder, one end of the encoder and the heat
Double spectrum camera connections are imaged, for compiling respectively to the visible video image data and Infrared video image data
Code, the other end of the encoder is established by first network telecommunication transmission equipment and the Alarm Server to be connected to the network, and is used
In by coding after visible video image data and Infrared video image data be transmitted to Alarm Server.
Beneficial effect using above-mentioned further scheme is:
1) judged whether current detection moment and the temperature fluctuation feature at a upper detection moment have by characteristics analysis module
There is similitude, can correctly identify non-forest fires class heat radiation, effectively eliminates thermal infrared imaging camera for non-forest fires class
The wrong report of heat radiation (such as kitchen smoke, car engine and tire, the reflective caused heat radiation of ice and snow etc.), improves fire behavior judgement
Accuracy avoids security risk and financial losses caused by fire behavior is failed to report to a certain extent, also avoids fire behavior wrong report and causes
The responding wasting of resources, to improve the reliability of forest fireproofing early warning system.
2) the double spectrum cameras of thermal imaging are erected on holder, the double spectrum camera framves of each thermal imaging are correspondingly arranged one
A holder can assist thermal infrared imaging camera to carry out full monitoring within the vision to its peripheral region, expand by holder
The big monitoring visual field of the double spectrum cameras of thermal imaging.
Detailed description of the invention
Fig. 1 is the structural representation of the forest fire protection monitoring and warning system provided in an embodiment of the present invention based on infrared thermal imaging
Figure；
Fig. 2 is the structure of another forest fire protection monitoring and warning system based on infrared thermal imaging provided in an embodiment of the present invention
Schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, the double spectrum cameras of thermal imaging, 2, Alarm Server, 3, alarm client, 4, data acquisition module, 5, feature
Extraction module, 6, characteristics analysis module, 7, alert service module, 8, holder, 9, encoder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Forest fire protection warning monitoring system due to tradition based on infrared temperature sensor, when infrared temperature sensor by
The influence of the factors such as distance, air humidity, atmospheric transmissivity, and generate uncertain energy loss, it is difficult to determine different spaces
The alarm temperature threshold value of position, and the setting of alarm temperature threshold value improper easily causes fire behavior to fail to report or report by mistake.Further more, tradition is based on temperature
The forest fire protection warning monitoring system for spending detector, is only capable of seeing the hot outline of people or object by infrared image, it is difficult to clear
Understand the fire condition in monitoring region.
In view of the above-mentioned problems, the embodiment of the present invention provides a kind of forest fire protection monitoring and warning system based on infrared thermal imaging
System, as shown in Figure 1, the system includes the double spectrum camera 1 of several thermal imagings, Alarm Server 2 and alarm client 3, it is described
By network connection, the other end connects the alarm client 3 for one end of Alarm Server 2 and the double spectrum cameras 1 of thermal imaging；
The double spectrum cameras 1 of the thermal imaging include that the thermal infrared imaging camera of integrated setting and visible light are taken the photograph
Camera, the double spectrum cameras 1 of the thermal imaging are used to obtain the temperature data and video image data in monitoring region；Wherein, institute
Stating video image data includes visible light video image data and Infrared video image data.It is understood that forest fire protection
Monitoring and warning system includes the double spectrum cameras 1 of at least one thermal imaging, and the present invention is with the quantity of the double spectrum cameras of thermal imaging
It is illustrated for being one.
It should be noted that it is traditional using infrared thermal imaging camera as the forest fire preventing monitor system of core, although having complete
Weather detectivity, but infrared thermal imaging camera lacks details resolution capability and cannot explicitly know fire if there is fire
Situation.For this problem, the present embodiment monitors the temperature data and video in regions using the double acquisitions of spectrum camera 1 of thermal imaging
Image data.The double spectrum cameras 1 of thermal imaging include integrated setting thermal infrared imaging camera and visible light camera.
Common thermal infrared imaging camera is different to be only capable of obtaining temperature data and infrared image.Thermal imaging 1 energy of double spectrum cameras
The visible light video image data and temperature data in enough acquisition monitorings region.When fire behavior occurs, pass through visible light video image
The clearer fire conditions for understanding monitoring field of data.In the present embodiment, " fire behavior " refers to fire condition.
