CN105785472A - Equipment and method for inspecting personnel hidden in vehicle - Google Patents
Equipment and method for inspecting personnel hidden in vehicle Download PDFInfo
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- CN105785472A CN105785472A CN201610131344.5A CN201610131344A CN105785472A CN 105785472 A CN105785472 A CN 105785472A CN 201610131344 A CN201610131344 A CN 201610131344A CN 105785472 A CN105785472 A CN 105785472A
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- 238000007689 inspection Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 6
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- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000010247 heart contraction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
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Abstract
The invention relates to equipment and a method for inspecting personnel hidden in a vehicle, wherein the equipment comprises a micro-vibration inspection device which is used for acquiring a vibration signal of an inspected vehicle on condition that the inspected vehicle is parked in an inspection area; a vehicle bottom image acquiring device which is used for acquiring the vehicle bottom image of the inspected vehicle; and a vibration signal threshold determining device which determines a vibration signal threshold of the inspected vehicle based on the vehicle bottom image that is acquired by the vehicle bottom image acquiring device and transmits data of the determined vibration signal threshold to the micro-vibration inspection device so that the micro-vibration inspection device can determine whether personnel are hidden in the vehicle through comparing the vibration signal with the determined vibration signal threshold. The equipment and the method sufficiently utilize information such as the vehicle bottom image for performing vibration signal threshold identification on the inspected vehicle and furthermore does not require artificial intervention. The equipment and the method have advantages of more accurate and quicker identification result in determining whether personnel hide in the vehicle, effective inspection speed improvement and more convenient use.
Description
Technical field
The present invention relates to safety inspection field, particularly relate to a kind of inspection equipment whether having concealed personnel for checking vehicles and method.
Background technology
It is one of the content of safety inspection that the vehicle whether personnel of concealing are checked, and current commonly used microseism Examined effect.The principle of microseism Examined effect is, if people concealed by vehicle, the vibration signal that the blood flowing that the heart beating of people brings produces can conduct out by the health of people and vehicle structure.Due to vehicle nobody time the background vibration signal that produces have a people from vehicle time generation vibration signal power level power within the scope of certain frequency different, therefore, the shaking sensor being attracted on car body or compartment is utilized to receive the vibration signal of vehicle, then the vibration signal of actual measurement is compared with the vibration signal threshold value preset, so that it may judge whether concealed people in vehicle.
Such as, US Patent No. 4415979A discloses a kind of for checking the method and apparatus whether having inanimate object in abiotic removable frame, it is by first obtaining the vibration signal of vehicle, analyze the power level of acquired vibration signal again, and compare with default threshold value, judge whether concealed people in vehicle.Again such as, US Patent No. 6873921B1 discloses the method and apparatus of a kind of middle hiding people that checks vehicles, the vibration signal of its first collection vehicle, carry out wavelet transformation and extract the signal power within the scope of certain resonance energy, compare with default threshold value again, judge whether concealed people in vehicle.
But, in general, the intensity of vehicle vibration signal is with the structure of vehicle about (preferred embodiment in such as US Patent No. 6370481B1 describes), and this makes the vibration signal intensity threshold of different vehicle by different.Such as, decision threshold (MIN.PWR numerical value) in US Patent No. 4415979A and the decision threshold (MINIMUM and THRESHOLD numerical value) in US6873921B1 need from externally input, and the parameter (MASS numerical value) affecting decision threshold in US Patent No. US6370481B1 is also required to be inputted from external manual by keyboard.Therefore, existing microseism checks system, the MicroSearch of such as U.S. ENSCO company and the DF110 of Taiwan Da Hua Internaional, Inc, all it is pre-stored with various vibration signal threshold value, and rule of thumb selected vibration signal threshold value by operator when checking, by the vibration signal of actual measurement and selected vibration signal threshold value being compared, to improve the accuracy checking result as possible.
But, due to many-sided differences such as viewing angle, operation experiences, operator likely selects wrong vibration signal threshold value, thus causing inspection result mistake.Such as, if large car is falsely dropped into compact car, it is easy to cause someone to be mistaken for unmanned, cause and fail to report；And if compact car is falsely dropped into large car, it is easy to cause nobody to be mistaken for people, cause wrong report.
