CN108573295A - A kind of tracking and tracks of device of irradiated fuel assembly - Google Patents
A kind of tracking and tracks of device of irradiated fuel assembly Download PDFInfo
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- CN108573295A CN108573295A CN201810343315.4A CN201810343315A CN108573295A CN 108573295 A CN108573295 A CN 108573295A CN 201810343315 A CN201810343315 A CN 201810343315A CN 108573295 A CN108573295 A CN 108573295A
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- fuel assembly
- irradiated fuel
- image
- identification code
- code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
Abstract
A kind of tracking of irradiated fuel assembly provided herein includes mainly being examined to the etching of irradiated fuel assembly label, etching, and enter before heap and go out the marker recognition after heap.Utilize identification code of the etching on irradiated fuel assembly, by identification marking code to confirm the corresponding identity of irradiated fuel assembly in entire nuclear process, it can ensure that in entire reaction process omission, loss will not occur for all irradiated fuel assemblies, and management system to irradiated fuel assembly can and be established whereby, improve the tracking to irradiated fuel assembly whole life cycle.Present invention also provides a kind of tracks of device of irradiated fuel assembly, a kind of computer readable storage medium and a kind of track terminal of irradiated fuel assembly have above-mentioned advantageous effect.
Description
Technical field
This application involves core field, more particularly to the tracking and tracks of device of a kind of irradiated fuel assembly, and it is a kind of
Computer readable storage medium and a kind of track terminal of irradiated fuel assembly.
Background technology
Spentnuclear fuel is also known as rradiated nuclear fuel, is to live through radiation exposure, used nuclear fuel, typically by nuclear power station
Nuclear reactor generates.Irradiated fuel assembly refers to the container of nuclear fuel.However in existing nuclear process, only rely on
Before entering heap and quantitative statistics manually is carried out after going out heap for irradiated fuel assembly, for irradiated fuel assembly in entire Life Cycle
Phase lacks tracking and confirms.And since the error rate manually counted is higher, it is difficult to discover the loss of irradiated fuel assembly occurs,
It is easy to cause serious biotic environment property loss.
Apply for content
The purpose of the application is to provide a kind of tracking of irradiated fuel assembly and tracks of device and a kind of computer can
Storage medium and a kind of track terminal of irradiated fuel assembly are read, solving can not be effectively to irradiated fuel assembly in entire nuclear reaction
The problem of process tracking.
In order to solve the above technical problems, the application provides a kind of tracking of irradiated fuel assembly, specific technical solution is such as
Under：
Label is performed etching using identification code to the irradiated fuel assembly；
After etching marks, verification is etched to the identification code；
If etching verification passes through, the identification code is confirmed before the irradiated fuel assembly enters nuclear reactor；
After the irradiated fuel assembly goes out heap, is taken pictures to the irradiated fuel assembly using underwater radiation protection camera, obtain original
Beginning image；
The original image is handled using algorithm for image enhancement, obtains enhancing image；
Enhance image described in decoded back, obtains the second identification code；
The identification code and described the second identification code are matched, confirms the information of the irradiated fuel assembly to realize to described weary
The tracking of fuel assembly.
Wherein, being etched verification to the identification code includes：
Etched part bit image is acquired using code reader；
Judge whether the identification code etch depth meets preset standard according to the etched part bit image.
Wherein, described image Enhancement Method includes：
The image for inputting collected first color space converts described image to the second color space；
Limitation contrast self-adapting histogram is called to the setting quantity component of image described in second color space
Equalization, homomorphic filtering and small echo threshold values noise reduction are handled；
Algorithm equilibrium and superposition are carried out to the described image in same color space；
Described image in second color space is converted to first color space and exported.
Wherein, enhance image described in the decoded back, obtaining the second identification code includes：
Binaryzation pretreatment is carried out to the enhancing image；
Position the identification code candidate region in the enhancing image；
The characteristic edge of the identification code is positioned in the identification code candidate region；
Bar code sampling is carried out using the characteristic edge, is decoded to obtain described the second identification code according to identity code decoding standard.
Wherein, the identification code candidate region positioned in the enhancing image includes：
Multiple identification code candidate regions are positioned using the area positioning method being distributed based on angle point；
Priority ranking is carried out to multiple identification code candidate regions.
Wherein, before performing etching label using identification code to the irradiated fuel assembly, further include：
The distance between marking machine and the irradiated fuel assembly are measured using laser, to ensure described in etch depth satisfaction
Preset standard.