The Alarm Server 2 includes data acquisition module 4, characteristic extracting module 5 and the alert service mould being sequentially connected
Block 7；The data acquisition module 4 is used to acquire the temperature data and video image number from the double spectrum cameras 1 of thermal imaging
According to, the temperature data is transmitted to characteristic extracting module 5, and the video image data is transmitted to alarm client 3, with
For the video image in the alarm display monitoring of client 3 region.It is understood that traditional forest fire protection based on hygrosensor
Warning monitoring system is only capable of seeing the hot outline of people or object by infrared image, it is difficult to be expressly understood that the fire in monitoring region
Situation.And in the present embodiment, visible light video image and Infrared video image in the alarm display monitoring of client 3 region, In
Staff can check the visible light video image in monitoring region by client 3 of alarming when fire behavior occurs, so as to essence
Really understand the fire condition in monitoring region.
The characteristic extracting module 5 is used to extract the temperature fluctuation feature in monitoring region from temperature data, if according to temperature
Fluctuation characteristic judgement knows that temperature anomaly fluctuation occurs for monitoring region, then output temperature unusual fluctuations information to alert service module
7；The alert service module 7 issues warning note according to temperature anomaly fluctuation information, to alarm client.
Specifically, traditional forest fire protection warning monitoring system based on infrared temperature sensor, is arranged alarm temperature threshold value,
Judge that fire behavior occurs if the temperature data of acquisition reaches alarm temperature threshold value, alarms.However, due to object issue it is red
External radiation energy will receive the influence of the factors such as distance, air humidity, atmospheric transmissivity, meeting when reaching infrared temperature sensor
Generate uncertain energy loss.In large space monitoring range, it is difficult to determine the report at different distance, under the conditions of different humidity
Alert temperature threshold.If alarm temperature threshold value is arranged lower, it will lead to fire behavior wrong report, cause the waste of responding resource；If alarm
Temperature setting obtains higher, then fire behavior rate of failing to report will increase, and leads to fire behavior alarm not in time, causes safety problem.And it is of the invention
The forest fire protection warning monitoring system that embodiment provides extracts the temperature in monitoring region by characteristic extracting module 5 from temperature data
Fluctuation characteristic is spent, if knowing that temperature anomaly fluctuation occurs for monitoring region according to the judgement of temperature fluctuation feature, output temperature is different
Normal fluctuation information is to alert service module 7, so that alert service module 7 is according to temperature anomaly fluctuation information, to alarm client
Issue warning note.Compared with generation of the prior art foundation alarm temperature threshold value to judge fire behavior, the feature of the present embodiment is mentioned
Modulus block judges the generation of fire behavior by monitoring the temperature anomaly fluctuation in region, solves alarm temperature threshold value in the prior art
Improper the problem of easily causing fire behavior to fail to report or report by mistake, is set.In the present embodiment, temperature fluctuation feature can be understood as temperature at any time
Between variation characteristic.
Forest fire protection warning monitoring system provided in an embodiment of the present invention based on infrared temperature sensor, according to thermal imaging
The temperature data of double spectrum camera acquisitions judges that temperature anomaly fluctuates, and is fluctuated according to temperature anomaly and issues warning note.With it is existing
There is technology to compare, the present invention is not required to setting alarm temperature threshold value, but judges the generation of fire behavior by temperature anomaly fluctuation, solves
Improper the problem of easily causing fire behavior to fail to report or report by mistake is arranged in the alarm temperature threshold value of traditional forest fire protection warning monitoring system of having determined.
The present invention will be seen that light video image data and Infrared video image data are transmitted to alarm client, show in alarm client
The visible light video image and Infrared video image for monitoring region, when fire behavior occurs, staff can by alarm client
The visible light video image in monitoring region is checked, to accurately understand the fire condition in monitoring region.It is anti-to solve traditional forest
Fiery warning monitoring system is only capable of seeing the hot outline of people or object by infrared image, it is difficult to be expressly understood that the fire in monitoring region
The problem of situation.
Based on the above embodiment, the thermal infrared imaging camera includes thermal infrared imager, and the thermal infrared imager is used for
Radiation detection is carried out to the testee in monitoring region, is converted radiant energy into as the electric signal directly proportional to radiation energy, into
And the electric signal is converted into the temperature data of testee；What the thermal infrared imager was also used to issue testee
Infrared energy is converted into thermal-induced imagery.
