CN109581520A - Conveying type personnel's scanning system - Google Patents
Conveying type personnel's scanning system Download PDFInfo
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- CN109581520A CN109581520A CN201811479295.XA CN201811479295A CN109581520A CN 109581520 A CN109581520 A CN 109581520A CN 201811479295 A CN201811479295 A CN 201811479295A CN 109581520 A CN109581520 A CN 109581520A
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- 238000012545 processing Methods 0.000 claims abstract description 97
- 238000012937 correction Methods 0.000 claims abstract description 31
- 238000004846 x-ray emission Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
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- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to a kind of conveying type personnel scanning systems, comprising: conveying type sweep mechanism, including linear array detector, conveyer belt, X-ray emission end, X-ray tube；In the conveying type sweep mechanism, the lower section of the conveyer belt is arranged in the linear array detector, the conveyer belt is located at the top of the conveyer belt for transmitting personnel targets to be scanned, the X-ray tube, and the X-ray emission end is arranged in the X-ray tube；Gender acquires equipment, for executing the image recognition based on personnel's shape to personnel's gender in poll processing image, to obtain corresponding real time personnel gender；Power correction equipment is connect with the X-ray emission end and gender acquisition equipment respectively, for receiving the real time personnel gender, is corrected in real time based on transmission power of the real time personnel gender to the X-ray emission end.Through the invention, while the efficiency and adaptive ability of X-ray personnel scanning being improved.
Description
Technical field
The present invention relates to conveying type scanning field more particularly to a kind of conveying type personnel scanning systems.
Background technique
Safety check scanning device carries out the electronic equipment of safety detection using X-ray scanning imaging technique to luggage, by X-ray
The part such as generator, X-ray detector, image processing system forms, and the safety of article is judged according to scanning imagery.X-ray
Safety check instrument belongs to low dangerous x-ray apparatus, and amount of radiation is far smaller than medical X-ray machine.
Summary of the invention
In order to solve personnel's x-ray scanning inefficiency in the prior art and the scanning of different sexes personnel can not be adjusted in real time
The technical problem of strategy, the present invention provides a kind of conveying type personnel scanning systems.
The present invention at least has following three important inventive points:
(1) the radiation ability to bear based on different sexes, the personnel's different sexes gone out to situ appraisal execute different spokes
Emission mode, meanwhile, personnel's Scanning Detction of conveying type improves the efficiency of detection；
(2) when image curve maximum radian is greater than pre-programmed curve maximum radian after treatment, image is corrected to the radian
Execute the circulating radian correction process based on maximum curve radian limitation, until acquisition treated image curve most
Big radian is no more than pre-programmed curve maximum radian；
(3) in circulating processing, the limitation in epicycle circular treatment is less than the limitation in front-wheel circular treatment.
According to an aspect of the present invention, a kind of conveying type personnel scanning system is provided, the system comprises:
Conveying type sweep mechanism, including linear array detector, conveyer belt, X-ray emission end, X-ray tube；In the biography
Send in formula sweep mechanism, the linear array detector is arranged in the lower section of the conveyer belt, the conveyer belt for transmit to
Scanning staff's target, the X-ray tube are located at the top of the conveyer belt, and the X-ray emission end is arranged in the X-ray tube
It is interior；Pin hole captures mechanism, is arranged near the X-ray tube, for feelings around the conveyer belt above linear array detector
Scape carries out candid photograph movement, to obtain image around conveyer belt；Radian calibration equipment is captured mechanism with the pin hole and is connect, is used for
Image around the conveyer belt is received, the radian limited the quantity based on maximum curve radian is executed to image around the conveyer belt and is corrected
Processing, to obtain and export corresponding radian correction image；Subgraph extract equipment is connect with the radian calibration equipment, is used
Correct image in receiving image and the radian around the conveyer belt, and based on default division size to the conveyer belt around
Image executes subgraph dividing processing, to obtain multiple first subgraphs, based on default division size to the radian correction chart
As executing subgraph dividing processing, to obtain multiple second subgraphs；Representative processing equipment, with the subgraph extract equipment
Connection, for carrying out multiple curve maximum radians of multiple first subgraphs of predeterminated position in image around the conveyer belt
Handling averagely, with obtain handle before curve maximum radian, be also used to correct the radian the multiple of predeterminated position in image
Multiple curve maximum radians of second subgraph average processing, with curve maximum radian after being handled；Poll processing
Equipment connect with the representative processing equipment, for after the processing received curve maximum radian be greater than it is default bent
When line maximum radian, radian correction image is executed at the circulating radian correction based on maximum curve radian limitation
Reason, until the curve maximum radian of acquisition treated image is no more than pre-programmed curve maximum radian, and the processing that will acquire
