CN104748863A

CN104748863A - Infrared analysis area setting device and infrared analysis area setting method

Info

Publication number: CN104748863A
Application number: CN201410848326.XA
Authority: CN
Inventors: 王浩
Original assignee: Hangzhou Mission Infrared Electro Optics Technology Co Ltd
Current assignee: Hangzhou Mission Infrared Electro Optics Technology Co Ltd
Priority date: 2013-12-29
Filing date: 2014-12-29
Publication date: 2015-07-01

Abstract

The invention discloses an infrared analysis area setting device and an infrared analysis area setting method, and relates to the application field of thermal image analysis. A thermal image device in the prior art is used for shooting a thermal image of a shot object and setting an analysis area dependent of the subjective experience of a user in the process of shooting, therefore the thermal image device is tedious to operate. According to the infrared analysis area setting device and the infrared analysis area setting method provided by the invention, information relevant to the shot object of a special shot body in the shot infrared thermal image can be detected, and the analysis area can be automatically set. Therefore, the technical requirements of a user can be reduced, the precision of the analysis area is high, and the working intensity can be reduced.

Description

Infrared analysis area setting device and infrared analysis zone approach

Technical field

Infrared analysis area setting device of the present invention and infrared analysis zone approach, relate to the application of thermography analysis.

Background technology

When thermography analysis, for obtaining the analysis data to subject thermal imagery, often need to arrange analyzed area to thermal-image data frame, the position of corresponding subject thermal imagery Water demand, the combination in one or more regions such as analyzed area such as point, line, surface.

But the setting of analyzed area, if by manually completing, operates very loaded down with trivial details; Current operation steps is generally the composition data in first selection analysis region, such as point, line, surface; Then, analyzed area is arranged in infrared thermal imagery, and adjusts the location parameter that analyzed area is arranged in infrared thermal imagery; During as arranged multiple analyzed area, by setting operation repeatedly.

Manually arrange the operation of analyzed area, technical requirement is very high; Because for subject thermal imagery, there is very strict requirement at position etc. corresponding to analyzed area, needs user to have subject thermography analysis very strong professional; Such as, in power industry, according to the regulation of power industry specification, various subject such as switch, lightning arrester, cable termination etc. all have the position of particular analysis, for the analysis of cable termination, wherein need the predetermined portion of the upper and lower to its body sleeve, analyzed area is set; If analyzed area is not accurately arranged on above-mentioned position, then cannot obtain correct analysis data.And the subject kind of infrared detection that needs that power industry relates to reaches tens kinds, divide according to different electric pressures, thousands of types may be reached, exacerbate technical difficulty wherein.

And, in application deep further, the sizes of analyzed area etc. also have strict requirement, because the analyzed area of different size, even if be arranged on identical position, its analysis result also may be different, what such as arrange is too little, likely miss crucial position scope, as too large in what arrange, then likely cause easily being disturbed factor impact.

In more deep application, also to the numbering of analyzed area, have the requirement of specification, otherwise the same area of similar subject, if the analyzed area being provided with different numbering, then follow-up being difficult to carries out contrast each other.

And for the subject thermal imagery that very eurypalynous subject shooting obtains, as meticulous analysis result will be pursued, need to arrange more analyzed area, at this moment, operate very loaded down with trivial details fallibility.

In addition, even if sophisticated user, the thermal imagery due to shooting might not meet the requirement analyzed, and at this moment, even if carried out careful setting, also may not necessarily obtain satisfied analysis result.At present, because setting operation during shooting is too loaded down with trivial details and technical too strong, for a lot of user, shooting work and the follow-up of analyzed area of thermal imagery arrange work, are often completed by different personnel, also exacerbate this situation.

To sum up, prior art needs manually to arrange analyzed area corresponding to subject thermal imagery, needs to rely on the subjective experience of user, and it is large etc. that its drawback can be summarized as complex operation, technical difficulty.

Therefore, understand and need a kind of infrared analysis area setting device, it can reach without the need to depending on the subjective idea of user unduly, can arrange analyzed area easily, solves prior art problem.

Summary of the invention

The invention provides a kind of infrared analysis area setting device and infrared analysis zone approach, based on the thermal-image data frame obtained, detect provisioning information relevant with specific shot body heat picture in described thermal-image data frame; According to the provisioning information detected, analyzed area can be set; Thus, require to reduce to the technique for taking of user, arranging conveniently of analyzed area.

For this reason, by the following technical solutions, infrared analysis area setting device, comprising in the present invention:

Acquisition unit, for obtaining thermal-image data frame;

Test section, for the thermal-image data frame based on acquisition, the provisioning information relevant with specific shot body heat picture;

Analyzed area configuration section, for the provisioning information of specific shot body heat picture detected according to test section, carries out the configuration of analyzed area.

Analyzed area setting unit, for the provisioning information of specific shot body heat picture detected according to test section, carries out the setting of analyzed area.

Infrared analysis zone approach of the present invention, comprising:

Obtaining step, for obtaining thermal-image data frame;

Detecting step, for the thermal-image data frame based on acquisition, the provisioning information relevant with specific shot body heat picture;

Analyzed area configuration step, for the provisioning information of specific shot body heat picture detected according to detecting step, carries out the configuration of analyzed area.

Analyzed area setting steps, for the provisioning information of specific shot body heat picture detected according to detecting step, carries out the setting of analyzed area.

Other aspects of the present invention and advantage are set forth by instructions below.

Accompanying drawing illustrates:

Fig. 1 is the block diagram of the schematic configuration of the thermal image device 100 representing embodiment 1.

Fig. 2 is the external form figure of the thermal image device 100 of embodiment 1.

Fig. 3 is the schematic diagram of the subject information, subject identifying information, analyzed area etc. stored in embodiment 1 storage medium.

Fig. 4 is the schematic diagram of detection window.

Fig. 5 is the schematic diagram that multiple detection window detects.

Fig. 6 is the indication example that the analyzed area of embodiment 1 is arranged.

Fig. 7 is the control flow chart representing embodiment 1.

Fig. 8 is the example representing the analyzed area that various ways is arranged.

Fig. 9 represents the evaluation of estimate of embodiment 2, embodiment 3 and the table of comparisons schematic diagram of analyzed area configuration information corresponding relation.

Figure 10 is the control flow chart representing embodiment 2.

Figure 11 is the analyzed area indication example that embodiment 2 is arranged.

Figure 12 is the indication example that another analyzed area of embodiment 2 is arranged.

Figure 13 is the control flow chart representing embodiment 3.

Figure 14 is the indication example that the analyzed area of embodiment 3 is arranged.

Figure 15 is the control flow chart representing embodiment 4.

Embodiment

To describe exemplary embodiments of the present invention with reference to the accompanying drawings in detail now.Note, the embodiment that below will illustrate for understanding the present invention better, and does not limit the scope of the invention, and can change the various forms in the scope of the invention.

Embodiment 1

The thermal image device 100 of embodiment 1, based on the thermal-image data frame being taken acquisition by shoot part 1, detect the degree of correlation between the thermal-image data frame of acquisition and subject identifying information successively, when detecting, there is specific shot body heat picture, thermal image device 100, based on the detected provisioning information relevant with specific shot body heat picture, arranges analyzed area.

Fig. 1 is the block diagram of the schematic configuration of the thermal image device 100 as infrared analysis area setting device example representing embodiment 1.

Specifically, thermal image device 100 has shoot part 1, interim storage part 2, flash memory 3, communication I/F4, storage card I/F5, storage card 6, image processing part 7, test section 8, display control unit 9, display part 10, control part 11, operating portion 12, control part 11, by controlling to be connected with above-mentioned appropriate section with data bus 13, are responsible for the overall control of thermal image device 100.

Shoot part 1 is made up of not shown optics, lens driving parts, infrared eye, signal pre-processing circuit etc.Optics is made up of infrared optics lens, for will receive focus IR radiation to infrared eye.Lens driving parts drive lens to perform focusing or zoom operation according to the control signal of control part 11.In addition, also can be the optics of manual adjustments.Infrared eye, as refrigeration or the infrared focal plane detector of non-brake method type, is converted to electric signal the infrared radiation by optics.Signal pre-processing circuit comprises sample circuit, A/D convertor circuit, timing trigger circuit etc., the electric signal exported from infrared eye is carried out the signal transacting such as sampling within the cycle of regulation, change through A/D convertor circuit, obtain the thermal-image data frame of numeral, the thermal imagery AD Value Data that this thermal-image data frame comprises is such as the binary data of 14 or 16 etc.; Thermal-image data frame is not limited to infrared eye intrinsic resolution, also can below or above infrared eye resolution.Thermal-image data frame obtains after being not limited to the simulating signal predetermined processing of infrared eye output, such as, also can obtain according to the digital signal of infrared eye therein output.In embodiment 1, shoot part 1 as acquisition unit, for obtaining thermal-image data frame.