The application also provides a kind of tracks of device of irradiated fuel assembly, which includes：
Marking machine, for being identified for irradiated fuel assembly etching；
Code reader, for entering with the irradiated fuel assembly after marking machine etches and reading mark before nuclear reactor
Know；
Underwater radiation protection camera, the image information for acquiring the irradiated fuel assembly in spent fuel storage pond；
Industrial personal computer is connected with the marking machine, the code reader and the underwater radiation protection camera and processor, is used for
The processor command is received, it is irradiated fuel assembly etching label identification code to control the marking machine, is controlled described underwater
Radiation protection camera is shot after the irradiated fuel assembly goes out heap obtains original image, controls the code reader respectively in etching school
It tests, the irradiated fuel assembly identifies the identification code before entering heap.
Wherein, the tracks of device further includes：
Airborne laser range finder, for measuring the distance between the marking machine and the irradiated fuel assembly.
The application also provides a kind of computer readable storage medium, is stored thereon with computer program, the computer journey
Sequence is performed the step for realizing that following method is corresponding：
Label is performed etching using identification code to the irradiated fuel assembly；
After etching marks, verification is etched to the identification code；
If etching verification passes through, the identification code is confirmed before the irradiated fuel assembly enters nuclear reactor；
After the irradiated fuel assembly goes out heap, is taken pictures to the irradiated fuel assembly using underwater radiation protection camera, obtain original
Beginning image；
The original image is handled using algorithm for image enhancement, obtains enhancing image；
Enhance image described in decoded back, obtains the second identification code；
The identification code and described the second identification code are matched, confirms the information of the irradiated fuel assembly to realize to described weary
The tracking of fuel assembly.
The application also provides a kind of track terminal of irradiated fuel assembly, including memory and processor, in the memory
There is computer program, the processor realizes following method corresponding step when calling the computer program in the memory
Suddenly：
Label is performed etching using identification code to the irradiated fuel assembly；
After etching marks, verification is etched to the identification code；
If etching verification passes through, the identification code is confirmed before the irradiated fuel assembly enters nuclear reactor；
After the irradiated fuel assembly goes out heap, is taken pictures to the irradiated fuel assembly using underwater radiation protection camera, obtain original
Beginning image；
The original image is handled using algorithm for image enhancement, obtains enhancing image；
Enhance image described in decoded back, obtains the second identification code；
The identification code and described the second identification code are matched, confirms the information of the irradiated fuel assembly to realize to described weary
The tracking of fuel assembly.
A kind of tracking of irradiated fuel assembly provided herein includes mainly the etching mark to irradiated fuel assembly
Note, etching are examined, and are entered before heap and gone out the marker recognition after heap.Wherein irradiated fuel assembly needs to be placed under water after going out heap, and
It is clear that Marks Illegible is easily caused after reaction, it is therefore desirable to use algorithm for image enhancement identification label.The application is by using quarter
The identification code on irradiated fuel assembly is lost, by identification marking code to confirm that irradiated fuel assembly corresponds in entire nuclear process
Identity, it is ensured that all irradiated fuel assemblies entire reaction process will not occur omit, lose, and can and whereby establish pair
The management system of irradiated fuel assembly improves the tracking to irradiated fuel assembly whole life cycle.Present invention also provides a kind of weary
The tracks of device of fuel assembly, a kind of computer readable storage medium and a kind of track terminal of irradiated fuel assembly have upper
Advantageous effect is stated, details are not described herein again.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
A kind of flow chart of the tracking for irradiated fuel assembly that Fig. 1 is provided by the embodiment of the present application；
Fig. 2 operates structural schematic diagram before entering heap by the component that the embodiment of the present application provides；
The DM code decoding process flow charts that Fig. 3 is provided by the embodiment of the present application；
The DM code word module reading order figures that Fig. 4 is provided by the embodiment of the present application；
The non-grid mapping calculation schematic diagram that Fig. 5 is provided by the embodiment of the present application；
The Homomorphic Filtering Algorithm basic procedure schematic diagram that Fig. 6 is provided by the embodiment of the present application；
A kind of structural schematic diagram of the tracks of device for irradiated fuel assembly that Fig. 7 is provided by the embodiment of the present application.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to FIG. 1, a kind of flow chart of the tracking for irradiated fuel assembly that Fig. 1 is provided by the embodiment of the present application,
Concrete scheme is as follows：
S101：Label is performed etching using identification code to the irradiated fuel assembly；
The outer surface for being intended to irradiated fuel assembly (hereafter can referred to as " component ") of this step is marked, and for specific
Labeling method and flag parameters do not limit.The application's hereafter makees the application using DM codes as a kind of preferred identification code
Illustrate, it, also should be within the scope of protection of this application when irradiated fuel assembly uses other kinds of identification code.
