Security method and device and system applying the same

Abstract

Provided are a security inspection method and a security inspection device. The security inspection method comprises: sequentially scanning a plurality of objects to be scanned by a scanning unit; sequentially entering the plurality of scanned objects into a judgment area to wait for judgment, the judgment area comprising a plurality of judgment positions arranged sequentially in a moving direction of the objects, wherein the last judgment position in the moving direction is a waiting position; dividing each object into a normal object or a suspicious object according to a judgment result; and the normal object passing through the waiting position without stopping and entering a taking area to be taken away; and the suspicious object stopping at the waiting position in the case of moving to the waiting position, until the suspicious object is taken away from the waiting position. The security inspection device comprises a scanning unit, a judgment unit, a plurality of conveying modules, and a control unit. A security inspection system comprising the security inspection device is also provided.

Description

Technical Field

[0001] At least one embodiment of this disclosure relates to a security inspection method, and more particularly to a security inspection method and an apparatus or system for applying the security inspection method. Background Technology

[0002] Security inspection systems are widely used in security checks in civil aviation, rail transit, and other public places. Centralized image interpretation is a security inspection mode that differs from local security inspection. In the centralized image interpretation process, the identification and judgment of items are carried out in a centralized image interpretation room. Items that have passed the image interpretation are transferred to different downstream conveyor channels or circulation channels according to the image interpretation results of "release" or "open for inspection".

[0003] Because multiple channels need to be set up, security inspection devices that use centralized image interpretation generally require a large amount of space. Therefore, security inspection devices that require centralized image interpretation cannot be used in some venues with limited space.

[0004] Based on the above shortcomings, a security inspection method and a device / system for classifying items based on image analysis results are designed under the condition of a single transmission channel. Summary of the Invention

[0005] In view of the existing technical problems, the present invention provides a security inspection method and an apparatus and system for applying the security inspection method, which at least partially solves the above-mentioned technical problems.

[0006] One aspect of this disclosure provides a security inspection method applied to a centralized image analysis security inspection device. The method comprises: multiple items to be scanned sequentially through a scanning unit; the scanned items sequentially entering an image analysis area to await image analysis, the image analysis area including multiple image analysis positions sequentially arranged in the direction of movement of the items, wherein the last image analysis position in the direction of movement is a waiting position; classifying each item as a normal item or a suspicious item based on the image analysis result; and the normal item passing through the waiting position without stopping and entering a retrieval area for removal; if a suspicious item moves to a waiting position, it remains at the waiting position until the suspicious item is removed from the waiting position.

[0007] According to embodiments of this disclosure, the security inspection method further includes: when the suspicious item moves to the waiting position, determining whether there is an empty space in the remaining image detection positions; if there is an empty space, continuing to receive scanned items from the scanning unit; if there is no empty space, stopping receiving scanned items from the scanning unit.

[0008] According to embodiments of this disclosure, the security inspection method further includes: if a suspicious item is located at the waiting position, and if there are suspicious items at other inspection positions, then the suspicious item is removed simultaneously, or the suspicious item located at the waiting position is removed before the method moves and remains at the waiting position.

[0009] According to embodiments of this disclosure, the security inspection method further includes: locating the position of the suspicious item in the judgment map.

[0010] According to embodiments of this disclosure, locating the image position of the suspicious item includes: marking the initial image position where the suspicious item stops; and tracking each image position the suspicious item passes through until the suspicious item stops at the waiting position.

[0011] According to embodiments of this disclosure, locating the location of the suspicious item in the image further includes visualizing the location in the image.

[0012] According to embodiments of this disclosure, the security inspection method further includes establishing a relationship between the article and the controller of the article.

[0013] Another aspect of this disclosure provides a security inspection device, comprising: a scanning unit adapted to scan an item; an image judgment unit electrically connected to the scanning unit, which classifies the item into normal items and suspicious items based on the scanning information of the item; a plurality of conveying modules, which are sequentially arranged downstream of the scanning unit to convey the item scanned by the scanning unit in a movement direction away from the scanning unit, wherein the plurality of conveying modules respectively define a plurality of image judgment positions, wherein the last image judgment position in the movement direction is a waiting position; and a control unit electrically connected to the image judgment unit and the conveying modules respectively, wherein the control unit controls the conveying modules to: move the normal item through the waiting position without stopping and into the retrieval area so that it can be taken away; and when the suspicious item is moved to the waiting position, stay at the waiting position until the suspicious item is taken away from the waiting position.