On the other hand, owing in microseism checking process, vehicle must be in halted state, when underbody has concealed people, health can be departed from microseism checking process or partly depart from body construction by he, so that the vibration signal that heart beating produces is greatly reduced or even disappears, to escape inspection.
Summary of the invention
Technical problem
In view of this, the technical problem to be solved in the present invention is, how sensitive, exactly check vehicles whether conceal such as people etc. have inanimate object.
Solution
In order to solve above-mentioned technical problem, according to one embodiment of the invention, provide a kind of equipment for vehicle hiding people is checked, including for when tested vehicle parked in inspection area obtain described tested vehicle vibration signal microseism check device, also include:
Underbody image acquiring device, it is for obtaining the underbody image of described tested vehicle；And
Vibration signal threshold determining apparatus, it is based on the underbody image accessed by described underbody image acquiring device, determine the vibration signal threshold value of described tested vehicle, and the data of determined vibration signal threshold value are transferred to described microseism inspection device, so that described microseism checks that device can pass through to be compared to judge whether described tested vehicle has concealed personnel with corresponding determined vibration signal threshold value by described vibration signal.
For the said equipment, in a kind of possible implementation, described underbody image acquiring device includes:
The linear array CCD type underbody scanning device that two time intervals are installed, two described CCD type underbody scanning devices are operated with identical sequential, for obtaining two width underbody images of the tested vehicle gathered in front and back various location simultaneously；
For the said equipment, in a kind of possible implementation, described vibration signal threshold determining apparatus includes:
Vehicle commander determines module, for according to described underbody image, it is determined that the vehicle commander of described tested vehicle；
Vibration signal threshold value searches module, for the vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, searches the vibration signal threshold value of described tested vehicle.
For the said equipment, in a kind of possible implementation, described vehicle commander determines that module includes:
Vehicle commander's computing unit, for calculating the vehicle commander of described tested vehicle according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices；
For the said equipment, in a kind of possible implementation, described microseism checks that device is additionally operable to compare the vibration signal threshold value of described vibration signal with corresponding determined vehicle, obtain microseism and check result, and submit to operator by scanning the described underbody image obtained together with described microseism inspection result, confirm whether vehicle interior and underbody have hiding people for described operator.
In order to solve above-mentioned technical problem, according to another embodiment of the present invention, it is provided that a kind of method for vehicle hiding people is checked, including:
Obtain the underbody image of tested vehicle；
Based on described underbody image, it is determined that the vibration signal threshold value of described tested vehicle；
When described tested vehicle parked in inspection area, obtain the vibration signal of described tested vehicle；
Described vibration signal is compared with corresponding determined vibration signal threshold value, it is judged that whether described tested vehicle has concealed personnel.
For said method, in a kind of possible implementation, two width underbody images of the tested vehicle that described acquisition gathers at front and back position place simultaneously.
For said method, in a kind of possible implementation, described based on described underbody image, it is determined that the vibration signal threshold value of described tested vehicle, including:
According to described underbody image, it is determined that the vehicle commander of described tested vehicle；
Vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, searches the vibration signal threshold value of described tested vehicle.
For said method, in a kind of possible implementation, described according to described underbody image, it is determined that the vehicle commander of described tested vehicle, including:
The vehicle commander of described tested vehicle is calculated according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, and P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices；
For said method, in a kind of possible implementation, also include:
The vibration signal threshold value of described vibration signal with corresponding determined vehicle is compared, obtains microseism and check result；
Described underbody image scanning obtained checks with described microseism submits to operator together with result, confirm whether vehicle interior and underbody have hiding people for described operator.
Beneficial effect
The embodiment of the present invention, the information such as underbody image can be made full use of, automatically determine the vibration signal threshold value of tested vehicle, do not need manpower intervention, such that it is able to adopt the best vibration signal threshold value corresponding with tested vehicle the vibration signal detected is identified and processes, for vehicle whether hiding people recognition result more accurately and quick, improve inspection speed, use more convenient.Further, underbody scanogram checks result supplemented with microseism, it is prevented that the personnel that underbody is concealed escape microseism inspection.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, further feature and the aspect of the present invention will be clear from.
