CN108419045A - A kind of monitoring method and device based on infrared thermal imaging technique - Google Patents
A kind of monitoring method and device based on infrared thermal imaging technique Download PDFInfo
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- CN108419045A CN108419045A CN201810142064.3A CN201810142064A CN108419045A CN 108419045 A CN108419045 A CN 108419045A CN 201810142064 A CN201810142064 A CN 201810142064A CN 108419045 A CN108419045 A CN 108419045A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000001931 thermography Methods 0.000 title claims abstract description 27
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 92
- 238000012545 processing Methods 0.000 claims description 17
- 238000012806 monitoring device Methods 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 38
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Radiation Pyrometers (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
A kind of monitoring method and device based on infrared thermal imaging technique can only determine abnormal monitoring area to solve monitoring method in the prior art, can not determine to trigger abnormal monitoring point in the monitoring area being abnormal.This method includes：Detect the infra-red radiation of monitoring area, determine the corresponding graphic images of monitoring area, monitor the temperature value of whole pixels in graphic images, in graphic images, determine the corresponding extraordinary image vegetarian refreshments of temperature value for meeting preset alarm rule, and coordinate value of the recording exceptional pixel in graphic images, graphic images are converted into the first gray-scale map, and in the first gray-scale map according to coordinate value with preset colour code extraordinary image vegetarian refreshments, obtain the second gray-scale map, so that user can pass through the extraordinary image vegetarian refreshments in the corresponding graphic images in the intuitive checking monitoring region of the second gray-scale map, and then it is determined according to extraordinary image vegetarian refreshments and triggers abnormal monitoring point in monitoring area.
Description
Technical field
This application involves picture control field more particularly to a kind of monitoring methods and dress based on infrared thermal imaging technique
It sets.
Background technology
Currently, all kinds of monitoring devices have been widely applied to such as military affairs, public security, fire-fighting, oil field, forest, traffic administration
Deng the key areas for needing round-the-clock real time monitoring.With photoelectric information, microelectronics, network communication, digital video, multimedia skill
The development of art and sensing technology, modern high technology almost have application in safety defense monitoring system or will apply.Modern times pass
The infrared thermal imaging technique quickly grown in sense technology also begins to be applied in safety and protection system, infrared thermal imaging skill
Art uses the infrared ray specific band signal of photoelectric technology detection object heat radiation, converts the signal into for human vision point
The graphic images distinguished, thermograph seem the image for characterizing object to be detected surface temperature distribution situation, and people can pass through object
The temperature distribution state on the graphic images monitoring object surface of body.
The existing monitoring method based on infrared thermal imaging technique is usually applied to thermally sensitive monitoring scene, for example,
Forest fire protection monitoring scene, server in machine room monitoring scene etc., in the existing monitoring method based on infrared thermal imaging technique, monitoring
Device uses infrared thermal imaging technique, detects the infra-red radiation of monitoring area, obtains the graphic images of monitoring area, and according to
Graphic images judge that whether image temperature is abnormal in monitoring area, is reported when image temperature occurs abnormal in monitoring area
Alert operation, by the monitoring method of the prior art, it is abnormal that user can only determine which monitoring area occurs, and cannot specifically determine hair
Abnormal monitoring point is triggered in raw abnormal monitoring area.
Invention content
Embodiments herein provides a kind of monitoring method and device based on infrared thermal imaging technique, existing to solve
There is the monitoring method in technology that can only determine abnormal monitoring area, can not determine to touch in the monitoring area being abnormal
The problem of sending out abnormal monitoring point.
The purpose of the application is achieved through the following technical solutions：
In a first aspect, providing a kind of monitoring method based on infrared thermal imaging technique, this method includes：Detect monitoring area
Infra-red radiation, determine the corresponding graphic images of the monitoring area, monitor in the graphic images whole pixels
Temperature value determines the corresponding extraordinary image vegetarian refreshments of temperature value for meeting preset alarm rule in the graphic images,
And coordinate value of the extraordinary image vegetarian refreshments in the graphic images is recorded, the graphic images are converted into the first gray scale
Figure, and in first gray-scale map according to the coordinate value with extraordinary image vegetarian refreshments described in preset colour code, obtain second
Gray-scale map.
