CN205353380U - Inspection device for inspection and quarantine - Google Patents
Inspection device for inspection and quarantine Download PDFInfo
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- CN205353380U CN205353380U CN201521116896.6U CN201521116896U CN205353380U CN 205353380 U CN205353380 U CN 205353380U CN 201521116896 U CN201521116896 U CN 201521116896U CN 205353380 U CN205353380 U CN 205353380U
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Abstract
The utility model discloses an inspection device for inspection and quarantine. The device examines the image processing system of suspicion thing and automatic alarm function including dual intensity CT device, the DR device that has material resolution, the material identification system who has reinforcing demonstration inspection and quarantine concern object (animals and plants, meat etc. ) and automatic mark and highlighted inspection and quarantine. Compared with the prior art, the utility model discloses can stick out the inspection and quarantine identification and pay close attention to the object, can improve port inspection and quarantine identification rate of accuracy and efficiency.
Description
Technical field
This utility model relates to radiant image detection technique field, relates more specifically to can be used for the inspection device of inspection and quarantine examination.
Background technology
Perspective imaging is the requisite means of field of safety check.Dual intensity computed tomography (DECT:DualEnergyCT) based on DR (Digital-Radiography), CT (ComputedTomography), while obtaining scanning thing three dimensional structure information, effective atomic number and the equivalent electron density of interior of articles can be obtained, be realize the advantage technology that material is differentiated.
Examined material is generally divided into inorganic matter (or metal), Organic substance and mixture three class by traditional dual intensity CT examination device, is mainly used in the identification of the article such as explosive, drugs.But, for inspection and quarantine field, pay close attention to when checking at port to as if ecological safety had to animals and plants and the goods thereof etc. of significant impact, such as mammal, bird, all kinds of house pet such as fish, meat and its products, shellfish products, fresh fruit, vegetable, seedling, flowers etc. have the vegetable material etc. of fertility.
Above-mentioned quarantine examination is paid close attention to object and is mostly belonged to Organic substance.Due to most of organic X, to be accused of attenuation quotient relatively low, uses common CT examination device to check in gained image there is the problem that organic zone brightness is big, contrast is little, and this causes utilizing conventional CT image recognition organic identification difficulty very big.Therefore typically require the figure personnel that sentence having wide experience to judge whether to belong to contraband, yet with sentence figure person to sentence figure level difference very big, and manually sentence figure result and be subject to subjective factors impact, it is easy to cause high False Rate.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of inspection device that can be used for inspection and quarantine examination.
In one of the present utility model, it is proposed that a kind of inspection and quarantine inspection device, including: load carrier, carry inspected object；First x-ray source, is arranged on the side of load carrier, sends the X ray of direction of motion perpendicular with load carrier；First detection and data acquisition unit, with the opposite side that described first x-ray source is oppositely arranged on load carrier, wherein formation inspection area between the first x-ray source and load carrier；Controller, is connected with load carrier, the first x-ray source and the first detection and data acquisition unit, and controls load carrier and inspected object is carried out CT scan by the first x-ray source；Computer, detects with described controller and described first and data acquisition unit is connected, and the data that storage CT scan obtains carry out image reconstruction and inspection and quarantine Object Classification, and export inspection and quarantine Object Classification result.
According to embodiment of the present utility model, described inspection device also includes: the second x-ray source being arranged side by side with described first x-ray source, is arranged on the side of load carrier, sends the X ray of direction of motion perpendicular with load carrier；Second detection and data acquisition unit, with the opposite side that described second x-ray source is oppositely arranged on load carrier, wherein formation inspection area between the second x-ray source and load carrier；Described controller detects with described second x-ray source and described second and data acquisition unit is connected, and controls them and inspected object is carried out transmission scan；Described computer is connected with described second detection and data acquisition unit, the data that storage transmission scan obtains.
According to embodiment of the present utility model, described controller is connected to load carrier, the first x-ray source, the second x-ray source, the first detection and data acquisition unit and the second detection and data acquisition unit by controlling circuit, and controls CT scan and transmission scan is synchronously performed.