[0014] According to embodiments of this disclosure, the security inspection device further includes multiple visualization units, which are electrically connected to the control unit and correspond to the transmission module respectively, to identify the transmission module where the suspicious item is located.

[0015] According to an embodiment of this disclosure, the visualization unit includes multiple light strips corresponding to the transmission module, and the working state of each light strip indicates that there is a suspicious item on the transmission module corresponding to that light strip.

[0016] According to embodiments of this disclosure, the security inspection device further includes at least one camera configured to determine whether there are vacant spots in the remaining inspection positions when the suspicious item is in the waiting position.

[0017] According to embodiments of this disclosure, the camera is further configured to determine the location of the suspicious item in the image.

[0018] According to an embodiment of this disclosure, the camera is further configured to identify the initial image location where the suspicious item stops, and to track each image location the suspicious item passes through until the suspicious item stops at the waiting position.

[0019] According to embodiments of this disclosure, the security inspection device further includes an information collection unit disposed before the scanning unit, for recording information of the controller of the item and establishing a correspondence between the controller and the item based on the information.

[0020] According to an embodiment of this disclosure, the information collection unit includes a barcode scanner for collecting information codes containing information about the controller and information about the item.

[0021] According to embodiments of this disclosure, the control unit includes a programmable logic controller for outputting control signals to the transmission module.

[0022] This disclosure also provides a security inspection system, including a security inspection device; a bag unloading platform disposed upstream of the security inspection device; and a bag retrieval platform disposed downstream of the security inspection device.

[0023] According to embodiments of this disclosure, the security inspection system further includes an inspection platform located outside the bag retrieval platform.

[0024] This invention discloses a security inspection method that classifies each item passing through a scanning unit into normal or suspicious items based on the image analysis results. Normal items pass through the image analysis area to be retrieved, while suspicious items are conveyed to a waiting position for further processing. Without adding conveyor channels or functional areas, the method adjusts the working state of the image analysis position to achieve differentiated processing of different items, thus meeting the needs of security inspection equipment with centralized image analysis capabilities.

[0025] An embodiment of the present invention discloses a security inspection device. The control unit collects the image judgment results output by the image judgment unit and outputs different control signals to the transmission module according to different image judgment results, so that the state of at least a portion of the transmission module can be changed, and is used to transmit items or keep items on the transmission module respectively.

[0026] An embodiment of the present invention discloses a security inspection system that combines the advantages of security inspection methods and security inspection devices, and achieves a relatively compact layout, which is beneficial to meeting the needs of centralized image judgment security inspection mode in a relatively limited space. Attached Figure Description

[0027] Figure 1 This is a flowchart of a security inspection method according to an illustrative embodiment of the present disclosure;

[0028] Figure 2 This is a side view of a security inspection system according to an illustrative embodiment of the present disclosure;

[0029] Figure 3 yes Figure 2 A top view of the security inspection system of the illustrative embodiment shown; and

[0030] Figure 4 This is a top view of a security inspection system according to an illustrative embodiment of the present disclosure.

[0031] Figure Labels

[0032] 1. Visual unit;

[0033] 2. Scanning unit;

[0034] 21. Output side;

[0035] 22. Security screening machine;

[0036] 23. Baffle;

[0037] 24. Input side;

[0038] 3. Central control cabinet;

[0039] 4. Image interpretation area;

[0040] 41. First transmission module;

[0041] 42. Second transmission module;

[0042] 43. Third transmission module;

[0043] 5. Unloading platform;

[0044] 6. Transition platform;

[0045] 7. Inspection platform; and

[0046] 8. Package retrieval platform. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0048] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit this disclosure. The terms “comprising,” “including,” etc., as used herein indicate the presence of the stated features, steps, operations, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, or components.

[0049] All terms used herein, including technical and scientific terms, have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein are to be interpreted in a manner consistent with the context of this specification, and not in an idealized or overly rigid way.