In the embodiment of the present application, by monitoring the temperature value of pixel in graphic images, determine abnormal in monitoring area
Pixel, and graphic images are converted into the first gray-scale map, with preset colour code abnormal pixel in the first gray-scale map
Point obtains the second gray-scale map so that user can be by the corresponding graphic images in the intuitive checking monitoring region of the second gray-scale map
Extraordinary image vegetarian refreshments, and then determined according to extraordinary image vegetarian refreshments and trigger abnormal monitoring point in monitoring area.
Preferably, the preset alarm rule is at least two, the preset color and preset report
Police regulations are then one-to-one, and different preset alarm rules correspond to different preset colors.
In the embodiment of the present application, when alarm rule is at least two so that the preset color of mark extraordinary image vegetarian refreshments
It is corresponded with preset alarm rule, different preset alarm rules corresponds to different preset colors, can make
User according to the color of extraordinary image vegetarian refreshments can intuitive judgment extraordinary image vegetarian refreshments which kind of alarm rule met.
Preferably, after obtaining the second gray-scale map, further include：
It determines the minimum enclosed rectangle of second gray-scale map, and determines the length value and width of the minimum enclosed rectangle
Value；According to the length value and width value of the minimum enclosed rectangle, generate and the directly proportional suspension of the minimum enclosed rectangle
Window；Include in the suspension windows by the image in the minimum enclosed rectangle.
In the embodiment of the present application, by including in suspension windows by the second gray-scale map, usable family passes through suspension windows
More intuitively check the extraordinary image vegetarian refreshments in monitoring area corresponding with the second gray-scale map.
Preferably, after obtaining the second gray-scale map, further include：
It determines the minimum enclosed rectangle of second gray-scale map, and determines the length value and width of the minimum enclosed rectangle
Value；The suspension windows of preset length value are generated in advance；According to the length value of the minimum enclosed rectangle, width value and described outstanding
The preset length value of floating window mouth, equal proportion determine the width value of the suspension windows；According to the length value of the suspension windows and
Width value, the minimum enclosed rectangle that zooms in or out of equal proportion；The external square of minimum after zooming in or out
Image in shape is shown in the suspension windows.
In the embodiment of the present application, by including in suspension windows by the second gray-scale map, usable family passes through suspension windows
More intuitively check the extraordinary image vegetarian refreshments in monitoring area corresponding with the second gray-scale map.
Preferably, the suspension windows include idler wheel, the idler wheel is shown in the suspension for zooming in or out
Image in window.
In the embodiment of the present application, the image being shown in suspension windows can be zoomed in or out by idler wheel, can also be led to certainly
It crosses other manner and zooms in or out the image being shown in suspension windows, the application does not limit.
Second aspect, provides a kind of monitoring device based on infrared thermal imaging technique, described device include determining module and
Processing module, the determining module determine the corresponding heat of the monitoring area for the infra-red radiation by detecting monitoring area
Image；The processing module, the temperature value for monitoring whole pixels in the graphic images, in the thermal imaging
In image, the corresponding extraordinary image vegetarian refreshments of temperature value for meeting preset alarm rule is determined, and record the abnormal pixel
The graphic images are converted to the first gray-scale map by coordinate value of the point in the graphic images, and in first ash
It spends in figure according to the coordinate value with extraordinary image vegetarian refreshments described in preset colour code, obtains the second gray-scale map.
Preferably, the preset alarm rule is at least two, the preset color and preset report
Police regulations are then one-to-one, and different preset alarm rules correspond to different preset colors.
Preferably, the processing module is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine the minimum
The length value and width value of boundary rectangle；According to the length value and width value of the minimum enclosed rectangle, generate and the minimum
The directly proportional suspension windows of boundary rectangle；Include in the suspension windows by the image in the minimum enclosed rectangle.
Preferably, the processing module is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine the minimum
The length value and width value of boundary rectangle；The suspension windows of preset length value are generated in advance；According to the minimum enclosed rectangle
The preset length value of length value, width value and the suspension windows, equal proportion determine the width value of the suspension windows；According to
The length value and width value of the suspension windows, the minimum enclosed rectangle that zooms in or out of equal proportion；Will amplification or
The image in the minimum enclosed rectangle after diminution is shown in the suspension windows.
Preferably, the suspension windows include idler wheel, the idler wheel is shown in the suspension for zooming in or out
Image in window.
