CN206892005U - A kind of double source double-visual angle safe examination system - Google Patents
A kind of double source double-visual angle safe examination system Download PDFInfo
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Abstract
The utility model discloses a kind of double source double-visual angle safe examination system, including：Screening machine, processor, display screen, several detection devices；Several detection devices are divided on screening machine so that are set between the detection source of several detection devices in predetermined angle；Processor is connected with display screen, several detection devices respectively.The utility model greatly reduces single detection angles and causes dangerous goods detection leakage phenomenon occur；The bag image excessively of the article under different angles can be seen in security staff simultaneously, so as to know the structure of target item, and then facilitates safety check staff that quickly dangerous goods are identified and carries out the effective measures of correlation, improves the operating efficiency of safety check；And the safe examination system of multi-source various visual angles is widely used in, and it is practical, tally with the national condition, there are good market prospects.
Description
Technical field
Safety check technical field is the utility model is related to, espespecially a kind of double source double-visual angle safe examination system.
Background technology
Safety inspection is the important safety measure of the public places such as aviation, railway, harbour, station, with the high speed of economy
Development, also increases, safety check apparatus is because its automaticity is higher, increasingly by extensive to the efficiency of safety inspection
Using.
In the prior art, the Security Inspection Equipments used in airport, railway, highway transportation are generally saturating with single X ray
Based on imaging, but because the article in luggage to be checked is often what is be stacked together, due to there was only a detector, because
And luggage image on a direction can only be checked, and due to mutually blocking and covering between the article in luggage, cause
Along some small volumes on X ray direction but being folded in the article between larger volume article can not be detected, easily
There is the phenomenon of missing inspection, so as to cause some criminals it is intentional by dangerous goods (such as drugs, banning drugs, even knife, gun
Deng) fold up among luggage, but safety check can be safely crossed without being found, this obviously can cause very big Shanghai to people,
Or even the social security in China is influenceed, it is not inconsistent with China's national situation.And the luggage image of a single direction only visible direction
Article figure, when finding dangerous goods, security staff only just knows that dangerous article is present, without knowing the specific danger
The specific shape of product, therefore, when searching dangerous goods, article it can only be investigated one by one, when not only very wasting
Between, and operating efficiency is low.
Therefore, the application is directed to providing a kind of double source double-visual angle safe examination system.
The content of the invention
The purpose of this utility model is to provide a kind of double source double-visual angle safe examination system, greatly reduces single detection angles
And dangerous goods are caused detection leakage phenomenon occur；The bag image excessively of the article under different angles can be seen in security staff simultaneously, from
And know the structure of target item, and then facilitate safety check staff that quickly dangerous goods are identified and carry out correlation
Effective measures, improve the operating efficiency of safety check
The technical scheme that the utility model is provided is as follows：
A kind of double source double-visual angle safe examination system, including：
Screening machine, processor, display screen, several detection devices；
Several described detection devices are divided on the screening machine so that the detection source of several detection devices it
Between in predetermined angle set；
The processor is connected with the display screen, several described detection devices respectively.
In the technical program, multiple cross for the different angle for collecting luggage by covering detection device more and is carried out at bag images
It has been shown that, so as to avoid the occurrence of article particularly dangerous goods that detection device missing inspection crossed in packet rows Lee (such as small dangerous goods because
Big blocking for article beside it and can not be detected, or because luggage is placed on the radiation dead angle of detection device and missing inspection etc.),
And safety check staff can quickly judge the dangerous goods by the view of the different angle to same dangerous goods
Structure, thus be more prone to that the dangerous goods are positioned and identified, and then the effective measures of correlation are taken in time, improve
The operating efficiency of safety check.More optimizedly, due to being set detection device, therefore the angle between the mounting surface of this few detection device more
Degree relation is configured by preset value, so as to avoid the occurrence of the appearance at safety check dead angle as far as possible.This safe examination system is practical, meets
China's national situation, there are good market prospects.
It is further preferred that the processor is connected with the screening machine；And/or the scope of the predetermined angle is 40-
90°；And/or several described detection devices are X-ray detection device.
In the technical program, processor connects with screening machine, so as to realize that processor opens and closes screening machine or screening machine opens and closes
Processor, so as to realize the full-automatic and intelligent of the system.
