CN103984036A - Screening method for operating a plurality of screening sensors, and screening system - Google Patents
Screening method for operating a plurality of screening sensors, and screening system Download PDFInfo
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- CN103984036A CN103984036A CN201310706865.5A CN201310706865A CN103984036A CN 103984036 A CN103984036 A CN 103984036A CN 201310706865 A CN201310706865 A CN 201310706865A CN 103984036 A CN103984036 A CN 103984036A
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Abstract
The invention provides a screening method for operating a plurality of screening sensors, and a screening system. The screening method comprises capturing a first optical image by using the plurality of screening sensors. The method further comprises identifying a target on the plurality of screening sensors based on the first optical image. The method further comprises measuring radiation emitted and/or reflected by the target through the plurality of screening sensors, and generating threat analysis about the target according to the radiation measured by the plurality of screening sensors.
Description
Technical field
The disclosure relates to screening and threat analysis field.
Background technology
Screening system for example, for detection of the menace thing such as rifle, cutter and explosive that is attached to target (, people or her belongings).Screening system is by measuring the radiation that exposes order and be reflected or send to it, or the radiation of launching from target itself by measurement operates.
Under conventional screen selection shape, as the single-sensor using in airport for example by personnel's manual operation with screening target.In order to screen object, another possible device is to use fixing and bulky device.Use these systems, can screen a surface of target.
In order to increase level of security, the suggestion screening more than one surface of target.This by rotating object or by surrounding target rotate screening sensor complete.More system provides bulky sensor, and it is positioned at the front and back of target.Also can use such as the energy-rich radiation of X ray and screen target.But because in the time being applied to living organism, this can cause health risk, so only should use this method to screen abiotic target.
Use described system, can not detect the capped menace object that is attached to target.For example, this should be for the situation the mobile people of group.Equally, the operator of screening system is not easy to surrounding target rotation system, and screened people is also not easy to rotate before screening system.In addition, in precalculated position, only local screening target.
Be necessary to provide improved screening technique and improved screening system.
Summary of the invention
According to the embodiment of screening technique, the method comprises and catches the first optical imagery with multiple screening sensors.The method is further included on multiple screening sensors based on the first optical image recognition target.The method further comprises the radiation that uses multiple screening sensor measurements to launch from target, and produces the threat analysis about target according to the radiation of multiple screening sensor measurements.
According to the embodiment of screening system, this system comprises: multiple screening sensors, the radiation of be configured to catch optical imagery, launching from optical image recognition target, measurement from target and the radiation generation radial section figure according to measurement.This system can further comprise central controller, it is configured to receive from the radial section figure of multiple screening sensors, produce about the threat analysis of target and at least one in multiple screening sensors and send threat analysis via network, wherein, based on threat analysis, on multiple screening sensors, produce alarm signal.
Above-mentioned paragraph is provided by introduction substantially, and is not intended to limit the scope of following claim.The embodiment of best understanding having been described with reference to following embodiment by reference to the accompanying drawings and more advantage.The element of accompanying drawing each other need not be in proportion.
Brief description of the drawings
More complete evaluation of the present disclosure and its many bonus will be easily obtained, and as when considered in conjunction with the accompanying drawings, with reference to following embodiment, it becomes better understands, wherein:
Fig. 1 shows the schematic diagram of an embodiment of the screening system that comprises multiple screening sensors.
Fig. 2 A and Fig. 2 B show emitted radiation to target and from the schematic diagram of an embodiment of the screening system of target received radiation.
Fig. 3 shows and comprises an embodiment that uses screening sensor to catch image and identify the treatment scheme of the screening method of target from image.
Fig. 4 shows the schematic diagram of an embodiment of the screening system of the position of the multiple screening sensors in location and target.
Fig. 5 shows the schematic diagram of the two-dimensional radiation face that shows the menace object that is attached to target.
Fig. 6 A shows emitted radiation face to central controller and receives the schematic diagram of an embodiment of the screening system of threat analysis from central controller.
Fig. 6 B shows the schematic diagram that sends the screening sensor of data via mobile phone.
Fig. 7 shows an embodiment of the treatment scheme of the screening method that produces threat analysis on central controller.
Embodiment
With reference now to accompanying drawing,, wherein, run through several views, the similarly identical or corresponding part of reference number instruction, Fig. 1 shows an embodiment of screening system 100.Screening system 100 comprises the multiple screening sensor 110a that point to target 120 ... 110c.Screening sensor 110a ... 110c never ipsilateral points to target 120, and can point to target 120 with several different visual angles.Be people although target 120 is shown in Figure 1, target 120 may be also any other article such as a part, group or such as suitcase, bag etc. of group.In addition screening sensor 110a ... the number of 110c is not limited to three, but can comprise the screening sensor 110 of arbitrary number.