The present embodiment acquires the temperature data in monitoring region by thermal infrared imager, is characterized extraction module from temperature data
The temperature fluctuation feature for extracting monitoring region provides data and supports.
Based on any of the above-described embodiment, the characteristic extracting module 5 is specifically used for:
The temperature fluctuation feature in monitoring region is extracted from temperature data, if if the temperature fluctuation feature in the monitoring region
Showing as temperature is consecutive variations, then determines that there is no the unusual fluctuations of temperature；If the temperature in monitoring region is known in judgement
If fluctuation characteristic shows as temperature jump, determine to monitor the unusual fluctuations that temperature has occurred in region, and output temperature extraordinary wave
Information is moved to alert service module 7.
Specifically, when monitoring region does not have temperature anomaly fluctuation, in the temperature data that characteristic extracting module obtains, temperature
The temperature change of fluctuation characteristic performance should be continuously smooth, not be mutated, even if the temperature fluctuation of different zones terrain type
Feature is variant, such as the temperature in river is usually lower, and the temperature on road surface is since solarization is usually higher, in river and road
Often temperature changes greatly for the intersection in face.But in the intersection of different zones, temperature change is still continuous.
If in monitoring region, there are temperature anomaly fluctuations, such as field open fire, high temperature fumes or high temperature heat source occur, then
Characteristic extracting module fluctuates extracted temperature fluctuation feature in corresponding region in above-mentioned temperature anomaly and shows as temperature jump.
Temperature fluctuation feature is the feature of temperature change.When if characteristic extracting module determines the temperature fluctuation feature performance in monitoring region
When for temperature jump, the unusual fluctuations information of temperature is sent to alert service module 7, from alert service module 7 to alarm visitor
Family end issues warning note.
Tradition utilizes thermal infrared imaging technology based on the forest fire protection monitoring and warning system of infrared temperature sensor, by the temperature difference
Real time video image is converted into show.However be only capable of seeing the hot outline of people or object by infrared image, it can not see clearly
The true colors of object.Therefore, it can not identify that heat radiation is derived from forest fires still by uncooled ir hygrosensor
The non-forest fires class heat radiation such as car engine and tire, kitchen smoke, so as to cause the increase of rate of false alarm.For this problem,
Based on any of the above-described embodiment, Fig. 2 is that another forest fire protection monitoring based on infrared thermal imaging provided in an embodiment of the present invention is pre-
The structural schematic diagram of alert system, as shown in Fig. 2, the forest fire protection monitoring and warning system further includes characteristics analysis module 6, it is described
Characteristics analysis module 6 is separately connected the characteristic extracting module 5 and alert service module 7, the characteristics analysis module 6 be used for from
The temperature fluctuation feature that monitoring region is obtained in characteristic extracting module judges to monitor region at currently detection moment and a upper detection
Whether the temperature fluctuation feature at moment has similitude, if the temperature fluctuation feature at two detection moment is dissimilar, feature point
Analysis module 6 judges in the dissimilar corresponding region of temperature fluctuation feature whether the heat radiation of testee is the non-hot spoke of forest fires class
It penetrates；
If judgement knows that the heat radiation of testee is not non-forest fires class heat radiation, warning message is exported to alert service
Module 7, so that alert service module 7 issues warning note to client of alarming.
Specifically, referring to Fig. 2, characteristics analysis module 6 is separately connected characteristic extracting module and alert service module 7, from spy
The temperature fluctuation feature for obtaining monitoring region in extraction module is levied, judges to monitor region when the currently detection moment is with upper one detection
Whether the temperature fluctuation feature at quarter has similitude.Wherein, the present embodiment is used for the quilt to monitoring region by thermal infrared imager
It surveys object and carries out radiation detection, obtain the temperature data of testee.The judgement monitoring of characteristics analysis module 6 region is detected currently
Whether the temperature fluctuation feature at moment and a upper detection moment has similitude, refers to and judges via characteristic extracting module acquisition
Whether thermal infrared imaging camera changes significantly in the characteristic of the two detection moment detections.If temperature fluctuation is special
Apparent variation has occurred in sign, can determine that temperature has occurred rapid increase here, reason may be fire behavior occurs to cause, but
It may also be that non-forest fires class heat radiation causes.Such as sunlight impinge upon may also cause on rock or in ice face temperature it is quick on
It rises.Wherein, non-forest fires class heat radiation refers to non-field open fire, is also not the other heat radiations for causing the fire source of field open fire, than
If ice face is reflective, the frictional heat of tire friction road surface, car engine fever shines upon the heat radiation etc. of stone accumulation.