In the above embodiments of the present application, by monitoring the temperature value of pixel in graphic images, determine in monitoring area
Extraordinary image vegetarian refreshments, and graphic images are converted into the first gray-scale map, with preset colour code exception in the first gray-scale map
Pixel obtains the second gray-scale map so that user can pass through the corresponding thermograph in the intuitive checking monitoring region of the second gray-scale map
Extraordinary image vegetarian refreshments as in, and then determined according to extraordinary image vegetarian refreshments and trigger abnormal monitoring point in monitoring area.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of monitoring method flow chart based on infrared thermal imaging technique provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of second gray-scale map of display provided by the embodiments of the present application；
Fig. 3 is a kind of schematic diagram showing the second gray-scale map in suspension windows provided by the embodiments of the present application；
Fig. 4 is that a kind of concrete scene provided by the embodiments of the present application monitors flow chart；
Fig. 5 is a kind of monitoring device structural schematic diagram based on infrared thermal imaging technique provided in an embodiment of the present invention.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with attached drawing to the application make into
It is described in detail to one step, it is clear that described embodiment is only the application some embodiments, rather than whole implementation
Example.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall in the protection scope of this application.
Abnormal monitoring area can only be determined to solve monitoring method in the prior art, can not determine to occur different
The problem of abnormal monitoring point is triggered in normal monitoring area, the embodiment of the present application provide a kind of based on infrared thermal imaging technique
Monitoring method.
Fig. 1 show a kind of monitoring method flow chart based on infrared thermal imaging technique provided by the embodiments of the present application, such as
Shown in Fig. 1, including：
S101：The infra-red radiation for detecting monitoring area, determines the corresponding graphic images of monitoring area.
In the embodiment of the present application, existing infrared thermal imaging technique can be used, by detecting the infra-red radiation of monitoring area,
It determines the graphic images corresponding to monitoring area, is that the prior art is achievable, the application is not described in detail.
S102：Monitor the temperature value of whole pixels in graphic images.
In the embodiment of the present application, graphic images can characterize the surface temperature distribution feelings for the object that is monitored in monitoring area
Condition can determine whether the surface temperature of monitored object in monitoring area by monitoring the temperature value of whole pixels in graphic images
Degree, since what is monitored in the application is the temperature value of each pixel in graphic images, therefore can be determined as unit of pixel
Abnormal area, that is, it can determine that the abnormal monitoring point in monitoring area, and monitoring method in the prior art can only be with monitored space
Domain is that unit determines abnormal, and the prior art cannot determine specific abnormal monitoring point in monitoring area.
S103：In graphic images, the corresponding abnormal pixel of temperature value for meeting preset alarm rule is determined
Point, and coordinate value of the recording exceptional pixel in graphic images.
In the embodiment of the present application, the alarm rule of monitoring area can be pre-set according to the demand in practical application, will be expired
The temperature value of the preset alarm rule of foot is determined as abnormal temperature value, in graphic images, determines abnormal temperature value pair
The extraordinary image vegetarian refreshments answered, and coordinate value of the recording exceptional pixel in graphic images, subsequently to use.
S104：Graphic images are converted into the first gray-scale map, and in the first gray-scale map according to coordinate value with preset
Colour code extraordinary image vegetarian refreshments, obtains the second gray-scale map.
It should be noted that gray scale refers to that will be divided by logarithmic relationship the exponent numbers of several grades between white and black, lead to
Often it is 256 ranks, and the image indicated with gray scale is referred to as gray-scale map.
In the embodiment of the present application, graphic images are typically the coloured image of pre-set color, by the weight of color with
And the temperature for the body surface that is monitored in color color reflection monitoring area, graphic images are converted into the first ash in the application
Degree figure, according to coordinate value of the extraordinary image vegetarian refreshments recorded in graphic images, with preset color in the first gray-scale map
Extraordinary image vegetarian refreshments is identified, obtains the second gray-scale map, since the second gray-scale map is the image of monochrome scale, and extraordinary image vegetarian refreshments has led to
Preset colour code is crossed, therefore so that user can pass through the corresponding thermal imaging in the intuitive checking monitoring region of the second gray-scale map
Extraordinary image vegetarian refreshments in image, and then determined according to extraordinary image vegetarian refreshments and trigger abnormal monitoring point in monitoring area.