Multiple screening sensor 110a ... the first optical imagery 130a of 110c captured target 120 ... 130c.As shown in Figure 1, screening sensor 110a ... 110c can captured target 120 side, the back side and the first positive optical imagery 130a ... 130c.Screening sensor 110a ... 110c also can captured target 120 the first optical imagery 130 of any other parts.As shown in Figure 1, screening sensor 110a ... 110c can show the first optical imagery 130a ... 130c.Only do not show them in order to process, screening sensor 110a ... 110c also can catch the first optical imagery 130a ... 130c.
Multiple screening sensor 110a ... at least one screening sensor 110a of 110c makes identifier 140 be associated with target 120.Identifier 140 can be associated to target 120 by artificially.By the first optical imagery 130a and the database relatively being caught by least one screening sensor 110a, and by an identification target 120 in the intelligent identification technologies such as face recognition, target identification and behavior identification, identifier 140 automatically can be associated to target 120.
As shown in arrow 145, other screening sensor 110b, the screening sensor 110c of at least one screening sensor 110a and multiple screening sensors share identifier 140.Identifier 140 also can be by multiple screening sensor 110a ... screening sensor more than one in 110c is associated to target 120.If different identifiers is associated to target 120 by two or more screening sensors, screen sensor 110a ... relatively their identifiers separately and ensure all multiple screening sensor 110a of 110c ... 110c shares the identical identifier 140 for a target 120.Target 120 can be known and can from database, be identified in advance.Target 120 can be also unknown, and identifier 140 is associated with to target 120 guarantees at multiple screening sensor 110a ... in each screening process in 110c, target 120 is not mistaken as another target.
According to another embodiment, multiple screening sensor 110a ... at least one of 110c is portable.For example, at least one screening sensor 110 is attached in mobile phone or mobile phone.At least one screening sensor 110 can be also panel, panel computer, PDA(Personal Digital Assistant) and in other electronic equipment arbitrarily.So available portable screening sensor 110 screens the target capped by surrounding 120.Target 120 may be covered by single people or group.Target 120 also may be coated over for example another article of pillar, suitcase or other screening barrier.By at all multiple screening sensor 110a ... between 110c, share identifier 140, can identify clearly the target 120 of covering.Further, by using multiple screening sensor 110a ... 110c, screening sensor 110a ... 110c or target 120 needn't be in order to screen target 120 from all sides around rotating each other.Multiple screening sensor 110a ... 110c also can enough littlely become possibility so that screen target 120 in the situation that target 120 is not recognized.This makes the secret supervision of height menace target become possibility, and in monitor procedure, increases level of security.In addition, can tracking target 120 in screening target 120.This further increases level of security.
At multiple screening sensor 110a ... after each in 110c identified target 120, multiple screening sensor 110a ... 110c measures the radiation of launching from target 120.According to an embodiment, be the one of blackbody radiation from least a portion radiation of target transmitting.Blackbody radiation can be heat radiation or electromagnetic radiation.Blackbody radiation can be infrared radiation.Then, screening sensor 110a ... at least one of 110c can be self can not emitted radiation passive sensor.
According to as another embodiment of Fig. 2 A and Fig. 2 B, at least one of multiple screening sensors 210 is that active sensor and the electromagnetic wave 250 of launching for example radar wave are to target 220.At least a portion radiation of then, being measured by multiple screening sensors 210 can comprise the reflection 255 of target 220 to electromagnetic wave 250.
Multiple screening sensor 110a ... 110c can comprise passive and active sensor.Multiple screening sensor 110a ... at least one of 110c can be passive and active sensor.Passive and active sensor may switch between passive mode and active mode.For any screening situation, switching can be automatically or artificially adjust, and can suitably adjust.
Measuring after the radiation of target 120a transmitting, produce the threat analysis about target 120.Threat analysis can be at multiple screening sensor 110a ... on one in 110c, at multiple screening sensor 110a ... more than one upper, local computing power station and the remote location of 110c produce.
By in conjunction with multiple screening sensor 110a ... passive and active sensor within 110c, because cover the more wide region of spectrum and be used to threat analysis from the data of all spectral ranges, that threat analysis can become is more efficient.In the time that passive sensor detects the blackbody radiation of launching from target 120, active sensor is by using radar wave can more easily penetrate the skin of the target of for example people's clothing.This,, by improving within target 120 or be attached to the material analysis of target 120, causes improving threat detection.
Fig. 3 shows the treatment scheme of screening technique.
At S300, use multiple screening sensor 110a ... 110c catches the first optical imagery 130a ... 130c.
At S310, at multiple screening sensor 110a ... 110c is based on the first optical imagery 130a ... 130c identifies target 120.
At S320, with multiple screening sensor 110a ... 110c measures the radiation of launching from target 110.