Further, it in order to judge whether the dissimilar corresponding region of temperature fluctuation feature really has occurred fire behavior, needs
Continue to judge in the dissimilar corresponding region of temperature fluctuation feature, whether the heat radiation of testee is non-forest fires class heat radiation.
If it is determined that not being non-forest fires class heat radiation, then it can be determined that the temperature fluctuation feature dissmilarity at two detection moment is that fire occurs
Feelings cause.Characteristics analysis module 6 exports warning message to alert service module 7, so that alert service module 7 issues alarm at this time
Prompt extremely alarm client.
Characteristics analysis module 6 can be desktop computer, and characteristics analysis module 6 can pass through physical connection mode or network
Connection type is connect with the characteristic extracting module, is not specifically limited herein.
Through the foregoing embodiment it is found that if the temperature fluctuation feature at two detection moment is known in characteristics analysis module judgement
Dissmilarity then also needs to judge whether the heat radiation of testee is non-woods in the dissimilar corresponding region of temperature fluctuation feature
Fiery class heat radiation.For this problem, it is based on any of the above-described embodiment, the characteristics analysis module judges temperature fluctuation feature not
In similar region, whether the heat radiation of testee is non-forest fires class heat radiation, is specifically included:
Whether the heat radiation that testee is judged by the spatial position of testee is non-forest fires class radiation；Alternatively,
Whether the heat radiation that testee is judged by the terrain type of testee affiliated area is non-forest fires class radiation.
Specifically, having the non-forest fires class heat radiation of fixed position for kitchen smoke, the stone being drying heat etc., can pass through
Whether the spatial position of infrared source is non-forest fires class radiation come the heat radiation for judging testee.Such as infrared source only occurs
Eminence more than ground then may determine that infrared source is kitchen smoke.And do not have fixed bit for car engine and tire etc.
The non-forest fires class heat radiation set can pass through the terrain type of testee affiliated area (such as road, river, village, forest land
Deng) whether the heat radiation to judge testee be the radiation of non-forest fires class.
The present embodiment identifies non-forest fires class heat radiation by the above method, effectively eliminates thermal infrared imaging camera pair
In the wrong report of non-forest fires class heat radiation (such as kitchen smoke, car engine and tire, the reflective caused heat radiation of ice and snow etc.), improve
The accuracy of fire behavior judgement, effectively prevents security risk and financial losses caused by fire behavior is failed to report, and also avoids fire behavior wrong report
Caused by the responding wasting of resources, to improve the safety and reliability of forest fireproofing early warning system.
Based on any of the above-described embodiment, the characteristics analysis module judges in the region of temperature fluctuation feature dissmilarity, quilt
Whether the heat radiation for surveying object is non-forest fires class heat radiation, further includes:
Characteristics analysis module is by pre-stored sample in the temperature fluctuation feature of testee and sample fluctuation database
Feature is compared, and judges whether the heat radiation of testee is non-forest fires class heat radiation；Wherein, the sample fluctuation database
In be stored with the corresponding temperature fluctuation feature of all kinds of geographical features.
It specifically, can be pre- in the temperature fluctuation feature and sample fluctuation database by the way that testee in region will be monitored
The sample characteristics first stored are compared, and judge whether the heat radiation of testee is non-forest fires class heat radiation.Sample fluctuation number
According to being stored with the corresponding temperature fluctuation feature of all kinds of geographical features (such as river, road, kitchen smoke) in library.Wherein, river, road
Road, kitchen smoke respectively have the temperature fluctuation feature of itself.For example, if in the region of temperature fluctuation feature dissmilarity, measured object
The temperature fluctuation feature of body and the temperature fluctuation feature of kitchen smoke are identical or close to identical, then may determine that the heat radiation of testee
It is non-forest fires class heat radiation.