In the embodiment of the present application, it can be one for the pre-set alarm rule of monitoring area, can also be a plurality of
(a plurality of here refers to two and two or more), when preset alarm rule is at least two, preset color with it is pre-
The alarm rule first set is one-to-one, and different preset alarm rules correspond to different preset colors, make user
According to the color of extraordinary image vegetarian refreshments can intuitive judgment extraordinary image vegetarian refreshments which kind of alarm rule met.For example, it is assumed that setting in advance
Three kinds of alarm rules, respectively alarm rule A, alarm rule B and alarm rule C are determined, the embodiment of the present application can be directed to not
Different colors is respectively set in same alarm rule A, alarm rule B and alarm rule C, it is assumed that for alarm rule A settings
Red, for alarm rule B setting blues, for alarm rule C setting greens.Assuming that in graphic images, determine full
The corresponding extraordinary image vegetarian refreshments A of temperature value of the preset alarm rule A of foot, the temperature value for meeting alarm rule B are corresponding different
Normal pixel B, the corresponding extraordinary image vegetarian refreshments C of temperature value for meeting alarm rule C, and recording exceptional pixel A, extraordinary image vegetarian refreshments
The coordinate value of B and extraordinary image vegetarian refreshments C in graphic images, and graphic images are converted into the first gray-scale map, by heat at
After being converted to the first gray-scale map as image, in the first gray-scale map according to extraordinary image vegetarian refreshments A, the extraordinary image vegetarian refreshments B of record with
And coordinate values of the extraordinary image vegetarian refreshments C in graphic images, with respectively with alarm rule A, alarm rule B and alarm rule C
Corresponding preset color, mark extraordinary image vegetarian refreshments A, extraordinary image vegetarian refreshments B and extraordinary image vegetarian refreshments C, obtains the second gray-scale map, joins
It reads shown in Fig. 2, it is different with blue mark by identifying extraordinary image vegetarian refreshments A in corresponding first gray-scale map of monitoring area with red
Normal pixel B, with green mark extraordinary image vegetarian refreshments C so that user can easily judge different according to the color of extraordinary image vegetarian refreshments
Normal pixel A meets alarm rule A, and extraordinary image vegetarian refreshments B meets alarm rule B, and extraordinary image vegetarian refreshments C meets alarm rule C.
In the embodiment of the present application, since in practical application monitoring would generally be carried out at the same time to multiple monitoring areas, when certain
After monitoring area is abnormal, user needs to check the monitoring area being abnormal in multiple monitoring areas, is not very straight
It sees, user experience is poor, and to solve the problems, such as this, the second gray-scale map is included outstanding after obtaining the second gray-scale map by the application
In floating window mouth, which is described below in detail.
In the embodiment of the present application, the second gray-scale map is included the method in suspension windows by proposition the following two kinds.
In the first embodiment, after obtaining the second gray-scale map, the minimum enclosed rectangle of the second gray-scale map is determined, and
The length value and width value for determining minimum enclosed rectangle generate and minimum according to the length value and width value of minimum enclosed rectangle
The directly proportional suspension windows of boundary rectangle, include in suspension windows by the image in minimum enclosed rectangle.
In the embodiment of the present application, since the monitoring area of actual monitored is typically irregular region (border circular areas, triangle
Shape region, irregular polygon region etc.), and suspension windows are rectangles, therefore, by corresponding second ash in abnormal monitoring region
Degree figure is shown in before suspension windows, needs to handle second gray-scale map.By determining the second gray-scale map in the application
Minimum enclosed rectangle, it may be determined that the length value and width value of minimum enclosed rectangle, and then can be according to the length of minimum enclosed rectangle
Angle value and width value, generation and the directly proportional suspension windows of minimum enclosed rectangle, to realize the minimum according to the second gray-scale map
Boundary rectangle determines the size of suspension windows, and then it is corresponding with the second gray-scale map family to can be used more intuitively to be checked by suspension windows
Monitoring area in extraordinary image vegetarian refreshments.
It should be noted that when generating suspension windows directly proportional with minimum enclosed rectangle in the application, do not limit
The magnitude relationship of suspension windows and minimum enclosed rectangle, for example, may make the suspension windows of generation bigger than minimum enclosed rectangle,
The suspension windows generated can be made smaller than minimum enclosed rectangle, can specifically be determined according to the size of screen is shown in practical application
It is fixed.
Fig. 3 show a kind of schematic diagram showing the second gray-scale map in suspension windows provided by the embodiments of the present application, such as
Shown in Fig. 3, suspension windows are shown on corresponding second gray-scale map of former monitoring area, are not limited certainly, in the application outstanding
Suspension windows are included usually near the monitoring area being abnormal, if the monitoring being abnormal by the position where floating window mouth
Region has multiple, then will include attached in corresponding monitoring area for the suspension windows of each abnormal monitoring Area generation
Closely, so that user more easily knows which monitoring area is abnormal.