Accompanying drawing explanation
The accompanying drawing of the part comprising in the description and constituting description together illustrates the exemplary embodiment of the present invention, feature and aspect with description, and is used for explaining principles of the invention.
Fig. 1 be the embodiment of the present invention one for the structural representation to the equipment that vehicle hiding people checks；
Fig. 2 be the embodiment of the present invention two for the structural representation to the equipment that vehicle hiding people checks；
Fig. 3 is the structural representation for the vibration signal threshold determining apparatus to the equipment that vehicle hiding people checks of the embodiment of the present invention two；
Fig. 4 and Fig. 5 be the embodiment of the present invention three for the flow chart to the method that vehicle hiding people checks；
Fig. 6 be the embodiment of the present invention four for the flow chart to the method that vehicle hiding people checks.
Detailed description of the invention
The various exemplary embodiments of the present invention, feature and aspect is described in detail below with reference to accompanying drawing.Accompanying drawing labelling identical in accompanying drawing represents the same or analogous element of function.Although the various aspects of embodiment shown in the drawings, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here should not necessarily be construed as preferred or advantageous over other embodiments as any embodiment illustrated by " exemplary ".
It addition, in order to better illustrate the present invention, detailed description of the invention below gives numerous details.It will be appreciated by those skilled in the art that there is no some detail, the equally possible enforcement of the present invention.In some instances, method, means, element and the circuit known for those skilled in the art are not described in detail, in order to highlight the purport of the present invention.
Embodiment 1
Fig. 1 be the embodiment of the present invention one for the structural representation to the equipment that vehicle hiding people checks.As it is shown in figure 1, this equipment mainly may include that
For when tested vehicle parked in inspection area obtain described tested vehicle vibration signal microseism check device 11；
Underbody image acquiring device 13, it is for obtaining the underbody image of described tested vehicle；And
Vibration signal threshold determining apparatus 15, it is based on the underbody image accessed by described underbody image acquiring device 13, determine the vibration signal threshold value of described tested vehicle, and the data of determined vibration signal threshold value are transferred to described microseism inspection device 11, so that described microseism checks that device 11 can pass through to be compared to judge whether described tested vehicle has concealed personnel with corresponding determined vibration signal threshold value by described vibration signal.
Specifically, after underbody image acquiring device 13 obtains the underbody image of tested vehicle, vibration signal threshold determining apparatus 15 can based on the underbody image of tested vehicle, determine the vibration signal threshold value of tested vehicle, then microseism checks that the vibration signal threshold value of the vibration signal of the tested vehicle detected Yu tested vehicle can be compared by device 11, to judge that what whether tested vehicle concealed personnel such as people etc. has inanimate object.
The equipment for vehicle hiding people is checked of the present embodiment, the information such as underbody image can be made full use of, tested vehicle is carried out automatically vibration signal threshold value identification, do not need manpower intervention, such that it is able to adopt the best vibration signal threshold value corresponding with tested vehicle the vibration signal detected is identified and processes, for vehicle whether hiding people recognition result more accurately and quick, improve inspection speed, use more convenient.Further, underbody scanogram checks result supplemented with microseism, it is prevented that the personnel that underbody is concealed escape microseism inspection.
Embodiment 2
Fig. 2 be the embodiment of the present invention two for the structural representation to the equipment that vehicle hiding people checks.The assembly that in Fig. 2, label is identical with Fig. 1 has identical function, for simplicity's sake, omits the detailed description to these assemblies.
As in figure 2 it is shown, with shown in Fig. 1 for differring primarily in that the equipment that vehicle hiding people checks, the underbody image acquiring device 13 of this equipment may include that
Underbody scanning device 21, is used for obtaining described underbody image；Preferably, underbody scanning device 21 can be the linear array CCD type camera that two time intervals are installed, and two underbody scanning devices are operated with identical sequential, for obtaining two width underbody images of the tested vehicle gathered in front and back various location simultaneously.