Image afterwards is as poll processing image output, wherein the limitation in epicycle circular treatment is less than the limit in front-wheel circular treatment
Amount；Gender acquires equipment, connect with the poll processing equipment, for handling image to the reception poll, to the poll
The personnel's gender handled in image executes the image recognition based on personnel's shape, to obtain corresponding real time personnel gender；Power
Corrective is connect, for receiving the real time personnel respectively with the X-ray emission end and gender acquisition equipment
Not, it is corrected in real time based on transmission power of the real time personnel gender to the X-ray emission end；Wherein, in the function
In rate corrective, when the real time personnel gender is male, the transmission power at the revised X-ray emission end is greater than
The transmission power at the revised X-ray emission end when real time personnel gender is women.
More specifically, in the conveying type personnel scanning system: the poll processing equipment is also used to receiving
After the processing curve maximum radian be less than or equal to the processing before curve maximum radian when, using the radian correction image as
Poll handles image, and exports the poll processing image.
Specific embodiment
The embodiment of conveying type personnel's scanning system of the invention will be described in detail below.
Safety check scanning device is also known as X-ray safety check instrument, luggage security check instrument, is to be sent into examined luggage by means of conveyer belt
X-ray examination channel and complete check electronic equipment, be mainly disposed to subway, airport, museum, government bodies etc. and need to pacify
The place of inspection.Safety check scanning device composed structure is as follows: X-ray production apparatus, X-ray detection case, image processing system (computer).
The working method of safety check scanning device is as follows: when safety check, X-ray production apparatus issues X-ray, and X-ray transparent is detected luggage
Afterwards, radioscopy figure is formed on X-ray detection case.
In order to overcome above-mentioned deficiency, the present invention has built a kind of conveying type personnel scanning system, can effectively solve the problem that corresponding
The technical issues of.
The conveying type personnel's scanning system shown according to an embodiment of the present invention includes:
Conveying type sweep mechanism, including linear array detector, conveyer belt, X-ray emission end, X-ray tube；
In the conveying type sweep mechanism, the lower section of the conveyer belt is arranged in the linear array detector, described
For conveyer belt for transmitting personnel targets to be scanned, the X-ray tube is located at the top of the conveyer belt, the X-ray emission end
It is arranged in the X-ray tube；
Pin hole captures mechanism, is arranged near the X-ray tube, for the conveyer belt week above linear array detector
It encloses scene and carries out candid photograph movement, to obtain image around conveyer belt；
Radian calibration equipment is captured mechanism with the pin hole and is connect, for receiving image around the conveyer belt, to described
Image executes the radian correction process limited the quantity based on maximum curve radian around conveyer belt, to obtain and export corresponding radian school
Positive image；
Subgraph extract equipment is connect with the radian calibration equipment, for receiving image and institute around the conveyer belt
Radian correction image is stated, and subgraph dividing processing is executed to image around the conveyer belt based on default division size, to obtain
Multiple first subgraphs are obtained, subgraph dividing processing are executed to radian correction image based on default division size, with acquisition
Multiple second subgraphs；
Representative processing equipment is connect with the subgraph extract equipment, and being used for will be pre- in image around the conveyer belt
If multiple curve maximum radians of multiple first subgraphs of position average processing, preceding curve maximum arc is handled to obtain
Degree is also used to carry out multiple curve maximum radians that the radian corrects multiple second subgraphs of predeterminated position in image flat
Homogenizing processing, with curve maximum radian after being handled；
Poll processing equipment is connect with the representative processing equipment, for curve to be most after the processing received
When big radian is greater than pre-programmed curve maximum radian, radian correction image is executed circulating based on maximum curve radian limit
The radian correction process of amount, until the curve maximum radian of acquisition treated image is no more than pre-programmed curve maximum radian,
And the image that will acquire that treated is as poll processing image output, wherein the limitation in epicycle circular treatment is less than front-wheel
Limitation in circular treatment；
Gender acquires equipment, connect with the poll processing equipment, for handling image to the reception poll, to described
Poll handles personnel's gender in image and executes the image recognition based on personnel's shape, to obtain corresponding real time personnel gender；
Power correction equipment is connect with the X-ray emission end and gender acquisition equipment respectively, described for receiving
Real time personnel gender is corrected in real time based on transmission power of the real time personnel gender to the X-ray emission end；
Wherein, in the power correction equipment, when the real time personnel gender is male, the revised X is penetrated
The transmission power of line transmitting terminal is greater than the transmitting at the revised X-ray emission end when real time personnel gender is women
Power.
