Target area monitoring method and device and storage medium

Abstract

The invention provides a target area monitoring method and device and a storage medium. The target area monitoring method comprises the steps that the staying duration of each object in a target area is monitored, and the target area comprises an isolation moving line and areas of preset ranges on the two sides of the isolation moving line; when it is monitored that the staying duration of a target object in the objects exceeds a preset time threshold value, monitoring the laser receiving condition of a target receiver in the set target area; and determining whether a target event occurs in the target area according to the laser receiving condition. Through the target area monitoring method, the behavior which can bring about the potential safety hazard can be found in time, namely, the occurrence of the target event is determined, and the efficiency and timeliness of finding the behavior which can bring about the potential safety hazard are improved.

Description

Technical Field

[0001] The present application relates to the field of smart security inspection technology, and in particular to a target area monitoring method, device, and storage medium. Background Art

[0002] In modern society, in order to ensure public safety, controlled areas are usually set up in airports, subway stations, government agencies, large event venues, and some important facilities (such as power stations, communication centers, etc.). Strict access management and security inspection mechanisms are implemented to prevent unauthorized people and objects from entering.

[0003] Controlled and uncontrolled areas are usually isolated by building fences. However, due to the height restrictions of the fences, there are some loopholes in the control of people and items in the controlled areas: items may be passed from the uncontrolled area to the controlled area, allowing the items to enter the area without passing security checks, or people may directly climb over the fence to enter the controlled area. These behaviors will pose serious safety hazards. To prevent such loopholes, on-duty personnel are usually arranged to patrol, but human resources are limited and the controlled area is large. On-duty personnel are very likely to fail to detect behaviors that pose safety hazards in a timely manner. Therefore, there is a problem in the efficiency and timeliness of detecting behaviors that pose safety hazards in the related art. Summary of the Invention

[0004] To solve the above technical problems, the present application proposes a target area monitoring method, device, equipment and storage medium.

[0005] To solve the above technical problems, this application proposes a target area monitoring method, which includes: Monitor the length of time each subject spends in the target area, where the target area includes the isolated moving line and areas within a preset range on both sides of the isolated moving line; When it is detected that the target object among the various objects stays for a period exceeding a preset time threshold, monitoring the laser reception condition of the target receiver in the target area; Determine whether a target event occurs in the target area based on the laser reception situation, wherein the target event at least includes the target object transferring the target item from one side of the isolation line to the other side of the isolation line, and / or the target object climbing over from one side of the isolation line to the other side of the isolation line.

[0006] Among them, determining whether a target event occurs in the target area based on the laser reception situation includes: When the laser reception condition indicates that there is an interruption in the target receiver receiving the laser, it is determined that a target event occurs in the target area.

[0007] In the method, the determination of whether the target event occurs in the target area according to the laser receiving condition further comprises: In the case that the laser receiving condition indicates that the target receiver receives the laser with interruption, the opening and closing states of each gate in the target area are acquired; The target event in the target area is determined according to the opening and closing states.

[0008] In the method, the determination of whether the target event occurs in the target area according to the opening and closing states comprises: In the case that the opening and closing states indicate that all the gates in the target area are in the closed state, it is determined that the target event occurs in the target area; In the case that the opening and closing states indicate that at least one gate in the target area is in the open state, it is determined whether the first quantity matches the second quantity; in the case that the first quantity matches the second quantity, it is determined that the target event does not occur in the target area, wherein the first quantity is the number of gates in the open state in the target area, and the second quantity is the number of objects currently in the target area.

[0009] In the method, the target area monitoring method further comprises: In the case that the opening and closing states indicate that at least one gate in the target area is in the open state, and the first quantity does not match the second quantity, the position overlap degree of the target object and other objects in the target area is determined; In the case that the position overlap degree is greater than or equal to a preset overlap threshold, it is determined that the target event occurs in the target area.

[0010] In the method, the target area monitoring method further comprises: In the case that the loitering duration of the target object in the plurality of objects exceeds a preset time threshold, the target identity information of the target object is acquired; The target identity information is matched with the identity information recorded in a database, wherein the database is used to record the identity information of at least part of the objects triggering the target event; In the case that the target identity information is matched successfully, the target object is captured in the images captured by the plurality of shooting devices to determine the real-time position of the target object; In the case that the target object leaves the target area and the target event does not occur, the target object is stopped from being captured in the images.

