CN209044074U - The portable concealment object imaging detection system of multi-sensor fusion - Google Patents
The portable concealment object imaging detection system of multi-sensor fusion Download PDFInfo
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Abstract
The utility model discloses a kind of portable concealment object imaging detection systems of multi-sensor fusion, comprising: mm-wave imaging unit, for being detected to target area, obtain the radar image in target area, corresponding coordinate is identified simultaneously, obtained data-signal is passed into data fusion unit；X-ray back scattering unit obtains the backscatter images in target area, equally indicates corresponding coordinate information, obtained data-signal is passed to data fusion unit for same target is imaged；Data fusion unit merges radar image and backscatter images for the coordinate information for the label for obtaining mm-wave imaging unit and X-ray back scattering unit, exports the complete image of a width；Judgement and display unit, the image for obtaining according to data fusion unit do judgement and tie and export court verdict.The utility model has many advantages, such as that simple and compact for structure, easy to operate, detection effect is good.
Description
Technical field
The utility model is mainly concerned with technical field safety check, security protection detection field, refers in particular to a kind of multi-sensor fusion just
Take formula concealment object imaging detection system.
Background technique
Complicated international security situation and the imbalance and inequality of the development of ground section, cause in global range
The attack of terrorism and violent crime activity constantly change, upgrade, to cause great threat to social public security.It is violated hiding
In article detection, target of various types of detectors by perception in space exploration, and by target information with different letters
Number form sends operator or supervisor to.Technical problem existing for the detection of violated dangerous goods is hidden to these to be badly in need of quickly
It solves.And with the development of technology, existing microminiature tapping device, camera etc. cause very big shadow to personal privacy
It rings.
Currently used detection means mainly include metal detector, X-ray detector and millimeter wave detector etc..
Metal detector structure, using simple, small volume and it is easy to carry and cheap, be most common
One of human body safety inspection equipment.But metal detector can only detect metal, such as traditional knife, rifle.And its detection has
Effect property and the quantity of metal conceal mode and the relationship of metal material is very big.In addition, metal detector can not be imaged or
Identification, and can only simply judge the presence or absence of metal, thus the metal that concealment cannot be distinguished be such as coin, key,
The usual articles of waistband etc or real dangerous goods.Therefore, it as long as metal detector detects metal, will issue
Alarm, in addition because operation be installed on intracorporal metallic weapon may also detection trigger device alarm, so as to cause higher void
Alarm probability.In addition, metal detector can not detect the nonmetallic danger as plastic bomb and liquid bomb etc, and in reality
More and more terrorists tend to carry out the attack of terrorism using this kind of explosive.
Its wavelength of millimeter wave has except infrared light and microwave common trait, there are also it simultaneously between microwave and infrared
Unique performance.Compared with infrared light, the wavelength of millimeter wave is longer (frequency is lower), therefore gas molecule, the water in air steam
The particles such as gas, suspended particulate are much smaller than the decaying to infrared light to the decaying of millimeter wave, thus millimeter wave has misty rain or flue dust
There is extremely strong penetration capacity, it can penetrate normal laundry, paper, plastics.It is compared with microwave, millimeter wave is due to the shorter (frequency of wavelength
Rate is higher), in the case where given antenna aperture size, the wave beam of millimeter wave is more much narrower than microwave beam, point of system
Distinguish Li Genggao, detailed information that can more clearly visible in object observing scene.
X ray is electromagnetic wave of the wavelength between ultraviolet light and gamma-rays, also known as X light, roentgen-ray.X-ray inspection
Check instrument penetrability is very strong, can easily penetrate clothing, plastics, human body etc., and only heavy metal could prevent it from continuing to propagate.X is penetrated
Line diffractive technology can be used for the component of analysis of material, and imaging technique is for characterizing material, the external shape of analysis of material
Looks feature.However, X ray is a kind of ionising radiation, and when penetrating the soft tissues such as human skin, muscle, a large amount of radiation energies
Amount is absorbed by tissue, and absorbed micro radiation can induce canceration, is destroyed red blood cell and is induced leukaemia etc..Although X-ray examination instrument
Be not suitable for carrying out the violated dangerous goods imaging of concealment of human body, but to conventional luggage parcel and the object being hidden in wall
It is detected, X-ray examination instrument is extraordinary selection.
In conclusion above-mentioned three kinds of traditional approach have the following disadvantages:
1, metal detector can not be imaged, and false-alarm is more, while current optical fiber tapping device etc. uses nonmetallic materials,
It can not accurately detect.