In second of embodiment, after obtaining the second gray-scale map, the minimum enclosed rectangle of the second gray-scale map is determined, and
The length value and width value for determining minimum enclosed rectangle, are generated in advance the suspension windows of preset length value, according to minimum external square
The length value of shape, the preset length value of width value and suspension windows, equal proportion determines the width value of suspension windows, according to suspension
The length value and width value of window, the minimum enclosed rectangle that zooms in or out of equal proportion, by the minimum after zooming in or out
Image in boundary rectangle is shown in suspension windows.
It should be noted that the preset length value of suspension windows can be true according to actual demand in above-mentioned second of embodiment
It is fixed, for example, can determine that the length for being suitble to current screen size, the application are not limited according to the size of current display screen.
Explanation is needed further exist for, according to the default of the length value of minimum enclosed rectangle, width value and suspension windows
Length value, equal proportion determine the width value of suspension windows, and following formula can be used：
NW=nL*xW/yL；
Wherein, nL is the preset length value of suspension windows, and yL is the length value of the minimum enclosed rectangle of the second gray-scale map, xW
For the width value of the minimum enclosed rectangle of the second gray-scale map, nW is the width value of suspension windows.
The application is shown in suspension windows in second of embodiment of the second gray-scale map, not further according to the second gray-scale map
Size equal proportion generation suspension windows, but the suspension windows of preset length value are generated in advance, and then according to the second gray scale
The length value of the minimum enclosed rectangle of figure, the preset length value of width value and suspension windows, equal proportion determine suspension windows
Width value, according to the length value and width value of suspension windows, the minimum enclosed rectangle that zooms in or out of equal proportion, to realize root
The size of the minimum enclosed rectangle of the second gray-scale map is adjusted according to suspension windows preset length value equal proportion so that suspension windows can be shown
Show different size of minimum enclosed rectangle image, and then family can be used more intuitively to be checked by suspension windows and the second gray-scale map pair
Extraordinary image vegetarian refreshments in the monitoring area answered.
In the embodiment of the present application, idler wheel can be set in suspension windows, suspension windows are shown in for zooming in or out
In image.
It should be noted that the image being shown in suspension windows can be zoomed in or out in the application by idler wheel, certainly
Also the image being shown in suspension windows can be zoomed in or out otherwise, and the application does not limit.
In the embodiment of the present application, below with specific example to provided by the present application based on infrared thermal imaging technique
Monitoring method is explained.
In the embodiment of the present application, it is assumed hereinafter that be monitored to the server in all building in a garden, therefore can
Using entire garden as a monitoring area, by detecting the infra-red radiation of the garden, corresponding graphic images are determined,
It is user and is not concerned with according to practical some positions in entire garden of user demand, for example, road, parking lot in garden
Equal regions are not user's area of interest, and therefore, user can select user pass according to actual demand in entire garden
The corresponding region of building of note is as monitoring area.Assuming that there are four building in entire garden, respectively building 1, building 2,
Building 3 and building 4, then user can be by this corresponding region 1 of four building, region 2, region 3 and region 4 as prison
Control region.
It should be noted that the application can before implementing monitoring in garden selection region 1, region 2, region 3 and
Region 4 is used as monitoring area, naturally it is also possible to after the graphic images of the entire garden of determination, be selected in the graphic images
Select region 1,4 corresponding graphic images 1 of region 2, region 3 and region, graphic images 2, graphic images 3 and
Graphic images 4 be used as monitored object, the application does not limit, but is considered for easy to implement, the embodiment of the present application with
It is illustrated for being determined using the latter down, that is, passes through chosen area 1, region 2, region 3 in entire graphic images
And 4 corresponding graphic images 1 of region, graphic images 2, graphic images 3 and graphic images 4 are as monitoring
Object.