[0011] In the method, the target area monitoring method further comprises: In the case that the target event is that the target object transfers the target article from one side of the isolation dynamic line to the other side of the isolation dynamic line, the target article and the first object are captured in the images captured by the plurality of shooting devices to determine the real-time positions of the target article and the first object, wherein the first object is the object receiving the target article, and the plurality of shooting devices are located in the target area or the neighborhood of the target area. In a case where the target object crosses from one side of the isolation line to the other side of the isolation line, the target object is captured in images captured by the plurality of shooting devices to determine a real-time position of the target object.

[0012] The target region monitoring method further includes: In a case where the target event is that the target object passes the target article from one side of the isolation line to the other side of the isolation line, the characteristic information of the target article is acquired; The category of the target article is determined according to the characteristic information; In a case where the category of the target article belongs to a preset category, the prompt information is generated.

[0013] To solve the above technical problems, the application further provides a target region monitoring device, which comprises: The first monitoring module is configured to monitor the loitering duration of each object in the target region, wherein the target region comprises the isolation line and a region in a preset range on both sides of the isolation line; The second monitoring module is configured to monitor the laser receiving condition of the target receiver arranged in the target region in a case where the loitering duration of the target object among the objects exceeds the preset time threshold; The determining module is configured to determine whether a target event occurs in the target region according to the laser receiving condition, wherein the target event at least includes that the target object passes a target article from one side of the isolation line to the other side of the isolation line, and / or the target object crosses from one side of the isolation line to the other side of the isolation line.

[0014] To solve the above technical problems, the application further provides a target region monitoring device, which comprises a memory and a processor coupled with the memory; the memory is configured to store a computer program, and the processor is configured to execute the computer program to implement the target region monitoring method as described above.

[0015] To solve the above technical problems, the application further provides a computer storage medium, which is configured to store a computer program, and the computer program is configured to implement the target region monitoring method as described above when executed by a computer.

[0016] Compared with the prior art, the beneficial effects of the present application are: by monitoring the loitering time of each object in the target area, the object with a longer loitering time may have potential security risks, the interference on normal flowing objects is reduced, the laser receiving condition of the target receiver is monitored when there is an object with a longer loitering time, i.e. a target object, the automation degree of monitoring is improved, by analyzing the laser receiving condition, it can be judged whether a target event occurs, the target event includes that the target object transfers an article from one side of the isolation dynamic line to the other side or jumps over the isolation dynamic line, by monitoring the loitering time of each object in the target area and combining the laser receiving condition, the potential security risk behavior, i.e. the target event, can be efficiently and timely identified, and the efficiency and timeliness of discovering the behavior that may cause security risks are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them: Figure 1 is a flow diagram of an embodiment of the target area monitoring method provided by the present application; Figure 2 is a schematic diagram of an isolation dynamic line in an embodiment provided by the present application; Figure 3 is a schematic diagram of a target area in an embodiment provided by the present application; Figure 4 is a schematic diagram of an isolation dynamic line and a gate in an embodiment provided by the present application; Figure 5 is a schematic diagram of a target object quantity in an embodiment provided by the present application; Figure 6 is another schematic diagram of a target object quantity in an embodiment provided by the present application; Figure 7 is a structural schematic diagram of an embodiment of the target area monitoring device provided by the present application; Figure 8 is a structural schematic diagram of an embodiment of the target area monitoring device provided by the present application; Figure 9 is a structural schematic diagram of an embodiment of the computer storage medium provided by the present application. DETAILED DESCRIPTION

[0018] With reference to the drawings and briefly describing the technical schemes in the embodiments of the present application, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] The terms "first", "second", "third", "fourth" and the like (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or a chronological sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in other than the order illustrated or described herein. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to the process, method, product or device.

[0020] Please refer to Figure 1 , Figure 1 is a flowchart of an embodiment of the target area monitoring method provided by the present application.

[0021] The target area monitoring method of the present application can be applied to a target area monitoring device. The target area monitoring device of the present application can be a server, a terminal device, or a system comprising a server and a terminal device. Accordingly, each part of the target area monitoring device, such as each unit, sub-unit, module, and sub-module, can be provided in the server, the terminal device, or both.

[0022] Further, the server can be hardware or software. When the server is hardware, it can be implemented as a distributed server cluster comprising multiple servers, or as a single server. When the server is software, it can be implemented as multiple software or software modules, such as software or software modules for providing a distributed server, or as a single software or software module, without specific limitation.

[0023] As shown in Figure 1 , the target area monitoring method provided by the present application comprises the following specific steps: Step S11: monitoring the loitering time of each object in the target area, wherein the target area comprises an isolation line and a region with a predetermined range on both sides of the isolation line.