Thermal-image data frame, is not limited to comprise thermal imagery AD Value Data; Such as also can comprise the view data of infrared thermal imagery, such as, also can comprise the array data of temperature value, or other data etc. generated based on thermal imagery AD Value Data.So-called thermal-image data frame is to comprise thermal imagery AD Value Data hereinafter.

Interim storage part 2 is as volatile memory such as RAM, DRAM, the interim memory buffer stored is carried out as the thermal-image data frame exported shoot part 1, such as be repeated below process, be about to the thermal-image data frame interim store predetermined time obtained, and when obtaining new frame by described acquisition unit, after deleting old frame, store new thermal-image data frame; Meanwhile, the working storage as image processing part 7, test section 8, control part 11 etc. works, and is temporarily stored into the data of row relax.

Flash memory 3, stores the program for controlling, and the various data used in each several part control.In the present embodiment, as shown in Figure 3, be stored in flash memory 3 with the data calculating the degree of correlation, arrange analyzed area etc. relevant, such as, store the database of subject identifying information, such as, also can data file etc. in the specific format store.Table as shown in Figure 3, by the mutual corresponding stored of composition data of the judgment value of the subject information of each subject, subject identifying information, regulation, analyzed area; In the present embodiment, also stored for the assigned position relation (not shown in the table of Fig. 3) between analyzed area and subject identifying information, relation such as analyzed area in assigned position is arranged in the location parameter of template, as base position, as base position, size, as base position, size, the anglec of rotation; Such as analyzed area is arranged in the location parameter with characteristic quantity corresponding region, as base position, as base position, size, as base position, size, the anglec of rotation.

Subject information is the information relevant with subject, such as represent the information of subject place, type, numbering etc., the subject indication information generated should allow user can debate the captured subject known and understand, in addition, the various information such as resume, build date, term of life that can comprise the relevant ownership unit of subject, classification grade (as electric pressure, important level etc.), model, manufacturer, performance and characteristic, the shooting in past or maintenance can also be exemplified.Adopting the embodiment of subject information association subject identifying information, is preferred mode, can prepare various applicable subject information according to the difference of application.Such as power industry, preferably, subject information is the cognizable identity information representing subject of user, as represented subject place, type, separate information; But also can be the information representing subject type.Obviously, subject identifying information is not limited to and subject information association.

So-called subject identifying information, such as relevant with calculating the degree of correlation template, characteristic quantity etc.; So-called subject identifying information can be such as the template for template matches; It also can be such as the characteristic quantity that parameter describes.Described template such as template image, such as each pixel is the template etc. of temperature value data.So-called characteristic quantity is as represented the features such as point, line, surface in specific region, such as, for the value determined according to the state of the pixel comprised in detection window, as central point, area etc. for the ratio of the established part pixel in particular detection window, the mean value of pixel value, the profile of specific shot body.Such as, in Fig. 3, the subject identifying information of subject 1 correspondence is template image 301, and the subject identifying information of subject 2 correspondence is characteristic quantity 302.In a particular application, the combination of one or more subject identifying information modes can according to circumstances be selected.

So-called judgment value, such as by detects the value of the degree of correlation of acquisition, contrast with judgment value, judge whether that there is specific shot body heat picture.Preferably, the judgment value of regulation is corresponding with subject identifying information to be in advance stored in flash memory 3, but also can adopt other modes to prepare, as the judgment value that user is arranged temporarily.

The composition data of so-called analyzed area, be used for arranging analyzed area, as represented the data of point, line, surface, it can be such as vector figure data, also can be such as dot matrix image data, the composition data of analyzed area can comprise the information such as the numbering of analyzed area, comprises when analyzed area is made up of multiple analyzed area, the number information etc. of each analyzed area.

Communication I/F4 be such as according to USB, 1394, the communication specification such as network, thermal image device 100 and external device (ED) are carried out being connected and the interface of exchanges data, as external device (ED), such as, can enumerate personal computer, server, PDA (personal digital assistant device), other thermal image device, visible ray filming apparatus, memory storage etc.

Storage card I/F5, as the interface of storage card 6, on storage card I/F5, be connected with the storage card 6 as rewritable nonvolatile memory, be arranged in the draw-in groove of thermal image device 100 main body detachably, according to data such as the control record thermal-image data frames of control part 11.

The process of image processing part 7 for specifying the thermal-image data frame obtained by shoot part 1, such as it is when Displaying timer arrives at every turn, from the thermal-image data frame of stipulated time being temporarily stored in described interim storage part 2, select and read the frame of each specific time interval; The process of image processing part 7, as correction, interpolation, pseudo-coloured silk, synthesis, compression, decompress(ion) etc., carries out being converted to the process being suitable for showing and using, record the data such as use.Image processing part 7 such as can adopt DSP or other microprocessor or programmable FPGA etc. to realize, or, also can be integrated with the processor of test section 8, control part 11.

Image processing part 7 obtains the view data of infrared thermal imagery for the process thermal-image data frame obtained being implemented to regulation.Specifically, such as, image processing part 7 carries out the predetermined processing such as Nonuniformity Correction, interpolation to the thermal-image data frame that shooting obtains, and then carries out the view data that Pseudo-color technology obtains infrared thermal imagery; A kind of embodiment of Pseudo-color technology, such as determine the color table scope of corresponding puppet according to the AD value scope of thermal-image data frame or the setting range of AD value, using the view data of concrete color value corresponding in pseudo-colored steel scope for thermal imagery AD Value Data as its respective pixel position in infrared thermal imagery.

Test section 8, based on the thermal-image data frame obtained, can carry out relatedness computation according to subject identifying information; Such as, test section 8 is based on the control of control part 11, the thermal-image data frame obtained can be taken by reading the shoot part 1 stored in interim storage part 2, or the thermal-image data frame of shooting acquisition carries out the data of predetermined processing acquisition, the view data of the infrared thermal imagery that such as Pseudo-color technology obtains, the check processing of the degree of correlation between the subject identifying information performing and register.Thermal-image data frame, is not limited to shooting and obtains, such as, also can receive outside thermal-image data frame and obtain, such as, also can read thermal imagery file etc. and obtain from storage medium.

Test section 8 comprises feature registration unit, detection window setting unit, detecting unit, judging unit (not shown).

Feature registration unit, for registering for the relevant subject identifying information of relatedness computation.Subject identifying information can be registered according to the subject identifying information prestored in storage medium; Such as, according to the subject identifying information of the subject information association of the selection of user, register with the subject identifying information relevant with relatedness computation.In addition, also can specify subject identifying information by user, such as, by the infrared thermal imagery from display, subject region can be specified to obtain subject identifying information, such as, obtain template image.The subject identifying information registered such as is stored in the assigned position of interim storage part 2, or distinguishes with mark and other subject identifying informations stored when storing.

Detection window setting unit, for arranging detection window, based on thermal-image data frame or particular detection region wherein, can arrange one or more detection window.Such as according to the surveyed area (G1 as in Fig. 5) of certain limit, in this surveyed area G1, multiple detection window is set, it can be the detection window of multiple different size, also can be the detection window after a nearly step tilts, usually can preset the size, inclination etc. of detection window according to the requirement of shooting quality; As shown in Figure 4, wherein Fig. 4 (a) detection window that is standard, Fig. 4 (b) is the detection window according to minification, the detection window that Fig. 4 (c) is arranged for up-sizing, and Fig. 4 (d) is for angular slope according to the rules and the detection window arranged.In order to equal the size of detection window, template image is to reduce or to amplify or the state that also tilts is used herein, or, also can to prepare and sizes of memory equals the template image of window size in order to using.In addition, also can by the thermal-image data in detection window to reduce or to amplify or the state that also tilts is used, with corresponding templates image.Detection window is not limited to square, also can be other shape, such as, can determine according to the shape of template image.

Surveyed area such as can be arranged according to shooting custom by user, and the position can specified according to user and size arrange one or more surveyed area; Also can be such as prestore as with subject information association etc.; In addition, also can not arrange specific surveyed area, the scope namely giving tacit consent to thermal-image data frame is surveyed area.