DM codes why are selected, are because of its outstanding error-correcting performance, it is only necessary to which read data 20% can accurately distinguish reading.
To the DM codes less than 255 character codes, error correcting character code can be calculated by data character code.For the DM more than 255 character codes
Code, data character code should be divided into multiple modules, then generate the error correcting character code of each module again, can effectively reduce because
Coding is misread caused by being stained.
Etching label usually using marking machine progress, specific coding size, etch depth, coding size, coding spacing,
The parameters such as etching speed can be configured by marking machine and coupled industrial personal computer or computer.And marking machine and component it
Between distance can pass through laser range finder etc. have distance measurement function equipment determine.For the position of mark, because
In practical mark operation, usually the flow work, after component is sent to by Pipeline control component, laser range finder (or its
His distance-measuring equipment) detect that distance is suitable after, formed component in place signal so that assembly line stops transport irradiated fuel assembly.For
For pipelining, the posture of putting of irradiated fuel assembly is identical, and the position of marking machine is also geostationary, and weary
Fuel assembly is usually cylindrical shape, therefore mark location is almost identical.In addition, when tracking provided by the present application is direct
When the production line of irradiated fuel assembly is combined, the etching speed of marking machine should also meet the rhythm of production of production line, that is, etch
The speed of each irradiated fuel assembly is not slower than the speed of production of each irradiated fuel assembly.
Preferably, the application provides a kind of related etch identification parameter of irradiated fuel assembly, referring to the following table 1 and table 2, table 1
For irradiated fuel assembly identification parameter table, table 2 is marking machine performance parameter table, it is to be understood that following parameter list is only for ginseng
Number, design parameter can be adjusted correspondingly such as etch depth and coding size according to actual demand.
1 irradiated fuel assembly identification parameter table of table
2 marking machine performance parameter table of table
It is understood that label effect be easy for count and manage irradiated fuel assembly, therefore label should have it is certain
Ordinal relation is not specifically limited herein.
Preferably, 3D laser marking machines can be selected in this step, it is ensured that the DM codes on irradiated fuel assembly are in circular arc
The depth in face is consistent, and meets etch depth requirement.
S102：After etching marks, verification is etched to the identification code；
It by taking DM codes as an example, after each irradiated fuel assembly etches, and then needs to be etched it verification, verify
Purpose be to ensure that the position of etching, depth, size meet etching and require or preset standard, and verification DM codes is accurate
Property, in simple terms, DM codes need have certain ordinal relation with previous irradiated fuel assembly.
The identification for having main steps that DM codes of verification, this step can use code reader to carry out the acquisition of DM codes, go back certainly
It can use other that can obtain the device of DM information, purpose is acquisition etched part bit image, is not specifically limited herein.
By taking code reader as an example, the solution bit rate of code reader, solution code distance and degree of protection are not construed as limiting, should be managed
Solution, decoding speed should similarly be consistent with the efficiency of the flow work, avoid influencing entire tracking process.Decoding
Distance refers to that code reader should keep certain distance apart from component, avoids influencing the flow work, therefore with code reader have
Ability can be read in certain distance, that is, code reader is required to have high optics system, meets actual needs.Degree of protection refers to
There may be flue dust or certain humidity in the track environment of component, therefore the decoder with dust-proof moistureproof may be selected.
S103：If etching verification passes through, the identification code is confirmed before the irradiated fuel assembly enters nuclear reactor；
The purpose of this step is that the label confirmation of component is carried out before component enters nuclear reactor.In simple terms, i.e., clear
Which component enters nuclear reactor, which is not yet.It should be noted that in real process, Fig. 2 is referred to, Fig. 2 is this Shen
Please the component that is provided of embodiment enter heap before operate structural schematic diagram.Component is packed into nuclear reactor by loading machine.Component position at this time
In in guide pipe, and move up and down together with guide pipe, be cased with guide post outside guide pipe, but guide post be it is stationary,
And guide pipe and guide post are coaxial.Component is in dark surrounds in guiding is kept a grip on, it is therefore desirable to open a window in guide post side, be
Code reader and light source provide saturating cover window, and code reader and light source are fixed, and guide pipe stops and fixes after moving to predeterminated position, just
DM codes are identified in reading.