[0024] In the embodiment of the present application, the isolated moving line is used to isolate the moving line of the controlled area from the uncontrolled area. Figure 2 , Figure 2 This is a schematic diagram of an isolated moving line in an embodiment provided in this application, such as Figure 2 As shown, the inner area (rectangular area) surrounded by multiple isolated traffic lines is the controlled area, and the other areas are uncontrolled areas.

[0025] Controlled areas can be public places such as subway stations, airports, and train stations, or other areas that require control. For example, in subway stations, isolated traffic lines are set up to isolate the boarding area from the outside area. Passengers need to pass the security check set between the isolated traffic lines to enter the boarding area and then take the subway. Figure 2 Since the controlled area is large, security inspection equipment will only be installed on a small section of the isolated moving line at the entrance. Passengers can enter the area from the isolated moving line without security inspection equipment (such as Figure 2 Passing items that have not been inspected to the boarding area from the middle line segment AB (i.e. the isolated traffic line without security equipment), or directly climbing over the railings at the isolated traffic line and entering the boarding area without going through security checks or buying tickets, leads to uncivilized behavior that may pose a safety hazard.

[0026] In order to promptly identify the above-mentioned uncivilized behaviors that may cause safety hazards, monitoring is carried out near the isolation line where the above-mentioned behaviors may occur. The area including the isolation line and the preset range on both sides of the isolation line is determined as the target area. The objects that appear in the target area and the duration of each appearance in the target area are monitored. Figure 3 , Figure 3 is a schematic diagram of a target area in an embodiment provided in this application, Figure 3 The middle line segment BC is the isolated moving line, that is, the isolated moving line BC is the isolated moving line where the above-mentioned behaviors may occur, and one side of the isolated moving line is the controlled area ( Figure 3 The area corresponding to area 3 and area 4 in the middle), the other side of the isolated moving line is the non-controlled area ( Figure 3 The preset range is all areas on both sides of the isolated moving line and whose distance from the isolated moving line does not exceed the preset distance ( Figure 3 corresponding to regions 2 and 3 in the .

[0027] The preset distance is set according to the actual situation. For example, the preset distance can be set to 50 cm to monitor the stay time of each object within a range of 50 cm on both sides of the isolated moving line (ie, the target area).

[0028] It should be noted that the object in the embodiments of the present application can refer to a person, for example, in a subway station, a railway station, an airport or the like, the object is a person, or the object can be an animal or other specific object, for example, in a breeding farm or the like, the object is an animal, which can monitor whether the animal escapes from the controlled area of the breeding farm.

[0029] Step S12: In the case where the loitering duration of the target object in each object is monitored to exceed the preset time threshold, the laser receiving condition of the target receiver arranged in the target area is monitored.

[0030] In the embodiments of the present application, by monitoring the loitering duration of each object in the target area, the object whose loitering duration does not exceed the preset time threshold is determined as a normal flow object, and the object whose loitering duration exceeds the preset time threshold is a target object. When the target object (the object whose loitering duration exceeds the preset time threshold) appears in the target area, it is extremely likely that a target event (i.e., a behavior that will bring a security risk) will occur. At this time, the laser receiving condition of the target receiver arranged in the target area is monitored to identify whether the target event occurs.

[0031] In an optional embodiment, a laser emitter and a target receiver are arranged at two ends of the isolation line respectively, the laser emitter is used to emit laser along the isolation line to the target receiver, and the target receiver is used to receive the laser emitted by the laser emitter. The two ends of the isolation line refer to two end points of the line segment of the isolation line, for example, Figure 3 The B point and the C point in FIG. 1 are two end points of the isolation line Figure 3 The laser emitter is arranged at the B point in FIG. 1, and the target receiver is arranged at the C point in FIG. 1. Figure 3

[0032] Step S13: Determine whether a target event occurs in the target area according to the laser receiving condition, wherein the target event at least includes that the target object transfers the target article from one side of the isolation line to the other side of the isolation line, and / or the target object jumps from one side of the isolation line to the other side of the isolation line.

[0033] In the embodiments of the present application, in the case where there is no obstacle, the target receiver can normally receive the laser emitted by the laser emitter, and when a person passes through the isolation line or transfers something on both sides of the isolation line, the laser emitted by the laser emitter will be blocked, so that the target receiver cannot normally receive the laser. Therefore, according to the receiving condition of the target receiver, it can be judged whether a target event occurs in the target area.