For the application of infrared detection, it is similar such as, to be flooded with a large amount of profile in transformer station, but the equipment that title is different, for avoiding misleading user and shooting by mistake, preferably surveyed area is set.Overlapping display surveyed area on infrared thermal imagery, user is easy to the approximate location, size etc. of understanding captured subject thermal imagery, is convenient to take reference.But surveyed area also can not show.Preferably, by the information to arrange in the relevant surveyed area of check processing, detection window etc., together with subject identifying information, be associated with subject information.

Detecting unit, by read thermal-image data frame, based on the thermal-image data in the detection window set by detection window setting unit, such as, comparing with subject identifying information, obtaining the value of the degree of correlation for evaluating similar degree.When being provided with multiple detection window, such as, will can wherein detect the value of the maximum relation degree of acquisition, as the value of the degree of correlation of this thermal-image data frame.

Judging unit, by the value of the degree of correlation, judgment value according to the rules judges, determines whether specific shot body heat picture to be detected; Such as, the value of the degree of correlation of the similar degree between representative and template image, when having exceeded judgment value, is judged as this frame the frame including specific shot body heat picture, specific shot body heat picture namely detected.

The check processing of test section 8 can be the detection mode based on template matches, carries out the calculating of the degree of correlation and compare based on the thermal-image data in detection window with template image; Such as, calculate infrared thermal imagery in detection window and as the mutually corresponding position of the infrared thermal imagery of template pixel between difference and, the difference calculated and less, the degree of correlation is higher.Wherein, the process of template matches, also can be configured to and extracts characteristic quantity and carry out the embodiment that mates, utilizes the characteristic quantity of the thermal-image data in the characteristic quantity of template image and detection window, therebetween relatively determine the degree of correlation.Such as, extract the ratio of the specific pixel of the subject image in detection window, more close with the ratio of the specific pixel in template image, the difference calculated is less, and the degree of correlation is higher.

The check processing of test section 8, based on the detection embodiment of the characteristic quantity that parameter describes.Such as, the characteristic quantity obtaining thermal-image data in detection window can be calculated, as the value of the degree of correlation according to subject identifying information; Such as, subject identifying information also can comprise characteristic quantity reference value, and the computing can carrying out specifying to obtain the characteristic quantity of the thermal-image data in detection window, and compares with characteristic quantity reference value, obtains the value of the degree of correlation; In one example, described characteristic quantity reference value is the determined pixel ratio of particular pixel values, and detecting unit calculates the pixel ratio of particular pixel values in thermal-image data, and the two compares, and obtains the value of the degree of correlation, and the difference calculated is less, and the degree of correlation is higher.By the value of the degree of correlation, compare with judgment value, determine whether specific shot body heat picture to be detected.

Preferred mode, adopt contour images as the template image of coupling, test section 8 such as detects in thermal-image data frame whether have specific shot body by following process; First, test section 8 extracts the thermal-image data being arranged in detection window, carries out binaryzation according to the reservation threshold of AD value to the thermal-image data in the detection window read; Then, the Contiguous graphics that the pixel with predetermined pixel value (1 or 0) extracting this bianry image is connected; Then judge whether this Contiguous graphics has the size of preset range; If judge that the size of this Contiguous graphics is in preset range, then a nearly step performs and compares process between the Contiguous graphics extracted and registered template image, such as calculate the ratio sum of overlapping area in the respective total area therebetween, obtain the value of the degree of correlation; This numerical value is larger, then the degree of correlation is higher; By the value of the degree of correlation, judgment value according to the rules judges, determines whether specific shot body heat picture to be detected.

For the example detected, as shown in Figure 5, test section 8 from the upper left corner of the regulation surveyed area G1 of thermal-image data frame 501 to lower right corner moving window J1 to detect, the thermal-image data in cutout window, and the degree of correlation detecting itself and template image T1.Specifically, window J1 moves with the window shifts of setting (such as a pixel) to the right step by step from left end, and after arrival right-hand member, is set up and returns left end and move down window shifts, and again move right step by step subsequently.For detecting subject accurately, the transformation range at the angle of inclination of the window size detected, window shifts, window is predefined, the variation range of such as window size is from 150 × 50 pixels to 120 × 40 pixels, the variation range of window shifts is from 10 pixels to 1 pixel, and the variation range at the angle of inclination of window is 0 ° to 10 ° based on central point.Successively, each 5 pixels ground changes window size to test section 8, and each 1 pixel ground changes window shifts, and each 2 ° of ground change window angle of inclination.Test section 8 carries out the relatedness computation of template image T1 and thermal-image data frame 501; After the detection completing all detection windows, the value of the degree of correlation therefrom selecting the highest detection window of the degree of correlation to obtain, as the value of the degree of correlation of this thermal-image data frame 501 correspondence.

Note, based on subject identifying information, can calculate the various methods of the degree of correlation, the above-mentioned process exemplified is only can the example of using method.

Display control unit 9, the view data for the display stored by interim storage part 2 is presented at display part 10.Such as, the infrared thermal imagery of the thermal-image data frame generation that shooting obtains can be shown continuously, various set information can be shown.Specifically, display control unit 9 has VRAM, VRAM control module, signal generation unit (not shown) etc., and, signal generation unit is under the control of control part 11, view data (read from interim storage part 2 and be stored into the view data of VRAM) is regularly read from VRAM, generation vision signal exports, and is presented at display part 10.In thermal image device 100, display part 10 is such as liquid crystal indicator.Be not limited thereto, display part 10 can also be other display device be connected with thermal image device 100, and can not have display part in the electrical structure of thermal image device 100 self.

Detect specific shot body heat as time can notify; The position etc. of specific shot body heat picture is such as indicated in the mode in display analysis region; In addition the infrared thermal imagery reduced that the thermal-image data frame such as showing maximum relation degree in the stipulated time obtains, or also notify along with modes such as word, color, flicker changes.

Preferably, the information of the degree of correlation can be shown; The information of the degree of correlation, such as can by the value of the degree of correlation, detect that the result etc. of specific shot body heat picture is scaled, signal matching degree be convenient to user understand information, show; Such as the value of the degree of correlation is scaled percent value; In one example in which, the ratio sum in the respective total area by extracted specific shot body profile and profile T1 overlapping area, divided by 200%, can be scaled the percent value of the degree of correlation, the value of the degree of correlation is scaled percent value.Also according to the table of comparisons of the regulation of the value of the degree of correlation and number percent, can convert; Also can adopt other modes, such as, directly show check processing and calculate the value of the degree of correlation obtained, in one example in which, the difference of direct display pixel value and numerical value etc.For ease of illustrating, hereinafter, the percent value value of the degree of correlation, evaluation of estimate etc. converted exemplarily, but must not be converted into percent value in reality.

Control part 11 controls the action of the entirety of thermal image device 100, stores the program for controlling in storage medium such as flash memory 3, and the various data used in each several part control.Control part 11 is such as realized by CPU, MPU, SOC, programmable FPGA etc.

In the present embodiment, control part 11 as the example of selection portion, for selecting subject information; Such as according to the selection of user to subject indication information, select the subject information that described subject indication information is corresponding.

In addition, control part 11 possesses analyzed area setting unit 11A, according to the testing result of test section 8, can arrange analyzed area.Such as, when test section 8 detects specific shot body heat picture, according to detected provisioning information, analyzed area can be set; So-called provisioning information, at least comprises the information of a kind of or combination in any in the value of the position of specific shot body heat picture, size, angle of inclination, the degree of correlation.

Such as, according to location parameter specific shot body heat picture being detected, analyzed area can be set; In one example in which, will detect and the detection window, template image etc. of specific shot body heat picture will be set to analyzed area.

Preferably, in the present embodiment, according to the composition data of the analyzed area of subject identifying information association, the composition data of analyzed area is determined; Based on the assigned position relation between subject identifying information and analyzed area, and the location parameter of specific shot body heat image position in thermal-image data frame, the location parameter that analyzed area is arranged in thermal-image data frame is set.