Then, continue that the specific structure of conveying type personnel's scanning system of the invention is further detailed.
In the conveying type personnel scanning system: the poll processing equipment is also used to after the processing received
Curve maximum radian be less than or equal to the processing before curve maximum radian when, using the radian correction image as poll processing figure
Picture, and export the poll processing image.
In the conveying type personnel scanning system: the poll processing equipment further includes that radian receives sub- equipment, circulation
It handles sub- equipment and image exports sub- equipment, the sub- equipment of circular treatment receives sub- equipment and the figure with the radian respectively
As exporting sub- equipment connection.
In the conveying type personnel scanning system: the sub- equipment of circular treatment is used for after the processing received
When curve maximum radian is greater than pre-programmed curve maximum radian, radian correction image is executed circulating based on maximum curve
The radian correction process of radian limitation, until to be no more than pre-programmed curve maximum for the curve maximum radian of acquisition treated image
Radian.
In the conveying type personnel scanning system: in the representative processing equipment, the predeterminated position is processing
The central location of image, i.e., for image around radian correction image or the conveyer belt, the predeterminated position is described
Radian corrects the central location of image around image or the conveyer belt.
In the conveying type personnel scanning system, further includes:
Pixel acquires equipment, captures mechanism with the pin hole and connect, for receiving image around the conveyer belt, is based on
Whether the gray value of each pixel around the conveyer belt in image mutates to determine whether each pixel belongs to
Edge pixel point.
In the conveying type personnel scanning system, further includes:
Edge processing apparatus is connect with pixel acquisition equipment, for intending each edge pixel point progress geometry
It closes with the quantity of the object in image around the determination conveyer belt, and to each of image around conveyer belt object
It determines its redundancy, image pair around the conveyer belt is determined based on the redundancy of each object in image around the conveyer belt
The target redundancy degree answered.
In the conveying type personnel scanning system, further includes:
Redundancy processing equipment is connect, for connecing respectively with the radian calibration equipment and the data identification equipment
When the target redundancy degree received does not transfinite, image around the conveyer belt is executed corresponding time based on the target redundancy degree received
Several recursive filterings is handled to obtain and export recursive filtering image, is also filtered based on the target redundancy degree received to the recurrence
Wave image executes the Wiener filtering processing of respective intensities to obtain and export redundancy processing image, and target redundancy degree is higher, holds
The correspondence number of capable recursive filtering processing is fewer, and the respective intensities of the Wiener filtering processing of execution are smaller.
In the conveying type personnel scanning system: the redundancy processing equipment is also used in the target redundancy received
When degree transfinites, the recursive filtering processing for executing preset times to image around the conveyer belt handles image to obtain redundancy,
And redundancy processing image is replaced into image around the conveyer belt and is sent to the radian calibration equipment.
In the conveying type personnel scanning system: the redundancy processing equipment includes redundancy receiving unit, first
Filter processing unit and the second filter processing unit, first filter processing unit respectively with the redundancy receiving unit and
The second filter processing unit connection；
Wherein, first filter processing unit is used for when the target redundancy degree received does not transfinite, based on receiving
Target redundancy degree the recursive filtering processing of corresponding number is executed to obtain and export recurrence filter to image around the conveyer belt
Wave image, second filter processing unit are also used to execute the recursive filtering image based on the target redundancy degree received
The Wiener filtering processing of respective intensities is to obtain and export redundancy processing image.