It is further preferred that the quantity of the detection device is two, i.e. the first detection device and the second detection device；Institute
Stating the first detection device includes being used for the first transmitter for launching the first detection source, and receives the first of the first detection source and receive
Device；Second detection device includes being used for the second transmitter for launching the second detection source, and receives the of the second detection source
Two receivers；The first transmitter and the second transmitter are divided into orthogonal two planes or with located at same
In plane；First receiver is arranged at excessively in bag passage of the screening machine towards the first transmitter；Described second
Receiver is arranged at excessively in bag passage of the screening machine towards the second transmitter.
In the technical program, the double source double-visual angle safety checks of luggage are realized by two sets of set detection devices, and transmitter (i.e. the
One transmitter and second transmitter) and receiver (i.e. the first receiver and the second receiver) mounting means according to being actually needed
It is configured, strong adaptability, can be arranged according to the screening machine of variety classes or style, harmony is strong, has a wide range of application.And
The installation site of first transmitter and second transmitter can be generally aligned in the same plane or Different Plane on.
It is further preferred that the first transmitter and the second transmitter cross prolonging for bag passage along the screening machine
Direction is opened up to set in the first pre-determined distance.
It is further preferred that the scope of first pre-determined distance is 0-0.5m.
It is further preferred that first receiver and second receiver are divided into orthogonal two planes
Or it is same in same plane, and it is respectively facing first transmitter and second transmitter setting.
In the technical program, receiver (i.e. the first receiver and the second receiver) can be with transmitter (i.e. first transmitter
And second transmitter) be oppositely arranged on around bag passage,；Also can not be oppositely arranged with transmitter, but at an angle
Set, as long as receiver can receive the detection source (i.e. the first detection source and the second detection source) that transmitter is launched.And
The installation site of first receiver and the second receiver can be generally aligned in the same plane or Different Plane on.
It is further preferred that first receiver and second receiver cross prolonging for bag passage along the screening machine
Direction is opened up to set in the second pre-determined distance.
It is further preferred that the scope of second pre-determined distance is 0-0.3m.
It is further preferred that first receiver and second receiver are L-shaped structure.
In the technical program, L-shaped structure make it that the area of the acceptable detection source of receiver is bigger, and then improves detection source
Swept area, the safety check scope of detection device is improved, reduce the probability of missing inspection, so as to avoid causing target item because of missing inspection
(i.e. dangerous goods：Drugs, gun or cutter etc.) missing inspection, and then cause these target items flow to the common people, cause social peace
The potential threat of complete or common people health.
It is further preferred that warning device, it is connected with the processor.
In the technical program, warned by warning device, contain target item in luggage to show, prompt safety check work
Personnel carry out related effective measures.
A kind of double source double-visual angle safe examination system provided by the utility model, can bring following at least one beneficial effect：
1st, in the utility model, by crossing bag figure by what two sets or more identical or different detection devices were formed simultaneously
As carrying out showing simultaneously, not only greatly reduce single detection angles and cause dangerous goods detection leakage phenomenon occur；Pacify simultaneously
The bag image excessively of the article under different angles can be seen in inspection personnel, because the bag images of crossing of more set detection devices are to show simultaneously
, it is thus also avoided that because occurring multiple phenomenons crossed bag image and can not synchronously played covering the position relationship of detection device more, so as to
So that the progress that multiple angles of the same article in multiple images cross bag image effectively corresponds to, and then pass through multiple angles
Image can be effectively integrated dangerous goods, so as to know the structure of the dangerous goods, and then facilitate safety check staff fast
Speed dangerous goods are identified and detained, improves the operating efficiency of safety check.This safe examination system is applied widely, practicality
By force, tally with the national condition, there are good market prospects.
2nd, in the utility model, because two sets of identical or different detection devices are arranged on screening machine simultaneously, due to peace
The limiting factor of holding position, radiographic source etc., can frequently result in the bag image of crossing that this two sets of detection devices scan may not be
Caused by synchronization, therefore, in order to avoid the bag image of crossing first come out first comes out, what is then come out crosses after bag image out, so that
There is image and incomparability occur, in turn result in the discomfort of security staff's vision, and the probability of dangerous goods error in judgement,
Therefore, the cache-time for crossing bag image first come out is fitted according to the position relationship of two sets of detection devices.Even if so as to ensure
Two sets bag image can not produce simultaneously, can also simultaneously and it is synchronous play, facilitate safety check staff to carry out safety check process
Operation and be smoothed out.