It should be noted that confirming that DM codes are realized by code reader in this step, use certainly other kinds of
It is also required to use corresponding code reader when identification code.Made when for etching verification in the code reader and S102 that are used in this step
Whether code reader is that same code reader does not limit, and the two may be selected to use same model, also can be according to different uses
Conditions and environment selects different code readers, such as use environment is more dim in this step, and it is stronger that photoperceptivity may be selected
Code reader.
S104：After the irradiated fuel assembly goes out heap, is taken pictures, obtained to the irradiated fuel assembly using underwater radiation protection camera
To original image；
Irradiated fuel assembly, which goes out, can still discharge a large amount of radiation after heap, camera is operated in spent fuel storage pond, spentnuclear fuel storage
The influence of this radiation can not be completely cut off by depositing the boracic pure water in pond, and digital product also can not normal work by radiation effect
Make, so camera is also required to radiation protection.The design parameter standard of underwater radiation protection camera is not construed as limiting herein, this field skill
Art personnel should make setting according to actual emanations intensity and actual demand.A kind of preferred underwater radiation protection camera is provided herein
Relevant parameter, can radiation resistance 2MGy, accumulated dose 30K Gy/h, have 12-72mm zooms.Accumulated dose refers to camera in unit
The summation of the interior dose of radiation that can bear, 30K Gy/h refer to the dose of radiation that the camera can be born per hour here
Summation is 30000Gy.Purpose using underwater radiation protection camera is the progress image under this particular surroundings of Spent Fuel Pool
It obtains.
It should be noted that herein because component be in fuel tank, different from before mark verification and identify before entering heap
It identifies twice, component is not under assembly line or machine control state, and the original image got is not necessarily DM codes region
Image.
S105：The original image is handled using algorithm for image enhancement, obtains enhancing image；
The purpose of algorithm for image enhancement, which is the original image for acquiring underwater radiation protection camera, to be enhanced, at denoising
Reason.Specific algorithm for image enhancement and Denoising Algorithm are not construed as limiting at this, such as may include but be not limited to limitation comparison
Degree adaptive histogram equalization (CLAHE, Contrast Limited Adaptive Histogram Equalization),
Homomorphic filtering (HF, Homomorphic filtering) and small echo threshold values noise reduction (WTD, Wavelet Threshold
Denoising) etc..
S106：Enhance image described in decoded back, obtains the second identification code；
The purpose of this step is that the enhancing image decoding obtained from S105 obtains DM codes.It is mentioned above in original image simultaneously
The non-image for only existing DM codes region, likewise, enhancing image may also include the image in other regions.Herein for
The method that specific reduction enhancing image obtains the 2nd DM codes is not construed as limiting, it is preferred that provides the specific reality of a kind of step herein
Applying method, it is as follows：
S1061：Binaryzation pretreatment is carried out to the enhancing image；
S1062：Position the DM codes candidate region in the enhancing image；
S1063：The characteristic edge of the DM codes is positioned in DM codes candidate region；
S1064：Bar code sampling is carried out using the characteristic edge, is decoded to obtain the 2nd DM according to identity code decoding standard
Code.
Wherein, S1062 can also be specifically included：Multiple DM codes are positioned using the area positioning method being distributed based on angle point to wait
Favored area；Priority ranking is carried out to multiple DM codes candidate regions.
The purpose of priority ordering is ranked up for DM codes candidate region in image, it would be possible to which the candidate regions of property bigger are arranged
In more high-precedence, the operation of DM code region decisions is reduced.
This step can also include but not limited to following operation：DM code outer profiles are extracted, to reduce non-edge interested
Interference is generated to positioning；The search pattern side of DM codes is quickly positioned using improvement Hough transformation；Iteration weighted least-squares method essence
Determine position reference and the orientation of position bar code；It is fixed according to the geometric properties of two-dimensional bar code and the shape feature on switch mode side
The specific location of position bar code；Using the adaptively sampled algorithm based on two-dimensional bar code textural characteristics by the two-dimensional bar code in image also
Original is at actual data matrix；Finally bar code is parsed according to the consensus standard of DM codes, to restore the word of bar code carrying
Accord with information.It is non-interested because needing to position coding position and orientation by identifying the edge of coding when DM codes are read
Edge refers to that can generate other interfered to coding positioning present in image to have the object of edge feature.DM decodings can be summarized as
The inverse process of coding, basic procedure principle are identical as DM coding flows.Referring to Fig. 3, DM that Fig. 3 is provided by the embodiment of the present application
Code decoding process flow chart.
