CN110865415B - Security check method and device - Google Patents
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Abstract
The invention discloses a security inspection method and a security inspection device, wherein the method comprises the following steps: acquiring the people flow corresponding to each security inspection port; and aiming at each security inspection port, determining a target object identification level corresponding to the security inspection port according to the traffic of people corresponding to the security inspection port and the preset object identification level corresponding to each traffic interval, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification level corresponding to the security inspection port, wherein the preset traffic interval of each person is not overlapped, and the object identification level corresponding to the higher the upper limit traffic of the traffic interval is lower. In the embodiment of the invention, when the security inspection mouth flow is higher, the X-ray security inspection machine is controlled to adopt a lower article identification level, and when the security inspection mouth flow is lower, the X-ray security inspection machine is controlled to adopt a higher article identification level, so that a security inspection scheme for improving security inspection quality under the condition of ensuring security inspection efficiency is provided.
Description
Technical Field
The invention relates to the technical field of security inspection, in particular to a security inspection method and device.
Background
With the development of science and technology and the continuous enhancement of safety awareness, various security inspection devices are widely applied to stations, airports, subways, ports, venues where major events or activities are held, and the like. The most commonly used security inspection equipment is an X-ray security inspection machine, and the current X-ray security inspection machine is increasingly widely applied in the fields of passenger flow and logistics, and particularly, when security inspection is performed, the X-ray security inspection machine collects an X-ray image of a package and detects whether contraband exists in the X-ray image of the package.
However, in order to ensure the security inspection efficiency, personnel congestion is prevented, the X-ray security inspection machine is usually at a lower article recognition level, namely, the X-ray security inspection machine adopts an article recognition algorithm with lower article recognition precision and simpler article recognition algorithm to detect whether prohibited articles exist in an X-ray image, but the X-ray security inspection machine is always at a lower article recognition level, so that security hazards are easily generated, and is always at a higher article recognition level, namely, an article recognition algorithm with high article recognition precision and more complex article recognition algorithm is adopted, and personnel congestion is easily caused because the time consumption is long when the article recognition algorithm with high recognition precision and more complex article recognition algorithm detects whether prohibited articles exist in the X-ray image of a package, so that a security inspection scheme for improving security inspection quality is urgently needed under the condition of ensuring security inspection efficiency.
Disclosure of Invention
The invention provides a security inspection method and a security inspection device, which are used for improving security inspection quality under the condition of ensuring security inspection efficiency.
In a first aspect, the invention discloses a security inspection method, which comprises the following steps:
acquiring the people flow corresponding to each security inspection port;
for each security inspection port, determining a target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and a preset object identification level corresponding to each people flow interval, wherein each preset people flow interval is not overlapped, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the higher the upper limit people flow of the people flow interval is;
and aiming at each security inspection port, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection port.
Further, the obtaining the people flow rate corresponding to each security inspection port includes:
for each security inspection port, determining the people flow corresponding to the security inspection port according to the number of people detected by a security inspection port camera corresponding to the security inspection port within a set time length; or (b)
And aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
Further, if no contraband is present in the acquired X-ray image, the method further comprises:
judging whether the object identification level corresponding to the X-ray security inspection machine is the highest object identification level;
if not, judging whether an article with similarity or confidence coefficient larger than a set threshold value exists in the X-ray image; and if yes, controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification level.
Further, if there is an item in the X-ray image having a similarity or confidence with contraband greater than a set threshold, the method further comprises:
and controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of the package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package.
Further, if the X-ray image is rechecked, determining that contraband exists in the X-ray image, the method further comprises:
and sending the first image of the package and/or the second image of the target person carrying the package to a monitoring system, so that the monitoring system tracks the package and/or the target person carrying the package.
In a second aspect, the present invention discloses a security inspection device, the device comprising:
the acquisition module is used for acquiring the people flow corresponding to each security inspection port;
the determining module is used for determining a target article identification level corresponding to each security inspection port according to the people flow corresponding to the security inspection port and the article identification level corresponding to each preset people flow interval, wherein each preset people flow interval is not overlapped, and the article identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the upper limit people flow of the people flow interval is;
the detection module is used for controlling the X-ray security inspection machine corresponding to each security inspection opening, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection opening.
