CN108957577A - Channel-type Terahertz safety check apparatus and safety inspection method - Google Patents
Channel-type Terahertz safety check apparatus and safety inspection method Download PDFInfo
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- CN108957577A CN108957577A CN201811220264.2A CN201811220264A CN108957577A CN 108957577 A CN108957577 A CN 108957577A CN 201811220264 A CN201811220264 A CN 201811220264A CN 108957577 A CN108957577 A CN 108957577A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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Abstract
A kind of channel-type Terahertz safety check apparatus and safety inspection method, belong to hazardous material detection device field, it is characterised in that: including verifying gate, detector gate, security check passage, visual light imaging equipment, Terahertz rays safety detection apparatus and host computer；A Terahertz rays safety detection apparatus is respectively set in the two sides of the security check passage, and two Terahertz rays safety detection apparatus are opposite and shift to install；The arrival end of the security check passage is provided with verifying gate and detector gate, outlet end are provided with operation bench；The host computer is set in operation bench；The verifying gate, detector gate, Terahertz rays safety detection apparatus, visual light imaging equipment are connected with host computer respectively.By the way that security check passage is arranged, using channel-type safety check, it is detected personnel's normal pass, detection can be realized without stopping, to improve detection efficiency, the detection of the larger stream of people can satisfy, while the detection of hazardous article target is carried out using visible light and the fusion of terahertz image information.
Description
Technical field
The invention belongs to hazardous material detection device field more particularly to a kind of safety check is carried out using THz imaging technology
Channel-type Terahertz safety check apparatus and safety inspection method.
Background technique
Terahertz safe examination system is widely used in the place that the entry and exit people such as airport, port, customs, state's inspection compare concentration, work
Make personnel and safety detection is carried out to the article that human body carries using Terahertz hazardous material detection equipment, it may be found that carries dangerous material
Tested personnel manually check, and do not find that the pedestrian of dangerous material directly lets pass.The utilization of Terahertz safe examination system effectively avoids
The entrance stream of people of public place is crowded, has saved detection time, has improved detection efficiency, and reduces the work of staff
It measures.
Dangerous article detection system used at present is stop formula detection system, such as metal detector and X ray tester
Deng such system usually requires Security Personnel and detects one by one to a suspect, when flow of the people is excessive, or needs to detect larger
Range, or when being detected simultaneously to multiple target, inefficiency of such system due to detecting dangerous material.
Summary of the invention
Based on above-mentioned technical problem, the present invention proposes that safety check precision is high, time-consuming short, high-efficient utilization Terahertz Technology into
The channel-type Terahertz safety check apparatus of row safety check, and the method for carrying out safety check using the device.
Channel-type Terahertz safety check apparatus of the present invention, including verifying gate, detector gate, security check passage, visible light
Imaging device, Terahertz rays safety detection apparatus and host computer；The security check passage is equipped at least one set of outlet end and arrival end；The peace
A Terahertz rays safety detection apparatus is respectively set in the two sides in inspection channel, and two Terahertz rays safety detection apparatus are opposite and shift to install；
A visual light imaging equipment is respectively equipped on two Terahertz rays safety detection apparatus；The arrival end of the security check passage is arranged
There are verifying gate and detector gate, outlet end to be provided with operation bench；The host computer is set in operation bench；The verifying gate,
Detector gate, Terahertz rays safety detection apparatus, visual light imaging equipment are connected with host computer respectively.
Channel-type Terahertz safety check apparatus of the present invention, the Terahertz rays safety detection apparatus include that terahertz image acquisition is single
Member, terahertz image preprocessing module and terahertz image processing module；The terahertz image preprocessing module and Terahertz
Image processing module is connected with terahertz image acquisition unit respectively, and terahertz image processing module is connected with host computer.
Channel-type Terahertz safety check apparatus of the present invention, the visual light imaging equipment are video camera.
Channel-type Terahertz safety check apparatus of the present invention is provided with range sensor on the Terahertz rays safety detection apparatus.
Channel-type Terahertz safety check apparatus of the present invention, the verifying gate are testimony of a witness unification verifying gate；The peace
Inspection door is metal detection detector gate.
Channel-type Terahertz safety check apparatus of the present invention, the testimony of a witness unification verifying gate are provided with face identification device
With identity information identification device.