Further, in this embodiment some region of temperature fluctuation feature can be stored in sample fluctuation database
Sample, for example the temperature fluctuation feature in certain section of forest zone that first (fire behavior will not occur) under normal circumstances stores as sample, then will
The temperature fluctuation feature in this section of forest zone real-time detected is compared with pre-stored sample, if similar, illustrates corresponding woods
Fire behavior does not occur at this time for area.If temperature fluctuation feature is dissimilar, judge that fire behavior occurs for forest zone.
The ability of self-teaching that sample fluctuation feature database has, gradually accumulates samples of undulations.Sample fluctuation feature database
Learning sample reports really, reports by mistake and fails to report the temperature fluctuation feature that system automatically records in event from fire behavior.Sample
This ability of self-teaching in fluctuation characteristic library allows whole system to continually refine and constantly improve for various spies
Determine the discrimination capabilities of infrared source.
Based on any of the above-described embodiment, the thermal infrared imaging camera is identical with the visual field of visible light camera.This reality
It applies in example, the double spectrum cameras 1 of thermal imaging include integrated setting thermal infrared imaging camera and visible light camera.It is red
Outer thermal imaging camera is identical with the visual field of visible light camera, convenient for subsequent to visible light video image data and infrared video
The fusion treatment of image data.
Based on any of the above-described embodiment, referring to Fig. 2, the double spectrum cameras 1 of the thermal imaging are communicated by first network to be passed
Transfer device connects network, and the Alarm Server 2 connects network by the second network communication and transmission equipment.
Based on any of the above-described embodiment, the forest fire protection monitoring and warning system further includes holder 8, the double light of the thermal imaging
Spectrum video camera 1 is erected on holder 8, and the holder 8 is used to support the thermal imaging 360 ° of rotations of double spectrum cameras.
The double spectrum cameras of thermal imaging are erected on holder 8 by the present embodiment, the double spectrum camera framves pair of each thermal imaging
One holder 8 should be set, thermal infrared imaging camera can be assisted to carry out entirely within sweep of the eye its peripheral region by holder 8
Monitoring, expand the monitoring visual field of the double spectrum cameras of thermal imaging.
Based on any of the above-described embodiment, the forest fire protection monitoring and warning system further includes encoder 9, the encoder 9
One end and the thermal imaging double spectrum cameras connect, be used for respectively to the visible video image data and infrared video figure
As data are encoded, the other end of the encoder 9 is built by first network telecommunication transmission equipment with the Alarm Server 2
Vertical network connection, for the visible video image data after encoding and Infrared video image data to be transmitted to Alarm Server 2.
It should be noted that relational terms such as first and second and the like are only in the description of the embodiment of the present invention
Only it is used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these realities
There are any actual relationship or orders between body or operation.The terms "include", "comprise" or its any other change
Body is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wrapped
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that equipment is intrinsic.Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixed connect
It connects, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be direct phase
Even, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, above-mentioned term can be understood in concrete meaning of the invention as the case may be.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of forest fire protection monitoring and warning system based on infrared thermal imaging, which is characterized in that including the double light of several thermal imagings
Video camera, Alarm Server and alarm client are composed, one end and the double spectrum cameras of thermal imaging of the Alarm Server pass through
Network connection, the other end connect the alarm client；
The double spectrum cameras of the thermal imaging include the thermal infrared imaging camera and visible light camera of integrated setting,
The double spectrum cameras of the thermal imaging are used to obtain the temperature data and video image data in monitoring region；Wherein, the video
Image data includes visible light video image data and Infrared video image data；
The Alarm Server includes the data acquisition module being sequentially connected, characteristic extracting module and alert service module；It is described
Data acquisition module is used to acquire the temperature data and video image data from the double spectrum cameras of thermal imaging, by the temperature
Degree evidence is transmitted to characteristic extracting module, and the video image data is transmitted to alarm client, for client of alarming
The video image in display monitoring region；The temperature fluctuation that the characteristic extracting module is used to extract monitoring region from temperature data is special
Sign, if knowing that temperature anomaly fluctuation, output temperature unusual fluctuations information occur for monitoring region according to the judgement of temperature fluctuation feature
To alert service module；The alert service module issues warning note according to temperature anomaly fluctuation information, to alarm client.