According to the location parameter of specific shot body heat picture, the location parameter of analyzed area is set; According to the composition data of the different analyzed area such as point, line, surface (as circle, frame etc.), the location parameter of analyzed area, such as only can comprise position (as point), such as, comprise position and size, such as, comprise position, size, the anglec of rotation.Preferably, such as, according to the position of specific shot body heat picture, size, angle of inclination, the position of analyzed area (as point) is set, or the position of analyzed area (as frame), size or also comprise the anglec of rotation.Such as, but what be not limited to arrange in the location parameter of analyzed area is whole, also can be part wherein, arrange the position of analyzed area (as frame) according to the position of subject thermal imagery, and its size and anglec of rotation etc., be the parameter of acquiescence.

In addition, in another embodiment, can to regulation calculating object according to the rules computation rule calculate, based on detecting the location parameter of provisioning information such as subject thermal imagery obtained, analyzed area is set.Wherein, regulation calculating object, such as, thermal-image data in detection window, template image, detection window, to have in other objects (as having the analyzed area of assigned position relation) of assigned position relation one or more with subject identifying information; Described regulation computation rule, at least comprise regulation calculating object is sheared, feature extraction (such as extracting regulation as the character pixel, edge extracting etc. of numerical range), convergent-divergent, distortion, segmentation, decile, calculating outsourcing rectangle, calculate inscribe rectangle, computing center's line, calculate unique point, calculate in envelope, calculate in enveloping outer enclosure one or more; In storage medium, parameter corresponding to regulation computation rule (such as based on the parameter of central point convergent-divergent: based on central point, zoom ratio) can be prestored, or be configured by user.

With reference to the example of the analyzed area that figure 8 exposed installation is put.

Shown in figure 8 (a), by the composition data of the analyzed area F1 associated by template T1, the location parameter of the position, size etc. of template T1 is arranged in, the analyzed area F1 arranged (comprising analyzed area S01, S02) according to analyzed area F1.

Shown in figure 8 (b), using template T2 as calculating object, using central point as basic point, after carrying out convergent-divergent and distortion, the analyzed area F2 of acquisition; Can be used for the Temperature Distribution in regulation region on analytical calculation subject thermal imagery body, reduce the impact of surrounding environment on assessment.

Shown in figure 8 (c), using template T3 as calculating object, carry out the analyzed area F3 that 8 grades divide setting; Can be used for the heterogeneity phantom of labor subject body different piece.When the analyzed area arranged comprises multiple analyzed area, as required, automatic numbering can be carried out, as analyzed area F3 comprises the analyzed area F01-F08 of numbering.

With reference to figure 8 (d), detection window is set to analyzed area F4; Can be used for the maximum temperature of analysis to measure subject, the impact of the high temp objects in background can be reduced.Note: T4 is template image data.

With reference to figure 8 (e), the thermal-image data TU5 in detection window is carried out edge contour extraction, the analyzed area F5 of the edge contour of acquisition, can be used for the maximum temperature of analysis to measure subject, the impact of the high temp objects in background can be reduced.

With reference to figure 8 (f), template image TU6 is extracted the pixel of more than prescribed threshold, the analyzed area F6 of acquisition, can be used for carrying out analytical calculation to subject characteristic portion.

In addition, the evaluation of estimate etc. that also can obtain according to the provisioning information detected and/or provisioning information, with the corresponding relation of analyzed area, arranges analyzed area; Detailed in Example 2, embodiment 3.Adopt the set-up mode of any analyzed area can configure according to the object of infrared detection.

Operating portion 12: carry out various instruction operation for user, or input the various operations such as set information, control part 11, according to the operation signal of operating portion 12, performs corresponding program.With reference to figure 2, operating portion 12 is described, the button providing user to operate has that record key 01, focusing key 02, acknowledgement key 03, playback key 04, menu are strong 05, directionkeys 06 etc.; In addition, touch-screen 07 or speech recognition component (not shown) etc. also can be adopted to realize the operation of being correlated with.

The change of the display interface in shooting process is described with reference to figure 6, the control flow of the detecting pattern of thermal image device 100 is described see Fig. 7, the subject of this application scene thermal image device 100 pairs of transformer stations as hand-held in user is taken.After switching on power, control part 11 carries out the initialization of internal circuit, then enter screening-mode, namely shoot part 1 is taken and is obtained thermal-image data frame, the thermal-image data frame that shoot part 1 is taken acquisition by image processing part 7 carries out the process specified, be stored in interim storage part 2, display part 10 shows infrared thermal imagery continuously with dynamic image form, in this state, control part 11 is implemented it and is controlled, whether persistent surveillance has been switched to the process of other patterns according to scheduled operation or has carried out power-off operation, if had, then enters corresponding processing controls.The rate-determining steps of detecting pattern is as follows:

In steps A 01, feature registration unit registration subject identifying information.Such as, control part 11 is based on the table stored in flash memory 3, the subject indication information that subject information generates is presented at display part 10, when user is according to the subject " subject 1 " of floor, selected " subject 1 " shown on display part 10 by operating portion 12, according to the subject identifying information that " subject 1 " associates, feature registration unit determines the subject identifying information of check processing, from flash memory 3, read template image 301, be sent to interim storage part 2.

Steps A 02, obtain thermal-image data frame, thermal-image data frame shoot part 1 being taken acquisition is sent to interim storage part 2;

Steps A 03, read the thermal-image data frame such as obtained by shoot part 1 shooting immediately in interim storage part 2, detection window setting unit, arranges detection window.Such as, based on the upper left corner of the surveyed area G1 of regulation, first detection window is provided with;

Steps A 04, to the thermal-image data in detection window, based on subject identifying information, carries out the process of relatedness computation.

Test section 8, based on the detection window set by detection window setting unit, extracts the thermal-image data being arranged in this detection window, according to the template that feature registration unit is registered, calculates the degree of correlation therebetween.Such as, according to the thermal-image data in detection window, the profile of the specific shot body heat picture of extraction, with the silhouette contrast of contour images T1 (template image 301 obtains), calculates the ratio sum of overlapping area in the respective total area therebetween.

Further, in steps A 05, the value of the degree of correlation obtained is stored.

In steps A 06, when test section 8 judges to arrange detection window in thermal-image data frame, whether calculate the degree of correlation for all detection windows.If residue does not also calculate the region (being no in steps A 06) of the degree of correlation, get back in steps A 03, detection window setting unit is in a predetermined direction by the position of detection window skew intended pixel number, this position is set to the next position of detection window, and repeats follow-up process.

In addition, from thermal-image data frame, search is with like template class during part, for amplify and reduce and detection window after predetermined angular that detection window is tilted time, also carry out the check processing of similar above-mentioned explanation.

If calculate the degree of correlation (being yes in steps A 06) for all detection windows that will arrange in thermal-image data frame, then in steps A 07, obtain the value of the maximum relation degree detected and the location parameter of corresponding detection window.

Further, in steps A 08, if the degree of correlation is less than the judgment value of regulation, then test section 8 judges specific shot body heat picture not detected, to steps A 10, as shown in Fig. 6 (a), owing to the subject thermal imagery of coupling not detected in surveyed area G1, then analyzed area is not set.When the degree of correlation detected in steps A 08 is greater than the judgment value of regulation, then enter steps A 09.

Steps A 09, after the thermal-image data frame with specific shot body heat picture being detected, arranges analyzed area F1 according to the position of the maximum detection window B1 of the degree of correlation, size; Analyzed area F1 as shown in Fig. 6 (b).

Specifically, as according to the composition data (f1 composition data) with the analyzed area of template 301 association store, the composition data of analyzed area is determined; According to the assigned position relation of analyzed area F1 and template 301, detection window B1 is arranged in position and the size of this thermal-image data frame, determines the location parameter of analyzed area; After carrying out the process such as corresponding convergent-divergent, analyzed area F1 is arranged to this thermal-image data frame, comprises analyzed area S01, S02.

In addition, the location parameter of the position, size, angle of inclination etc. of detected specific shot body heat picture, be not limited to the location parameter of detection window, such as, the feature of the thermal-image data in further extraction detection window, such as extract subject profile, obtain more accurate location parameter, analyzed area can be set according to this location parameter.

By the location parameter of the composition data of analyzed area corresponding for set analyzed area and analyzed area, the regulation region at interim storage part can be associated with storing; Be convenient to the process such as display, analysis, record.

Steps A 10, judges whether to exit, and as exited, then terminates, and as do not exited, then getting back to steps A 02, repeating above-mentioned process.Like this, to the thermal-image data frame that continuous shooting obtains, when the thermal-image data frame of the degree of correlation higher than the judgment value of regulation being detected, Lookup protocol analyzed area can be carried out according to the subject thermal imagery detected.