3rd, in the utility model, when checking dangerous goods, actuation of an alarm is immediately carried out, to facilitate security staff to take
Related measure, and by two sets of dangerous goods bag image be fitted, so as to draw its space structure, to facilitate safety check
Staff can be fast and effeciently determined the dangerous goods when carrying out dangerous goods investigation according to the space structure
Position, take and the work such as detain, simplify safety check workflow, and improve the operating efficiency of safety check staff, and then reduce
The input of manpower, time during safety check, the high automation and high-intelligentization of the safe examination system of raising.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to double source double-visual angle safe examination system
Above-mentioned characteristic, technical characteristic, advantage and its implementation be further described.
Fig. 1 is the structural representation of the first embodiment of the utility model；
Fig. 2 is the structural representation of second of embodiment of the utility model；
Fig. 3 is the structural representation of the third embodiment of the utility model.
Drawing reference numeral explanation：
110. bag passage is crossed, 120. conveyer belts, 130. supports, 200. processors, 300. display screens, 410. first transmittings
Device, 420. first receivers, 430. first detection sources, 510. second transmitters, 520. second receivers, 530. second detections
Source.
Embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other embodiments.
To make simplified form, the part related to the utility model is only schematically show in each figure, they are simultaneously
Its practical structures as product is not represented.In addition, so that simplified form readily appreciates, have in some figures identical structure or
The part of function, only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not
" only this " only is represented, the situation of " more than one " can also be represented.Herein, the description of upper, lower, left, right, front and rear
It is for described accompanying drawing, not fully represents actual conditions.
In embodiment one, as Figure 1-3, a kind of double source double-visual angle safe examination system, including：Screening machine (is not marked in figure
Show), processor 200, display screen 300, several detection devices (not indicated in figure)；Several detection devices are divided into screening machine
On (not indicated in figure) so that set between the detection source of several detection devices in predetermined angle；Processor 200 is respectively with showing
Display screen 300, the connection of several detection devices.In the present embodiment, corresponding one an of detection device crosses bag image, and detection device
Installation site where plane be to be configured by predetermined angle,；And the selection and setting of predetermined angle, should be with n (n >=2)
The installation site of individual detection device does not influence luggage and crosses bag, and the different angle that this n detection device should correspond to luggage is set
(i.e. the diverse location of the detection source of detection device directive luggage at an angle) is put, to ensure that this n detection device can adopt
Collect the bag image excessively of no less than two angles (or plane).Predetermined angle ranges preferably from 40-90 ° of (i.e. n detection device
Detection source project in the plane for crossing bag passage 110 extension direction the space angle formed between each other), including
40 ° and 90 °, it is worthy of note that, in actual applications, the folder between the detection source that the transmitter of n detection device is launched
Angle does not have contacting for certainty, i.e., the angle formed two-by-two between detection source with the plane where the transmitter of the n detection device
Degree might not be equal with the angle that the plane where the transmitter of detection device is formed two-by-two.
In embodiment two, as Figure 1-3, on the basis of embodiment one, in addition to warning device (not indicated in figure),
It is connected with processor 200, and warning device is preferably connected with display screen 300, and warning device on display screen 300 by showing phase
The prompting (such as of different colors, different shapes pattern, the pattern of different shapes and voice message lamp of different colours) answered comes
Safety check staff is prompted to carry out corresponding measure：When such as having served as bag safety of image (i.e. not comprising target item), safety check is prompted
Staff, which lets pass, carries this pedestrian for crossing the luggage corresponding to bag image；It is dangerous (i.e. comprising target item) bag image has been served as
When, prompt safety check staff to prevent or catch and carry this pedestrian for crossing the luggage corresponding to bag image.Preferably processor 200
It is connected with screening machine, when screening machine is run.When i.e. the conveyer belt 120 of screening machine is run, triggering processor 200 works, and handles
Device 200 and then triggering detection device operation, so as to realize the timely detection of packet rows Lee.Certainly, screening machine also can directly with spy
Survey device, processor 200 and display screen 300 to connect, as long as conveyer belt 120 is run, just trigger detection device, processor simultaneously
200 and display screen 300 work simultaneously.And display can show the bag image excessively that each detection device is collected simultaneously respectively
Or the n one or more space structures (3-D view) crossed after the fitting of bag image that n detection device of display collects, and show
Show the space structure under different visual angles；And display can simultaneously after display processing cross bag image and the difference of target item regards
Bag image (i.e. the n target item that n detection device collects crosses bag image) is crossed under angle or by by n detection device
The n target item collected crosses one or more space structures (3-D view) that bag image is fitted and formed；When
Right display can also show simultaneously the luggage after fitting one or more space structures (3-D view) for crossing bag images and
Luggage crosses the space structure (3-D view) of bag image object article.