According to embodiment of the present utility model, described controller is connected to the first x-ray source and the first detection and data acquisition unit by controlling circuit, the first x-ray source is made to send continuum X ray, in conjunction with dual-energy detector or eds detector to carry out the CT scan of dual intensity CT scan or more multi-energy；Or the first x-ray source sends high and low power X ray, to carry out dual intensity CT scan.
According to embodiment of the present utility model, described x-ray source is single X ray source point or distributed X-ray source.
According to embodiment of the present utility model, it is oppositely arranged with described detector and data acquisition unit, it is achieved no frame CT structure or organic frame CT structure.
According to embodiment of the present utility model, described computer has the function strengthening display inspection and quarantine perpetual object automatic marking, and highlights inspection and quarantine examination suspicion thing and automatic alarm.
According to embodiment of the present utility model, described computer can hide the non-organic thing composition in checked object automatically when the image that display is rebuild.
According to embodiment of the present utility model, Organic substance is identified and distinguishes by described computer, and inspection and quarantine concern thing is carried out automatic marking.
According to embodiment of the present utility model, computer can be divided into stand-alone item automatically by loading in mixture inspected object.
According to embodiment of the present utility model, inspection and quarantine is checked suspicion thing according to article three-dimensional profile bound substances recognition result and is highlighted by computer, and automatic alarm.
According to embodiment of the present utility model, computer records the contraband resemblance of the frequent labelling of user automatically.
According to embodiment of the present utility model, computer is connected with cloud server, inspection data is uploaded to cloud server or from cloud server more new database.
Utilize this inspection device can provide the 3-D view of checked object, and inspected object can be carried out Object Classification, material is paid close attention in inspection and quarantine and carries out automatic marking.Furthermore it is possible to make check image more directly perceived according to the prominent inspection and quarantine suspicion thing of 3-D view.Utilize this inspection device can improve Check and Examination of Port quarantine examination accuracy rate and efficiency.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram checking device of one embodiment of this utility model；
Fig. 2 is shown in the structural representation of the computer installation checked in device as shown in Figure 1；
Fig. 3 illustrates the structural representation checking device middle controller according to this utility model embodiment；
Fig. 4 illustrates the schematic diagram checking device of another embodiment of this utility model；
Fig. 5 illustrates the structural representation checking device as shown in Figure 4.
Detailed description of the invention
Below, of the present utility model preferred implementation is described in detail with reference to the accompanying drawings.In the accompanying drawings, although be shown in different accompanying drawings, but identical accompanying drawing labelling for representing identical or similar assembly.For clarity and conciseness, the detailed description being included in known function here and structure will be omitted, it is prevented that makes theme of the present utility model unclear.Below example is used for illustrating this utility model, but is not intended to limit scope of the present utility model.
Fig. 1 illustrates the structural representation checking device according to this utility model embodiment.As it is shown in figure 1, the inspection device according to the present embodiment is specially a CT equipment, for inspection and quarantine field.This CT equipment includes: frame 20, load carrier 40, controller 50, computer 60 etc..Frame 20 includes the radiographic source 10 sending X ray, such as X-ray machine, and detection and harvester 30.In certain embodiments, it is possible to make x-ray source send continuum X ray, and in conjunction with dual-energy detector or eds detector to carry out the CT scan of dual intensity CT scan or more multi-energy.In certain embodiments, x-ray source can be dual-energy x-ray source, and detector also is able to receive the X ray of dual intensity or more kinds of energy, thus inspected object 70 is carried out dual-energy x-ray inspection.
Load carrier 40 carry inspected object 70 through the radiographic source 10 of frame 20 and detection with harvester 30 scanning area, frame 20 rotates around the direction of advance of inspected object 70 simultaneously, thus the ray sent by radiographic source 10 can pass through inspected object 70, inspected object 70 is carried out CT scan.Here the CT scan carried out can be helical scanning can also be circular scanning or other scan modes.