In addition, can also include: WIFI communication equipment, be repaired with the power in the conveying type personnel scanning system
Positive equipment connection, for receiving and transmitting wirelessly the transmission power at the revised X-ray emission end.
WIFI is a kind of technology for allowing electronic equipment to be connected to a WLAN (WLAN), usually using 2.4G
UHF or 5G SHF ISM radio frequency band.Being connected to WLAN is usually to have cryptoguard；But can also be it is open, this
Sample allows for any equipment within the scope of WLAN can connect.WIFI is the brand of a wireless network communication technique, by
WIFI alliance is held.Purpose is the intercommunity improved between the Wi-Fi product based on 802.11 standard of IEEE.Someone's handle
Wireless Fidelity is known as using the local area network of 802.11 serial protocols of IEEE.WIFI is even equal to wireless the Internet network
(important component that WIFI is WLAN).
Using conveying type personnel's scanning system of the invention, for personnel's x-ray scanning inefficiency and nothing in the prior art
Method adjusts the technical issues of scanning strategy of different sexes personnel in real time, right by the radiation ability to bear based on different sexes
Personnel's different sexes that situ appraisal goes out execute different radiation modes, meanwhile, personnel's Scanning Detction of conveying type improves inspection
The efficiency of survey；When image curve maximum radian is greater than pre-programmed curve maximum radian after treatment, radian correction image is held
The circulating radian correction process based on maximum curve radian limitation of row, until the curve of acquisition treated image is maximum
Radian is no more than pre-programmed curve maximum radian；Simultaneously in circulating processing, the limitation in epicycle circular treatment is less than preceding repeating query
Limitation in ring processing.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of conveying type personnel scanning system, the system comprises:
Conveying type sweep mechanism, including linear array detector, conveyer belt, X-ray emission end, X-ray tube；
In the conveying type sweep mechanism, the lower section of the conveyer belt, the transmission is arranged in the linear array detector
Band is located at the top of the conveyer belt, the X-ray emission end setting for transmitting personnel targets to be scanned, the X-ray tube
In the X-ray tube；
Pin hole captures mechanism, is arranged near the X-ray tube, for feelings around the conveyer belt above linear array detector
Scape carries out candid photograph movement, to obtain image around conveyer belt；
Radian calibration equipment is captured mechanism with the pin hole and is connect, for receiving image around the conveyer belt, to the transmission
The radian correction process limited the quantity based on maximum curve radian is executed, with surrounding image to obtain and export corresponding radian correction chart
Picture；
Subgraph extract equipment is connect with the radian calibration equipment, for receiving image and the arc around the conveyer belt
Degree correction image, and subgraph dividing processing is executed to image around the conveyer belt based on default division size, it is more to obtain
A first subgraph executes subgraph dividing processing to radian correction image based on default division size, multiple to obtain
Second subgraph；
Representative processing equipment is connect with the subgraph extract equipment, for will preset position in image around the conveyer belt
The multiple curve maximum radians for multiple first subgraphs set average processing, handle preceding curve maximum radian to obtain,
The multiple curve maximum radians for being also used to correct the radian multiple second subgraphs of predeterminated position in image are averaged
Change processing, with curve maximum radian after being handled；
Poll processing equipment is connect, for the curve maximum arc after the processing received with the representative processing equipment
Degree be greater than pre-programmed curve maximum radian when, to the radian correction image execute it is circulating based on maximum curve radian limitation
Radian correction process, until the curve maximum radian of acquisition treated image is no more than pre-programmed curve maximum radian, and will
Treated image is obtained as poll processing image output, wherein the limitation in epicycle circular treatment is less than front-wheel circulation
Limitation in processing；
Gender acquires equipment, connect with the poll processing equipment, for handling image to the reception poll, to the poll
The personnel's gender handled in image executes the image recognition based on personnel's shape, to obtain corresponding real time personnel gender；
Power correction equipment is connect with the X-ray emission end and gender acquisition equipment respectively, described real-time for receiving
Personnel's gender is corrected in real time based on transmission power of the real time personnel gender to the X-ray emission end；
Wherein, in the power correction equipment, when the real time personnel gender is male, the revised X-ray hair
The transmission power for penetrating end is greater than the transmitting function at the revised X-ray emission end when real time personnel gender is women
Rate.