Further, the acquiring module is specifically configured to determine, for each security inspection port, a traffic of people corresponding to the security inspection port according to the number of people detected by the security inspection port camera corresponding to the security inspection port within a set period of time; or aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
Further, the apparatus further comprises:
the first judging module is used for judging whether the object article identification level corresponding to the X-ray security inspection machine is the highest article identification level or not if no contraband exists in the collected X-ray image, and triggering the second judging module if the object article identification level is the highest article identification level;
the second judging module is used for judging whether articles with similarity or confidence coefficient larger than a set threshold value exist in the X-ray image, and if so, triggering the rechecking module;
and the rechecking module is used for controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification grade.
Further, the apparatus further comprises:
and the information acquisition module is used for controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of a package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package if the similarity or confidence coefficient of the X-ray image with the contraband is greater than a set threshold value.
Further, the apparatus further comprises:
and the tracking module is used for determining that contraband exists in the X-ray image if the X-ray image is rechecked, and sending the first image of the package and/or the second image of the target person carrying the package to the monitoring system so that the monitoring system tracks the package and/or the target person carrying the package.
The invention discloses a security inspection method and a security inspection device, wherein the method comprises the following steps: acquiring the people flow corresponding to each security inspection port; for each security inspection port, determining a target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and a preset object identification level corresponding to each people flow interval, wherein each preset people flow interval is not overlapped, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the higher the upper limit people flow of the people flow interval is; and aiming at each security inspection port, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection port. According to the embodiment of the invention, the electronic equipment determines the target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the preset object identification level corresponding to each people flow interval, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the object identification level is, so that the X-ray security inspection machine detects whether prohibited items exist in the collected X-ray image by adopting the lower object identification level when the corresponding security inspection port people flow is higher, the security inspection efficiency is ensured, the personnel is prevented from being jammed, and the higher object identification level detects whether prohibited items exist in the collected X-ray image when the corresponding security inspection port people flow is lower, the false inspection rate is reduced, the security inspection quality is ensured, and a security inspection scheme for improving the security inspection quality under the condition of ensuring the security inspection efficiency is provided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a security inspection process according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a security inspection process according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a security inspection device according to an embodiment of the present invention.
Detailed Description
For the purpose of promoting an understanding of the principles and advantages of the invention, reference will now be made in detail to the drawings, in which embodiments illustrated in the drawings are intended to illustrate, but not limit the invention to the specific embodiments illustrated. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic diagram of a security inspection process according to an embodiment of the present invention, where the process includes:
s101: and obtaining the flow of people corresponding to each security inspection port.
S102: and aiming at each security inspection port, determining a target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the preset object identification level corresponding to each people flow interval.
The security control method provided by the embodiment of the invention is applied to electronic equipment, wherein the electronic equipment can be mobile phones, personal Computers (PCs), tablet computers, servers and other equipment, and can also be security equipment such as X-ray security inspection machines and X-ray security inspection controllers.
In the embodiment of the invention, the article identification grade corresponding to each preset person flow interval is stored in the electronic equipment, wherein each preset person flow interval is not overlapped, and the article identification grade corresponding to the higher the upper limit person flow of the person flow interval is, the lower the article identification grade is. For example: the preset people flow interval comprises the following steps: the people flow interval 1"[0 person/min-20 person/min ]", the people flow interval 2"[21 person/min-50 person/min ]", the people flow interval 3"[51 person/min-100 person/min ]", the people flow interval 4"[101 person/min-200 person/min ]", the people flow interval 5"[201 person/min- ++ infinity ]", wherein the object recognition level corresponding to the people flow interval 1 is 5, the object recognition level corresponding to the people flow interval 2 is 4, the object recognition level corresponding to the people flow interval 3 is 3, the object recognition level corresponding to the people flow interval 4 is 2, and the object recognition level corresponding to the people flow interval 5 is 1.