Like this, the morphological feature that user just not must pass through artificial subjective judgement subject thermal imagery manually arranges analyzed area, can reach the workload alleviating analyzed area setting operation, the beneficial effect reducing technical difficulty that analyzed area arranges, be convenient to arrange analyzed area accurately, avoid taking error location, angle etc.

It may be noted that the check processing that test section 8 carries out based on the thermal-image data frame that acquisition unit obtains continuously, such as, all can carry out check processing successively to the thermal-image data frame obtained continuously, the thermal-image data frame that such as also only can read predetermined distance carries out check processing; Such as, carry out process such as reducing, sparse before also the thermal-image data in the thermal-image data frame read or detection window being detected; With this, check processing burden can be alleviated.

Further, set analyzed area, does not limit and is applied to and will detects this thermal-image data frame of subject thermal imagery, can be used for the process such as analysis, record of the thermal-image data frame of the new acquisition of such as stipulated time yet.When interim storage part 2 is the thermal-image data frame storing multiframe part, even can be used for the thermal-image data frame had detected by analyzing before the sequential of the thermal-image data frame of specific shot body heat picture.

In addition, to whether specific subject thermal imagery being detected, the value of the degree of correlation and comparing between judgment value is not limited to; Such as also can be replaced, according to detecting the provisioning information obtained and/or the evaluation of estimate obtained based on provisioning information, with the comparative result of corresponding judgment value, as foundation specific shot body heat picture whether being detected.Described provisioning information, at least comprises the information of a kind of or combination in any in the value of the position of specific shot body heat picture, size, angle of inclination, the degree of correlation.Like this, such as the optimum position, size etc. of the prior good subject thermal imagery of specification, can improve the shooting quality of subject thermal imagery, thus improve the validity that analyzed area is arranged, the beneficial effect improving shooting quality etc. further.

As mentioned above, in embodiment 1, as set the surveyed area of regulation, can accelerate the speed detected, it can be convenient to as shown the scope that user understands shooting; When specific shot body heat picture being detected, can Lookup protocol analyzed area; Wherein, when according to detect the position of specific shot body heat picture, size (or position, size, angle of inclination), based on the composition data of the analyzed area of subject identifying information association, and the assigned position relation between analyzed area and subject identifying information, analyzed area is set, analyzed area very accurately can be set; Can be beneficial to the process such as next step storage, analysis and operation, solve the problem of prior art, if analyzed area shows, user observes this analyzed area, just knows to have taken satisfactory subject thermal imagery; The operation easier significantly reducing and analyzed area is set can be reached, improve the beneficial effect of analysis precision.Common user easily grasps this shooting technical ability.Embodiment 1 is preferably embodiment, and certainly, the arbitrary product implementing embodiments of the present invention might not need to reach above-described all advantages simultaneously.

Embodiment 2

In embodiment 2, analyzed area being set according to detecting the provisioning information obtained, according to detecting the different provisioning information obtained, identical or different analyzed area can being set; Such as can the evaluation of estimate that obtains of information and/or provisioning information according to the rules, with the corresponding relation of analyzed area, the analyzed area of corresponding analysis effect and/or display effect is set; Provisioning information, at least comprises the value of the position of specific shot body heat picture, size, angle of inclination, the degree of correlation, the information of a kind of or combination in any wherein.

Such as can one or more according to the rules in information, and/or the evaluation of estimate of one or more acquisition in provisioning information, with the corresponding relation of analyzed area, the analyzed area of corresponding analysis effect and/or display effect is set; Wherein, can one or more according to the rules in information, with, the evaluation of estimate of one or more acquisition identical or different in provisioning information, the two corresponding relation with analyzed area, arranges corresponding analyzed area, has the provisioning information of direct corresponding relation with analyzed area, provisioning information with for obtaining evaluation of estimate, can comprise identical or different information.

According to the different provisioning informations detected, the analyzed area of corresponding analysis effect and/or display effect, can represent identical or different analytical effect, and/or, the analyzed area of identical or different display effect.

The analyzed area of different analytical effect, such as, can comprise the composition data of analyzed area, location parameter that analyzed area is arranged in thermal-image data frame, the difference of one of them.The analyzed area of different display effects, such as, can comprise the difference of one of color, linear, thickness, transparent rate, content, blink states, brightness, composition data, size.

In infrared detection field, owing to considering the difference at the position of subject thermal imagery in infrared thermal imagery, size, angle of inclination etc., corresponding different shooting quality; Therefore, preferably, be arranged in the factor such as position, size, angle of inclination of thermal-image data frame according to subject thermal imagery, as the factor of analyzed area generating corresponding analysis effect and/or display effect, improve the quality of analysis.

With the corresponding relation of analyzed area, can to the corresponding relation of the one or more relevant configuration information of the location parameter of the composition data of analyzed area, analyzed area, or also comprise the corresponding relation of display parameter; Such as can be presented as the corresponding relation with analyzed area configuration information, analyzed area configuration information, the location parameter of composition data with Allocation Analysis region and/or analyzed area can be comprised, and the information that display parameter etc. are relevant.Described display parameter such as, one or more of color, linear, thickness, transparent rate, content, blink states, brightness etc.

In the present embodiment, the evaluation of estimate that obtains of information and/or provisioning information according to the rules, with the corresponding relation of analyzed area, and according to the location parameter of detected specific shot body heat picture, arranges corresponding analyzed area.

The table of comparisons of evaluation of estimate as shown in Figure 9 and analyzed area configuration information, assuming that " subject 1 " in corresponding Fig. 3, different evaluations of estimate is corresponding different analyzed area configuration information; The analyzed area that wherein evaluation of estimate 80-90% is corresponding, for detecting the detection window of maximum relation degree; Wherein evaluation of estimate 91%-100%, corresponding analyzed area, for having analyzed area F1 and the detection window of assigned position relation with template.

Comprehensive evaluation of estimate is obtained by provisioning information, such as, the different coefficient of the correspondence of the customizing messages in detected provisioning information can have been adopted, and obtained evaluation of estimate by other customizing messages in detected provisioning information in conjunction with this coefficient, such as, as shown in Figure 11, the corresponding window coefficient 0.8 of Figure 11 (a) detection window J1, and the window coefficient of Figure 11 (b) detection window J2 is 0.95, value × the window coefficient of evaluation of estimate=degree of correlation, therefore, when detect in two windows specific shot body heat that the degree of correlation is the same as time, assuming that the value of the degree of correlation is 100%, the value of the degree of correlation detected by Figure 11 (b) will be greater than the evaluation of estimate (be such as scaled 80%) of value in conjunction with detection window J1 of Figure 11 (a) degree of correlation in conjunction with the evaluation of estimate (being such as scaled 95%) of detection window J2, analyzed area configuration information corresponding to evaluation of estimate, obtain the analyzed area J1 of Figure 11 (a), and the analyzed area J2 of Figure 11 (b) and F1.The detection window of specific shot body heat picture detected, as represented this specific shot body heat picture location parameter roughly (position or also comprise size or also comprise the anglec of rotation), the location parameter of more accurate specific shot body heat picture is obtained as expected, an embodiment, the profile that can extract specific shot body heat picture further from thermal-image data corresponding to this detection window obtains, and obviously can obtain evaluation of estimate more accurately.

In addition also comprise, such as, adopt the weight shared by different information, obtain evaluation of estimate by weighting.Such as according to other factors such as in conjunction with the parameter of specific industry requirement, in conjunction with detecting the provisioning information obtained, evaluation of estimate can be obtained; Final evaluation of estimate can be obtained by various different account form.

Preferably, according to different subjects, prepare the evaluation of estimate that information according to the rules and/or provisioning information obtain in advance, and the table of comparisons between analyzed area configuration information, and with the corresponding stored such as subject information as shown in Figure 3, subject identifying information.

The control flow of the detecting pattern of the thermal image device 100 of embodiment 2 is described see Figure 10, the indication example of analyzed area is described with reference to Figure 11.

Step B01, obtains thermal-image data frame, and such as shoot part 1 is taken the thermal-image data frame obtained and is sent to interim storage part 2;

Step B02, check processing, is analogous to steps A 01 and the A03-A06 of embodiment 1, eliminates explanation;

Step B03, test section 8, obtains in thermal-image data frame, the value of the degree of correlation that the detection window of maximum relation degree is corresponding and location parameter thereof;

Step B04, if the degree of correlation obtained is less than the judgment value of regulation, then test section 8 judges specific shot body heat picture not detected, to step B06; When the degree of correlation detected in step B04 is greater than the judgment value of regulation, then enter step B05.