The entrained data sequence of coding is restored according to snakelike coding rule first；DM codes are using non-discrete continuous point
The standard of grade is needed according to error correction information when coding has the case where pollution or defect to lack part coding carrying
Data are restored；Whether there is or not false judgment carried out according to Reed-Solomon principles, basic procedure is as follows：
(1) codeword polynome R (x) is built according to codeword information；
(2) it tables look-up and obtains associated polynomial S (x), and substitute into coefficient respectively and solve；
(3) it if there is associated polynomial S (x) results of one or more are not 0, then needs to carry out error-correction operation, otherwise
Think that code word does not have mistake, directly exports.
DM codes are by the dimension information of reading bar code, and to determine the release type of bar code, different release types is to data
The mode for flowing error correction is different.Each code block of DM codes indicates that 1bit, dark color are 1, and light color is 0, and a 8bit is formed with 8 code blocks
Code word, and arranged in data matrix with " snakelike " arrangement mode, in order to preferably utilize space, make DM codes composition one complete
Code word module in edge is just divided into various shapes by whole rectangle, coding rule, and after code word block combiner
The useless data bit of filling in remaining rectangular space.
Referring to Fig. 4, DM code word module reading order figures that Fig. 4 is provided by the embodiment of the present application.With number when code word is read
The upper left corner according to matrix is coordinate origin, and horizontal direction x, numerical value direction is y, and the coordinate of each code block is represented by (x, y),
And the coordinate of upper left corner code block is (1,1).Start to read from the code block that coordinate is (1,5), and using current code block as code word mould
Last position of block sequentially reads the code word that 8 code blocks form one 8 according to code word shown in Fig. 4；Again with upper right corner distance
For 2 last position as next code word module of code block, next code word is read；When encountering the code boundaries DM, according to reading
Direction is taken to translate 3 code words, and reverses direction continues to read, it is known that reading terminates.According to above-mentioned rule, restore code from DM codes
Word sequence, reads codeword information, obtains the 2nd DM codes.
S107：The DM codes and the 2nd DM codes are matched, confirms the information of the irradiated fuel assembly to realize to described
The tracking of irradiated fuel assembly.
The purpose of this step is to confirm the information of the component after obtaining the 2nd DM codes.Which component can be specified in this way
Heap is gone out, and then whole clearly component is whole → before entering heap → goes out the information trace after heap from marking, has been convenient for subsequent time
It receives, the management of irradiated fuel assembly or other operations.
The embodiment of the present application provides a kind of tracking of irradiated fuel assembly, the present embodiment by irradiated fuel assembly into
Row etching label, and respectively after etching, component enters before heap and component goes out the identification being marked after heap, to track weary combustion
Expect component.Convenient for establishing the database of irradiated fuel assembly, enhances the management for irradiated fuel assembly, avoid because of irradiated fuel assembly
Lose or recycling not in time the problems such as bring great life, environment property loss.
Based on above-described embodiment, as preferred embodiment, the step S105 in above-described embodiment may include walking as follows
Suddenly：
S1051：The image for inputting collected first color space converts described image to the second color space；
S1052：Call limitation contrast adaptive the setting quantity component of image described in second color space
Histogram equalization, homomorphic filtering and small echo threshold values noise reduction are handled；
S1053：Algorithm equilibrium and superposition are carried out to the described image in same color space；
S1054：Described image in second color space is converted to first color space and exported.
It is unfavorable to noise that limitation Contrast-limited adaptive histogram equalization can effectively overcome while enhancing image detail
Amplification, method is to limit the height of local histogram by threshold values to inhibit the phenomenon that noise and contrast excessively enhance,
It needs to find a series of mesh points in piece image, before corresponding to window to each grid and carrying out histogram equalization, need
＂ shearing ＂ operations are first carried out, then get rid of the part for being highly more than threshold values in histogram.
It should be noted that the selection of color space follows certain priority orders, it is empty for selected color
Between be required for carrying out these three algorithms, then the image in same color space is overlapped and is optimized, it is empty to obtain corresponding color
Between enhanced image.