[0050] When using expressions such as "at least one of A, B, and C," the expression should generally be interpreted in accordance with the meaning commonly understood by those skilled in the art. For example, "a system having at least one of A, B, and C" should include, but is not limited to, systems having A alone, having B alone, having C alone, having A and B, having A and C, having B and C, and / or systems having A, B, and C. Similarly, when using expressions such as "at least one of A, B, or C," the expression should generally be interpreted in accordance with the meaning commonly understood by those skilled in the art. For example, "a system having at least one of A, B, or C" should include, but is not limited to, systems having A alone, having B alone, having C alone, having A and B, having A and C, having B and C, and / or systems having A, B, and C.

[0051] Figure 1 This is a flowchart of a security inspection method according to an illustrative embodiment of the present disclosure.

[0052] This disclosure provides a security inspection method applicable to centralized image analysis security inspection equipment, such as... Figure 1 As shown, the process includes: multiple items to be scanned, such as backpacks and suitcases, are sequentially scanned by a scanning unit for radiation inspection, such as X-ray-based inspection; the scanned items sequentially enter an image analysis area to await image analysis; the images of the scanned items are transmitted to a central control room or a host computer for centralized image analysis, i.e., the computer or a human determines whether a scanned item exists in the scanned items based on the scanned images; the image analysis area includes multiple image analysis positions sequentially arranged in the direction of item movement to store multiple scanned items in the image analysis area, wherein the last image analysis position in the direction of movement is a waiting position; each item is classified as a normal item or a suspicious item according to the image analysis results; the normal items pass through the waiting positions without stopping and enter the retrieval area for removal; if a suspicious item moves to a waiting position, it remains in the waiting position until the suspicious item is removed from the waiting position.

[0053] In one exemplary embodiment, the scanning unit includes an X-ray-based imaging device suitable for inspecting targets such as suitcases, packages, and handbags in high-traffic areas like train stations, airports, stadiums, and shopping malls for contraband such as drugs and explosives. The scanning unit mainly includes a support frame, a transmission mechanism, and a drive mechanism. An inspection space suitable for inspecting the target is formed within the support frame, and the inspection space has a first opening communicating with the outside. A shell made of shielding material is provided on the support frame to prevent radiation leakage. The transmission mechanism is adapted to carry the target through the inspection space. An X-ray emitting and receiving device, such as a CT scanner, is mounted on the support frame to perform X-ray scanning inspection of the target transmitted to the inspection space by the transmission mechanism.

[0054] According to the security inspection method of the above embodiments of the present invention, each item passing through the scanning unit is classified into normal items or suspicious items based on the image judgment result. All scanned items are first transported to multiple image judgment positions that can store multiple items, awaiting the image judgment result. Normal items pass through the image judgment area to be retrieved, while suspicious items are transported to the waiting position for further processing. Without adding conveyor channels or functional areas, the working status of the image judgment positions is adjusted to achieve differentiated processing of different items, thereby meeting the needs of security inspection equipment with centralized image judgment function.

[0055] In one illustrative embodiment, a judgment area is provided downstream of the scanning unit, and three judgment positions are set in the judgment area. This allows for the simultaneous judgment of up to three items. It should be understood that the embodiments of this disclosure are not limited thereto.

[0056] For example, the number of image judgment locations may include two, four, five, or other quantities. The specific number can be adaptively designed based on the space available in the specific application scenario. For example, each image judgment area may store one scanned item.

[0057] In one illustrative embodiment, normal items are characterized as items that meet security inspection standards, while suspicious items are characterized as items or other items contained within items that do not meet security inspection standards and should be subject to manual inspection.

[0058] In another illustrative embodiment, normal items are characterized as one type of item, and suspicious items are characterized as another type or several other types of items (items other than normal items).

[0059] In one illustrative embodiment, the waiting position is characterized as the image judgment position furthest from the scanning unit. This way, while a suspicious item remains at an image judgment position farthest from the scanning unit awaiting removal by the operator, other image judgment positions can still transmit other items or wait for image judgment. It should be understood that the embodiments of this disclosure are not limited to this. By setting waiting positions, it can be ensured that suspicious items will attract the operator's attention and will not be conveyed to the next workstation to be taken away by the item's controller (or owner).