Detection and harvester 30 can be have non-detachable mold block structured detector and data acquisition unit, such as flat panel detector, for detecting the ray of transmission inspected object, obtain analogue signal, and convert analog signals into digital signal, thus export the inspected object 70 data for projection for X ray.
Controller 50 controls the various piece synchronous working of whole system.Computer 60 is used for locating the data that reason data acquisition unit gathers, and data is processed and rebuilds, and exports result.Such as, inspected object 70 is successively by after CT device scan, the dual intensity 3 d image data obtained sends into computer 60, inspected object 70 is carried out Object Classification according to view data by the substance identification system installed in computer 60, obtain the characteristic information of material, such as equivalent atom ordinal sum density etc., and can 3-D view be carried out painted, the article being judged as inspection and quarantine perpetual object (animals and plants, meat etc.) are carried out automatic marking.
As it is shown in figure 1, radiographic source 10 is placed in the side of inspected object 70, detection and harvester 30 are placed in the opposite side of inspected object 70, including detector and data acquisition unit, for obtaining transmission data and/or the multi-angle projection data of examined luggage 70.Data acquisition unit includes data and amplifies wave-shaping circuit, and it is operable with (electric current) integral way or pulse (counting) mode.The data output cable of detection and harvester 30 is connected with controller 50 and computer 60, the data of collection is stored in computer 60 according to trigger command.Although using the mode of the CT structure of organic frame in the illustrated embodiment, it will be recognized to those skilled in the art that in other embodiments, radiographic source and detector can adopt the mode of no frame CT structure.
Fig. 2 illustrates the structured flowchart of computer 60 as shown in Figure 1.As in figure 2 it is shown, the data that data acquisition unit gathers are stored in memorizer 61 by interface unit 68 and bus 64.In read only memory (ROM) 62, storage has configuration information and the program of computer data processor.Random access memory (RAM) 63 is for various data temporary in processor 66 work process.It addition, also storage has the computer program for carrying out data process in memorizer 61, for instance Object Classification program and image processing program etc..Internal bus 64 connects above-mentioned memorizer 61, read only memory 62, random access memory 63, input equipment 65, processor 66, display device 67 and interface unit 68.
After the operational order that user is inputted by the input equipment 65 of such as keyboard and mouse etc, the instruction code command processor 66 of computer program performs predetermined data processing algorithm, after obtaining data processed result, it is shown on the display device 67 of such as LCD display etc, or directly with the form output processing result of such as printing etc hard copy.
The data for projection that detection and harvester 30 obtain is stored in computer 60 and carries out CT tomographic image reconstructing, thus obtaining the faultage image data of inspected object 70.Then computer 60 extracts the 3D shape parameter of at least one object inspected object 70 by performing software from faultage image data, for judging whether this inspected object 70 belongs to contraband and provide basis for estimation.According to other embodiments, above-mentioned CT imaging system can also be double-energy CT system, namely the x-ray source 10 of frame 20 can send high energy and two kinds of rays of mental retardation, after detection and harvester 30 detect the data for projection under different-energy level, carried out dual intensity CT reconstruction by computer data processor 60, obtain the equivalent atom ordinal sum density data of each tomography of inspected object 70.In this case, computer 60 can obtain the material property of inspected object 70, for instance plant or meat, for judging whether this inspected object 70 belongs to contraband and provide basis for estimation.
Fig. 3 illustrates the structured flowchart of the controller according to this utility model embodiment.As it is shown on figure 3, controller 50 includes: control unit 51, according to the instruction from computer 60, control radiographic source 10, load carrier 40 and detection and harvester 30；Trigger signal generation unit 52, for producing the trigger command being used for triggering the action of radiographic source 10, detection and harvester 30 and load carrier 40 under the control of the control unit；First drives equipment 53, and it drives load carrier 40 to transmit inspected object 70 at the trigger command produced under the control of control unit 51 according to triggering signal generation unit 52；Second drives equipment 54, and the trigger command frame 20 that it produces under the control of control unit 51 according to triggering signal generation unit 52 rotates.The data for projection that detection and harvester 30 obtain is stored in computer 60 and carries out CT tomographic image reconstructing, thus obtaining the faultage image data of inspected object 70.Then computer 60 carries out the identification of material atom ordinal number by performing software, conveniently sentences figure person and tests.According to other embodiments, above-mentioned CT imaging system can also be double-energy CT system, namely the x-ray source 10 of frame 20 can send high energy and two kinds of rays of mental retardation, after detection and harvester 30 detect the data for projection under different-energy level, carried out dual intensity CT reconstruction by computer 60, obtain the equivalent atom ordinal sum density data of each tomography of inspected object 70.