The monitoring method that the application Fig. 1 is provided is executed for the corresponding monitoring area of each building, as shown in fig.4, opening
After opening the monitoring to each building, the corresponding graphic images 1 of each building, graphic images 2, thermograph are monitored
As the temperature value of whole pixels in 3 and graphic images 4, it is determined whether there are abnormal temperature values, if being not present, after
Continuous monitoring is until there is abnormal temperature value, if there is abnormal temperature value, respectively in graphic images 1, graphic images
2, it in graphic images 3 and graphic images 4, determines and meets preset alarm rule corresponding with each monitoring area
The corresponding extraordinary image vegetarian refreshments of temperature value, preset alarm rule is set separately for different monitoring areas herein
, for example, it is assumed that pre-setting two different alarm rules for region 1, alarm rule one is that temperature value is more than 90 DEG C, report
Police regulations then two for temperature value be less than 10 DEG C, if then be directed to region 1 in monitor the picture for meeting alarm rule one or alarm rule two
Vegetarian refreshments, the then pixel that these are met to alarm rule are determined as extraordinary image vegetarian refreshments.Graphic images 1, heat are being determined respectively
After extraordinary image vegetarian refreshments in image 2, graphic images 3 and graphic images 4, record these extraordinary image vegetarian refreshments with
Graphic images including extraordinary image vegetarian refreshments are converted to the first gray-scale map by the coordinate value in its corresponding graphic images, and
The second gray-scale map is obtained with preset colour code extraordinary image vegetarian refreshments according to the coordinate value of above-mentioned record in the first gray-scale map,
By the second gray-scale map include in suspension windows using a kind of in two kinds of implementations provided herein.
It should be noted that can be on the original image of the corresponding graphic images of monitoring area, by thermal imaging in the application
Image is converted to the second gray-scale map, can also include by graphic images in suspension windows after, by graphic images turn
It is changed to the second gray-scale map, the application does not limit.
Based on inventive concept identical with the monitoring method based on infrared thermal imaging technique of above-mentioned offer, the application is implemented
A kind of monitoring device based on infrared thermal imaging technique is also provided in example, the composition and purposes of the device is described more fully below.
Fig. 5 is a kind of monitoring device structural schematic diagram based on infrared thermal imaging technique provided in an embodiment of the present invention, such as
Shown in Fig. 5, which includes determining module 101 and processing module 102, wherein：
Determining module 101, for by detect monitoring area infra-red radiation, determine the monitoring area it is corresponding heat at
As image.
Processing module 102, after determining the corresponding graphic images of the monitoring area in determining module 101,
The temperature value for monitoring whole pixels in the graphic images, in the graphic images, determination meets preset
The corresponding extraordinary image vegetarian refreshments of temperature value of alarm rule, and record coordinate of the extraordinary image vegetarian refreshments in the graphic images
The graphic images are converted to the first gray-scale map by value, and in first gray-scale map according to the coordinate value with default
Colour code described in extraordinary image vegetarian refreshments, obtain the second gray-scale map.
Preferably, the preset alarm rule is at least two, the preset color and preset report
Police regulations are then one-to-one, and different preset alarm rules correspond to different preset colors.
Preferably, the processing module 102 is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine the minimum
The length value and width value of boundary rectangle；According to the length value and width value of the minimum enclosed rectangle, generate and the minimum
The directly proportional suspension windows of boundary rectangle；Include in the suspension windows by the image in the minimum enclosed rectangle.
Preferably, the processing module 102 is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine the minimum
The length value and width value of boundary rectangle；The suspension windows of preset length value are generated in advance；According to the minimum enclosed rectangle
The preset length value of length value, width value and the suspension windows, equal proportion determine the width value of the suspension windows；According to
The length value and width value of the suspension windows, the minimum enclosed rectangle that zooms in or out of equal proportion；Will amplification or
The image in the minimum enclosed rectangle after diminution is shown in the suspension windows.
Preferably, the suspension windows include idler wheel, the idler wheel is shown in the suspension for zooming in or out
Image in window.
In the above embodiments of the present application, by monitoring the temperature value of pixel in graphic images, determine in monitoring area
Extraordinary image vegetarian refreshments, and graphic images are converted into the first gray-scale map, with preset colour code exception in the first gray-scale map
Pixel obtains the second gray-scale map so that user can pass through the corresponding thermograph in the intuitive checking monitoring region of the second gray-scale map
Extraordinary image vegetarian refreshments as in, and then determined according to extraordinary image vegetarian refreshments and trigger abnormal monitoring point in monitoring area.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and range.In this way, if these modifications and variations of the application belong to the range of the application claim and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of monitoring method based on infrared thermal imaging technique, which is characterized in that including：
The infra-red radiation for detecting monitoring area, determines the corresponding graphic images of the monitoring area；
Monitor the temperature value of whole pixels in the graphic images；
In the graphic images, the corresponding extraordinary image vegetarian refreshments of temperature value for meeting preset alarm rule is determined, and
Record coordinate value of the extraordinary image vegetarian refreshments in the graphic images；
The graphic images are converted into the first gray-scale map, and in first gray-scale map according to the coordinate value with default
Colour code described in extraordinary image vegetarian refreshments, obtain the second gray-scale map.