[0060] For example, the waiting positions can be set to the last few judgment positions. This way, when multiple suspicious items appear consecutively, each suspicious item can remain at its corresponding judgment position, waiting for the operator to remove it. It should be understood that the embodiments of this disclosure are not limited to this.

[0061] For example, the waiting position can also be set near the scanning unit or any other one or more image judgment positions to hold suspicious items and wait for operators to carry out further processing.

[0062] According to embodiments of this disclosure, the security inspection method further includes: when a suspicious item moves to a waiting position, determining whether there are any vacant spots in the remaining image judgment positions; if there are vacant spots, continuing to receive scanned items from the scanning unit, for example, moving an item upstream of an vacant image judgment position to the vacant image judgment position, thereby allowing the reception of more scanned items; if there are no vacant spots, stopping the reception of scanned items from the scanning unit and waiting for the item to be taken away or enter the next processing station.

[0063] According to embodiments of this disclosure, the security inspection method further includes, if a suspicious item is located at a waiting position, and if a suspicious item is present at any of the other inspection positions, then the suspicious item is either removed simultaneously or the suspicious item at the waiting position is removed before the inspection method moves and remains at the waiting position.

[0064] According to embodiments of this disclosure, the security inspection method further includes: locating the image position of the suspicious item. For example, displaying the image position number or issuing a voice warning.

[0065] According to embodiments of this disclosure, locating the image processing position of a suspicious item includes: marking the initial image processing position where the suspicious item stops; and tracking each image processing position the suspicious item passes through until the suspicious item stops at the waiting position. This allows operators to detect and track suspicious items before they stop at the waiting position, reducing the time required to remove them and facilitating more continuous and faster security checks of other items.

[0066] In one illustrative embodiment, the identification and tracking of suspicious items is public. Public means that other personnel in the security checkpoint, besides the operators, are also aware of the presence of suspicious items. For example, an alarm may be triggered via audio or video.

[0067] In another illustrative embodiment, the identification and tracking of suspicious items is non-public, meaning that no one else in the security checkpoint, except for authorized personnel, is aware of the presence of suspicious items. For example, information containing information about suspicious items may be sent to the operator's mobile phone or terminal.

[0068] According to embodiments of this disclosure, locating the image position of a suspicious item also includes visualizing the image position.

[0069] In one illustrative embodiment, visualization processing is characterized by intuitively notifying the operator of the location of the suspicious item in the image.

[0070] In detail, visualization processing includes, but is not limited to, expressing the location of suspicious items in the image through audio, video, and vibration.

[0071] According to embodiments of this disclosure, the relationship between the article and its controller is also included.

[0072] In one illustrative embodiment, the relationship between the item and its controller is established before the item passes through the scanning unit.

[0073] Specifically, the items and their controllers may include the owner or temporary custodian of the items, and the controller may be one or more persons. Specifically, the information that can be retrieved from the controller includes, but is not limited to, name, telephone number, identification information, and boarding pass information code.

[0074] Figure 2 This is a side view of a security inspection device according to an illustrative embodiment of the present disclosure; Figure 3 yes Figure 2 A top view of a security inspection device according to an illustrative embodiment.

[0075] Embodiments of this disclosure provide a security inspection device, such as... Figure 2 and Figure 3As shown, the system includes: a scanning unit 2, an image interpretation unit, multiple transmission modules, and a control unit. The scanning unit scans items, for example, by performing an X-ray-based radiation scan and generating scanned images. The image interpretation unit is electrically connected to the scanning unit 2 and classifies items into normal and suspicious items based on the scanned information. Specifically, the scanned images of the items are transmitted to the image interpretation unit located in a central control room or on a host computer for centralized image interpretation; that is, based on the scanned images, the computer or a human determines whether a scanned item exists within the scanned item.

[0076] Furthermore, multiple conveying modules, such as multiple belt conveyors, are sequentially arranged downstream of the scanning unit 2 to convey items passing through the scanning unit 2 in a direction away from the scanning unit 2. The multiple conveying modules define multiple image judgment positions, wherein the last image judgment position in the direction of movement is a waiting position. The control unit is electrically connected to the image judgment unit and the conveying modules respectively. The control unit controls the conveying modules to: pass normal items through the waiting positions without stopping and enter the retrieval area so that they can be taken away; and when a suspicious item is moved to the waiting position, it stays at the waiting position until the suspicious item is taken away from the waiting position.