Fig. 4 illustrates the schematic diagram checking device of another embodiment of this utility model.In the embodiment shown in fig. 4, inspected object 410 is placed on load carrier 440 and tests, and passes sequentially through DR system 420 and double-energy CT system 430.In the embodiment illustrated in figure 4, double-energy CT system 430 and DR system 420 can synchronous operations.
Fig. 5 illustrates the detailed construction schematic diagram checking device as shown in Figure 4.Inspection device as shown in Figure 5 includes the DR system in left side and the double-energy CT system on right side, and they share load carriers 530, for instance belt etc., and its carrying inspected object 513 advances.
DR x-ray source 511 sends X ray 512, penetrates the inspected object 513 on load carrier 530, and transmission signal is received by detector module 514, and Acquisition Circuit 515 converts analog signals into digital signal, is sent to controller 517 and computer 518 etc..Obtaining the transmission image of inspected object 513 in computer 518, storage in memory or shows.
In certain embodiments, radiographic source 511 can include single X ray source point, it is also possible to includes multiple x ray generator, for instance includes the distributed X-ray source of multiple X ray source point.
As it is shown in figure 5, load carrier 530 carries inspected object 513 through the scanning area radiographic source 511 and detector 514.In certain embodiments, detector 514 and Acquisition Circuit 515 are to have non-detachable mold block structured detector and data acquisition unit, such as multi-detector, for detecting the ray of transmission inspected object, obtain analogue signal, and convert analog signals into digital signal, thus export the inspected object 513 data for projection for X ray.Controller 517 is for controlling the various piece synchronous working of whole system.Computer 518 is used for locating the data that reason data acquisition unit gathers, and data is processed and rebuilds, and exports result.
According to this embodiment, detector 514 and Acquisition Circuit 515 for obtaining the transmission data of inspected object 513.Acquisition Circuit 515 includes data and amplifies wave-shaping circuit, and it is operable with (electric current) integral way or pulse (counting) mode.Acquisition Circuit 515 is connected with controller 517 and computer 518, the data of collection is stored in data handling machine 518 according to trigger command.
In certain embodiments, detector module 514 includes multiple probe unit, receives the X ray penetrating inspected object.Data acquisition circuit 515 and detector module 514 couple, and the signal that detector module 514 produces is converted to detection data.Controller 517 is connected with radiographic source 511 by controlling circuit CTRL11, it is connected with detector module 514 by controlling circuit CTRL12, and it is connected with data acquisition circuit 515, controlling at least one x ray generator in radiographic source and produce X ray, penetrating inspected object thus sending along with moving of inspected object.Additionally, controller 517 controls detector module 514 and data acquisition circuit 515, it is thus achieved that detection data.Computer 518 rebuilds the image of inspected object based on detection data.
Along with inspected object continues to advance forward, inspected object is carried out CT scan by double-energy CT system.CT x-ray source 521 sends X ray 522, penetrate the inspected object 513 on load carrier 530, traveling along with object, radiographic source 521 and detector 524 rotate, thus carrying out CT scan, projection signal is received by detector module 524, and Acquisition Circuit 525 converts analog signals into digital signal, is sent to controller 517 and computer 518 etc..Obtaining the faultage image of inspected object 513 in computer 518, storage in memory or shows.