At S330, according to multiple screening sensor 110a ... the radiation that 110c measures produces the threat analysis about target 120.
Fig. 4 shows another embodiment of screening system 400.According to embodiment, locate and store multiple screening sensor 410a ... position relative to each other of 410c and target 420 are with respect to multiple screening sensor 410a ... the position of 410c.
As arrow 412a ... shown in 412c, by determining multiple screening sensor 410a ... distance between each sensor in 410c, may locate relative position.Further, as arrow 412a ... shown in 412c, by determining multiple screening sensor 410a ... distance between 410c and target 420, can locate relative position.According to the return measurement time of one in the electromagnetic radiation of for example light, radar wave, infrared radiation, UV radiation and infrasonic wave and hyperacoustic transmitting, can determine relative position.Can determine relative position by any other possible method.
By using multiple screening sensor 410a ... GPS (GPS) coordinate of 410c and can determine GPS by the triangulation of target 420 positions.
According to an embodiment, in the time measuring the radiation of launching from target 420, determine position.According to another embodiment, after producing threat analysis, determine position.
Position can be stored in multiple screening sensor 410a ... in the internal memory of 410c.Position also can be stored at least one in local computing power station and remote location.
According to another embodiment, multiple screening sensor 110a ... the each generation of the radiation according to measurement radial section figure in 110c.The radiation of measuring may be radar wave, the radioactive radiation of heat radiation, infrared radiation, reflection and be one in any other type of radiation of electromagnetic radiation especially.Fig. 5 is according to for example hiding menace object 570(, rifle or cutter) the schematic illustration of the two-dimensional radiation sectional view 560 that produces of target 520 radiation of launching.Except the visible outline of optics of target 520, it is visible that radial section Figure 56 0 also makes to be attached to the menace object 570 of target.In more than one spectral range, the screening sensor that can carry out passive screening and active screening also can produce radial section Figure 56 0.
According to screening system 500 embodiment, threat analysis comprises whether menace object 570 is attached to the hint of target 520.According to another embodiment, threat analysis further comprises shape and the position of the menace object 570 that is attached to target 520.Threat analysis also may comprise the type of the menace object 570 that is attached to target 520.This may be to obtain with target database and by use object identification software by comparing radial section Figure 56 0.
Fig. 6 A shows another embodiment of screening system 600.Except multiple screening sensor 610a ... outside 610c and target 620, screening system 600 also comprises network 680 and central controller 690.By multiple screening sensor 610a ... 610c produce radial section figure via network 680 from multiple screening sensor 610a ... 610c is sent to central controller 690.Radial section figure also can be at multiple screening sensor 610a ... the measurement result of 610c produces after being sent to central controller 690 via network 680 on central controller 690.
Central controller 690 can be included in multiple screening sensor 610a ... in one in 610c.Central controller 690 can be to be positioned to approach multiple screening sensor 610a ... the local computing power station of 610c.Central controller 690 can be also remote computation station or system for cloud computing.
As shown in Figure 6B, sending radial section figure from multiple screening sensors 610 can complete by cable 616 via at least one the mobile phone 615 being attached to multiple screening sensors 610.At least one screening sensor 610 can be panel, panel computer, PDA and in other electronic equipment arbitrarily.At least one screening sensor 610 also can be included in mobile phone 615 or can be mobile phone 615.According to another embodiment, for example, via the Wireless Personal Network of WLAN (wireless local area network), for example bluetooth or the similar network of for example WiFi or similar network, send radial section figure by of flying in the wireless wide area network of honeycomb, Mobile routing or similar devices and portable access point.
Central controller 690 receives from multiple screening sensor 610a ... the radial section figure of 610c and generation threat analysis.After producing threat analysis, central controller 690 sends threat analysis to screening sensor 610a via network 680 ... at least one of 610c.If threat analysis indicating target 620 is adventurous, at multiple screening sensor 610a ... 610c produces alarm.For example, can produce alarm when attached menace object 570 at threat analysis indicating target 620.Also can produce alarm when menace object 570 attached reservation shape or in precalculated position at threat analysis indicating target 620.Also can produce alarm when the attached target according to database identification at threat analysis indicating target 620.
Because multiple screening sensor 610a ... at least one in 610c can be of portable form, so even in the crowded position of various article coverage goals 620, also can identify menace target 620.Send radial section figure via network 680 to central controller 690 and guarantee to produce fast and reliably threat analysis.Further, by processing load from multiple screening sensor 610a ... 610c is separated to central controller 690, multiple screening sensor 610a ... it is small and exquisite and can rapid screening that 610c can be made for.Therefore, can screen in confidence at short notice a large amount of targets, this causes level of security to improve.