2, although millimeter wave has certain penetrability, but for be hidden in metal (such as water pipe within the walls) subsequent concealment object without
Method imaging, it is weaker simultaneously for the detectable signal of nonmetallic concealment object；All suspicious objects can not accurately be found out.
3, conventional x-ray instrument is used substantially to the form of penetrating, i.e. transmitting and receiving portion uses separation module, do so
The disadvantage is that needing is to need to be aligned, and be not suitable for handheld device.Simultaneously X-ray for the metal target in nonmetal medium at
Picture effect is poor, and being primarily due to X-ray can penetrate, can not effective district partial objectives for and interference medium.
Meanwhile in current daily safety check and explosive duties work, the Security Inspection Equipments based on x-ray imaging technique
It is the detection main detection means of suspicious item, may be implemented in the case where not contacting lossless, to visually not directly observing
Luggage inside, the hiding places of the suspicion object such as vehicle interlayer, dangerous material checked.
But channel-type x-ray Security Inspection Equipments used at present are when carrying out safety inspection, need to make tested object,
Vehicle lays complexity by specific safety inspection channel, complete equipment, and bulking value is huge, is suitable in fixed-site,
Safety inspection is carried out on the channel set, and irremovable easily.It is developed using conventional X-ray imaging technique portable
Check equipment, it is also necessary in examined object body two sides, be respectively arranged radiographic source and pick-up probe, and can only detect and can set on ground
In the examined object body in occasional passage, can not be detected to against wall or the hanging object for waiting positions and vehicle interlayer.From
From the perspective of technical principle, the x-ray of high-energy is insensitive to low-density organic matter (explosive, drugs).
Therefore in daily patrol, for the interim safety inspection to suspicious object, when there is emergency situations, random
Place can set up rapidly safety inspection post, be convenient for carrying, and usage mode is simple and effective, the back scattering skill that can be imaged with single side
Art becomes the new technical means solved the problems, such as.But before this, there is no such products of proprietary technology, some imports to set in China
The standby use in China, all can it is high along with price, maintenance cost is high, maintenance low-response, upgrading inconvenient using training improve it is tired
The various problems such as difficulty.
Utility model content
The technical problems to be solved in the utility model is that for technical problem of the existing technology, this is practical new
Type provides a kind of portable concealment object imaging detection of multi-sensor fusion simple and compact for structure, easy to operate, detection effect is good
System.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of portable concealment object imaging detection system of multi-sensor fusion comprising:
Mm-wave imaging unit obtains the radar image in target area, same markers for detecting to target area
Know corresponding coordinate, obtained data-signal is passed into data fusion unit；
X-ray back scattering unit obtains the backscatter images in target area, equally for same target is imaged
Corresponding coordinate information is indicated, obtained data-signal is passed into data fusion unit；
Data fusion unit, for the coordinate information for the label for obtaining mm-wave imaging unit and X-ray back scattering unit,
Radar image and backscatter images are merged, the complete image of a width is exported；
Judgement and display unit, the image for obtaining according to data fusion unit do judgement and tie and export court verdict.
As further improvement of the utility model: the judgement and display unit will be counted by the method for deep learning
It is compared according to the image that integrated unit obtains with database, the type of auxiliary judgement target and the size for marking target.
As further improvement of the utility model: the mm-wave imaging unit include antenna element, radar transmitter,
Receiver and data processing module, the millimeter-wave signal that the radar transmitter generates encounter mesh after antenna element emits
It marks and reflects, reflection echo is received machine reception；The signal that receiver receives is sent into number after data processing module
According to integrated unit.
As further improvement of the utility model: the mm-wave imaging unit further includes for moving the receiver
The transmission mechanism of position changes the position of the receiver when detecting by transmission mechanism, until it is flat to complete entire scanning
The scanning in face.
As further improvement of the utility model: the signal that the receiver receives is after amplification, demodulation process, warp
A/D conversion is sent into data processing module after becoming digital signal.
As further improvement of the utility model: the X-ray back scattering unit includes X-ray emitter, X-ray detection
Device and data processing module control oblique at a certain angle inject of the X-ray emitter and are detected in object, pass through X-ray
Detector receives the scattered signal inside wall, is sent into data fusion unit after handling by data processing module.
As further improvement of the utility model: the X-ray back scattering unit leads to including further including mechanical driving device
Cross the mechanical driving device control X-ray emitter, X-ray detector makes incident beam and the intersection point of detector focus in wall
Interior movement.
As further improvement of the utility model: the X-ray detector is the detector of a focus type.
As further improvement of the utility model: the X-ray emitter, X-ray detector are placed in checked object
The same side.