In certain embodiments, detector module 524 includes multiple probe unit, receives the X ray penetrating inspected object.Data acquisition circuit 525 and detector module 524 couple, and the signal that detector module 525 produces is converted to detection data.Controller 517 is connected with radiographic source 521 by controlling circuit CTRL21, it is connected with detector module 524 by controlling circuit CTRL22, and it is connected with data acquisition circuit 525, two the high and low power X ray generators controlled in radiographic source are alternately produced high and low power X ray, inspected object is penetrated, it is achieved dual intensity CT scan thus sending along with moving of inspected object.Additionally, controller 517 controls detector module 524 and data acquisition circuit 525, it is thus achieved that data for projection.Computer 518 rebuilds the image of inspected object based on data for projection, and carries out Object Classification.
Such as, in the embodiment shown in fig. 4, inspected object 410 is successively by DR system 420 and double-energy CT system 430, and two peacekeeping dual intensity 3 d image datas of gained are sent into computer and carried out Object Classification.Substance identification system in a computer is installed and according to view data, checked object is carried out Object Classification, the information such as the equivalent atom ordinal sum density obtaining different material, and two dimensional image and 3-D view are carried out painted, the article being judged as inspection and quarantine perpetual object (animals and plants, meat etc.) are carried out automatic marking.
In a preferred embodiment of the present utility model, the part being identified as non-organic thing can be hidden by substance identification system from image, thus highlighting organic components.
In a preferred embodiment of the present utility model, Organic substance can also will be identified and distinguished between by substance identification system more accurately, and plant, animal, meat and its products are marked with different colors respectively.Additionally, through the incoming image processing system of image of Object Classification mark, by image processing system, suspicion thing is checked in inspection and quarantine in computer 518 and be highlighted, and automatic alarm.
In a preferred embodiment of the present utility model, various article the image of the checked object loaded in mixture can be automatically divided into independent article by the image processing system in computer 518 according to contour edge, thus facilitating inspection personnel to sentence figure.
In a preferred embodiment of the present utility model, image processing system in computer 518 can also by the outward appearance of checking matter 3-D view and suspicion object image data base contrast, and the result of bound substances identification, prominent inspection and quarantine examination suspicion thing further, thus improving automatic alarm accuracy.
In a preferred embodiment of the present utility model, the image processing system in computer 518 can also have self-learning function, can automatically identify contraband resemblance the input database of the frequent labelling of user, thus increasing automatic alarm accuracy further.
In a preferred embodiment of the present utility model, the image processing system in computer 518 can configure cloud data collection function, for instance be connected with cloud server, inspection data are uploaded to cloud server.The image viewing authority of cloud server as required, can be opened to different objects, or accessed other management systems by user.
Image processing system configurable data storehouse cloud more New function in a preferred embodiment of the present utility model, in computer 518, for instance be connected with cloud server, from high in the clouds, alarm database be updated.
Although describing according to the inspection device for inspection and quarantine examination of the present utility model by specific embodiment, but this device can be applied in other field to solve the examination problem of other industry by those skilled in the art, therefore those skilled in the art are in that all corresponding amendment, improvement, extension and the application that carry out on the basis of this given embodiment of the present utility model all should fall in scope of the present utility model as defined by the appended claims.
Claims (13)
1. an inspection and quarantine is with checking device, it is characterised in that described inspection and quarantine inspection device includes:
Load carrier, carries inspected object；
First x-ray source, is arranged on the side of load carrier, sends the X ray of direction of motion perpendicular with load carrier；
First detection and data acquisition unit, with the opposite side that described first x-ray source is oppositely arranged on load carrier, wherein formation inspection area between the first x-ray source and load carrier；
Controller, is connected with load carrier, the first x-ray source and the first detection and data acquisition unit, and controls load carrier and inspected object is carried out CT scan by the first x-ray source；
Computer, detects with described controller and described first and data acquisition unit is connected, and the data that storage CT scan obtains carry out image reconstruction and inspection and quarantine Object Classification, and export inspection and quarantine Object Classification result.