2. conveying type personnel scanning system as described in claim 1, it is characterised in that:
The poll processing equipment is also used to after the processing received before curve maximum radian is less than or equal to the processing
When curve maximum radian, image is handled using radian correction image as poll, and export the poll processing image.
3. conveying type personnel scanning system as claimed in claim 2, it is characterised in that:
The poll processing equipment further includes that radian receives sub- equipment, the sub- equipment of circular treatment and the sub- equipment of image output, described
The sub- equipment of circular treatment receives sub- equipment with the radian respectively and described image exports sub- equipment and connect.
4. conveying type personnel scanning system as claimed in claim 3, it is characterised in that:
The sub- equipment of circular treatment is used for the curve maximum radian after the processing received and is greater than pre-programmed curve maximum arc
When spending, the circulating radian correction process based on maximum curve radian limitation is executed to radian correction image, until obtaining
The curve maximum radian for the image that takes that treated is no more than pre-programmed curve maximum radian.
5. conveying type personnel scanning system as claimed in claim 4, it is characterised in that:
In the representative processing equipment, the predeterminated position is the central location for handling image, that is, is directed to the radian school
Image around positive image or the conveyer belt, the predeterminated position are that the radian corrects image around image or the conveyer belt
Central location.
6. conveying type personnel scanning system as claimed in claim 5, which is characterized in that the system also includes:
Pixel acquires equipment, captures mechanism with the pin hole and connect, for receiving image around the conveyer belt, based on described
Whether the gray value of each pixel around conveyer belt in image mutates to determine whether each pixel belongs to edge
Pixel.
7. conveying type personnel scanning system as claimed in claim 6, which is characterized in that the system also includes:
Edge processing apparatus, with the pixel acquisition equipment connect, for by each edge pixel point progress geometrical fit with
It determines the quantity of the object around the conveyer belt in image, and each of image around conveyer belt object is determined
Its redundancy determines that image is corresponding around the conveyer belt based on the redundancy of each object in image around the conveyer belt
Target redundancy degree.
8. conveying type personnel scanning system as claimed in claim 7, which is characterized in that the system also includes:
Redundancy processing equipment is connect, for receiving respectively with the radian calibration equipment and the data identification equipment
Target redundancy degree when not transfiniting, corresponding number is executed to image around the conveyer belt based on the target redundancy degree received
Recursive filtering processing is to obtain and export recursive filtering image, also based on the target redundancy degree received to the recursive filtering figure
As executing the Wiener filtering processing of respective intensities to obtain and export redundancy processing image, target redundancy degree is higher, execution
The correspondence number of recursive filtering processing is fewer, and the respective intensities of the Wiener filtering processing of execution are smaller.
9. conveying type personnel scanning system as claimed in claim 8, it is characterised in that:
The redundancy processing equipment is also used to hold image around the conveyer belt when the target redundancy degree received transfinites
Redundancy processing image is replaced the biography to obtain redundancy processing image by the recursive filtering processing of row preset times
Band surrounding image is sent to be sent to the radian calibration equipment.
10. conveying type personnel scanning system as claimed in claim 9, it is characterised in that:
The redundancy processing equipment includes redundancy receiving unit, the first filter processing unit and the second filter processing unit,
First filter processing unit is connect with the redundancy receiving unit and second filter processing unit respectively；
Wherein, first filter processing unit is used for when the target redundancy degree received does not transfinite, based on the mesh received
The recursive filtering that redundancy executes corresponding number to image around the conveyer belt is marked to handle to obtain and export recursive filtering figure
Picture, second filter processing unit are also used to execute correspondence to the recursive filtering image based on the target redundancy degree received
The Wiener filtering processing of intensity is to obtain and export redundancy processing image.
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| CN201811479295.XA CN109581520A (en) | 2018-12-05 | 2018-12-05 | Conveying type personnel's scanning system |
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| CN201811479295.XA CN109581520A (en) | 2018-12-05 | 2018-12-05 | Conveying type personnel's scanning system |
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Application publication date: 20190405 |