CN115294712A - Intrusion early warning method, early warning management system, electronic device and storage medium - Google Patents
Intrusion early warning method, early warning management system, electronic device and storage medium Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/19623—Arrangements allowing camera linear motion, e.g. camera moving along a rail cable or track
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
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Abstract
The invention provides an intrusion early warning method, an early warning management system, electronic equipment and a computer readable storage medium. The intrusion early warning method comprises the following steps: identifying whether a target object enters an early warning defense area or not according to the radar monitoring information; the early warning defense area is an area in a preset range outside a no-entry area; when the radar monitoring information identifies that at least one target object enters the early warning prevention area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning prevention area; and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
Description
Technical Field
The present invention relates to the field of intrusion monitoring, and in particular, to an intrusion warning method, an intrusion warning management system, an electronic device, and a computer-readable storage medium.
Background
With the gradual increase of railway station construction and the great increase of station passenger flow, the event that passengers cross a rail at the end part of a platform to invade a station track or cross from the outside of the rail to enter the end part of the platform occurs sometimes, and great influence is caused on the driving safety. In recent years, the management system for the successive departure of each bureau requires that passengers entering areas at two ends of the platform in violation need to be dissuaded from daily management work of each railway station to ensure normal station operation.
However, whether manual inspection or equipment protection exists, the practical application in the field has great limitation. The manual inspection has the problems that the inspection efficiency is low, the intrusion condition of the end part of the platform cannot be paid attention to in real time, and after the intrusion is found, the alarm condition is transmitted slowly, so that the processing cannot be carried out in time, and the loss of lives and properties is easily caused; the equipment protection realizes an intrusion alarm function by drawing a defense area in a designated area at the end part of the platform, and aims to reduce false alarms caused by passengers getting off normally and entering the early warning defense area, the alarm defense area is usually arranged behind a train stop board, the distance from the train stop board to the end part of the platform is usually not more than 8 meters, if a malicious intrusion event is encountered, the time for intruders to rapidly pass through the defense area is not more than two seconds, the alarm event is not enough to be processed by station workers, the radar detector is greatly influenced by the platform environment, large barriers such as a canopy stand column and the like can block radar detection, and the alarm area and the alarm processing time are further compressed.
Disclosure of Invention
The invention provides an intrusion early warning method, an early warning management system, electronic equipment and a computer readable storage medium.
In a first aspect, the present invention provides an intrusion warning method, including:
identifying whether a target object enters an early warning defense area or not according to the radar monitoring information; the early warning defense area is an area in a preset range outside a no-entry area;
when the radar monitoring information identifies that at least one target object enters the early warning defense area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning defense area;
and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
In some embodiments, the pre-warning condition approaching the forbidden zone includes that a number of video frames of the target object entering the pre-warning defense zone exceeds an intrusion pre-warning threshold and the target object is moving towards the forbidden zone within a predetermined time period; the judging whether each target object meets the early warning condition of approaching the no-entry area according to the monitoring video of the early warning defense area comprises the following steps:
determining the number of video frames and the movement trend information of each target object entering the early warning defense area according to the monitoring video of the early warning defense area;
and judging whether a target object moves towards the forbidden area or not according to the movement trend information of each target object.
Further, the determining the movement trend information of each target object according to the monitoring video of the early warning defense area includes:
determining the position of each target object in each video frame of the monitoring video;
and arranging the positions of the target objects in the video frames according to the time sequence of the video frames so as to determine the movement trend information of the target objects.
In some embodiments, when it is identified from the radar monitoring information that a plurality of target objects enter the pre-warning defense area, the method further comprises:
setting one-to-one corresponding identification marks for each target object;
and recording the moving trend information of the target object corresponding to the identification mark according to the identification mark.
In some embodiments, the method further comprises:
and acquiring the monitoring video of the early warning defense area once every preset time interval.
Further, the moving trend information includes a contour of the target object, and the determining the position of each target object in each video frame of the monitoring video includes:
matching the contour of the target object according to the monitoring video acquired each time;
if so, recording the current position of the target object;
and if not, newly adding an identification mark, and recording the movement trend information of the target object corresponding to the newly added identification mark.
Further, the method further comprises:
matching the contours of all the target objects which do not leave the early warning defense area according to the acquired monitoring video of the early warning defense area every time;
if the target object is matched with the target object, clearing the number of times of non-occurrence of the target object;
if not, increasing the number of times of non-occurrence of the target object;
and when the number of times of non-occurrence of the target object reaches an early warning cancellation threshold value, determining that the target object leaves the early warning defense area.