Channel-type Terahertz safety check apparatus of the present invention, testimony of a witness unification verifying gate, metal detection detector gate, too
Hertz rays safety detection apparatus and operation bench are provided with acoustic-optic alarm；The acoustic-optic alarm is connected with host computer.
Channel-type Terahertz safety check apparatus of the present invention, testimony of a witness unification verifying gate, metal detection detector gate and
It is connected between Terahertz rays safety detection apparatus and host computer by router.
The safety inspection method of channel-type Terahertz safety check apparatus of the present invention, includes the following steps:
1) identity information to security staff is obtained by the identity information identification device that the testimony of a witness unifies verifying gate, passed through simultaneously
Face identification device dynamic acquisition facial image, and the face information of equipment acquisition is compared with the face information in identity card
It is right；Compare it is obstructed it is out-of-date alarmed by acoustic-optic alarm, gate is not opened；Gate is opened when comparison passes through, to security staff
It is detected into metal detector gate；Comparison result is uploaded to host computer simultaneously；
2) metal detector gate is passed through to security staff by testimony of a witness unification verifying gate, metal detector gate is detected to security staff
Whether metal is carried；It is alarmed if carrying by acoustic-optic alarm；Metal information is carried from Terahertz if being not detected
The entrance of security check passage enters；Metal detection result is uploaded to host computer simultaneously；
3) successively pass through the Terahertz rays safety detection apparatus shifted to install in opposite directions along security check passage to security staff into security check passage,
Terahertz rays safety detection apparatus is obtained by terahertz image acquisition unit under dynamic detection mode and is transmitted to the information of security staff
It takes disciplinary action analysis to terahertz image preprocessing module and terahertz image processing module, exports Terahertz testing result, if to
Security staff carries dangerous material with it, then is alarmed by combined aural and visual alarm；And will test result and be uploaded to host computer, it is set to behaviour
The host computer of control platform combines aforementioned testimony of a witness comparison result, metal detection result and Terahertz testing result to be analyzed and determined, if
It does not compared by the testimony of a witness to security staff, carry metal or carry dangerous goods, then pass through the acoustic-optic alarm of operation bench
It alarms；Otherwise, pass through completion safety check from the outlet of sense channel to security staff.
Channel-type Terahertz safety inspection method of the present invention, terahertz image processing module described in step 3) are set by obtaining
It is placed in the range information of personnel and Terahertz rays safety detection apparatus to be detected acquired in the range sensor on Terahertz rays safety detection apparatus,
And range information is uploaded to host computer with corresponding personnel's image information matching to be detected.
Channel-type Terahertz safety check apparatus and safety inspection method of the present invention, by the way that security check passage is arranged, using channel-type
Safety check is detected personnel's normal pass, detection can be realized without stopping, to improve detection efficiency, can satisfy larger
The detection of the stream of people, while utilizing the detection of visible light and terahertz image information fusion progress hazardous article target.
Detailed description of the invention
Fig. 1 is channel-type Terahertz safety check apparatus structural schematic diagram of the present invention；
Fig. 2 is channel-type Terahertz safety check apparatus electric connection structure schematic block diagram of the present invention；
Fig. 3 is channel-type Terahertz safety inspection method flow diagram of the present invention.
Specific embodiment
Channel-type Terahertz safety check apparatus of the present invention and safety inspection method are carried out with reference to the accompanying drawings and embodiments detailed
It describes in detail bright.
Channel-type Terahertz safety check apparatus of the present invention, as shown in Figure 1 and Figure 2, including verifying gate, detector gate, peace
Examine channel, visual light imaging equipment, Terahertz rays safety detection apparatus and host computer；The security check passage is equipped with one group of outlet end and entrance
End；The two sides of the security check passage are respectively set a Terahertz rays safety detection apparatus, two Terahertz rays safety detection apparatus it is opposite and
It shifts to install；A visual light imaging equipment is respectively equipped on two Terahertz rays safety detection apparatus；The security check passage
Arrival end is provided with verifying gate and detector gate, outlet end are provided with operation bench；The host computer is set in operation bench；It is described
Verifying gate, detector gate, Terahertz rays safety detection apparatus, visual light imaging equipment are connected with host computer respectively.In the present embodiment
Security check passage is set as S type, and the verifying gate is testimony of a witness unification verifying gate；The detector gate is metal detection detector gate.