Referring to Fig. 5, the non-grid mapping calculation schematic diagram that Fig. 5 is provided by the embodiment of the present application, the non-net in image
The mapping of lattice point is determined by the mapping of the corresponding window of 4 mesh points adjacent thereto.Here the method for using bilinear interpolation,
If the mapping of the corresponding window of tetra- mesh points of A, B, C, D is respectively A (r), B (r), C (r), D (r) in image, wherein r is phase
Answer the gray value of pixel.Then the mapping calculation formula of non-grid point is：
M (r)=(1-y) [(1-x) A (r)+xB (r)]+y [(1-x) C (r)+xD (r)]
Homomorphic Filtering Algorithm belongs to one kind of frequency domain, based on illumination/reflection model of image, passes through limitation
Brightness change range reaches the purpose of enhancing with contrast is improved.Its basic procedure can be as shown in fig. 6, Fig. 6 be that the application is real
Apply the Homomorphic Filtering Algorithm basic procedure schematic diagram that example is provided.Wherein, I (x, y) indicates original graph, after O (x, y) expression processing
Image；Log indicates that logarithm operation, DFT indicate that Fourier transform, IDFT represent inverse fourier transform, and EXP indicates index fortune
It calculates, Digita Filterl are digital filter.
The wealthy value noise reduction algorithm of small echo shows splendid, the method key based on Threshold Denoising in terms of eliminating Gaussian noise
The mode for being exactly the selection of threshold value and being handled threshold value, this method are divided into following 3 steps：
(1) it carries out multi-level wavelet decomposition to image to operate, obtains corresponding decomposition coefficient；
(2) suitable threshold value is selected to carry out quantification treatment to decomposing obtained wavelet coefficient in step (1)；
(3) wavelet inverse transformation is executed to image, obtains the image after denoising.
In processing procedure, in step (1), sym4 small echos may be selected, signal progress is decomposed for 3 layers, in step (2), choosing
It selects ＂ soft-threshold ＂ modes and carries out wavelet coefficient quantification treatment, mathematic(al) representation is as follows：
σλ(w)=sgn (w) (| w |-λ) | w | ＞ λ
Wherein, w represents wavelet coefficient, and λ is selected wealthy value, σλ(w) it is the wavelet coefficient values estimated.
The present embodiment is by optimizing algorithm for image enhancement, it is proposed that equal based on limitation contrast self-adapting histogram
Weighing apparatusization, the algorithm for image enhancement of homomorphic filtering and small echo threshold values noise reduction, pass through algorithm balanced realization better image enhancing effect
With image noise reduction effect, be conducive to accurately identify DM codes in underwater particular surroundings in fuel tank.
Present invention also provides a kind of computer readable storage mediums, have computer program thereon, the computer program
It is performed the step of tracking that above-described embodiment is provided may be implemented.The storage medium may include：USB flash disk, movement
Hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), the various media that can store program code such as magnetic disc or CD.
May include memory and processor present invention also provides a kind of track terminal of irradiated fuel assembly, it is described to deposit
There is computer program in reservoir, when the processor calls the computer program in the memory, above-mentioned reality may be implemented
Apply step corresponding to irradiated fuel assembly tracking that example is provided.Certain server can also connect including various networks
Mouthful, the components such as power supply.
A kind of tracks of device of irradiated fuel assembly provided by the embodiments of the present application is introduced below, it is described below with
Track device can correspond reference with above-described tracking.
Referring to Fig. 7, a kind of irradiated fuel assembly that Fig. 7 is provided by the embodiment of the present application that the embodiment of the present application provides
The structural schematic diagram of tracks of device, the tracks of device include：
Marking machine, for being identified for irradiated fuel assembly etching；
Code reader, for entering with the irradiated fuel assembly after marking machine etches and reading mark before nuclear reactor
Know；
Underwater radiation protection camera, the image information for acquiring the irradiated fuel assembly in spent fuel storage pond；
Industrial personal computer is connected with the marking machine, the code reader and the underwater radiation protection camera and processor, is used for
The processor command is received, it is irradiated fuel assembly etching label DM codes to control the marking machine, is controlled described underwater anti-
Radiometric camera shot after the irradiated fuel assembly goes out heap obtain original image, control the code reader respectively etching verification,
The irradiated fuel assembly identifies the DM codes before entering heap.
Based on above-described embodiment, as preferred embodiment, the tracks of device can also include：
Airborne laser range finder, for measuring the distance between the marking machine and the irradiated fuel assembly.
Each embodiment is described by the way of progressive in specification, the highlights of each of the examples are with other realities
Apply the difference of example, just to refer each other for identical similar portion between each embodiment.For embodiment provide system and
Speech, since it is corresponding with the method that embodiment provides, so description is fairly simple, related place is referring to method part illustration
.