[0034] The target event can include at least one of the following conditions: 1. An object transfers a target article from one side of the isolation line to the other side of the isolation line; ​2. The object passes from one side of the isolation line to the other side of the isolation line. 3. The object passes from one side of the isolation line to the other side of the isolation line, where the passing action can refer to all behaviors that do not enter or exit the controlled area from the normal channel (such as a gate, etc.) in the isolation line.

[0035] After determining that a target event occurs in the target area, the target event can be reported to the staff or to the server, and whether there is a danger is determined by the staff or the server and the next step of monitoring is performed. For example, the staff can determine whether it is a false alarm according to the monitoring after receiving the target event. If it is a false alarm, it can be ignored. If it is not a false alarm, the on-site staff is notified to perform the next step of processing.

[0036] The embodiments provided in the present application monitor the loitering time of each object in the target area. The object with a longer loitering time may have a potential security risk, and the disturbance to the normal flow object is reduced. When there is an object with a longer loitering time, i.e., a target object, the laser receiving condition of the target receiver is monitored, the automation degree of monitoring is improved, and by analyzing the laser receiving condition, whether a target event occurs can be determined. The target event includes the target object passing an article from one side of the isolation line to the other side or passing the isolation line. By monitoring the loitering time of each object in the target area and combining the laser receiving condition, the potential security risk behavior, i.e., the target event, can be efficiently and timely identified, and the efficiency and timeliness of discovering behaviors that may cause security risks are improved.

[0037] In an optional embodiment, whether a target event occurs is determined by whether the laser received by the target receiver is interrupted when the laser receiving condition is determined. When the target receiver continuously and uninterruptedly receives the laser emitted by the laser emitter, i.e., there is no interruption in the laser received by the target receiver, it is determined that no target event has occurred. The laser receiving condition is continuously monitored until it is determined that a target event occurs or the target object disappears in the target area. When the laser receiving condition indicates that there is an interruption in the laser received by the target receiver, it is determined that a target event occurs in the target area. When the target object passes an article between the two sides of the isolation line or passes the isolation line, the body or the article blocks the laser beam, and the target receiver cannot receive the laser beam. Therefore, the interruption of the laser receiving can be used as a direct signal of the occurrence of a target event. The monitoring based on the laser technology has sensitivity and real-time performance, and can effectively improve the efficiency and timeliness of discovering security risk behaviors.

[0038] In actual application, please refer to Figure 4 , Figure 4 is a schematic diagram of the isolation line and the gate in an embodiment provided in the present application, as shown in Figure 4As shown, the line segment BC is the isolation line, and the isolation line of the target area is provided with a gate to make the normal flow objects leave or enter the controlled area isolated by the isolation line. When the normal flow objects pass through the gate to enter or leave the controlled area, the gate is opened, and the normal flow objects pass through. However, at this time, the body of the normal flow objects will block the laser beam, so that the target receiver cannot receive the laser beam, and the interruption of the laser receiving can be used as a direct signal of the occurrence of the target event. When the normal flow objects pass through, it is determined that the target event occurs, that is, a certain misjudgment occurs when the target event is determined, so that the workload of the subsequent staff is increased and the monitoring difficulty is increased.

[0039] In order to solve the above problems, another optional embodiment is provided. If the target area is provided with a gate, when it is determined whether the target event occurs in the target area according to the laser receiving condition, the opening and closing states of the gates provided in the target area are combined to determine whether the target event occurs in the target area, that is, the laser receiving condition is used as a pre-judgment condition. In the case that the laser receiving of the target receiver is interrupted, it is indicated that the target event may occur or the normal flow objects pass through the gate. Therefore, the opening and closing states of all the gates in the target area are combined, and then the opening and closing states of each gate are further used to determine whether the target object occurs the target event.

[0040] Specifically, when it is necessary to further determine whether the target object occurs the target event according to the opening and closing states of each gate, it is first determined whether there is a gate in the target area in the open state. If there is no gate in the target area in the open state, that is, the opening and closing state indicates that each gate in the target area is in the closed state. At this time, it is indicated that no normal flow objects pass through the gate in the target area. In this case, the laser receiving of the target receiver is interrupted, and it is determined that the target event occurs in the target area. In the case that the opening and closing state indicates that each gate in the target area is in the closed state, it is determined that the target event occurs in the target area.