Channel-type Terahertz safety check apparatus of the present invention, the Terahertz rays safety detection apparatus include that terahertz image acquisition is single
Member, terahertz image preprocessing module and terahertz image processing module；The terahertz image preprocessing module and Terahertz
Image processing module is connected with terahertz image acquisition unit respectively, and terahertz image processing module is connected with host computer.It is described
Visual light imaging equipment is video camera.Range sensor is provided on the Terahertz rays safety detection apparatus.The testimony of a witness unification verifying
Gate is provided with face identification device and identity information identification device.Testimony of a witness unification verifying gate, metal detection detector gate,
Terahertz rays safety detection apparatus and operation bench are provided with acoustic-optic alarm；The acoustic-optic alarm is connected with host computer,
Testimony of a witness unification verifying gate, metal detection detector gate, Terahertz rays safety detection apparatus three have independent acoustic-optic alarm, finally
Summarize and gives operation bench integrated alarm.Testimony of a witness unification verifying gate, metal detection detector gate and Terahertz rays safety detection apparatus with it is upper
It is connected between the machine of position by router.
Visual light imaging device is mounted on Terahertz safety check instrument, for real-time detection and tracks the personnel of being detected in safety check
Position in channel, and the figure and features information of human body front and back is acquired, for the fusion treatment with terahertz image.
Terahertz safety check apparatus works in dynamic mode, in real time the passive Terahertz energy for receiving human body radiation, based on gold
Category, non-metal article and human body itself handle real the difference of terahertz radiation, transmission and reflection characteristic using intelligent image
When detection human body whether carry dangerous goods, if carry dangerous goods, mark out dangerous goods in people in human-computer interaction interface
Body position simultaneously shows general profile, has apparent alarm warning label on interface, while alarming with sound, light, saving correlation can
Light-exposed image and terahertz image.Detected personnel do not carry dangerous goods and then pass through security check passage.
Range sensor is installed in Terahertz equipment, is carried out at a distance from safety check instrument to personnel are detected in security check passage
Real-time detection.Since there are optimum detection distance ranges for rays safety detection apparatus, i.e., testing result has differences at different location, therefore single
Platform rays safety detection apparatus image checking result matches storage with range information one-to-one correspondence, chooses the inspection in front, back side optimum position
It surveys result and pushes to host computer display end, take further measures use for security staff.
It is exported from security check passage entrance to security check passage, the personnel of being detected carry out testimony of a witness unification detection, metal peace in order
Examine door detection, Terahertz human testing, the 4 step inspection of operation bench manual confirmation.In the present embodiment, testimony of a witness unification verifying gate choosing
It is a intelligent integrated formula channel machine testimony of a witness verification terminal with Shenzhen roller RNCFH8008-15；Metal detection door selects Guangdong
Pacify shield AD-2286 digital metal detection door, Terahertz rays safety detection apparatus is the T-hunting of Xi'an Tian Yi Terahertz company research and development
I6401W passive type Terahertz safety check instrument.
Into before security check passage, identity validation is carried out to detected personnel, to prevent from falsely using other people certificates or using false evidence,
Into before Terahertz safety check, the unification of the progress testimony of a witness is checked first, and testimony of a witness verification equipment, which is read, is detected personnel's ID card information,
And collection in worksite facial image, it is compared with the photo in identity card, is confirmed whether it is my certificate, if comparing successfully,
Gate is opened, and personnel pass through, and otherwise staff intervenes.Testimony of a witness verification equipment can carry out blacklist with the networking of public security database and look into
It askes, auxiliary public security system arrests suspect.The function of testimony of a witness unification verifying gate can always be summarised as ticket veritification, the testimony of a witness compares,
Public security networking, emergency disposal.
When the personnel of being detected pass through metal detector gate, the metal entrained by it is more than according to weight, quantity or shape
When the parameter value preset, detector gate is alarmed at once, and shows position where the metal for causing alarm, and result reached upper
Machine is merged with human body Terahertz safety check result.
Host computer is installed on operation bench, is mainly used for testimony of a witness unification, metal detector gate, all kinds of inspections of human body Terahertz safety check
It surveys result and is associated and carries out comprehensive descision, provide final detection result and alarm, the report of metal detection and hazardous material detection
It is alert to be divided into metal detection alarm and target detection alarm execution.Staff carries detected personnel according to final result dangerous
Product carry out manual confirmation.