Specific examples are used herein to illustrate the principle and implementation manner of the present application, and above example is said
It is bright to be merely used to help understand the present processes and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise of not departing from the application principle, can also to the application, some improvement and modification can also be carried out, these improvement
It is also fallen into the application scope of the claims with modification.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of tracking of irradiated fuel assembly, which is characterized in that including：
Label is performed etching using identification code to the irradiated fuel assembly；
After etching marks, verification is etched to the identification code；
If etching verification passes through, the identification code is confirmed before the irradiated fuel assembly enters nuclear reactor；
After the irradiated fuel assembly goes out heap, is taken pictures to the irradiated fuel assembly using underwater radiation protection camera, obtain original graph
Picture；
The original image is handled using algorithm for image enhancement, obtains enhancing image；
Enhance image described in decoded back, obtains the second identification code；
The identification code and described the second identification code are matched, confirms the information of the irradiated fuel assembly to realize to the spentnuclear fuel
The tracking of component.
2. tracking according to claim 1, which is characterized in that being etched verification to the identification code includes：
Etched part bit image is acquired using code reader；
Judge whether the identification code etch depth meets preset standard according to the etched part bit image.
3. tracking according to claim 1 or 2, which is characterized in that described to utilize algorithm for image enhancement to the original
Beginning image carries out processing：
The image for inputting collected first color space converts described image to the second color space；
Limitation contrast self-adapting histogram equilibrium is called to the setting quantity component of image described in second color space
Change, homomorphic filtering and small echo threshold values noise reduction are handled；
Algorithm equilibrium and superposition are carried out to the described image in same color space；
Described image in second color space is converted to first color space and exported.
4. tracking according to claim 1, which is characterized in that enhance image described in the decoded back, obtain
Two identification codes include：
Binaryzation pretreatment is carried out to the enhancing image；
Position the identification code candidate region in the enhancing image；
The characteristic edge of the identification code is positioned in the identification code candidate region；
Bar code sampling is carried out using the characteristic edge, is decoded to obtain described the second identification code according to identity code decoding standard.
5. tracking according to claim 4, which is characterized in that the identification code candidate regions in the positioning enhancing image
Domain includes：
Multiple identification code candidate regions are positioned using the area positioning method being distributed based on angle point；
Priority ranking is carried out to multiple identification code candidate regions.
6. tracking according to claim 2, which is characterized in that carved using identification code to the irradiated fuel assembly
Before erosion label, further include：
The distance between marking machine and the irradiated fuel assembly are measured using laser, to ensure that it is described default that etch depth meets
Standard.
7. a kind of tracks of device of irradiated fuel assembly, which is characterized in that including：
Marking machine, for being identified for irradiated fuel assembly etching；
Code reader, for entering with the irradiated fuel assembly after marking machine etches and reading mark before nuclear reactor；
Underwater radiation protection camera, the image information for acquiring the irradiated fuel assembly in spent fuel storage pond；
Industrial personal computer is connected with the marking machine, the code reader and the underwater radiation protection camera and processor, for receiving
The processor command, it is irradiated fuel assembly etching label identification code to control the marking machine, controls the underwater anti-spoke
It penetrates camera and shoots acquisition original image after the irradiated fuel assembly goes out heap, control the code reader respectively in etching verification, institute
It states before irradiated fuel assembly enters heap and identifies the identification code.
8. tracks of device according to claim 7, which is characterized in that the tracks of device further includes：
Airborne laser range finder, for measuring the distance between the marking machine and the irradiated fuel assembly.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The step of tracking as claimed in any one of claims 1 to 6 is realized when execution.