[0041] In addition, if there is a gate in the target area in the open state, the following several situations may exist: situation one, the target object stays in the target area for a long time due to some reasons (for example, the two-dimensional code is wrong and cannot be quickly brushed to open the gate, etc.), but the target object still normally leaves or enters the controlled area after staying for a long time, that is, the target object is still a normal flow object, but is mistakenly determined as a target object due to the long staying time; situation two, the target object takes advantage of the situation to pass articles or cross the isolation line on the other side of the isolation line while the normal flow objects pass through the gate; situation three, the normal flow objects pass through the gate, but at this time, the target object only stays in the target area and does not make a potential security risk behavior.

[0042] In the above three cases, only case two is a target event occurs, and case one and case three are no target event occurs, in order to cause a false judgment of the target event in the case that the target receiver receives the laser interruption and the gate is in the open state, it is necessary to distinguish the above three cases to determine whether the target event occurs.

[0043] Specifically, in the case that the target receiver receives the laser interruption and the gate is in the open state, the number of gates in the open state in the target area, i.e. the first number, is obtained, and the number of all objects currently located in the target area, i.e. the second number (both the number of normal flowing objects and the number of target objects), is obtained, if the first number and the second number match, i.e. the number of gates in the open state in the target area is equal to the number of all objects currently located in the target area, Figure 5 is a target object quantity diagram provided in an embodiment of the present application, please refer to Figure 5 , the line segment BC is an isolation dynamic line, it is assumed Figure 5 that two gates are in the open state at this time, and the number of all objects in the target area is also 2, the first number and the second number match, which indicates that there is only a target object in the target area without other normal flowing personnel, which belongs to the above-mentioned case one of multiple cases, at this time it is indicated that the target object is normally leaving or entering the controlled area, and no potential security risk behavior is made, at this time it can be determined that no target event occurs in the target area. That is, in the case that the open and closed states indicate that there is at least one gate in the open state in the target area, it is determined whether the first number matches the second number; in the case that the first number matches the second number, it is determined that no target event occurs in the target area.

[0044] On the contrary, if the first number and the second number do not match, it is indicated that the number of objects in the target area is greater than the number of gates in the open state in the target area (without considering the abnormal state of the gate), at this time, there are not only normal flowing objects, but also target objects that may cause a target event to occur, cases two and three may occur, which are further distinguished by the following embodiments: When the target object delivers the target object to another object, there is a certain overlap between the positions of the two objects, therefore, when the first number and the second number do not match (please refer to Figure 6 , the line segment BC is an isolation dynamic line, Figure 6 is another target object quantity diagram provided in an embodiment of the present application, it is assumed Figure 6In a case where the first quantity and the second quantity do not match, the position overlap degree of the target object and other objects in the target area is determined, and in a case where the position overlap degree is greater than or equal to a preset overlap threshold, it is determined that the target event occurs in the target area, that is, in a case where the open-close state indicates that at least one gate in the target area is in an open state and the first quantity and the second quantity do not match, the position overlap degree of the target object and other objects in the target area is determined; and in a case where the position overlap degree is greater than or equal to the preset overlap threshold, it is determined that the target event occurs in the target area.

[0045] Since the target object needs to follow the normally flowing object when passing through the gate, there is a certain overlap between the two objects, and therefore the above-mentioned position overlap degree determination method can also identify the case where the target object follows the normally flowing object through the gate, further improving the efficiency of discovering behaviors that may cause safety hazards.

[0046] In addition, in a case where the first quantity and the second quantity do not match, there may also be a case where the target object jumps over the isolation dynamic line, but at this time there is no position overlap between the objects, and this case can be identified by the following embodiment: obtaining a target image including the target object photographed in a time period (target time period) in which the target receiver interrupts the reception of laser light, performing pose estimation on the target object in the target image to obtain a pose estimation result; in a case where the pose estimation result indicates that the target object has a jumping behavior or an object transfer behavior, it is determined that the target event occurs in the target area, otherwise, it is determined that the target event does not occur temporarily.

[0047] In an optional embodiment, in a case where the first quantity and the second quantity do not match, a target image including the target object photographed in the target time period is obtained, and the arms and bodies of the target object and objects within a preset distance threshold are detected in the target image. When transferring an object, the hand of a person will usually stretch out, and at this time the angle of the arm and the body will be larger, so whether the target event occurs is determined according to the angle of the arm and the body, and in a case where the angle of the arm and the body of at least one object is greater than a preset angle threshold, it is determined that the target event occurs in the target area.

[0048] Specifically, the angle of the arm and the body is determined by the following method: detecting the arm and body positions of an object, outputting an arm detection box and a body detection box, extracting at least two first key points in the arm detection box, extracting at least two second key points in the body detection box, determining a first straight line where the at least two first key points are located, determining a second straight line where the at least two second key points are located, and determining the angle of the arm and the body according to the angle of the first straight line and the second straight line.