Compared with the prior art, the advantages of the utility model are:
1, the portable concealment object imaging detection system of the multi-sensor fusion of the utility model, simple and compact for structure, operation
Conveniently, detection effect is good, is capable of forming the concealment object imaging detection system of hand-held, supports individual soldier's hand-held.Hand-held is hidden
Object imaging radar product of hideing is mainly used for determining inside wall and whether the back side has metal, pipeline, plastics, electric wire etc..It can wear
The walls such as saturating brick wall/shale wall/light partition wall/keel partition wall, can penetrate plank, finishing material, detection of concealed in wall or
Metal and non-metallic device inside plank or finishing material, can in real time be imaged internal components, guarantee indoor peace
Entirely.Product itself requires the features such as easy to use, easy to carry.
2, the portable concealment object imaging detection system of the multi-sensor fusion of the utility model, system portable are applicable and automatic
Identification function, system have, and have the abilities such as individual soldier's portable, easy to operate, easy to maintain, complicated landform environmental suitability be strong.
By using technological approaches such as electromechanical integration, ergonomic designs, reach microminiature, lightweight, the production domesticization of core parts
Requirement.System should be able to provide the two-dimensional scale of planar imaging and the depth location scale of different depth imaging plane.With with
Compare toward system, by using high-precision imaging detection and image calibration processing technique, realize to hiding target size it is intuitive,
Accurate and convenient measurement.
3, the portable concealment object imaging detection system of the multi-sensor fusion of the utility model, system automated imaging handle energy
Power and target assistant analysis interpretation ability, system have the ability to two kinds of images, the automatic focus processing with different mediums
And medium interferes the automated imagings processing functions such as automatic inhibition processing, software function is complete, and can load new application mould safely
Block is convenient for edition upgrading;Saved with scan data imaging playback, the imaging results output of standard image format, scan data,
Battery capacity such as shows at the complete functions.The horizontal height of target auxiliary interpretation is to influence inspection personnel, Checking on effect, accurately determine mesh
Mark the core index of attribute and threat.Currently, ray back dissipates and radar is penetrated to be imaged in technical security inspection and is used alone, not
Integrated complementary advantage can be formed.Interpretation ability is promoted from further, system must have two kinds of means detection datas are comprehensive
Accumulation and fusion ratio are closed to ability.
Detailed description of the invention
Fig. 1 is the composed structure schematic illustration of the utility model.
Fig. 2 is the composed structure schematic illustration of the utility model mm-wave imaging unit in specific application example.
Fig. 3 is the composed structure schematic illustration of the utility model X-ray back scattering unit in specific application example.
Fig. 4 is the utility model millimeter wave imaging system structural schematic diagram in specific application example.
Fig. 5 is the utility model X-ray Back-scattering System structural schematic diagram in specific application example.
Fig. 6 be the utility model in specific application example using millimetre-wave radar system to being hidden in nonmetallic (brick)
Metal target detect schematic diagram, wherein (a) be test scene, (b), (c) be the result tested twice.
Fig. 7 is that the utility model detects concealment object under metal covering using X back scattering instrument in specific application example
Schematic diagram, wherein (a) is test scene, it (b) is actual test result.
Marginal data:
1, mm-wave imaging unit；2, X-ray back scattering unit；3, data fusion unit；4, judgement and display unit.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
As Figure 1-Figure 5, the portable concealment object imaging detection system of the multi-sensor fusion of the utility model, comprising:
Mm-wave imaging unit 1 obtains the radar image in target area, simultaneously for detecting to target area
Corresponding coordinate is identified, obtained data-signal is passed into data fusion unit 3；
X-ray back scattering unit 2 obtains the backscatter images in target area, equally for same target is imaged
Corresponding coordinate information is indicated, obtained data-signal is passed into data fusion unit 3；
Data fusion unit 3, for the coordinate letter for the label for obtaining mm-wave imaging unit 1 and X-ray back scattering unit 2
Breath, radar image and backscatter images are merged, and export the complete image of a width；
Judgement and display unit 4, the image for obtaining according to data fusion unit 3 do judgement and tie and export judgement knot
Fruit.
In specific application example, judgement, by the method for deep learning, data fusion unit 3 is obtained with display unit 4
To image be compared with database, the type of auxiliary judgement target and the size for marking target.