As it is shown on figure 3, for the embodiment of the present invention two for the structural representation to the vibration signal threshold determining apparatus of the equipment that vehicle hiding people checks, in a kind of possible implementation, described vibration signal threshold determining apparatus 15 may include that
Vehicle commander determines module 31, for underbody image according to two width of described tested vehicle, it is determined that the vehicle commander of described tested vehicle；
Vibration signal threshold value searches module 33, for the vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, searches the vibration signal threshold value of described tested vehicle.
Specifically, can in advance to various typical vehicle, the length of collection vehicle respectively, and gather this vehicle and have people and unmanned vibration signal, using a certain numerical value that is in therebetween as vibration signal threshold value, then in data base, the corresponding relation of the data such as Vehicle length, vibration signal threshold value is preserved, for instance store corresponding relation according to form.After vehicle commander determines the vehicle commander that module 31 determines described tested vehicle, vibration signal threshold value searches module 33 can search the vibration signal threshold value of coupling at the corresponding relation pre-saved according to the vehicle commander of tested vehicle.Microseism checks that the microseismic signals tested vehicle being detected then can, according to the vibration signal threshold value of coupling, be analyzed identifying by device 11.
Further, described vehicle commander determines that module 31 specifically for calculating the vehicle commander of described tested vehicle according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices.
Further, described microseism checks that device 11 is additionally operable to compare the vibration signal threshold value of described vibration signal with corresponding determined vehicle, obtain microseism and check result, and submit to operator by scanning the described underbody image obtained together with described microseism inspection result, confirm whether vehicle interior and underbody have hiding people for described operator.Such as, underbody image and microseism are checked, and result is sent collectively to the terminal unit of operator, or is presented to operator by display etc..
Wherein, vibration signal threshold determining apparatus 15 and microseism check the analysis arbitration functions of device 11, it is possible to realized by the control equipment such as computer, microcontroller 25.Shaking sensor (not shown in Fig. 2) can be connected by flexible cable with controlling equipment 25, it is possible to moves freely, facilitates operator to be adsorbed onto on tested vehicle by shaking sensor.
The equipment for vehicle hiding people is checked of the present embodiment, the information such as underbody image can be made full use of, tested vehicle carries out vibration signal threshold value automatically determine, do not need manpower intervention, such that it is able to adopt the best vibration signal threshold value corresponding with tested vehicle the vibration signal detected is identified and processes, for vehicle whether hiding people recognition result more accurately and quick, improve inspection speed, use more convenient.Further, underbody scanogram checks result supplemented with microseism, it is prevented that the personnel that underbody is concealed escape microseism inspection.
Embodiment 3
Fig. 4 and Fig. 5 be the embodiment of the present invention three for the flow chart to the method that vehicle hiding people checks, as shown in Figure 4 and Figure 5, the method mainly may include that
Step 101, obtain the underbody image of tested vehicle；
Step 102, based on described underbody image, it is determined that the vibration signal threshold value of described tested vehicle；
Step 103, when described tested vehicle parked in inspection area, obtain the vibration signal of described tested vehicle；
Step 104, described vibration signal is compared with corresponding determined vibration signal threshold value, it is judged that whether described tested vehicle has concealed personnel.
In a kind of possible implementation, step 101 specifically may include that the two width underbody images obtaining the tested vehicle simultaneously gathered in front and back various location.
In a kind of possible implementation, step 102 may include that
Step 201, according to two width of described tested vehicle underbody image, it is determined that the vehicle commander of described tested vehicle.
Step 202, vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, search the vibration signal threshold value of described tested vehicle.
In a kind of possible implementation, step 201 specifically can include determining that the concrete example of vehicle commander.
The vehicle commander of described tested vehicle is calculated according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, and P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices.
In a kind of possible implementation, step 104 may include that
Step 203, the vibration signal threshold value of described vibration signal with corresponding determined vehicle is compared, obtain microseism and check result；
Step 204, described underbody image scanning obtained check with described microseism submits to operator together with result, confirm whether vehicle interior and underbody have hiding people for described operator.