In embodiment three, as Figure 1-3, on the basis of embodiment one or two, the quantity of detection device is two, i.e.,
First detection device (not indicated in figure) and the second detection device (not indicated in figure)；First detection device includes being used to launch the
The first transmitter 410 of one detection source 430, and receive the first receiver 420 of the first detection source 430；Second detection device
Including the second transmitter 510 for launching the second detection source 530, and receive the second receiver of the second detection source 530
520；First transmitter 410 and second transmitter 510 are divided into orthogonal two planes or are located in same plane together,
And set in predetermined angle；Correspondingly first transmitter 410 is arranged at excessively in bag passage 110 of screening machine to first receiver 420；The
Correspondingly second transmitter 510 is arranged at excessively in bag passage 110 of screening machine to two receivers 520.First transmitter 410 and second is sent out
Emitter 510 is set along the extension direction for crossing bag passage 110 of screening machine in the first pre-determined distance；The model of the value of first pre-determined distance
Enclose for 0-0.5m.First receiver 420 and the second receiver 520 are divided into orthogonal two planes or with located at same
In plane, and it is respectively facing first transmitter 410 and second transmitter 510 is set.First receiver 420 and the second receiver
520 are set along the extension direction for crossing bag passage 110 of screening machine in the second pre-determined distance；First receiver 420 and second receives
Device 520 is set along the extension direction for crossing bag passage 110 of screening machine in the second pre-determined distance；The scope of the value of second pre-determined distance
For 0-0.3m.
In example IV, as shown in figure 1, on the basis of embodiment three, first transmitter 410 was located at bag passage 110
Lower section (i.e. the lower section of conveyer belt 120), conveyer belt 120 is supported by support 130, and certain first transmitter 410 can be arranged on
On the support 130 or on ground；Second transmitter 510 was located at the right side of bag passage 110；And first transmitter 410 and second
Transmitter 510 was located normal in the Different Plane in extension direction of bag passage 110 respectively, i.e. first transmitter 410 and
Two transmitters 510 are set along the extension direction for crossing bag passage 110 of screening machine in the first pre-determined distance, and the first pre-determined distance value is excellent
The mounting plane for electing first transmitter 410 and second transmitter 510 as is spatially brought into close contact (the i.e. value of the first pre-determined distance
For 0 or close to 0)；First receiver 420 and the second receiver 520 were preferably provided at the left upper in bag passage 110, and
The mounting plane of first receiver 420 and the second receiver 520 be spatially brought into close contact (i.e. the value of the second pre-determined distance be 0
Or close to 0), so, the first receiver 420 collects first and crosses the upward view that bag image is luggage, and the second receiver 520 gathers
The right view that bag image is luggage is crossed to second, passes through two orthogonal visual angle (i.e. the first detection source 430 and the second detections
The space angle that source 530 is formed is 90 °) collect cross bag image, thing when can avoid the single visual angle from gathering in luggage
Detection leakage phenomenon caused by mutually blocking between product；And first transmitter 410 and the receiver of second transmitter 510 and first
420 and second receiver 520 closely setting, reduce from position relationship first cross bag image and second cross bag image it
Between time difference, so as to input ensure first cross bag image and second cross bag image can synchronously be simultaneously displayed on display screen 300
On, without being cached to the preceding bag image of crossing of first frame picture.