Step B05, the provisioning information according to detecting arranges analyzed area;

Specifically, control part 11 (has evaluation of estimate computing unit, not shown), provisioning information according to detecting obtains evaluation of estimate, such as obtain comprehensive evaluation of estimate according to following formula, the value × degree of correlation weighting coefficient of evaluation of estimate=position × position weighting coefficient+size × size weighting coefficient+angle of inclination × angle of inclination weighting coefficient+degree of correlation; Or another kind of preferred mode, the table of comparisons according to detected provisioning information and evaluation of estimate obtains evaluation of estimate.

Analyzed area setting unit 11A, according to the corresponding relation of evaluation of estimate as shown in Figure 9 and analyzed area configuration information, according to obtained evaluation of estimate, and according to the location parameter being arranged in thermal-image data frame of the specific shot body heat picture detected, corresponding analyzed area is set.

As shown in figure 11, the evaluation of estimate 80% as shown in as Figure 11 (a), arranges analyzed area J1; Evaluation of estimate 95% as shown in as Figure 11 (b), arranges analyzed area J2, analyzed area F1.

J1, J2 are wherein for be set to analyzed area by detection window, this analyzed area effectively can avoid reducing other object in background to the impact of subject thermal imagery when analyzing when analyzing, and window coefficient F1 is more careful analyzed area, be used for further careful analysis.

Can carry out showing, analyze according to the analyzed area arranged, the process such as record.

Step B06, judges whether to exit, and as exited, then terminates, and as do not exited, then gets back to step B01, repeats above-mentioned process.

Like this, to the thermal-image data frame of shooting acquisition continuously, when detect specific shot body heat that diverse location, size, the anglec of rotation, the degree of correlation combine as time, can Lookup protocol corresponding analyzed area, that can improve analyzed area arranges quality, prompting user avoid the troublesome operation that user arranges.

According to detected provisioning information, preferably, the analyzed area of different visual effect can be shown, such as, in the state of Figure 11 (a), user can understand that current not shooting obtains the subject thermal imagery of ideal effect, is convenient to the measure that user takes to take adjustment in time; When the state at Figure 11 (b), user can understand that current shooting obtains the subject thermal imagery of ideal effect; Like this, the beneficial effect alleviating shooting workload, avoid taking error location, prompting particular detection result can be reached further.

As mentioned above, in the present embodiment, owing to considering the position of specific shot body heat picture, size, angle of inclination, the information of a kind of or combination in any in the value of the degree of correlation, with the corresponding relation of analyzed area, identical or different analyzed area is set, can user be pointed out in time to be noted particular case, the technical difficulty significantly reducing shooting can be reached, improve the shooting quality of subject thermal imagery, that improves analyzed area arranges quality, avoid showing too much analysis result and increase user's workload, unnecessary analysis result is avoided to mislead the beneficial effect of user etc.Common user easily grasps this shooting technical ability.Certainly, the arbitrary product implementing embodiments of the present invention might not need to reach above-described all advantages simultaneously.

Other example, as shown in Figure 12; Test section 8, obtains the value of the degree of correlation and the location parameter of correspondence thereof of detection window set in the surveyed area of specified quantity in thermal-image data frame and distance; Further, when from multiple detection windows with predetermined distance, when detecting that the degree of correlation is greater than the judgment value of regulation, mean and multiple similar subject thermal imagery detected; According to detecting the provisioning information obtained, each self-corresponding analyzed area can be generated; User can be pointed out, avoid too much unnecessary analysis display, avoid such as decaying and the beneficial effect of coarse analysis result misleading user etc.

Embodiment 3

Embodiment 3, the provisioning information that supplementary according to the rules and/or detection obtain, arranges analyzed area.Wherein, the evaluation of estimate that evaluation of estimate, provisioning information and supplementary that the evaluation of estimate that can obtain according to the provisioning information detected, supplementary, provisioning information, supplementary obtain obtain, wherein one or more, with the corresponding relation of analyzed area, determines analyzed area.Such as supplementary according to the rules and test section 8 detect the provisioning information obtained, and obtain evaluation of estimate, according to the corresponding relation of evaluation of estimate and analyzed area, and the location parameter of specific shot body heat picture, analyzed area is set.

Described provisioning information, at least comprises the information of a kind of or combination in any in the value of the position of specific shot body heat picture, size, angle of inclination, the degree of correlation.Described supplementary, can comprise other outside provisioning information various to arranging the influential factor of analyzed area, all in its scope.Described supplementary, such as, at least comprise the information of a kind of or combination in any in assay value, environment temperature, contextual factor, wind speed, humidity, distance.

Supplementary, such as can according to the functional part comprised in thermal image device 100, or the parts (not shown) of the corresponding function be connected with thermal image device 100 obtain above-mentioned supplementary; Such as, by the assay value that analysis component obtains, described assay value is not limited to temperature value, it also can be such as the ratio of the color value in thermal imagery AD value, pseudo-color thermal imagery, specific picture numerical value, or also by these numerical value according to the rules formulae discovery obtain value etc., the assay value that analysis component obtains can for the whole pixel in thermal-image data frame or the pixel in particular analysis region; Such as, environment temperature is obtained by temperature sensor; Such as obtain humidity by hygrometer; The distance etc. of thermal image device 100 and subject is such as obtained by stadimeter.

Supplementary, such as, also can obtain according to the above-mentioned supplementary prestored in storage medium, such as, and the historical data of supplementary; Or the supplementary combined when pre-test obtains, the supplementary obtained with the contrast of the historical data of the supplementary prestored in storage medium.Such as also can carry out by user the supplementary that arranges.

In the application of infrared detection, according to the difference of above-mentioned supplementary, the quality of the thermal-image data frame obtained and significance level difference, should have different conditions to deal with the process arranging analyzed area of the thermal-image data frame of regulation; Such as, when there is the assay value of the correlative value (threshold values of such as defect) being greater than regulation in the specific shot body heat picture obtained, represent subject and there is defect, so, even if at this moment when the degree of correlation close to, also preferential more careful analysis is carried out to the thermal-image data frame that assay value exceeds standard, comparatively careful analyzed area is set, significant to infrared detection; And to not being greater than the subject thermal imagery of correlative value of regulation, simple analyzed area can being set or showing a small amount of analysis result data, in order to avoid analysis result data too much adding user observes workload.Such as consider environment temperature, background, wind speed, contextual factor (the such as otherness of background and subject thermal imagery, the heterogeneity phantom etc. of background) etc. influence factor, when the degree of correlation close to, these influence factors may cause the value of different thermal imagery quality and subsequent analysis to reduce, and different analyzed areas should be selected to reduce the impact of other influences factor interference.

Comprehensive evaluation of estimate is obtained by provisioning information and supplementary; Such as, the customizing messages in provisioning information or supplementary can have been adopted corresponding different coefficient, and obtain evaluation of estimate by other provisioning information or supplementary in conjunction with this coefficient.Or also can adopt weight shared by different customizing messages, obtain evaluation of estimate by weighting; Such as, obtain the value combining the position of specific shot body heat picture, size, angle of inclination, supplementary, the degree of correlation, the evaluation of estimate obtained, such as obtain comprehensive evaluation value according to following formula, the value × degree of correlation weighting coefficient of the weighting coefficient+degree of correlation of comprehensive evaluation value=position × position weighting coefficient+size × size weighting coefficient+angle of inclination × angle of inclination weighting coefficient+supplementary × supplementary.Or obtain evaluation of estimate according to the table of comparisons of described provisioning information and described supplementary and comprehensive evaluation value.

Then, according to the corresponding relation of evaluation of estimate and analyzed area, the such as table of comparisons of evaluation of estimate and analyzed area configuration information, arranges analyzed area.

The control flow of the detecting pattern of the thermal image device 100 of embodiment 3 is described see Figure 13, the indication example of analyzed area is described with reference to Figure 14.

Step C01, obtains thermal-image data frame, and such as shoot part 1 is taken the thermal-image data frame obtained and is sent to interim storage part 2.