In addition, in the embodiment of the invention, the higher the article identification level is, the higher the complexity of an article identification algorithm adopted by the X-ray security inspection machine is, the higher the identification precision of articles is, and the higher the accuracy of detecting whether contraband exists in the collected X-ray image is. For example: when the article identification level is 1, the X-ray security inspection machine adopts an article identification algorithm comprising 24 convolution layers, when the article identification level is 2, the X-ray security inspection machine adopts an article identification algorithm comprising 36 convolution layers, when the article identification level is 3, the X-ray security inspection machine adopts an article identification algorithm comprising 48 convolution layers, when the article identification level is 4, the X-ray security inspection machine adopts an article identification algorithm comprising 60 convolution layers, and when the article identification level is 5, the X-ray security inspection machine adopts an article identification algorithm comprising 72 convolution layers, and redundant description is omitted.
Specifically, for each security inspection port, the electronic device may obtain, according to the security inspection port camera corresponding to the security inspection port, a traffic volume corresponding to the security inspection port, and determine, according to the traffic volume corresponding to the security inspection port and a preset article identification level corresponding to each traffic volume interval, the traffic volume corresponding to the security inspection port, and determine a target article identification level corresponding to the security inspection port, for example: aiming at the security inspection port 1, the electronic equipment acquires that the people flow rate corresponding to the security inspection port 1 is 25 people/min, determines the people flow rate corresponding to the security inspection port 1 to correspond to the people flow rate interval 2, and determines the target object identification level corresponding to the security inspection port 1 to be 4.
S103: and aiming at each security inspection port, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection port.
Specifically, after determining the target article identification grade corresponding to each security inspection port, the electronic device controls an X-ray security inspection machine corresponding to each security inspection port, and detects whether contraband exists in the collected X-ray image by adopting the target article identification grade corresponding to the security inspection port. For example: aiming at the security inspection port 1, after the electronic equipment determines that the identification level of the object corresponding to the security inspection port 1 is 4, a control instruction containing the identification level of the object '4' is sent to the X-ray security inspection machine 1 corresponding to the security inspection port 1, the X-ray security inspection machine 1 is instructed to set the identification level of the object corresponding to the X-ray security inspection machine 1 to be 4, and whether contraband exists in the collected X-ray image is detected.
Preferably, in the embodiment of the present invention, the period of the article identification level adopted by the X-ray security inspection machine corresponding to each security inspection port may be controlled according to the traffic of people corresponding to each security inspection port and the article identification level corresponding to each traffic interval, where the period may be 1min, 2min, 5min, and the like.
According to the embodiment of the invention, the electronic equipment determines the target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the preset object identification level corresponding to each people flow interval, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the object identification level is, so that the X-ray security inspection machine detects whether prohibited items exist in the collected X-ray image by adopting the lower object identification level when the corresponding security inspection port people flow is higher, the security inspection efficiency is ensured, the personnel is prevented from being jammed, and the higher object identification level detects whether prohibited items exist in the collected X-ray image when the corresponding security inspection port people flow is lower, the false inspection rate is reduced, the security inspection quality is ensured, and a security inspection scheme for improving the security inspection quality under the condition of ensuring the security inspection efficiency is provided.