The method for vehicle hiding people is checked of the present embodiment, underbody image information can be made full use of, tested vehicle is carried out automatically vibration signal threshold value identification, do not need manpower intervention, such that it is able to adopt the best vibration signal threshold value corresponding with tested vehicle the vibration signal detected is identified and processes, for vehicle whether hiding people recognition result more accurately and quick, improve inspection speed, use more convenient.Further, it is also possible to the personnel that underbody is concealed detected, it is achieved the more fully inspection to vehicle whether hiding people.
Embodiment 4
Fig. 6 be the embodiment of the present invention four for the flow chart to the method that vehicle hiding people checks, as shown in Figure 6, the method can adopt performing for the equipment (being called for short inspection equipment in figure) that vehicle hiding people is checked in above-described embodiment, specifically may comprise steps of:
Step 701, porch, inspection area in the inner part, are provided with two thorough scanning device linear array CCD type cameras, and when tested vehicle at the uniform velocity crosses, CCD type camera scanning underbody is with collecting vehicle base map picture.
After step 702, tested vehicle sail inspection area into completely, CCD type camera is by the underbody image transmitting of tested vehicle to vibration signal threshold determining apparatus, and vibration signal threshold value vibration signal threshold determining apparatus can be arranged in a computer.
Step 703, underbody image is analyzed by computer and obtains the vibration signal threshold value of tested vehicle.The process of concrete acquisition vibration signal threshold value is referring to the associated description in the said equipment embodiment.
Step 704, tested vehicle are after coming to a complete stop in inspection area, and driver is flame-out to get off.
Shaking sensor is adsorbed on the chassis place of tested vehicle by step 705, operator.
Step 706, the equipment that checks, by shaking sensor, gather the vibration signal of tested vehicle.Wherein, shaking sensor can be connected by flexible cable with computer, such that it is able to move freely, facilitates operator to use.
After step 707, predetermined gatherer process complete, vibration signal and vibration signal threshold value are compared by computer, obtain whether tested vehicle conceals the judged result of personnel, if any people or unmanned.
Shaking sensor is removed by step 708, operator from tested vehicle, and checks the result of determination of equipment according to underbody scanogram and microseism, confirms in car and whether underbody has people.If unmanned, tested vehicle is let pass.If someone, carry out manual further inspection.
The method of the present embodiment can adopt performing for the equipment that vehicle hiding people is checked of any one structure in above-described embodiment, the information such as underbody image can be made full use of, tested vehicle carries out vibration signal threshold value automatically determine, do not need manpower intervention, such that it is able to adopt the best vibration signal threshold value corresponding with tested vehicle the vibration signal detected is identified and processes, for vehicle whether hiding people recognition result more accurately and quick, improve inspection speed, use more convenient.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. for an equipment that vehicle hiding people is checked, including for when tested vehicle parked in inspection area obtain described tested vehicle the microseism of vibration signal check device, it is characterised in that also include:
Underbody image acquiring device, it is for obtaining the underbody image of described tested vehicle；And
Vibration signal threshold determining apparatus, it is based on the underbody image accessed by described underbody image acquiring device, determine the vibration signal threshold value of described tested vehicle, and the data of determined vibration signal threshold value are transferred to described microseism inspection device, so that described microseism checks that device can pass through to be compared to judge whether described tested vehicle has concealed personnel with corresponding determined vibration signal threshold value by described vibration signal.
2. equipment according to claim 1, it is characterised in that described underbody image acquiring device includes:
The linear array CCD type underbody scanning device that two time intervals are installed, two described underbody scanning devices are operated with identical sequential, for obtaining two width underbody images of the tested vehicle gathered in front and back various location simultaneously.
3. equipment according to claim 2, it is characterised in that described vibration signal threshold determining apparatus includes:
Vehicle commander determines module, for according to described underbody image, it is determined that the vehicle commander of described tested vehicle；
Vibration signal threshold value searches module, for the vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, searches the vibration signal threshold value of described tested vehicle.
4. equipment according to claim 3, it is characterized in that, described vehicle commander determines that module specifically for calculating the vehicle commander of described tested vehicle according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices.