According to another embodiment, after producing threat analysis, by using multiple screening sensor 610a ... 610c takes the second optical imagery, screening sensor 610a ... their position, 610c location and the position of target 620, and based on the second optical imagery, again identify target 620.Can be according to complete screening sensor 610a about the description of Fig. 4 ... determining of 610c and target 620 positions.Multiple screening sensor 610a ... the position of 610c and target 620 can be stored in central controller 690 or be stored in screening sensor 610a ... 610c.
Fig. 7 shows the treatment scheme of screening technique.
At S700, multiple screening sensor 610a ... 610c measures the radiation of launching from target 620.
At S710, according to the radiation of measuring, screening sensor 610a ... 610c produces radial section figure.
At S720, radial section figure via network 680 from multiple screening sensor 610a ... 610c is sent to central controller 690.
At S730, on central controller 690, produce threat analysis.
At S740, multiple screening sensor 610a ... at least one in 610c receives threat analysis via network 680 from central controller 690.
At S750, based on threat analysis, at multiple screening sensor 610a ... the upper generation of 610c alarm.
Obvious, according to above instruction, can carry out numerous modifications and variations to the present invention.Therefore, should be appreciated that within the scope of the appended claims, may from the different the present invention of practice are described herein particularly.
Claims (18)
1. a screening technique, comprising:
Catch the first optical imagery with multiple screening sensors;
On described multiple screening sensors based on described the first optical image recognition target;
Use the radiation of described multiple screening sensor measurement from described target transmitting; And
Produce the threat analysis about described target according to the described radiation of described multiple screening sensor measurements.
2. screening technique according to claim 1, wherein, by a described target of identification in face recognition, object identification and behavior identification.
3. screening technique according to claim 1 and 2, wherein, identifies described target and is included between described multiple screening sensor and shares the identifier being associated with described target, wherein, and described identifier artificially or be automatically associated with described target.
4. according to the screening technique described in any one in the claims, further comprise:
Make described threat analysis can be used at least one of described multiple screening sensors.
5. according to the screening technique described in any one in the claims, further comprise:
Locate and store described multiple screening sensor position relative to each other, and in the time measuring the described radiation of launching from described target, locate and store the position of described target with respect to described multiple screening sensors.
6. according to the screening technique described in any one in the claims, wherein, described threat analysis comprises whether menace object is attached to described target.
7. screening technique according to claim 6, wherein, described threat analysis further comprises shape and the position of the described object that is attached to described target.
8. according to the screening technique described in any one in the claims, further comprise:
After producing described threat analysis, use described multiple screening sensor to catch the second optical imagery;
Based on target described in described the second optical image recognition; And
Locate described target.
9. according to the screening technique described in any one in the claims, further comprise:
Produce radial section figure according to the described radiation of described multiple screening sensor measurements;
Send described radial section figure from described multiple screening sensors to central controller by network;
In at least one in described multiple screening sensors, receive described threat analysis; And
On described multiple screening sensors, produce alarm based on described threat analysis;
Wherein, described threat analysis produces on described central controller.
10. screening technique according to claim 9, wherein, described radial section figure is sent to described central controller via mobile phone.
11. screening techniques according to claim 9, wherein, described radial section figure is sent to described central controller via one in WLAN (wireless local area network), Wireless Personal Network, wireless wide area network.
12. according to the screening technique described in any one in the claims, wherein, is the one blackbody radiation from least a portion radiation of described target transmitting.
13. according to the screening technique described in any one in the claims, further comprises:
At least one from described multiple screening sensors is to described target emitting electromagnetic wave;
Wherein, be the described electromagnetic reflection of described target at least one transmitting from described multiple screening sensors from least a portion radiation of described target transmitting.
14. according to the screening technique described in any one in the claims, and wherein, at least one in described multiple screening sensors is of portable form.
15. 1 kinds of screening systems, comprising:
Multiple screening sensors, the radiation of be configured to catch optical imagery, launching from described optical image recognition target, measurement from described target and the radiation generation radial section figure according to measurement; And
Central controller, is configured to receive from the described radial section figure of described multiple screening sensors, produce about the threat analysis of described target and at least one in described multiple screening sensors and send described threat analysis via network;
Wherein, based on described threat analysis, produce alarm signal at described multiple screening sensors.
16. screening systems according to claim 15 wherein, are the one blackbody radiation from least a portion radiation of described target transmitting.
17. according to the screening system described in claim 15 or 16, wherein, described multiple screening sensor is further configured to from least one of described multiple screening sensors to described target emitting electromagnetic wave, wherein, be the described electromagnetic reflection of described target at least one transmitting from described multiple screening sensors from least a portion radiation of described target transmitting.
18. according to claim 15 to the screening system described in 17, and wherein, at least one in described multiple screening sensors is of portable form.
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| EP13000674 | 2013-02-08 | ||
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| Publication number | Priority date | Publication date | Assignee | Title |
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