[0077] According to the security inspection device of the above embodiments of the present invention, each item passing through the scanning unit is classified into normal items or suspicious items based on the image judgment result. All scanned items are first transported to multiple image judgment positions (transfer modules) that can store multiple items, awaiting the image judgment result. Normal items pass through the image judgment area to be retrieved, while suspicious items are transported to the waiting position for further processing. Without adding transfer channels or functional areas, the device achieves differentiated processing of different items by adjusting the working state of the image judgment positions, thus meeting the needs of security inspection equipment with centralized image judgment function.

[0078] In one illustrative embodiment, vertically oriented baffles 23 are installed on both sides of the input side 24 and / or output side 21 of the scanning unit 2. These baffles prevent items from falling when entering or leaving the scanning unit 2 and guide them along the conveying direction of the items.

[0079] In one illustrative embodiment, the security inspection device further includes a central control cabinet 3 for housing at least some components of the scanning unit 2, the image interpretation unit, and the control unit, as well as wiring, switches, and other electrical components required to connect the components.

[0080] In one illustrative embodiment, the scanning unit 2 includes, but is not limited to, the security scanner 22. It should be understood that the embodiments disclosed herein are not limited thereto.

[0081] For example, the scanning unit 2 may be any other device that irradiates an object and acquires radiation signals or images.

[0082] In one illustrative embodiment, the number of transmission modules is three, and the three transmission modules are arranged in a row in sequence.

[0083] In detail, the image processing area 4 includes a first transmission module 41, a second transmission module 42, and a third transmission module 43. It should be understood that the embodiments of this disclosure are not limited thereto.

[0084] For example, multiple transmission modules are arranged in a corner configuration.

[0085] For example, the number of transmission modules may be two, four, five, or other quantities.

[0086] In detail, the specific configuration and / or quantity of the transmission modules should be designed in accordance with the specific application scenario.

[0087] In one illustrative embodiment, the conveying module includes a belt conveyor equipped with an RFID antenna for communication and indicator lights for displaying operating status. In an alternative embodiment, the conveying module includes a plurality of rollers arranged side-by-side.

[0088] In one illustrative embodiment, the image judgment unit is located in an image judgment chamber away from the scanning unit 2, and the image judgment unit and the scanning unit 2 can communicate remotely. Remote communication can employ wired, wireless, radio frequency, or any other device or component suitable for signal transmission.

[0089] In another illustrative embodiment, the image judgment unit is disposed on the scanning unit 2. This allows for both local security checks and centralized image judgment security checks.

[0090] According to embodiments of this disclosure, the security inspection device further includes a visualization unit 1 electrically connected to the control unit. The visualization unit is electrically connected to the control unit and corresponds to the transmission module respectively, so as to identify the transmission module where the suspicious item is located.

[0091] According to embodiments of this disclosure, the visualization unit 1 includes, but is not limited to, multiple light strips corresponding to the transmission module, and the working status of each light strip indicates that there are suspicious items on the transmission module corresponding to that light strip.

[0092] Furthermore, the visualization is illustrative and should not be understood as visually representing the location information of the delivery modules. For example, visualization unit 1 can use audio broadcasting; when an item is located in a certain delivery module, the corresponding delivery module number will be played via audio.

[0093] In one illustrative embodiment, a light strip spans multiple conveyor modules. The light strip includes, but is not limited to, an array of LED light groups, at least a portion of which can be illuminated. This ensures that when an item is on a conveyor module, a portion of the light strip at that location is illuminated. When the item moves to the next conveyor module, the portion of the light group at the previous location is turned off, and the light group at the corresponding location on the new conveyor module is illuminated. It should be understood that the embodiments of this disclosure are not limited thereto.

[0094] For example, the light strip can use different colors to represent different transport modules. Specifically, red indicates that the item is located on the first transport module, green indicates that the item is located on the second transport module, and blue indicates that the item is located on the third transport module.

[0095] According to embodiments of the present disclosure, the security inspection device includes at least one camera, which is configured to determine whether there are vacancies in the remaining inspection positions when a suspicious item is in a waiting position.