2. the method as described in claim 1, which is characterized in that the preset alarm rule is at least two, described
Preset color is one-to-one with preset alarm rule, and different preset alarm rules correspond to different default
Color.
3. method as claimed in claim 1 or 2, which is characterized in that after obtaining the second gray-scale map, further include：
It determines the minimum enclosed rectangle of second gray-scale map, and determines the length value and width value of the minimum enclosed rectangle；
According to the length value and width value of the minimum enclosed rectangle, generate and the directly proportional suspension of the minimum enclosed rectangle
Window；
Include in the suspension windows by the image in the minimum enclosed rectangle.
4. method as claimed in claim 1 or 2, which is characterized in that after obtaining the second gray-scale map, further include：
It determines the minimum enclosed rectangle of second gray-scale map, and determines the length value and width value of the minimum enclosed rectangle；
The suspension windows of preset length value are generated in advance；
According to the preset length value of the length value of the minimum enclosed rectangle, width value and the suspension windows, equal proportion is true
The width value of the fixed suspension windows；
According to the length value and width value of the suspension windows, the minimum enclosed rectangle that zooms in or out of equal proportion；
The image in the minimum enclosed rectangle after zooming in or out includes in the suspension windows.
5. method as claimed in claim 4, which is characterized in that the suspension windows include idler wheel, and the idler wheel is for putting
Big or diminution is shown in the image in the suspension windows.
6. a kind of monitoring device based on infrared thermal imaging technique, which is characterized in that including determining module and processing module；
The determining module determines the corresponding thermal imaging of the monitoring area for the infra-red radiation by detecting monitoring area
Image；
The processing module, the temperature value for monitoring whole pixels in the graphic images, in the graphic images
In, determine the corresponding extraordinary image vegetarian refreshments of temperature value for meeting preset alarm rule, and record the extraordinary image vegetarian refreshments and exist
The graphic images are converted to the first gray-scale map by the coordinate value in the graphic images, and in first gray-scale map
It is middle according to the coordinate value with extraordinary image vegetarian refreshments described in preset colour code, obtain the second gray-scale map.
7. device as claimed in claim 6, which is characterized in that including：The preset alarm rule is at least two,
The preset color is one-to-one with preset alarm rule, and different preset alarm rules correspond to different
Preset color.
8. device as claimed in claims 6 or 7, which is characterized in that the processing module is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine that the minimum is external
The length value and width value of rectangle；
According to the length value and width value of the minimum enclosed rectangle, generate and the directly proportional suspension of the minimum enclosed rectangle
Window；
Include in the suspension windows by the image in the minimum enclosed rectangle.
9. device as claimed in claims 6 or 7, which is characterized in that the processing module is additionally operable to：
After obtaining the second gray-scale map, the minimum enclosed rectangle of second gray-scale map is determined, and determine that the minimum is external
The length value and width value of rectangle；
The suspension windows of preset length value are generated in advance；
According to the preset length value of the length value of the minimum enclosed rectangle, width value and the suspension windows, equal proportion is true
The width value of the fixed suspension windows；
According to the length value and width value of the suspension windows, the minimum enclosed rectangle that zooms in or out of equal proportion；
The image in the minimum enclosed rectangle after zooming in or out includes in the suspension windows.
10. device as claimed in claim 9, which is characterized in that the suspension windows include idler wheel, and the idler wheel is for putting
Big or diminution is shown in the image in the suspension windows.
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| CN201810142064.3A CN108419045B (en) | 2018-02-11 | 2018-02-11 | Monitoring method and device based on infrared thermal imaging technology |
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| CN201810142064.3A CN108419045B (en) | 2018-02-11 | 2018-02-11 | Monitoring method and device based on infrared thermal imaging technology |
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| CN108419045B (en) | 2020-08-04 |
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Effective date of registration: 20231010 Address after: Room 201, Building A, Integrated Circuit Design Industrial Park, No. 858, Jianshe 2nd Road, Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province, 311215 Patentee after: Zhejiang Huagan Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 1187 Patentee before: ZHEJIANG DAHUA TECHNOLOGY Co.,Ltd. |