At operation bench, image storing data library is connected on host computer, for storing the visible images of acquisition
Information and terahertz image, convenient for the image data comprehensive analysis processing in later period.
The safety inspection method of channel-type Terahertz safety check apparatus of the present invention, as shown in figure 3, specifically comprising the following steps:
1) identity information to security staff is obtained by the identity information identification device that the testimony of a witness unifies verifying gate, passed through simultaneously
Face identification device dynamic acquisition facial image, and the face information of equipment acquisition is compared with the face information in identity card
It is right；Compare it is obstructed it is out-of-date alarmed by acoustic-optic alarm, gate is not opened；Gate is opened when comparison passes through, to security staff
It is detected into metal detector gate；Comparison result is uploaded to host computer simultaneously；
2) metal detector gate is passed through to security staff by testimony of a witness unification verifying gate, metal detector gate is detected to security staff
Whether metal is carried；It is alarmed if carrying by acoustic-optic alarm；Metal information is carried from Terahertz if being not detected
The entrance of security check passage enters；Metal detection result is uploaded to host computer simultaneously；
3) successively pass through the Terahertz rays safety detection apparatus shifted to install in opposite directions along security check passage to security staff into security check passage,
Terahertz rays safety detection apparatus is obtained by terahertz image acquisition unit under dynamic detection mode and is transmitted to the information of security staff
It takes disciplinary action analysis to terahertz image preprocessing module and terahertz image processing module, exports Terahertz testing result, if to
Security staff carries dangerous material with it, then is alarmed by combined aural and visual alarm；And will test result and be uploaded to host computer, it is set to behaviour
The host computer of control platform combines aforementioned testimony of a witness comparison result, metal detection result and Terahertz testing result to be analyzed and determined, if
It does not compared by the testimony of a witness to security staff, carry metal or carry dangerous goods, then pass through the acoustic-optic alarm of operation bench
It alarms；Otherwise, pass through completion safety check from the outlet of sense channel to security staff.
Channel-type Terahertz safety inspection method of the present invention, terahertz image processing module described in step 3) are set by obtaining
It is placed in the range information of personnel and Terahertz rays safety detection apparatus to be detected acquired in the range sensor on Terahertz rays safety detection apparatus,
And range information is uploaded to host computer with corresponding personnel's image information matching to be detected.
Claims (10)
1. a kind of channel-type Terahertz safety check apparatus, it is characterised in that: including verifying gate, detector gate, security check passage, visible light
Imaging device, Terahertz rays safety detection apparatus and host computer；The security check passage is equipped at least one set of outlet end and arrival end；The peace
A Terahertz rays safety detection apparatus is respectively set in the two sides in inspection channel, and two Terahertz rays safety detection apparatus are opposite and shift to install；
A visual light imaging equipment is respectively equipped on two Terahertz rays safety detection apparatus；The arrival end of the security check passage is arranged
There are verifying gate and detector gate, outlet end to be provided with operation bench；The host computer is set in operation bench；The verifying gate,
Detector gate, Terahertz rays safety detection apparatus, visual light imaging equipment are connected with host computer respectively.
2. channel-type Terahertz safety check apparatus according to claim 1, it is characterised in that: the Terahertz rays safety detection apparatus includes
Terahertz image acquisition unit, terahertz image preprocessing module and terahertz image processing module；The terahertz image is pre-
Processing module and terahertz image processing module are connected with terahertz image acquisition unit respectively, terahertz image processing module with
Host computer is connected.
3. channel-type Terahertz safety check apparatus according to claim 1 or claim 2, it is characterised in that: the visual light imaging equipment
For video camera.
4. channel-type Terahertz safety check apparatus according to claim 3, it is characterised in that: set on the Terahertz rays safety detection apparatus
It is equipped with range sensor.
5. channel-type Terahertz safety check apparatus according to claim 4, it is characterised in that: the verifying gate is testimony of a witness unification
Verify gate；The detector gate is metal detection detector gate.
6. channel-type Terahertz safety check apparatus according to claim 5, it is characterised in that: the testimony of a witness unification verifying gate is set
It is equipped with face identification device and identity information identification device.
7. channel-type Terahertz safety check apparatus according to claim 6, it is characterised in that: the testimony of a witness unification verifying gate,
Metal detection detector gate, Terahertz rays safety detection apparatus and operation bench are provided with acoustic-optic alarm；The acoustic-optic alarm is equal
It is connected with host computer.