In specific application example, mm-wave imaging unit 1 includes antenna element, radar transmitter, receiver and number
According to processing module, as shown in Figure 2.It is 24GHz that radar transmitter, which generates centre frequency, and bandwidth is the linear FM signal of 1GHz,
The millimeter-wave signal that radar transmitter generates encounters target and reflects, reflection echo is received after antenna element emits
Machine receives.The signal that receiver receives becomes digital signal after amplification, demodulation process, through A/D conversion, and by data
It is stored in computer after reason module.The scanning of a point on the plane of scanning motion is completed in this way.The position of mobile receiver is extremely
Next scan position, and repeat the above process, until completing the scanning of the entire plane of scanning motion, it can be obtained these scan positions
On echo data, then use suitable imaging algorithm, target is reconstructed, can be obtained the image of image scene.
In specific application example, X-ray back scattering unit 2 includes X-ray emitter, X-ray detector, machine driving dress
It sets and data processing module, as shown in Figure 3.The great advantage of X-ray Back-scattering System 2 is that radiation source and detection adopt biography system
Flexible arrangement can be placed in the same side of checked object.Back scattering imaging instrument is oblique at a certain angle using control X-ray emitter
It injects in tested object (such as wall), by the X-ray detector of a focus type, receives the scattering letter inside wall
Number.X-ray emitter is controlled by mechanical driving device, X-ray detector makes incident beam and the intersection point of detector focus is in wall
It is mobile in vivo, since scattered information intensity is substantially directly proportional to object density, wall internal structure can be scanned, is passed through
Information processing is to obtain internal image.
In specific application example, the portable concealment object imaging detection system of the multi-sensor fusion of the utility model is hand
Hold formula, portability equipment.
Two kinds of approach are detected using X-ray and radar imagery in the utility model, to wall, furniture, mental package article
It is quickly detected Deng progress metal and nonmetallic concealment object, greatly improves the detection ability of discovery and emergence technology safety to concealment object
Check working efficiency.To substance outer-shell electron density sensitive, radar imagery detection is quick to the electromagnetic property of substance for X-ray back scattering
Sense, two ways can obtain high-resolution subject image.However x-ray imaging is more advantageous to and is had by what metal surface hid
Machine object (such as optical fiber) detection, radar imagery are more advantageous to the detection of the metal target in nonmetal medium, merge two kinds of technical sides
Case has the complementarity of height, facilitates the accurate differentiation to objective attribute target attribute.
The utility model has hides target perspective imaging detectivity in different mediums, the perspective imaging detection of medium
Ability is the key that concealment quality testing looks into work, is the premise that detection is hidden in concealment object in various mediums.By using highly sensitive
Back scattering X X-ray detection X, millimeter wave high-resolution penetrate the technologies such as imaging in real time, and system is needed in the limited scale of construction and safety hair
It penetrates under power condition, has than deeper penetrating common wall medium, house ornamentation material medium, furniture material medium, metal in the past
The coals quality such as material packaging carry out the ability of target acquisition imaging display.
The utility model have metal and non-metallic material hiding target program detectivity, system need to have metal,
Non-metallic material hide target imaging detection ability, by using new technologies such as ray back scattering imagings, fill up hidden to optical fiber
Imaging capability blank is surveyed in the nonmetallic concealment physical prospecting of object etc. of hideing, and detectable metal and nonmetallic target size reach grade, together
When can realize real-time high-resolution imaging.
In specific application example, the workflow of the utility model is as follows:
Step S1: detecting target area using mm-wave imaging unit 1, obtains the radar map in target area
Picture, while identifying corresponding coordinate.
Step S2: being imaged same target using X-ray back scattering unit 2, obtains the back scattering figure in target area
Picture equally indicates corresponding coordinate information.
Step S3: since radar image and X backscatter images have all carried out machine driving, pass through the method ratio of image recognition
Two images are merged to the similarities and differences of two kinds of sensor detection images, and according to the coordinate information of label, output one is complete
Whole image.
Step S4: by the method for deep learning, the image of detection being compared with database, auxiliary judgement target
Type and the size for marking target.
The utility model is by combining mm-wave imaging instrument and X-ray back scattering instrument to can be achieved at the same time to metal and nonmetallic hidden
It hides object real-time detection and imaging, referring to fig. 4.
In a specific application example, referring to Fig. 5, using millimetre-wave radar system to being hidden in nonmetallic (brick)
Metal target detection, wherein (a) be test scene, metal iron wire or key are placed on brick in the following, (b), (c) be twice
Test as a result, it is possible to find that target has a very strong reflection signal, under similarity condition, be difficult to obtain using X back scattering instrument preferable
Image.