[0049] Further, the target area monitoring method provided by the application further comprises: in a case where the loitering duration of the target object in the target area exceeds the preset time threshold, obtaining target identity information of the target object; matching the target identity information with identity information recorded in a library, wherein the library is used to record identity information of at least part of objects triggering the target event; in a case where the target identity information is matched successfully, capturing the target object in images captured by the plurality of shooting devices to determine a real-time position of the target object; and in a case where the target object leaves the target area and no target event occurs, stopping capturing the target object in the images.

[0050] In the embodiment, the library records at least part of objects triggering the target event in the target area. For example, when it is determined that the target event occurs in the target area, identity information of the target object is obtained, and the identity information of the target object is added to the library, so that all objects triggering the target event in the target area are recorded in the library. For another example, when it is determined that the target event occurs in the target area, the number of times that the target object triggers the target event is obtained, and when the number of times is greater than a preset number threshold, the identity information of the target object is added to the library, so that only part of objects triggering the target event in the target area are recorded in the library.

[0051] The object whose loitering duration exceeds the preset time threshold is a suspicious object. When it is monitored that the loitering duration of the target object in the target area exceeds the preset time threshold, the target identity information of the target object is matched with each identity information recorded in the library. When the target identity information is matched successfully, i.e., the target identity information is recorded in the library, the target object is a suspicious object that needs to be focused on. Therefore, the real-time position of the target object is tracked, specifically by capturing the target object in images captured by the plurality of shooting devices to determine the real-time position of the target object, so as to track the real-time position of the target object.

[0052] In the real-time position tracking process, if no target event occurs and the target object leaves the target area, the tracking of the real-time position of the target object is stopped, i.e., the target object is stopped being captured in the images. If a target event occurs or the target object has not left the target area, the tracking of the real-time position of the target object needs to be continued even if the target object leaves the target area, i.e., the target object is continuously captured in images captured by the plurality of shooting devices to determine the real-time position of the target object.

[0053] Further, the target area monitoring method provided in the application further includes: in the case that the target event is that the target object passes the target object from one side of the isolation moving line to the other side of the isolation moving line, capturing the target object and the first object in the images captured by the plurality of shooting devices to determine the real-time positions of the target object and the first object, wherein the first object is the object receiving the target object, and the plurality of shooting devices are located in the target area or the neighborhood of the target area. In the case that the target object crosses from one side of the isolation moving line to the other side of the isolation moving line, the target object is captured in the images captured by the plurality of shooting devices to determine the real-time position of the target object.

[0054] In the embodiment, if a target event occurs in the target area, the object causing the target event or the object causing the target event is tracked through the linkage of the plurality of shooting devices. In the case that the target event is the passing of the target object, in order to ensure safety, the target object and the object receiving the target object (i.e., the first object) are mainly tracked, i.e., the target object and the first object are captured in the images captured by the plurality of shooting devices to determine the real-time positions of the target object and the first object; in the case that the target event is the crossing of the target object, the target object needs to be tracked, i.e., the target object is captured in the images captured by the plurality of shooting devices to determine the real-time position of the target object.

[0055] Further, the target area monitoring method provided in the application further includes: in the case that the target event is that the target object passes the target object from one side of the isolation moving line to the other side of the isolation moving line, capturing the target object and the first object in the images captured by the plurality of shooting devices to determine the real-time positions of the target object and the first object, wherein the first object is the object receiving the target object, and the plurality of shooting devices are located in the target area or the neighborhood of the target area.

[0056] In the embodiment, in the case that the target event is the passing of the target object, the passed target object can be identified, whether the passed target object is a dangerous object or an object with dangerous elements can be identified, the characteristic information of the target object can be extracted (the characteristic information can be extracted through the monitoring image), the category of the target object can be determined according to the characteristic information, and in the case that the category is a preset dangerous category, a prompt information can be generated to remind the staff or other objects of the danger, for example, in the case that the target object passed by the target object is an explosive, a prompt information is generated.

[0057] It should be noted that the prompt information can be sent to the staff in any form, such as an alarm sound or a vibration on the intercom of the staff.

[0058] In another embodiment, after the characteristic information of the target object is obtained, the characteristic information can be compared with the characteristic information of all dangerous objects, whether the target object is dangerous can be determined according to the comparison result, and in the case that the target object is dangerous, a prompt information is generated.