[0096] According to embodiments of this disclosure, the camera is further configured to determine the location of a suspicious item in a decision image.

[0097] According to embodiments of this disclosure, the camera is further configured to identify the initial image location where the suspicious item stops and to track each image location the suspicious item passes through until the suspicious item stops at the waiting location.

[0098] In one illustrative embodiment, the visualization unit 1 may employ a light strip and / or a camera.

[0099] According to embodiments of this disclosure, the security inspection device further includes an information collection unit disposed before the scanning component 2, for recording information of the controller of the item and establishing a correspondence between the controller and the item based on the information.

[0100] According to embodiments of this disclosure, the information collection unit includes a barcode scanner for collecting information codes containing information about the controller and the item.

[0101] In one illustrative embodiment, an operator scans a passenger's boarding pass using a barcode scanner to establish a relationship between the passenger, the boarding pass, and the passenger's luggage.

[0102] According to embodiments of this disclosure, the control module includes, but is not limited to, a programmable logic controller (PLC) for outputting control signals to the tape machine.

[0103] In one illustrative embodiment, a programmable logic controller (PLC) is electrically connected to the control terminal of the conveyor belt motor to program and control the motor's starting, stopping, speed, and other operating states.

[0104] In detail, the motors include, but are not limited to, servo motors. Using servo motors facilitates the construction of servo systems, making it easier to control security inspection devices.

[0105] Furthermore, programmable logic controllers (PLCs) can be used for local control of security inspection devices, and PLCs can also be electrically connected to other host computers (such as industrial control computers).

[0106] In one illustrative embodiment, a control panel may also be installed on the security screening device to control various parts of the security screening device at the operational level.

[0107] In one illustrative embodiment, an emergency stop button may also be installed on the security inspection device to enable an emergency shutdown of the security inspection system.

[0108] Furthermore, it is also necessary to configure operating equipment to restore the security inspection device from emergency shutdown to working status.

[0109] Figure 4 This is a top view of a security inspection system according to an illustrative embodiment of the present disclosure.

[0110] This disclosure also provides a security inspection system, such as Figure 4 As shown, the system includes a security inspection device; an unloading platform 5 located upstream of the security inspection device; and a retrieval platform 8 located downstream of the security inspection device. Items to be inspected are placed on the unloading platform, and normally inspected items are retrieved from the retrieval platform.

[0111] In one illustrative embodiment, the bag retrieval platform 8 and / or the unloading platform 5 are configured to be at the same height as the conveying module of the security inspection device to facilitate the transfer of items.

[0112] In one illustrative embodiment, a transition platform 6 is also provided between the security inspection device and the drive platform 8.

[0113] In detail, the transition platform 6 includes, but is not limited to, multiple rotatably mounted guide rollers to facilitate pushing items output by the security inspection device onto the bag retrieval platform 8.

[0114] According to embodiments of this disclosure, the security inspection system also includes an opening platform 7, located elsewhere than the bag retrieval platform 8. Security personnel retrieve suspicious items from the waiting area and open them on the opening platform for further manual inspection.

[0115] In one illustrative embodiment, the inspection platform 7 and the package retrieval platform 8 are integrally configured to form a corner structure. It should be understood that the embodiments of this disclosure are not limited thereto.

[0116] For example, the inspection platform 7 and the package retrieval platform 8 can be set up separately. The specific implementation method should be designed according to the actual use scenario.

[0117] Those skilled in the art will understand that the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

[0118] The embodiments of this disclosure have been described above. However, these embodiments are for illustrative purposes only and are not intended to limit the scope of this disclosure. Although various embodiments have been described above, this does not mean that the measures in the various embodiments cannot be used advantageously in combination. The scope of this disclosure is defined by the appended claims and their equivalents. Various substitutions and modifications can be made by those skilled in the art without departing from the scope of this disclosure, and all such substitutions and modifications should fall within the scope of this disclosure.