In another specific application example, referring to Fig. 6, the concealment object under metal covering is detected using X back scattering instrument,
Wherein (a) is test scene, (b) is actual test result there it can be seen that X back scattering instrument can effectively penetrate metal Jie
Matter, detection are hidden in the subsequent object of metal medium.However, using millimeter wave imaging system under similarity condition, can not detect
The target.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of portable concealment object imaging detection system of multi-sensor fusion characterized by comprising
Mm-wave imaging unit obtains the radar image in target area, while identifying phase for detecting to target area
Obtained data-signal is passed to data fusion unit by the coordinate answered；
X-ray back scattering unit obtains the backscatter images in target area for same target is imaged, same to indicate
Obtained data-signal is passed to data fusion unit by corresponding coordinate information out；
Data fusion unit, for the coordinate information for the label for obtaining mm-wave imaging unit and X-ray back scattering unit, by thunder
It is merged up to image and backscatter images, exports the complete image of a width；
Judgement and display unit, the image for obtaining according to data fusion unit do judgement and tie and export court verdict.
2. the portable concealment object imaging detection system of multi-sensor fusion according to claim 1, which is characterized in that described
The image that data fusion unit obtains is compared by judgement and display unit by the method for deep learning with database, auxiliary
It helps the type of judgement target and marks the size of target.
3. the portable concealment object imaging detection system of multi-sensor fusion according to claim 1 or 2, which is characterized in that
The mm-wave imaging unit includes antenna element, radar transmitter, receiver and data processing module, the radar emission
The millimeter-wave signal that machine generates encounters target and reflects after antenna element emits, and reflection echo is received machine reception；It connects
The signal that receipts machine receives is sent into data fusion unit after data processing module.
4. the portable concealment object imaging detection system of multi-sensor fusion according to claim 3, which is characterized in that described
Mm-wave imaging unit further includes the transmission mechanism for moving the receiver location, makes the receiver by transmission mechanism
Position change when detecting, until completing the scanning of the entire plane of scanning motion.
5. the portable concealment object imaging detection system of multi-sensor fusion according to claim 3, which is characterized in that described
The signal that receiver receives is sent into data processing module after A/D conversion becomes digital signal after amplification, demodulation process.
6. the portable concealment object imaging detection system of multi-sensor fusion according to claim 1 or 2, which is characterized in that
The X-ray back scattering unit includes X-ray emitter, X-ray detector and data processing module, controls the X-ray hair
Raw device is oblique at a certain angle to be injected in tested object, receives the scattered signal inside wall, warp by X-ray detector
It crosses data processing module processing and is sent into data fusion unit later.
7. the portable concealment object imaging detection system of multi-sensor fusion according to claim 6, which is characterized in that described
X-ray back scattering unit passes through the mechanical driving device and controls X-ray emitter, X-ray including further including mechanical driving device
Detector moves incident beam and the intersection point of detector focus in wall.
8. the portable concealment object imaging detection system of multi-sensor fusion according to claim 6, which is characterized in that described
X-ray detector is the detector of a focus type.
9. the portable concealment object imaging detection system of multi-sensor fusion according to claim 6, which is characterized in that described
X-ray emitter, X-ray detector are placed in the same side of checked object.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444985A (en) * | 2018-12-14 | 2019-03-08 | 湖南华诺星空电子技术有限公司 | The portable concealment object imaging detection system of multi-sensor fusion |
| CN111025305A (en) * | 2019-12-27 | 2020-04-17 | 湖南华诺星空电子技术有限公司 | Radar and vibration combined distributed partition wall detection system |
| RU2741868C1 (en) * | 2020-06-10 | 2021-01-29 | Федеральное государственное бюджетное учреждение науки Институт физики полупроводников им. А.В. Ржанова Сибирского отделения Российской академии наук (ИФП СО РАН) | Device for remote detection of hidden dangerous objects |
-
2018
- 2018-12-14 CN CN201822105758.8U patent/CN209044074U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444985A (en) * | 2018-12-14 | 2019-03-08 | 湖南华诺星空电子技术有限公司 | The portable concealment object imaging detection system of multi-sensor fusion |
| CN109444985B (en) * | 2018-12-14 | 2024-04-26 | 华诺星空技术股份有限公司 | Multi-sensing fusion portable hidden object imaging detection system |
| CN111025305A (en) * | 2019-12-27 | 2020-04-17 | 湖南华诺星空电子技术有限公司 | Radar and vibration combined distributed partition wall detection system |
| CN111025305B (en) * | 2019-12-27 | 2021-10-08 | 湖南华诺星空电子技术有限公司 | Radar and vibration combined distributed partition wall detection system |
| RU2741868C1 (en) * | 2020-06-10 | 2021-01-29 | Федеральное государственное бюджетное учреждение науки Институт физики полупроводников им. А.В. Ржанова Сибирского отделения Российской академии наук (ИФП СО РАН) | Device for remote detection of hidden dangerous objects |
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