What deserves to be explained is in a particular application, the space formed between the first detection source 430 and the second detection source 530
Angle is preferably 90 °, and where the plane where the installation site of first transmitter 410 and the installation site of second transmitter 510
Plane is also preferably set in 90 ° of angles；And first the angle formed between detection source 430 and the second detection source 530 be preferably
90°；Such first, which crosses bag image and second, crosses the image of bag image for luggage in 90 ° of two visual angles.Due to the first detection
Source 430 and the second detection source 530 are intended to set towards the different visual angle of luggage, in order to avoid the interference between detection source, first
The detection source 530 of detection source 430 and second preferably mutually staggers, and the first detection source 430 and the second detection source 530 are in irradiation process
It is non-intersect, i.e., without intersection).
In embodiment five, as shown in Fig. 2 unlike example IV, the first receiver 420 and second of example IV
Receiver 520 is L-shaped structure, and the first receiver 420 in the present embodiment is L-shaped structure, and the second receiver 520 is straight line
Shape structure.
In embodiment six, as shown in figure 3, on the basis of embodiment three, unlike example IV and five, the first hair
Emitter 410 and second transmitter 510 were placed on the right side of bag passage 110, and the first receiver 420 and the second receiver 520
The left side of bag passage 110 was placed on, and is L-shaped structure, wherein the interior right angle of first transmitter 410 and the second receiver 520
Interior right angle be oppositely arranged；And first transmitter 410 was located at the lower right of bag passage 110, and the first receiver 420 is corresponded to and set
In the upper left side for crossing bag passage 110；Second transmitter 510 was located at the upper right side of bag passage 110, and the second receiver 520 is right
The lower left of bag passage 110 should be located at.It must be noted that although first transmitter 410 and second transmitter 510 are set respectively
In the same side for crossing bag passage 110, therefore both are settable on the same plane crossed on the extension direction of bag passage 110,
And in the case that the first receiver 420 and the second receiver 520 do not conflict in installation site, can also set simultaneously along perpendicular to
Cross on the same plane on the extension direction of bag passage 110；Certainly, if first transmitter 410 and second transmitter 510 can not pacify
During mounted on the same plane excessively on the extension direction of bag passage 110, it can also be sequentially arranged at along bag passage 110 excessively and extend
On direction (setting for having distance along crossing on the direction of bag passage 110), now, first transmitter 410 and second transmitter 510 are excellent
Select small distance (i.e. spacing distance be preferably 0 or close to 0) be arranged at intervals, the corresponding receiver 520 of first receiver 420 and second
It is preferred that small distance (i.e. spacing distance be preferably 0 or close to 0) be arranged at intervals.
It is worthy of note that first detection device of above-described embodiment and gathering bag in the second detection device unit interval
The frame number of image is preferably identical.First detection device and the frame number phase of the picture of the second detection device collection in the i.e. same time
Together, when between the distance between receiver 420 of first transmitter 410 and first and the receiver 520 of first transmitter 410 and second
Distance it is equal when, then illustrate that first transmitter 410 launches what frequency and the second transmitter 510 of the first detection source 430 were launched
The frequency of second detection source 530 is identical；When the distance between receiver 420 of first transmitter 410 and first and first transmitter
410 and second the distance between receiver 520 it is unequal when, then illustrate that first transmitter 410 launches the frequency of the first detection source 430
The frequency for the second detection source 530 that rate is launched with second transmitter 510 differs.And first transmitter 410 and second transmitter
510 position is interchangeable (i.e. the first receiver 420 and the location swap of the second receiver 520)；First transmitter 410 and first connects
The position for receiving device 420 is also interchangeable；The position of the receiver 520 of second transmitter 510 and second is also interchangeable；First transmitter
410 and the installation site of second transmitter 510 be not limited to above-mentioned several situations, as first transmitter 410 was arranged on bag
The top (i.e. the first receiver 420 was arranged on the lower section of bag passage 110) of passage 110；And second transmitter 510 was arranged on
The left side (i.e. the second receiver 520 was arranged on the right side of bag passage 110) of bag passage 110；First transmitter 410 and second is sent out
Emitter 510 was arranged on the left side, top, lower section of bag passage 110 simultaneously, and (i.e. the first receiver 420 and the second receiver 520 are right
The right side, lower section, top of bag passage should be arranged on).And first detection device and the second detection device can be same source detector, such as
It is X-ray detection device；First detection device and the second detection device can be different source detectors, and such as the first detection device is
X-ray detection device, and the second detection device is back scattering detection device；Vice versa.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. double source double-visual angle safe examination system, it is characterised in that including：Screening machine, processor, display screen, several detection devices；Several described detection devices are divided on the screening machine so that are between the detection source of several detection devices Predetermined angle is set；The processor is connected with the display screen, several described detection devices respectively.