In order to ensure the accuracy of the determination of the traffic flow corresponding to the security inspection ports, in the embodiment of the present invention, the obtaining the traffic flow corresponding to each security inspection port includes:
for each security inspection port, determining the people flow corresponding to the security inspection port according to the number of people detected by a security inspection port camera corresponding to the security inspection port within a set time length; or (b)
And aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
Specifically, for each security inspection port, the electronic device may determine the people flow corresponding to the security inspection port according to the number of people detected by the security inspection port camera corresponding to the security inspection port within a set period of time, or may determine the people flow corresponding to the security inspection port according to the number of packages detected by the X-ray security inspection machine corresponding to the security inspection port within the set period of time, where the set period of time may be 1min, 3min, 5min, and the like. For example: the number of people detected by the security inspection port camera 1 corresponding to the security inspection port 1 within 5min is 125, and the people flow corresponding to the security inspection port 1 is determined to be 25 people/min; the number of packages detected by the X-ray security inspection machine 1 in a set time length corresponding to the security inspection port 1 is 130, and the people flow corresponding to the security inspection port 1 is determined to be 26 people/min. Because the personnel passing through the security inspection ports may carry one or more packages or may not carry packages, preferably, in the embodiment of the invention, when the electronic device obtains the personnel flow corresponding to each security inspection port, the personnel flow corresponding to the security inspection port is determined according to the number of the personnel detected by the security inspection port camera corresponding to the security inspection port within a set period of time.
In order to ensure the accuracy of security inspection, in the embodiments of the present invention, if no contraband exists in the acquired X-ray image, the method further includes:
judging whether the object identification level corresponding to the X-ray security inspection machine is the highest object identification level;
if not, judging whether an article with similarity or confidence coefficient larger than a set threshold value exists in the X-ray image; and if yes, controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification level.
Specifically, in order to prevent missing detection, if no contraband exists in the collected X-ray image detected by the X-ray security inspection machine, the electronic equipment further identifies whether the target object identification level corresponding to the X-ray security inspection machine is the highest object identification level, if not, the fact that the X-ray security inspection machine possibly missing detection of the contraband exists in the X-ray image is indicated, the electronic equipment judges whether the object with similarity or confidence degree larger than a set threshold value exists in the X-ray image, if yes, the fact that the contraband possibly exists in the X-ray image is indicated, and the X-ray security inspection machine is controlled to recheck whether the contraband exists in the X-ray image by adopting the highest object identification level.
In the embodiment of the invention, the similarity or confidence of each article in the X-ray image and the contraband can be determined when the X-ray security inspection machine detects whether the contraband exists in the X-ray image by adopting the target article identification level; the electronic device may also determine, without limitation, that the target image of each item in the X-ray image is matched with a sample image of each contraband stored in advance.
In order to facilitate tracking of contraband and persons carrying contraband, in the embodiments of the present invention, if there is an item with similarity or confidence with the contraband in the X-ray image greater than a set threshold, the method further includes:
and controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of the package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package.
If the X-ray image is rechecked, determining that contraband exists in the X-ray image, and the method further comprises:
and sending the first image of the package and/or the second image of the target person carrying the package to a monitoring system, so that the monitoring system tracks the package and/or the target person carrying the package.
Specifically, if the target object identification level corresponding to the X-ray security inspection machine is not the highest object identification level, and an object with similarity or confidence coefficient larger than a set threshold exists in the X-ray image, it is indicated that the contraband possibly exists in the X-ray image, and the electronic equipment controls the information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of the package and/or acquire a second image of the target person carrying the package corresponding to the X-ray image, and rechecks the X-ray image by adopting the highest object identification level, after determining that the contraband exists in the X-ray image, the first image of the package and/or the second image of the target person carrying the package are sent to the monitoring system, so that the monitoring system tracks the package and/or the target person carrying the package, marks the package and/or the target person carrying the package, and the security inspection person removes the hidden danger as soon as possible.
Fig. 2 is a schematic diagram of a security inspection process according to an embodiment of the present invention, where the process includes:
s201: and aiming at each security inspection port, acquiring the people flow corresponding to the security inspection port, and determining the target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the object identification level corresponding to each preset people flow interval.
S202: and controlling an X-ray security inspection machine corresponding to the security inspection port, detecting whether contraband exists in the collected X-ray image by adopting a target object identification grade corresponding to the security inspection port, if so, performing S207, and if not, performing S203.
S203: and judging whether the object identification level corresponding to the X-ray security inspection machine is the highest object identification level, if so, performing S206, and if not, performing S204.