5. equipment according to any one of claim 1 to 4, it is characterised in that
Described microseism checks that device is additionally operable to compare the vibration signal threshold value of described vibration signal with corresponding determined vehicle, obtain microseism and check result, and check, with described microseism, the terminal unit submitting to operator together with result by scanning the described underbody image obtained, confirm whether vehicle interior and underbody have hiding people for described operator.
6. the method for vehicle hiding people is checked, it is characterised in that including:
Obtain the underbody image of tested vehicle；
Based on described underbody image, it is determined that the vibration signal threshold value of described tested vehicle；
When described tested vehicle parked in inspection area, obtain the vibration signal of described tested vehicle；
Described vibration signal is compared with corresponding determined vibration signal threshold value, it is judged that whether described tested vehicle has concealed personnel.
7. method according to claim 6, it is characterised in that the underbody image obtaining tested vehicle includes: obtain two width underbody images of the tested vehicle simultaneously gathered in front and back various location.
8. method according to claim 7, it is characterised in that described based on described underbody image, it is determined that the vibration signal threshold value of described tested vehicle, including:
According to described underbody image, it is determined that the vehicle commander of described tested vehicle；
Vehicle commander according to described tested vehicle, in the corresponding relation pre-saved, searches the vibration signal threshold value of described tested vehicle.
9. method according to claim 8, it is characterised in that described according to described underbody image, it is determined that the vehicle commander of described tested vehicle, including:
The vehicle commander of described tested vehicle is calculated according to formula L=D × S/P, wherein L is the vehicle commander of described tested vehicle, S is the columns that in underbody image, vehicle occupies, and P is the dislocation columns in two width underbody images between vehicle location, and D is the installation site interval of two underbody scanning devices.
10. the method according to any one of claim 6 to 9, it is characterised in that
The vibration signal threshold value of described vibration signal with corresponding determined vehicle is compared, obtains microseism and check result；
Described underbody image scanning obtained checks with described microseism submits to operator together with result, confirm whether vehicle interior and underbody have hiding people for described operator.
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| CN201610131344.5A CN105785472B (en) | 2016-03-08 | 2016-03-08 | Device and method for being checked vehicle hiding people |
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| CN111175809A (en) * | 2020-02-18 | 2020-05-19 | 北京吉宝通科技发展有限公司 | Micro-vibration vehicle security inspection method and system |
| US11501541B2 (en) | 2019-07-10 | 2022-11-15 | Gatekeeper Inc. | Imaging systems for facial detection, license plate reading, vehicle overview and vehicle make, model and color detection |
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| US11736663B2 (en) | 2019-10-25 | 2023-08-22 | Gatekeeper Inc. | Image artifact mitigation in scanners for entry control systems |
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| CN106408947A (en) * | 2016-08-29 | 2017-02-15 | 迈锐数据（北京）有限公司 | Vehicle identification method, vehicle identification device and buried vehicle detector |
| CN107015268A (en) * | 2017-02-22 | 2017-08-04 | 湖南华诺星空电子技术有限公司 | A kind of vehicle hiding people detection method and device |
| US9953210B1 (en) | 2017-05-30 | 2018-04-24 | Gatekeeper Inc. | Apparatus, systems and methods for improved facial detection and recognition in vehicle inspection security systems |
| US11538257B2 (en) | 2017-12-08 | 2022-12-27 | Gatekeeper Inc. | Detection, counting and identification of occupants in vehicles |
| US11501541B2 (en) | 2019-07-10 | 2022-11-15 | Gatekeeper Inc. | Imaging systems for facial detection, license plate reading, vehicle overview and vehicle make, model and color detection |
| US11736663B2 (en) | 2019-10-25 | 2023-08-22 | Gatekeeper Inc. | Image artifact mitigation in scanners for entry control systems |
| CN111175809A (en) * | 2020-02-18 | 2020-05-19 | 北京吉宝通科技发展有限公司 | Micro-vibration vehicle security inspection method and system |
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| CN105785472B (en) | 2019-06-11 |
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