Step C02, check processing, is analogous to steps A 01 and the A03-A06 of embodiment 1, eliminates explanation;

Step C03, test section 8, obtains the value of the degree of correlation and the location parameter of correspondence thereof of the detection window of maximum relation degree in thermal-image data frame;

Step C04, if the degree of correlation that the detection window of specified quantity obtains all is less than the judgment value of regulation, then test section 8 judges specific shot body heat picture not detected, to step C06; When the degree of correlation detected in step C04 is greater than the judgment value of regulation, then enter step C05.

Step C05, analyzed area setting unit 11A, according to the provisioning information that supplementary and the detection of obtained regulation obtain, arrange corresponding analyzed area.

Specifically, such as, based on the table of comparisons as shown in Figure 9, set analyzed area as shown in figure 14, in Figure 14 (a), according to evaluation of estimate 80%, arranges analyzed area J1; In Figure 14 (b), according to evaluation of estimate 95%, analyzed area J1 and analyzed area F1 is set, can to the more careful analysis of subject thermal imagery.

In one example in which, assuming that supplementary is wind speed, environment temperature etc., due to the difference of evaluation of estimate, set analyzed area F1 can reduce the interference of environment, the reflective impact of such as subject marginal surface.

In another example, assuming that take supplementary as the assay value that analysis component analysis obtains be example, first according to the evaluation of estimate that other supplementary beyond assay value and provisioning information obtain, first analyzed area (detection window) is set, when after the assay value that this analyzed area (detection window) obtains, with this assay value (maximum temperature in detection window), or generate evaluation of estimate in conjunction with other supplementary and provisioning information etc., decide the final analyzed area arranged.Wherein, such as can be configured to through repeatedly such processing procedure: " step S1; obtain evaluation of estimate or assay value; as information and supplementary obtain evaluation of estimate according to the rules, step S2, according to the corresponding relation in the table of comparisons, arranges analyzed area; step S3 obtains assay value; return step S1 and repeat step S1-S3 ", thus, until arrange final analyzed area.

Such as, for the process in Figure 14, the evaluation of estimate that analyzed area setting unit 11A obtains according to other supplementary beyond assay value and provisioning information, analyzed area (detection window) is set, then according to the comparison (or search the corresponding table of comparisons) of obtained assay value with the correlative value of regulation, determine whether again to arrange analyzed area, corresponding judgment value be 40 DEG C the decision threshold of temperature exceeding standard (subject whether), in Figure 14 (a), it is 30 DEG C according to assay value (maximum temperature in J1), then do not need again to arrange analyzed area, and in Figure 14 (b), be 50 DEG C according to assay value (maximum temperature in J2), then need again to arrange analyzed area, then, according to the analyzed area F1 that the table of comparisons of assay value and analyzed area is arranged.

Step C06, judges whether to exit, and as exited, then terminates, and as do not exited, then gets back to step C01, repeats above-mentioned process.Like this, to the thermal-image data frame that continuous shooting obtains, when detect diverse location, size, the anglec of rotation, the degree of correlation, specific shot body heat as time, supplementary according to the rules, the analyzed area that energy Lookup protocol is similar and different, improves analyzed area and is provided with validity.

Preferably, the evaluation of estimate that evaluation of estimate, provisioning information and supplementary that evaluation of estimate provisioning information, supplementary, provisioning information obtained, supplementary obtain obtain, wherein one or more, with the table of comparisons of analyzed area configuration information, with the corresponding stored such as subject information, subject identifying information in such as Fig. 3.

Further, in provisioning information, with analyzed area, there is the provisioning information of direct corresponding relation, and for obtaining the provisioning information of evaluation of estimate, identical or different information can be comprised.Wherein, in supplementary, with analyzed area, there is the supplementary of direct corresponding relation, and for obtaining the supplementary of evaluation of estimate, also can comprise identical or different information.

As mentioned above, in embodiment 3, according to detected provisioning information and supplementary, can consider to arrange analyzed area, can reach further improve that analyzed area is provided with validity, the beneficial effect of the troublesome operation of avoiding user to arrange etc.

Embodiment 4

Embodiment 4, in the frozen state to the setting of the analyzed area of thermal-image data frame; Also be applicable under the playback mode of thermal image device 100, read thermal imagery file to the setting of the analyzed area of thermal-image data frame.

Step G01, obtain thermal-image data frame, such as, user carries out operation during freeze frame, and instant thermal-image data frame shoot part 1 being taken acquisition remains on interim storage part 2;

Step G02, detects this thermal-image data frame, at this, detects and obtains the provisioning information relevant with specific shot body heat picture.(roughly the same the A01 of embodiment 1, A03-A08, eliminate explanation).

Step G03, according to the provisioning information etc. detected, arranges analyzed area.(B05 of the roughly the same A09 of embodiment 1, or embodiment 2, or the C05 of embodiment 3, eliminate explanation).

Embodiment 5

Embodiment 5, has recording unit, for by above-described embodiment 1, and 2,3, the analyzed area set by 4, with the thermal-image data frame associated record of regulation.

Control part 11 possesses recording unit (not shown), carries out the control of recording.Such as response record instruction, based on the testing result of test section 8, in the thermal-image data frame stored from interim storage part 2, selects the thermal-image data frame that will experience described recording processing, and performs the control selected thermal-image data frame being carried out to recording processing.Preferably, the thermal-image data frame of regulation and regulation recorded information are carried out associated record.

Wherein, the thermal-image data frame of described regulation is take the thermal-image data frame obtained and/or the data obtained after carrying out predetermined processing by the thermal-image data frame that shoot part 1 shooting obtains by shoot part.The one or simultaneously multiple that predetermined processing is such as revised, interpolation, puppet are color, be converted to Temperature numerical, fall the process such as pixel, compression.

In the present embodiment, be the moment of response record instruction, what keep in interim storage part 2 regulation region detects specific shot body heat picture and is provided with the thermal-image data frame corresponding to analyzed area.In addition, also can be the moment (or regulation moment afterwards) judging to detect specific shot body heat picture, the thermal-image data frame obtained by infrared eye reading signal; In addition, also can be the maximum thermal-image data frame of the degree of correlation selected in multiframe thermal-image data frame stored from interim storage part 2; In addition, also can be the multiframe thermal-image data frame recording specified quantity; In addition, also can being the thermal-image data frame that the multiframe thermal-image data of specified quantity obtains through predetermined processing, obtaining the frame thermal-image data frame after this process as carried out integral operation to the multiframe thermal-image data frame stored in interim storage part 2.Can be one or more of thermal-image data frame that these situations obtain, the temperature value of each pixel that thermal-image data frame obtains as recorded simultaneously and the view data of infrared thermal imagery.

Wherein, regulation recorded information, the such as set composition data of analyzed area and/or the location parameter of analyzed area, preferably, comprise the composition data of analyzed area, and analyzed area is arranged in the location parameter of thermal-image data frame.

Specifically, a kind of embodiment, recording unit controls, and the thermal-image data frame after regulation recorded information and compression is associated, and Heat of Formation to storage card 8, terminates this process as file record.An embodiment for associated record, adds the information of regulation recorded information as the thermal-image data frame of prescribed form.In addition, associated record process also refer to regulation recorded information can be recorded in the message file of thermal imagery file association or index file medium, recording unit can generate this message file or index file.

The storage medium of record is not limited to storage card 6, flash memory 3 etc., also can be the network destination by communication section 4 communication.

Other embodiment

Describe the thermal image device 100 as infrared analysis area setting device example in the above-described embodiments, be obviously applicable to the various thermal image device of portable shooting or online shooting; Not being only applicable to the thermal image device with shoot function, being also applicable to the thermal imagery treating apparatus receiving and process thermal imagery, as received and process the thermal imagery treating apparatus of thermal imagery (as obtained thermal-image data frame chronologically) continuously from outside; As by reading thermal imagery file, thermal-image data frame is carried out to the thermal imagery treating apparatus of analyzed area setting; Described thermal imagery treating apparatus such as computing machine, personal digital assistant, with the matching used display device of thermal image device etc. of shoot function; In one example in which, thermal imagery treating apparatus is such as computing machine, by the communication port (example of acquisition unit, such as according to USB, 1394, the communication specification such as network, thermal imagery treating apparatus is connected with external unit) carry out wired or wireless connection with the thermal image device with shoot function, by accepting the thermal-image data frame that connected thermal image device exports continuously, and analyzed area is set, realize examples of implementation, the processing modes such as its check processing and above-mentioned embodiment roughly the same, eliminate explanation.

Further, also can be used as a component parts in thermal image device or thermal imagery treating apparatus or functional module, such as, obtain thermal-image data frame from miscellaneous part, at this moment, also form embodiments of the present invention.