8. channel-type Terahertz safety check apparatus according to claim 7, it is characterised in that: the testimony of a witness unification verifying gate,
It is connected between metal detection detector gate and Terahertz rays safety detection apparatus and host computer by router.
9. a kind of safety inspection method of channel-type Terahertz safety check apparatus according to claim 8, it is characterised in that including as follows
Step:
1) identity information to security staff is obtained by the identity information identification device that the testimony of a witness unifies verifying gate, passed through simultaneously
Face identification device obtains facial image, and the face information of equipment acquisition is compared with the face information in identity card；
Compare it is obstructed it is out-of-date alarmed by acoustic-optic alarm, gate is not opened；Gate is opened when comparison passes through, and is entered to security staff
The detection of metal detector gate；Comparison result is uploaded to host computer simultaneously；
2) metal detector gate is passed through to security staff by testimony of a witness unification verifying gate, metal detector gate is detected to security staff
Whether metal is carried；It is alarmed if carrying by acoustic-optic alarm；Metal information is carried from Terahertz if being not detected
The entrance of security check passage enters；Metal detection result is uploaded to host computer simultaneously；
3) successively pass through the Terahertz rays safety detection apparatus shifted to install in opposite directions along security check passage to security staff into security check passage,
Terahertz rays safety detection apparatus is obtained by terahertz image acquisition unit under dynamic detection mode and is transmitted to the information of security staff
It takes disciplinary action analysis to terahertz image preprocessing module and terahertz image processing module, exports Terahertz testing result, if to
Security staff carries dangerous material with it, then is alarmed by combined aural and visual alarm；And will test result and be uploaded to host computer, it is set to behaviour
The host computer of control platform combines aforementioned testimony of a witness comparison result, metal detection result and Terahertz testing result to be analyzed and determined, if
It does not compared by the testimony of a witness to security staff, carry metal or carry dangerous goods, then pass through the acoustic-optic alarm of operation bench
It alarms；Otherwise, pass through completion safety check from the outlet of sense channel to security staff.
10. channel-type Terahertz safety inspection method according to claim 9, it is characterised in that: terahertz image described in step 3)
Processing module is by obtaining personnel to be detected and Terahertz acquired in the range sensor that is set on Terahertz rays safety detection apparatus
The range information of rays safety detection apparatus, and range information is uploaded to host computer with corresponding personnel's image information matching to be detected.
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| CN201811220264.2A CN108957577A (en) | 2018-10-19 | 2018-10-19 | Channel-type Terahertz safety check apparatus and safety inspection method |
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| CN201811220264.2A CN108957577A (en) | 2018-10-19 | 2018-10-19 | Channel-type Terahertz safety check apparatus and safety inspection method |
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Cited By (6)
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| CN110940996A (en) * | 2019-12-11 | 2020-03-31 | 西安交通大学 | Terahertz and visible light based imaging device, monitoring system and imaging method |
| CN111751896A (en) * | 2019-03-27 | 2020-10-09 | 北京快安科技有限公司 | Three-dimensional display method for security inspection result |
| CN112184925A (en) * | 2020-09-29 | 2021-01-05 | 中铁建电气化局集团南方工程有限公司 | Non-inductive payment gate machine based on face recognition |
| CN112415624A (en) * | 2020-11-25 | 2021-02-26 | 成都菲斯洛克电子技术有限公司 | Security detection system and detection method |
| CN113848193A (en) * | 2021-09-23 | 2021-12-28 | 上海亨临光电科技有限公司 | Passive terahertz human body security inspection image extraction method |
| CN115951421A (en) * | 2023-02-21 | 2023-04-11 | 安徽中科太赫兹科技有限公司 | Channel type terahertz active imaging human body security check instrument |
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| CN113848193A (en) * | 2021-09-23 | 2021-12-28 | 上海亨临光电科技有限公司 | Passive terahertz human body security inspection image extraction method |
| CN115951421A (en) * | 2023-02-21 | 2023-04-11 | 安徽中科太赫兹科技有限公司 | Channel type terahertz active imaging human body security check instrument |
| CN115951421B (en) * | 2023-02-21 | 2023-10-17 | 安徽中科太赫兹科技有限公司 | Channel type terahertz active imaging human body security check instrument |
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