2. the forest fire protection monitoring and warning system according to claim 1 based on infrared thermal imaging, which is characterized in that described
Thermal infrared imaging camera includes thermal infrared imager, and the thermal infrared imager is used to radiate the testee in monitoring region
Detection converts radiant energy into as the electric signal directly proportional to radiation energy, and then the electric signal is converted into measured object
The temperature data of body；The thermal infrared imager is also used to convert thermal-induced imagery for the infrared energy that testee issues.
3. the forest fire protection monitoring and warning system according to claim 1 based on infrared thermal imaging, which is characterized in that described
Characteristic extracting module is specifically used for:
The temperature fluctuation feature in monitoring region is extracted from temperature data, if if the temperature fluctuation feature performance in the monitoring region
It is consecutive variations for temperature, then determines that there is no the unusual fluctuations of temperature；If the temperature fluctuation in monitoring region is known in judgement
If feature shows as temperature jump, determine to monitor the unusual fluctuations that temperature has occurred in region, and output temperature unusual fluctuations are believed
It ceases to alert service module.
4. the forest fire protection monitoring and warning system according to claim 2 based on infrared thermal imaging, which is characterized in that described
Forest fire protection monitoring and warning system further includes characteristics analysis module；
The characteristics analysis module is separately connected the characteristic extracting module and alert service module, and the characteristics analysis module is used
In the temperature fluctuation feature for obtaining monitoring region from characteristic extracting module, judge to monitor region at the currently detection moment and upper one
Whether the temperature fluctuation feature at detection moment has similitude, special if the temperature fluctuation feature at two detection moment is dissimilar
Sign analysis module judges in the dissimilar corresponding region of temperature fluctuation feature whether the heat radiation of testee is non-forest fires class heat
Radiation；
If judgement knows that the heat radiation of testee is not non-forest fires class heat radiation, warning message is exported to alert service mould
Block, so that alert service module issues warning note to client of alarming.
5. the forest fire protection monitoring and warning system according to claim 4 based on infrared thermal imaging, which is characterized in that described
Characteristics analysis module judges in the region of temperature fluctuation feature dissmilarity whether the heat radiation of testee is the non-hot spoke of forest fires class
It penetrates, specifically includes:
Whether the heat radiation that testee is judged by the spatial position of testee is non-forest fires class radiation；Alternatively,
Whether the heat radiation that testee is judged by the terrain type of testee affiliated area is non-forest fires class radiation.
6. the forest fire protection monitoring and warning system according to claim 4 based on infrared thermal imaging, which is characterized in that described
Characteristics analysis module judges in the region of temperature fluctuation feature dissmilarity whether the heat radiation of testee is the non-hot spoke of forest fires class
It penetrates, further includes:
Characteristics analysis module is by pre-stored sample characteristics in the temperature fluctuation feature of testee and sample fluctuation database
It is compared, judges whether the heat radiation of testee is non-forest fires class heat radiation；Wherein, it is deposited in the sample fluctuation database
Contain the corresponding temperature fluctuation feature of all kinds of geographical features.
7. the forest fire protection monitoring and warning system according to claim 1 based on infrared thermal imaging, which is characterized in that described
Thermal infrared imaging camera is identical with the visual field of visible light camera.
8. the forest fire protection monitoring and warning system according to claim 1 based on infrared thermal imaging, which is characterized in that described
The double spectrum cameras of thermal imaging connect network by first network telecommunication transmission equipment, and the Alarm Server passes through the second network
Telecommunication transmission equipment connects network.
9. the forest fire protection monitoring and warning system according to claim 1 based on infrared thermal imaging, which is characterized in that described
Forest fire protection monitoring and warning system further includes holder, and the double spectrum cameras of the thermal imaging are erected on holder, and the holder is used
In the support thermal imaging 360 ° of rotations of double spectrum cameras.
10. the forest fire protection monitoring and warning system according to claim 8 based on infrared thermal imaging, which is characterized in that institute
Stating forest fire protection monitoring and warning system further includes encoder, and one end of the encoder and the double spectrum cameras of the thermal imaging connect
Connect, for being encoded respectively to the visible video image data and Infrared video image data, the encoder it is another
End is established by first network telecommunication transmission equipment and the Alarm Server and is connected to the network, for the visible video after encoding
Image data and Infrared video image data are transmitted to Alarm Server.
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| CN115240359A (en) * | 2022-07-15 | 2022-10-25 | 南京信息工程大学 | Monitoring devices based on remote sensing technique prevention forest fire |
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