In addition, preferably there is notification unit, for notice (as advice methods such as display, voice) analyzed area; Also can as will the network destination of result by communication I/F4 communication be arranged.

Further, not only can detect the overall region of whole subject, and detect multiple detection windows subject being divided into multiple parts formation, like this, can more accurately detect; Wherein, for each parts, identical with entirety, prepare corresponding subject identifying information (can be template or characteristic quantity).Also according to multiple characteristic quantities of template, the multiple characteristic of correspondence amounts in corresponding detection window can be calculated, and the correlative value corresponding to multiple characteristic quantity, obtain judged result, such as, according to the weighting of multiple characteristic quantity, obtain final judged result.Also according to multiple characteristic quantity, can first calculating the comparative result of one of them characteristic quantity and infrared thermal imagery, when being greater than the threshold values of regulation, calculating the comparative result of next characteristic quantity and infrared thermal imagery, according to repeatedly comparing, obtaining final judged result.

In the above-described embodiment, to process such as the detection of thermal-image data frame, analyzed area setting, result notices, can carry out different combinations, these combinations all within the scope of the present invention.At above-mentioned example, be describe according to certain order of steps, but various sequencing can be had according to different embodiments, be not limited to the processing order described by above-mentioned example.When control part 11 and image processing part etc. contain multiple processor, the parallel processing that part steps is suitable for also may be there is.

Further, to whether specific shot body heat picture being detected, comparing between the value of the degree of correlation and the judgment value of the degree of correlation is not limited to; Also can be deformed into, such as according to the evaluation of estimate detecting evaluation of estimate that the provisioning information, the provisioning information that obtain obtain, provisioning information and supplementary obtain, wherein one or more, or also combine the evaluation of estimate of supplementary, supplementary acquisition, wherein one or more, with comparing of the judgment value specified, determine whether specific shot body heat picture being detected.Preferably, according to the value of the position detected, size, angle of inclination, the degree of correlation, and/or the evaluation of estimate of these information acquisitions, with comparing of specific correlative value, determine whether specific shot body heat picture being detected.

In addition, also can be deformed into, such as according to the evaluation of estimate detecting evaluation of estimate that the provisioning information, the provisioning information that obtain obtain, provisioning information and supplementary obtain, wherein one or more, or also combine the evaluation of estimate of supplementary, supplementary acquisition, wherein one or more, with the corresponding relation of analyzed area configuration information, arranges analyzed area.

Further, according to the provisioning information etc. detected, set analyzed area, can be analyze relevant whole analyzed areas with thermal-image data frame, but may also be partial analysis region wherein.In addition, the location parameter of set analyzed area, also can have nothing to do with the location parameter of subject thermal imagery.

Storing the storage medium of subject identifying information etc., can be the storage medium in thermal image device 100, as non-volatile memory mediums such as flash memory 3, storage cards 6, and the volatile storage medium such as interim storage part 2; Can also be other storage mediums of being connected wired or wireless with thermal image device 100, as by with the storage medium of communication I/F4 wired or wireless other devices be connected as the storage medium in other memory storages, thermal image device, computer etc. or network destination.

In addition, example exemplifies using the application of the subject of power industry as scene, and the every profession and trade being also useful in infrared detection is extensively used.

Although the functional block that can be realized in accompanying drawing by hardware, software or its combination, does not need to arrange the structure carrying out practical function block with man-to-man corresponded manner usually.The block of multiple function can be realized by a software or hardware module.Or the block of a function is also realized by multiple software or hardware cell.In addition, process and the controlling functions of the part or all of function part in embodiments of the present invention also can be realized with special circuit or general processor or programmable FPGA.

The above-mentioned described object lesson (embodiment) being only invention, variously exemplifies explanation and does not limit essence of an invention Composition of contents, and various embodiment is replaced accordingly and combined, and can form more embodiment.Those skilled in the art can carry out other modifications and variations after having read instructions to embodiment, and does not deviate from essence of an invention and scope.

Claims

1. infrared analysis area setting device, comprising:

Acquisition unit, for obtaining thermal-image data frame;

2. infrared analysis area setting device as claimed in claim 1, is characterized in that,

Described analyzed area setting unit, according to following factor:

1) provisioning information

2) supplementary;

3) evaluation of estimate that obtains of provisioning information;

4) evaluation of estimate that obtains of supplementary;

5) evaluation of estimate that obtains of provisioning information and supplementary;

Wherein one or more, with the corresponding relation of analyzed area, arranges corresponding analyzed area.

3. infrared analysis area setting device as claimed in claim 2, is characterized in that,

Analyzed area corresponding to Different factor, can be identical or different analytical effect, and/or, the analyzed area configuration of identical or different display effect.

4. infrared analysis area setting device as claimed in claim 1, is characterized in that, described provisioning information, at least comprises the information of a kind of or combination in any in the value of the position of specific shot body heat picture, size, angle of inclination, similarity.

5. infrared analysis area setting device as claimed in claim 2, is characterized in that, described provisioning information, at least comprises the information of a kind of or combination in any in the value of the position of specific shot body heat picture, size, angle of inclination, similarity; Described supplementary, at least comprises the information of a kind of or combination in any in assay value, environment temperature, wind speed, contextual factor, humidity, distance.

6. infrared analysis area setting device as claimed in claim 1, is characterized in that,

Described analyzed area setting unit, according to the location parameter of specific shot body heat image position in thermal-image data frame detected, arranges the location parameter of analyzed area.

7. infrared analysis area setting device as claimed in claim 6, is characterized in that,

According to the position of the specific shot body heat image position detected in thermal-image data frame and size, position and the size of analyzed area can be set; Or according to the position of specific shot body heat image position in thermal-image data frame detected, size, angle of inclination, the position of analyzed area, size, the anglec of rotation can be set.

8. infrared analysis area setting device as claimed in claim 1, is characterized in that,

The composition data of described analyzed area, is the analyzed area composition data that basis associates with subject identifying information, determines;

The location parameter of described analyzed area is the analyzed area obtained according to this analyzed area composition data, with the assigned position relation of subject identifying information, and the location parameter of specific shot body heat image position in thermal-image data frame detected, determine.

9. infrared analysis area setting device as claimed in claim 3, is characterized in that

Selection portion, for selecting subject information;

Described test section, according to selected subject information, based on the subject identifying information of this subject information association, detects the provisioning information relevant with specific shot body heat picture;

Described analyzed area setting unit, based on the composition data of the analyzed area of described subject identifying information association, and the assigned position relation of analyzed area and subject identifying information, based on the location parameter of detected specific shot body heat picture, analyzed area is set.

10. infrared analysis area setting device as claimed in claim 1, is characterized in that,

Described analyzed area setting unit, to regulation calculating object according to the rules computation rule calculate, and based on the location parameter of the specific shot body heat picture detected, analyzed area is set;

Described regulation computation rule, at least comprise feature extraction, convergent-divergent, distortion, segmentation, shearing, decile, calculating outsourcing rectangle are carried out to described regulation calculating object, calculate inscribe rectangle, computing center's line, calculate unique point, calculate in envelope, calculate in enveloping outer enclosure one or more.

11. infrared analysis area setting devices as claimed in claim 1, is characterized in that

There is recording unit, for response record instruction, by the composition data of set analyzed area and/or the location parameter of analyzed area, be associated with the thermal-image data frame of regulation and carry out record.

12. infrared analysis area setting devices as claimed in claim 1, is characterized in that

Described infrared analysis area setting device is portable thermal image device, obtains thermal-image data frame by shooting.

13. infrared analysis area setting devices as claimed in claim 12, is characterized in that

In the storage medium of described thermal image device or in connected storage medium, store the subject identifying information of subject information and association thereof, the composition data of analyzed area, and the assigned position relation of subject identifying information and analyzed area.

14. infrared analysis zone approach, comprising:

Obtaining step, for obtaining thermal-image data frame;

15. infrared analysis zone approach as claimed in claim 1, is characterized in that,

Described analyzed area setting steps, according to following factor:

1) provisioning information

2) supplementary;

3) evaluation of estimate that obtains of provisioning information;

4) evaluation of estimate that obtains of supplementary;

16. infrared analysis zone approach as claimed in claim 1, is characterized in that,

Described analyzed area setting steps, according to the location parameter of specific shot body heat image position in thermal-image data frame detected, arranges the location parameter of analyzed area.