Claims

1. A security inspection method, applied to security inspection equipment with centralized image interpretation, characterized in that, The security check method includes: Multiple items to be scanned pass through the scanning unit sequentially for scanning; After scanning, multiple items sequentially enter the image judgment area to await image judgment. The image judgment area includes multiple image judgment positions arranged sequentially in the direction of movement of the items. The image judgment area and the waiting positions are a single conveying channel, and the last image judgment position in the direction of movement is the waiting position. Based on the image analysis results, each item is classified as a normal item or a suspicious item; and Normal items pass through the waiting area without stopping and enter the retrieval area so that they can be taken away; if a suspicious item moves to the waiting area, it remains there until it is taken away from the waiting area. If a suspicious item is located at the waiting position, and there are other suspicious items at other decision positions, then the suspicious item is either removed simultaneously or the process waits until the suspicious item at the waiting position is removed before moving and remaining at the waiting position.

2. The security inspection method according to claim 1, characterized in that, Also includes: If the suspicious item is moved to the waiting position, determine whether there are any empty spaces in the remaining judgment positions. If there is an empty slot, continue receiving scanned items from the scanning unit; If no available slot is available, stop receiving scanned items from the scanning unit.

3. The security inspection method according to claim 1 or 2, characterized in that, Also includes: The location of the suspicious item in the judgment map is determined.

4. The security inspection method according to claim 3, characterized in that, Locating the location of the suspicious item in the judgment map includes: The initial location of the suspicious item in the judgment map is marked; and The suspicious item is tracked at each of the specified map locations until it stops at the waiting location.

5. The security inspection method according to claim 4, wherein locating the location of the suspicious item in the judgment image further includes visualizing the judgment image location.

6. The security inspection method according to claim 1 or 2, characterized in that, It also includes establishing a relationship between the item and the controller of the item.

7. A security inspection device, characterized in that, include: Scanning unit (2) is suitable for scanning items; The image judgment unit is electrically connected to the scanning unit (2) and classifies the item into normal items and suspicious items based on the scanning information of the item; Multiple conveying modules are sequentially arranged downstream of the scanning unit (2) to convey the scanned items that have passed through the scanning unit (2) in a moving direction away from the scanning unit (2). The multiple conveying modules define multiple image judgment positions respectively. The image judgment unit and the waiting position are a single conveying channel. The last image judgment position in the moving direction is the waiting position. as well as The control unit is electrically connected to both the image processing unit and the transmission module, and the control unit controls the transmission module. The normal item is moved without stopping through the waiting area and into the retrieval area so that it can be taken away; and If the suspicious item is moved to the waiting position, it remains in the waiting position until the suspicious item is taken away from the waiting position.

8. The security inspection device according to claim 7, characterized in that, It also includes multiple visualization units (1), which are electrically connected to the control unit and correspond to the transmission module respectively, so as to identify the transmission module where the suspicious item is located.

9. The security inspection device according to claim 8, characterized in that, The visualization unit (1) includes multiple light strips corresponding to the transmission module, and the working status of each light strip indicates that there are suspicious items on the transmission module corresponding to that light strip.

10. The security inspection device according to any one of claims 7 to 9, characterized in that, It also includes at least one camera configured to determine whether there are vacant spots in the remaining image selection positions when the suspicious item is in the waiting position.

11. The security inspection device according to claim 10, characterized in that, The camera is further configured to determine the location of the suspicious item in the image.

12. The security inspection device according to claim 11, characterized in that, The camera is further configured to identify the initial image location where the suspicious item stops, and to track each image location the suspicious item passes through until the suspicious item stops at the waiting position.

13. The security inspection device according to any one of claims 7 to 9, characterized in that, It also includes an information collection unit, which is set before the scanning unit (2) to record the information of the controller of the item and establish the correspondence between the controller and the item based on the information.

14. The security inspection device according to claim 13, characterized in that, The information collection unit includes a barcode scanner, used to collect information codes containing information about the controller and the item.

15. The security inspection device according to any one of claims 7 to 9, characterized in that, The control unit includes a programmable logic controller for outputting control signals to the transmission module.

16. A security inspection system, characterized in that: Includes the security inspection device as described in any one of claims 7 to 9; The unloading platform (5) is located upstream of the security inspection device; and The bag retrieval platform (8) is located downstream of the security inspection device.

17. The security inspection system according to claim 16 further includes an inspection platform (7) located outside the bag retrieval platform (8).

Images