[0059] Those skilled in the art can understand that, in the above method of the specific embodiment, the writing order of each step does not mean a strict execution order and does not constitute any limitation on the implementation process. The specific execution order of each step should be determined by its function and possible internal logic.

[0060] To achieve the above target area monitoring method, the application further provides a target area monitoring device, please refer to Figure 7 , Figure 7 is a structural schematic diagram of an embodiment of the target area monitoring device provided by the application.

[0061] The target area monitoring device 700 of the embodiment includes a first monitoring module 71 configured to monitor the loitering duration of each object in a target area, wherein the target area includes an isolation line and a region with a preset range on both sides of the isolation line. A second monitoring module 72 is configured to monitor the laser receiving condition of a target receiver arranged in the target area when the loitering duration of a target object among the objects exceeds a preset time threshold. A determination module 73 is configured to determine whether a target event occurs in the target area according to the laser receiving condition, wherein the target event at least includes the target object transferring a target article from one side of the isolation line to the other side of the isolation line, and / or the target object jumping over from one side of the isolation line to the other side of the isolation line.

[0062] Optionally, the determination module determines whether the target event occurs in the target area according to the laser receiving condition in the following manner: in the case that the laser receiving condition indicates that there is an interruption in the laser receiving of the target receiver, it is determined that the target event occurs in the target area.

[0063] Optionally, the determination module determines whether the target event occurs in the target area according to the laser receiving condition in the following manner, which further includes: in the case that the laser receiving condition indicates that there is an interruption in the laser receiving of the target receiver, acquiring the opening and closing states of each gate in the target area; and determining whether the target event occurs in the target area according to the opening and closing states.

[0064] Optionally, the determination module determines whether the target event occurs in the target area according to the opening and closing states in the following manner: in the case that the opening and closing states indicate that all the gates in the target area are in the closed state, it is determined that the target event occurs in the target area; in the case that the opening and closing states indicate that at least one gate in the target area is in the open state, it is determined whether the first number matches the second number; and in the case that the first number matches the second number, it is determined that the target event does not occur in the target area, wherein the first number is the number of gates in the open state in the target area, and the second number is the number of objects currently located in the target area.

[0065] Optionally, the determination module is further configured to: determine a position overlap degree of the target object and other objects in the target region, when the opening and closing state indicates that there is at least one gate in the target region in an open state, and the first number and the second number do not match; and determine that the target event occurs in the target region, when the position overlap degree is greater than or equal to a preset overlap threshold.

[0066] Optionally, the target region monitoring device further includes: a first acquisition module configured to acquire target identity information of the target object when the loitering duration of the target object is greater than a preset time threshold; a matching module configured to match the target identity information with identity information recorded in a database, wherein the database is configured to record identity information of at least part of objects that have triggered the target event; a first capture module configured to capture the target object in images captured by a plurality of shooting devices to determine a real-time position of the target object when the target identity information is matched successfully; and a stopping module configured to stop capturing the target object in the images when the target object leaves the target region and the target event does not occur.

[0067] Optionally, the target region monitoring device further includes: a second capture module configured to capture the target object and a first object in images captured by a plurality of shooting devices to determine real-time positions of the target object and the first object, when the target event is that the target object transfers the target object from one side of the isolation line to the other side of the isolation line, wherein the first object is an object that receives the target object, and the plurality of shooting devices are located in the target region or a neighborhood of the target region; and a first determination module configured to capture the target object in images captured by a plurality of shooting devices to determine a real-time position of the target object, when the target object jumps from one side of the isolation line to the other side of the isolation line.

[0068] Optionally, the target region monitoring device further includes: a second acquisition module configured to acquire feature information of the target object when the target event is that the target object transfers the target object from one side of the isolation line to the other side of the isolation line; an analogy determination module configured to determine a category of the target object according to the feature information; and a generation module configured to generate a prompt information when the category of the target object belongs to a preset category.

[0069] To implement the above target region monitoring method, the present application further provides a target region monitoring device 800, which is specifically described in the following Figure 8 , Figure 8 is a structural schematic diagram of an embodiment of the target region monitoring device provided by the present application.

[0070] The target region monitoring device 800 of the embodiment includes a processor 81, a memory 82, an input and output device 83, and a bus 84.

[0071] The processor 81, the memory 82 and the input and output device 83 are connected with the bus 84 respectively, the memory 82 stores a computer program, and the processor 81 is used for executing the computer program to realize the target area monitoring method of the above embodiment.

[0072] In the embodiment of the application, the processor 81 can also be referred to as a CPU (Central Processing Unit). The processor 81 can be an integrated circuit chip with a signal processing capability. The processor 81 can also be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The general-purpose processor can be a microprocessor or the processor 81 can also be any conventional processor.