S204: and judging whether an article with similarity or confidence coefficient larger than a set threshold exists in the X-ray image, if not, performing S206, and if so, performing S205.
S205: and controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of a package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package, and controlling the X-ray security inspection machine to recheck whether contraband exists in the X-ray image by adopting the highest article identification level, if recheck does not exist, performing S206, and if recheck exists, performing S207 and performing S208.
S206: and sending out prompt information that no contraband exists.
S207: and sending out alarm prompt information of the existence of contraband.
S208: and sending the first image of the package and/or the second image of the target person carrying the package to a monitoring system, so that the monitoring system tracks the package and/or the person carrying the package.
Fig. 3 is a schematic structural diagram of a security inspection device according to an embodiment of the present invention, where the device includes:
the acquiring module 31 is configured to acquire a traffic flow corresponding to each security inspection port;
a determining module 32, configured to determine, for each security inspection port, a target article identification level corresponding to the security inspection port according to a traffic volume corresponding to the security inspection port and a preset article identification level corresponding to each traffic volume interval, where each preset traffic volume interval is not overlapped, and the article identification level corresponding to the higher the upper limit traffic volume of the traffic volume interval is lower;
the detection module 33 is configured to control an X-ray security inspection machine corresponding to each security inspection port, and detect whether contraband exists in the collected X-ray image by using the target article identification level corresponding to the security inspection port.
The acquiring module 31 is specifically configured to determine, for each security inspection port, a traffic volume corresponding to the security inspection port according to the number of people detected by the security inspection port camera corresponding to the security inspection port within a set period of time; or aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
The apparatus further comprises:
the first judging module 34 is configured to judge whether the target article identification level corresponding to the X-ray security inspection machine is the highest article identification level if no contraband exists in the collected X-ray image, and trigger the second judging module if the judgment result is negative;
the second judging module 35 is configured to judge whether an article with similarity or confidence coefficient greater than a set threshold exists in the X-ray image, and if so, trigger the rechecking module;
and the rechecking module 36 is used for controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification level.
The apparatus further comprises:
and the information acquisition module 37 is used for controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of a package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package if the similarity or the confidence coefficient of the X-ray image with the contraband is greater than a set threshold value.
The apparatus further comprises:
and the tracking module 38 is configured to send the first image of the package and/or the second image of the target person carrying the package to the monitoring system if the X-ray image is rechecked to determine that contraband exists in the X-ray image, so that the monitoring system tracks the package and/or the target person carrying the package.
The invention discloses a security inspection method and a security inspection device, wherein the method comprises the following steps: acquiring the people flow corresponding to each security inspection port, and determining a target object identification level corresponding to each security inspection port according to the people flow corresponding to the security inspection port and the object identification level corresponding to each preset people flow interval for each security inspection port, wherein each preset people flow interval is not overlapped, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is lower; and aiming at each security inspection port, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting a target object identification grade corresponding to the security inspection port. According to the embodiment of the invention, the electronic equipment determines the target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the preset object identification level corresponding to each people flow interval, and the object identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the object identification level is, so that the X-ray security inspection machine detects whether prohibited items exist in the collected X-ray image by adopting the lower object identification level when the corresponding security inspection port people flow is higher, the security inspection efficiency is ensured, the personnel is prevented from being jammed, and the higher object identification level detects whether prohibited items exist in the collected X-ray image when the corresponding security inspection port people flow is lower, the false inspection rate is reduced, the security inspection quality is ensured, and a security inspection scheme for improving the security inspection quality under the condition of ensuring the security inspection efficiency is provided.
For system/device embodiments, the description is relatively simple as it is substantially similar to method embodiments, with reference to the description of method embodiments in part.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A security inspection method, the method comprising:
acquiring the people flow corresponding to each security inspection port;
for each security inspection port, determining a target object identification level corresponding to the security inspection port according to the people flow corresponding to the security inspection port and the preset object identification level corresponding to each people flow interval, wherein each preset people flow interval is not overlapped, and the higher the upper limit people flow of the people flow interval is, the lower the object identification level corresponding to the people flow interval is;
for each security inspection port, controlling an X-ray security inspection machine corresponding to the security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection port;
if no contraband exists in the collected X-ray image, judging whether the object identification level corresponding to the X-ray security inspection machine is the highest object identification level;
if not, judging whether an article with similarity or confidence coefficient larger than a set threshold value exists in the X-ray image;
and if yes, controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification level.