10. a kind of track terminal of irradiated fuel assembly, which is characterized in that including memory and processor, deposited in the memory
There are computer program, the processor to be realized such as any one of claim 1-6 when calling the computer program in the memory
The step of described tracking.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111259852A (en) * | 2020-01-31 | 2020-06-09 | 中国原子能科学研究院 | Identification system and identification method for nuclear power station component codes |
| CN111325044A (en) * | 2020-01-31 | 2020-06-23 | 中国原子能科学研究院 | Method for determining new component code of nuclear power station, identification system and identification method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822987A (en) * | 1988-01-25 | 1989-04-18 | Westinghouse Electric Corp. | Method and apparatus for providing fuel rod identification to permit traceability during manufacture and use |
| US5247154A (en) * | 1991-01-17 | 1993-09-21 | Westinghouse Electric Corp. | Method and apparatus for monitoring the laser marking of a bar code label |
| US5811779A (en) * | 1996-08-22 | 1998-09-22 | General Electric Company | Laser bar code reader system for a fuel rod in a boiling water nuclear reactor |
| JPH1123756A (en) * | 1997-07-04 | 1999-01-29 | Hitachi Ltd | Method for identifying atomic fuel rod |
| CN102713943A (en) * | 2009-12-07 | 2012-10-03 | 阿海法核燃料公司 | Device having reduced overall dimensions for identifying a metal substrate in a dusty and metallic environment, and application for identifying containers containing nuclear fuel elements in the production plant thereof |
| CN103298906A (en) * | 2010-12-13 | 2013-09-11 | 阿海珐公司 | Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly |
| CN105047239A (en) * | 2015-07-03 | 2015-11-11 | 中科华核电技术研究院有限公司 | Nuclear fuel assembly repairing, tracking and detecting method and apparatus thereof |
| CN105118535A (en) * | 2015-07-03 | 2015-12-02 | 中科华核电技术研究院有限公司 | Nuclear fuel assembly repair detection control system |
| CN105108344A (en) * | 2015-08-31 | 2015-12-02 | 鞍山英程利远科技有限公司 | Intelligent control system of robot fiber laser marking machine |
| CN107284042A (en) * | 2017-08-15 | 2017-10-24 | 镇江金海创科技有限公司 | Dynamic focusing test device and laser marking machine |
-
2018
- 2018-04-17 CN CN201810343315.4A patent/CN108573295A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822987A (en) * | 1988-01-25 | 1989-04-18 | Westinghouse Electric Corp. | Method and apparatus for providing fuel rod identification to permit traceability during manufacture and use |
| US5247154A (en) * | 1991-01-17 | 1993-09-21 | Westinghouse Electric Corp. | Method and apparatus for monitoring the laser marking of a bar code label |
| US5811779A (en) * | 1996-08-22 | 1998-09-22 | General Electric Company | Laser bar code reader system for a fuel rod in a boiling water nuclear reactor |
| JPH1123756A (en) * | 1997-07-04 | 1999-01-29 | Hitachi Ltd | Method for identifying atomic fuel rod |
| CN102713943A (en) * | 2009-12-07 | 2012-10-03 | 阿海法核燃料公司 | Device having reduced overall dimensions for identifying a metal substrate in a dusty and metallic environment, and application for identifying containers containing nuclear fuel elements in the production plant thereof |
| CN103298906A (en) * | 2010-12-13 | 2013-09-11 | 阿海珐公司 | Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly |
| CN105047239A (en) * | 2015-07-03 | 2015-11-11 | 中科华核电技术研究院有限公司 | Nuclear fuel assembly repairing, tracking and detecting method and apparatus thereof |
| CN105118535A (en) * | 2015-07-03 | 2015-12-02 | 中科华核电技术研究院有限公司 | Nuclear fuel assembly repair detection control system |
| CN105108344A (en) * | 2015-08-31 | 2015-12-02 | 鞍山英程利远科技有限公司 | Intelligent control system of robot fiber laser marking machine |
| CN107284042A (en) * | 2017-08-15 | 2017-10-24 | 镇江金海创科技有限公司 | Dynamic focusing test device and laser marking machine |
Non-Patent Citations (7)
| Title |
|---|
| 中国物品编码中心: "《物流领域条码技术应用指南》", 31 July 2008 * |
| 张晶: "《多媒体信息与通信》", 31 December 2017 * |
| 徐永红: "《电子封装工艺与装备技术基础教程》", 31 July 2017 * |
| 方辉: "《数控机床热误差及其抑制与补偿》", 31 July 2016 * |
| 李志敏: "《垃圾邮件识别与处理技术研究》", 31 December 2015 * |
| 赵荣椿: "《数字图像处理》", 30 April 2016 * |
| 郭宝龙: "《数字图像处理系统工程导论》", 31 July 2012 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111259852A (en) * | 2020-01-31 | 2020-06-09 | 中国原子能科学研究院 | Identification system and identification method for nuclear power station component codes |
| CN111325044A (en) * | 2020-01-31 | 2020-06-23 | 中国原子能科学研究院 | Method for determining new component code of nuclear power station, identification system and identification method |
| CN111325044B (en) * | 2020-01-31 | 2021-08-20 | 中国原子能科学研究院 | Method for determining new component code of nuclear power station, identification system and identification method |
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