[0073] The application further provides a computer storage medium, please continue to refer to Figure 9 , Figure 9 is a structural schematic diagram of an embodiment of the computer storage medium provided by the application. The computer storage medium 900 stores a computer program 91. The computer program 91 is used to realize the target area monitoring method of the above embodiment when being executed by a computer.

[0074] When the embodiment of the application is realized in the form of a software functional unit and is sold or used as an independent product, it can be stored in a computer readable storage medium. Based on such understanding, the technical solution of the application or the whole or part of the technical solution that makes a contribution to the prior art can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the method of each embodiment of the application. The aforementioned storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0075] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made according to the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. A target area monitoring method, characterized in that: include: Monitoring the length of time each object stays in a target area, wherein the target area includes an isolated moving line and areas within a preset range on both sides of the isolated moving line; When it is detected that the target object among the objects stays for a period exceeding a preset time threshold, monitoring the laser reception condition of the target receiver set in the target area; Determine whether a target event occurs in the target area based on the laser reception situation, wherein the target event at least includes the target object transferring a target item from one side of the isolation line to the other side of the isolation line, and / or the target object climbing over from one side of the isolation line to the other side of the isolation line.

2. The target area monitoring method according to claim 1, characterized in that: Determining whether a target event occurs in the target area according to the laser reception situation includes: When the laser reception condition indicates that there is an interruption in the laser reception by the target receiver, it is determined that the target event occurs in the target area.

3. The target area monitoring method according to claim 1, characterized in that: The determining whether a target event occurs in the target area according to the laser reception situation further includes: When the laser reception condition indicates that the target receiver is interrupted in receiving the laser, obtaining the opening and closing status of each gate in the target area; It is determined whether the target event occurs in the target area according to the opening and closing state.

4. The target area monitoring method according to claim 3, characterized in that: Determining whether a target event occurs in the target area according to the open and closed state includes: When the open / close state indicates that all gates in the target area are in a closed state, determining that the target event occurs in the target area; When the opening and closing state indicates that there is at least one gate in the target area in an open state, determine whether the first number and the second number match; when the first number and the second number match, determine that the target event does not occur in the target area, wherein the first number is the number of gates in the open state currently in the target area, and the second number is the number of objects currently located in the target area.

5. The target area monitoring method according to claim 4, characterized in that: The target area monitoring method further includes: When the open / closed state indicates that at least one gate is in an open state within the target area, and the first number does not match the second number, determining a position overlap between the target object and other objects within the target area; When the position overlap is greater than or equal to a preset overlap threshold, it is determined that the target event occurs in the target area.

6. The target area monitoring method according to claim 1, characterized in that: The target area monitoring method further includes: When it is monitored that the stay time of the target object among the objects exceeds a preset time threshold, obtaining the target identity information of the target object; Matching the target identity information with identity information recorded in a database, wherein the database is used to record identity information of objects that at least partially triggered the target event; If the target identity information is successfully matched, capturing the target object in images captured by multiple shooting devices to determine the real-time location of the target object; When the target object leaves the target area and the target event does not occur, the capturing of the target object in the image is stopped.

7. The target area monitoring method according to claim 1, characterized in that: The target area monitoring method further includes: When the target event is that the target object transfers a target item from one side of the isolated movement line to the other side of the isolated movement line, the target item and a first object are captured in images captured by multiple photographing devices to determine real-time positions of the target item and the first object, wherein the first object is an object that receives the target item, and the multiple photographing devices are located in the target area or in the vicinity of the target area; In a case where the target object crosses from one side of the isolated moving line to the other side of the isolated moving line, the target object is captured in images captured by multiple shooting devices to determine the real-time position of the target object.

8. The target area monitoring method according to claim 1, characterized in that: The target area monitoring method further includes: When the target event is that the target object transfers a target object from one side of the isolated moving line to the other side of the isolated moving line, acquiring feature information of the target object; determining the category of the target object according to the feature information; When the category of the target item belongs to a preset category, prompt information is generated.

9. A target area monitoring device, characterized in that: The target area monitoring device includes a memory and a processor coupled to the memory; The memory is used to store a computer program, and the processor is used to execute the computer program to implement the target area monitoring method according to any one of claims 1 to 8.

10. A computer storage medium, characterized in that The computer storage medium is used to store a computer program, and when the computer program is executed by a computer, it is used to implement the target area monitoring method according to any one of claims 1 to 8.

Images