2. The method of claim 1, wherein the obtaining the traffic of people corresponding to each security check port comprises:
for each security inspection port, determining the people flow corresponding to the security inspection port according to the number of people detected by a security inspection port camera corresponding to the security inspection port within a set time length; or (b)
And aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
3. The method of claim 1, wherein if there is an item in the X-ray image that has a similarity or confidence with contraband greater than a set threshold, the method further comprises:
and controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of the package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package.
4. The method of claim 3, wherein if the X-ray image is rechecked, determining that contraband is present in the X-ray image, the method further comprising:
and sending the first image of the package and/or the second image of the target person carrying the package to a monitoring system, so that the monitoring system tracks the package and/or the target person carrying the package.
5. A security inspection device, the device comprising:
the acquisition module is used for acquiring the people flow corresponding to each security inspection port;
the determining module is used for determining a target article identification level corresponding to each security inspection port according to the people flow corresponding to the security inspection port and the article identification level corresponding to each preset people flow interval, wherein each preset people flow interval is not overlapped, and the article identification level corresponding to the higher the upper limit people flow of the people flow interval is, the lower the upper limit people flow of the people flow interval is;
the detection module is used for controlling an X-ray security inspection machine corresponding to each security inspection port, and detecting whether contraband exists in the collected X-ray image by adopting the target object identification grade corresponding to the security inspection port;
the first judging module is used for judging whether the object article identification level corresponding to the X-ray security inspection machine is the highest article identification level or not if no contraband exists in the collected X-ray image, and triggering the second judging module if the object article identification level is the highest article identification level;
the second judging module is used for judging whether articles with similarity or confidence coefficient larger than a set threshold value exist in the X-ray image, and if so, triggering the rechecking module;
and the rechecking module is used for controlling the X-ray security inspection machine to recheck whether the contraband exists in the X-ray image by adopting the highest article identification grade.
6. The device of claim 5, wherein the acquiring module is specifically configured to determine, for each security inspection port, a traffic of people corresponding to the security inspection port according to a number of people detected by a security inspection port camera corresponding to the security inspection port within a set period of time; or aiming at each security inspection port, determining the people flow corresponding to the security inspection port according to the quantity of packages detected by the X-ray security inspection machine corresponding to the security inspection port within a set time length.
7. The apparatus of claim 5, wherein the apparatus further comprises:
and the information acquisition module is used for controlling an information acquisition camera corresponding to the X-ray security inspection machine to acquire a first image of a package corresponding to the X-ray image and/or acquire a second image of a target person carrying the package if the similarity or confidence coefficient of the X-ray image with the contraband is greater than a set threshold value.
8. The apparatus of claim 7, wherein the apparatus further comprises:
and the tracking module is used for determining that contraband exists in the X-ray image if the X-ray image is rechecked, and sending the first image of the package and/or the second image of the target person carrying the package to the monitoring system so that the monitoring system tracks the package and/or the target person carrying the package.
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| CN111337989A (en) * | 2020-03-20 | 2020-06-26 | 安徽启新明智科技有限公司 | Active double-visual-angle screening method and device for multistage security inspection instrument |
| CN113759433B (en) * | 2021-08-12 | 2024-02-27 | 浙江啄云智能科技有限公司 | Prohibited article screening method and device and security inspection equipment |
| CN113721299B (en) * | 2021-08-31 | 2023-01-10 | 成都智元汇信息技术股份有限公司 | Subway security inspection mode configuration management method |
| CN113963521A (en) * | 2021-11-12 | 2022-01-21 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Method and device for alarming integration of articles in safety check forbidden band |
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