- 2. double source double-visual angle safe examination system according to claim 1, it is characterised in that：The processor is connected with the screening machine；And/orThe scope of the predetermined angle is 40-90 °；And/orSeveral described detection devices are X-ray detection device.
- 3. double source double-visual angle safe examination system according to claim 1 or 2, it is characterised in that：The quantity of the detection device is two, i.e. the first detection device and the second detection device；First detection device includes being used for the first transmitter for launching the first detection source, and receives the of the first detection source One receiver；Second detection device includes being used for the second transmitter for launching the second detection source, and receives the of the second detection source Two receivers；The first transmitter and the second transmitter are divided into orthogonal two planes or are located at same plane together It is interior；First receiver is arranged at excessively in bag passage of the screening machine towards the first transmitter；Second receiver is arranged at excessively in bag passage of the screening machine towards the second transmitter.
- 4. double source double-visual angle safe examination system according to claim 3, it is characterised in that：The extension direction for crossing bag passage of the first transmitter and the second transmitter along the screening machine is default in first Distance is set.
- 5. double source double-visual angle safe examination system according to claim 4, it is characterised in that：The scope of first pre-determined distance is 0-0.5m.
- 6. double source double-visual angle safe examination system according to claim 3, it is characterised in that：First receiver and second receiver are divided into orthogonal two planes or are located at same plane together It is interior, and it is respectively facing first transmitter and second transmitter setting.
- 7. double source double-visual angle safe examination system according to claim 6, it is characterised in that：The extension direction for crossing bag passage of first receiver and second receiver along the screening machine is default in second Distance is set.
- 8. double source double-visual angle safe examination system according to claim 7, it is characterised in that：The scope of second pre-determined distance is 0-0.3m.
- 9. double source double-visual angle safe examination system according to claim 3, it is characterised in that：First receiver and second receiver are L-shaped structure.
- 10. according to the double source double-visual angle safe examination system described in claim 1 or 2 or 4-9 any one, it is characterised in that also wrap Include：Warning device, it is connected with the processor.
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| CN201720689381.8U CN206892005U (en) | 2017-06-14 | 2017-06-14 | A kind of double source double-visual angle safe examination system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202808A (en) * | 2017-06-14 | 2017-09-26 | 上海英曼尼安全装备有限公司 | A kind of double source double-visual angle safety inspection method and its system |
| CN108508043A (en) * | 2018-06-06 | 2018-09-07 | 南京正驰科技发展有限公司 | Single source double-visual angle screening machine |
| CN111443389A (en) * | 2020-03-24 | 2020-07-24 | 青岛联创威科安防设备有限公司 | Double-view angle security inspection machine |
| CN114660097A (en) * | 2022-03-23 | 2022-06-24 | 成都智元汇信息技术股份有限公司 | Synchronous correction method and system based on double sources and double visual angles |
-
2017
- 2017-06-14 CN CN201720689381.8U patent/CN206892005U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202808A (en) * | 2017-06-14 | 2017-09-26 | 上海英曼尼安全装备有限公司 | A kind of double source double-visual angle safety inspection method and its system |
| CN108508043A (en) * | 2018-06-06 | 2018-09-07 | 南京正驰科技发展有限公司 | Single source double-visual angle screening machine |
| CN111443389A (en) * | 2020-03-24 | 2020-07-24 | 青岛联创威科安防设备有限公司 | Double-view angle security inspection machine |
| CN114660097A (en) * | 2022-03-23 | 2022-06-24 | 成都智元汇信息技术股份有限公司 | Synchronous correction method and system based on double sources and double visual angles |
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