2. check device as claimed in claim 1, it is characterised in that described inspection and quarantine checks that device also includes:
The second x-ray source with described first x-ray source is arranged side by side, is arranged on the side of load carrier, sends the X ray of direction of motion perpendicular with load carrier；
Second detection and data acquisition unit, with the opposite side that described second x-ray source is oppositely arranged on load carrier, wherein formation inspection area between the second x-ray source and load carrier；
Described controller detects with described second x-ray source and described second and data acquisition unit is connected, and controls them and inspected object is carried out transmission scan；
Described computer is connected with described second detection and data acquisition unit, the data that storage transmission scan obtains.
3. check device as claimed in claim 2, it is characterized in that, described controller is connected to load carrier, the first x-ray source, the second x-ray source, the first detection and data acquisition unit and the second detection and data acquisition unit by controlling circuit, and controls CT scan and transmission scan is synchronously performed.
4. check device as claimed in claim 2, it is characterized in that, described controller is connected to the first x-ray source and the first detection and data acquisition unit by controlling circuit, the first x-ray source is made to send continuum X ray, in conjunction with dual-energy detector or eds detector to carry out the CT scan of dual intensity CT scan or more multi-energy；Or make the first x-ray source send high and low power X ray, to carry out dual intensity CT scan.
5. check device as claimed in claim 1, it is characterised in that described x-ray source is single X ray source point or distributed X-ray source.
6. check device as claimed in claim 1, it is characterised in that described detector and data acquisition unit are oppositely arranged, it is achieved no frame CT structure or organic frame CT structure.
7. check device as claimed in claim 1, it is characterised in that described computer has the function strengthening display inspection and quarantine perpetual object automatic marking, and highlights inspection and quarantine examination suspicion thing and automatic alarm.
8. check device as claimed in claim 1, it is characterised in that described computer can hide the non-organic thing composition in checked object automatically when the image that display is rebuild.
9. check device as claimed in claim 1 or 2, it is characterised in that Organic substance is identified and distinguishes by described computer, and inspection and quarantine concern thing is carried out automatic marking.
10. check device as claimed in claim 1, it is characterised in that computer can be divided into stand-alone item automatically by loading in mixture inspected object.
11. check device as claimed in claim 1, it is characterised in that inspection and quarantine is checked suspicion thing according to article three-dimensional profile bound substances recognition result and is highlighted by computer, and automatic alarm.
12. check device as claimed in claim 1, it is characterised in that computer records the contraband resemblance of the frequent labelling of user automatically.
13. check device as claimed in claim 1, it is characterised in that computer is connected with cloud server, inspection data are uploaded to cloud server or from cloud server more new database.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521116896.6U CN205353380U (en) | 2015-12-29 | 2015-12-29 | Inspection device for inspection and quarantine |
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| CN201521116896.6U CN205353380U (en) | 2015-12-29 | 2015-12-29 | Inspection device for inspection and quarantine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527654A (en) * | 2015-12-29 | 2016-04-27 | 中检科威（北京）科技有限公司 | Examination device for inspection and quarantine |
| WO2018095069A1 (en) * | 2016-11-24 | 2018-05-31 | 同方威视技术股份有限公司 | Simulated training apparatus, method and system for security check |
| US10436932B2 (en) | 2015-12-29 | 2019-10-08 | Nuctech Company Limited | Inspection systems for quarantine and methods thereof |
-
2015
- 2015-12-29 CN CN201521116896.6U patent/CN205353380U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527654A (en) * | 2015-12-29 | 2016-04-27 | 中检科威（北京）科技有限公司 | Examination device for inspection and quarantine |
| US10416344B2 (en) | 2015-12-29 | 2019-09-17 | Cints Co. Ltd. | Inspection devices for quarantine |
| US10436932B2 (en) | 2015-12-29 | 2019-10-08 | Nuctech Company Limited | Inspection systems for quarantine and methods thereof |
| WO2018095069A1 (en) * | 2016-11-24 | 2018-05-31 | 同方威视技术股份有限公司 | Simulated training apparatus, method and system for security check |
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