In a second aspect, the present invention provides an early warning management system, including:
the radar is used for monitoring a target object entering an early warning defense area and reporting radar monitoring information to the early warning management system, wherein the early warning defense area is an area within a preset range at the periphery of a forbidden area;
the video acquisition equipment is used for acquiring a monitoring video of the early warning defense area;
the early warning management host is used for identifying whether a target object enters an early warning defense area or not according to the radar monitoring information; when the radar monitoring information identifies that at least one target object enters the early warning defense area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning defense area; and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
In a third aspect, the present invention provides an electronic device, comprising:
one or more processors;
a memory having one or more programs stored thereon, which when executed by the one or more processors, cause the one or more processors to implement the intrusion alert method according to any one of the first aspects;
one or more I/O interfaces connected between the processor and the memory and configured to enable information interaction between the processor and the memory.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, implements the intrusion alert method according to any one of the first aspects.
The intrusion early warning method provided by the invention divides a monitored area into a forbidden area and an early warning defense area, analyzes a target object approaching the early warning defense area in real time in a mode of cooperation of radar and video, dynamically early warns the target with an intrusion intention according to the moving trend of the target object, and solves the problems of low early warning accuracy rate of platform end protection and poor real-time warning processing.
Drawings
Fig. 1 is a flowchart of an intrusion warning method according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a no entry zone and a pre-alarm defense zone.
Fig. 3 is a schematic diagram of an early warning management system according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of an electronic device according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no peculiar meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
In the detection and alarm application of illegal intrusion at the end part of a railway platform, the real-time performance of intrusion alarm processing at the end part of the platform is low under the influence of platform environment and normal station service, and the effect of the existing early warning means is poor. The traditional technical means is that an early warning area is arranged in front of an equipment warning area, so that early warning before personnel enter the warning area is realized, the timeliness of warning condition treatment is improved, the early warning area also relates to the problems that false alarms are generated after passengers get off vehicles normally, false alarms are generated when passengers wait for vehicles normally, and the like. Therefore, the problems of slow alarm condition transmission, low processing efficiency and the like existing in the conventional early warning means can be seen, the intrusion event can be basically only used for backtracking afterwards, the real-time processing effect is poor, and the risk and loss caused by illegal crossing of the end part of the platform can not be effectively avoided.
Aiming at the problems, the invention provides a dynamic intrusion early warning method based on target analysis, which is characterized in that a preset range is defined outside a forbidden region to serve as an early warning defense region, the movement trend of a target object is pre-judged and analyzed through the cooperation of radar and video, when the target object meets the early warning condition of approaching the forbidden region, the target object is judged to have the intention of invading the defense region, and intrusion early warning is generated, so that the automatic early warning of an intrusion event is realized, and the real-time performance and the accuracy of the early warning are improved.
In a first aspect, an embodiment of the present invention provides an intrusion early warning method, as shown in fig. 1, where the intrusion early warning method includes the following steps:
in step S100, whether a target object enters an early warning defense area or not is identified according to the radar monitoring information; the early warning defense area is an area in a preset range outside a no-entry area;
in step S200, when the radar monitoring information identifies that at least one target object enters the early warning defense area, determining whether each target object meets an early warning condition approaching the no-entry area according to a monitoring video of the early warning defense area;
in step S300, when the target object satisfying the early warning condition exists, sending early warning information of intrusion of the target object.
It should be noted that the range of the early warning defense area can be set according to the effective detection range of the radar detector; in order to avoid too many false alarms caused by too large monitoring range, the early warning defense area can be set in a reasonable range according to the target object aimed by the intrusion early warning method. For example, in a railway station, the end of the platform is used as a forbidden entering area, because the target object is an intruder who wants to enter the end of the platform from outside the station, a reasonable range can be set as an early warning defense area according to the moving speed of a general person, so that the situation that the intruder cannot early warn in time because the intruder runs for a short time quickly is avoided, or even if the intrusion early warning is sent out, a worker cannot stop the intruder from entering the end of the platform in time. For example, in a park where entry of a foreign vehicle is prohibited, since the target object is a vehicle, a warning defense area larger than the end of the platform is to be set, and a reasonable range can be set as the warning defense area according to the moving speed of the vehicle. For another example, in an application scenario in which a wild animal is prevented from entering a pasture, the target object is the wild animal, and therefore a reasonable range is set as an early warning area for the moving speed of the wild animal.
It should be noted that, aiming at different applicable scenes, the intrusion early warning method provided by the invention can be used for intrusion early warning at the end of the platform of the railway station and can also be used in other areas needing intrusion early warning. Therefore, the objects monitored by the intrusion early warning method not only aim at personnel entering the early warning defense area, but also can comprise other target objects entering the early warning defense area, such as vehicles, animals and the like.
The invention can be applied to a plurality of scenes, which are not listed. In order to facilitate the description of the intrusion warning method of the present invention, the following embodiments mainly use a scene of a station platform as an example for explanation. The specific embodiments are merely illustrative of the invention and do not limit the invention.
And continuously monitoring the early warning defense area by adopting a radar. An identification rule can be set for the radar, and if a target object exceeding a preset size is identified, radar monitoring information is reported to the early warning management system. And further identifying and confirming the target object identified by the radar through the monitoring video, and if people appear in the early warning defense area, analyzing and judging whether each target has the intention of approaching the forbidden area according to the monitoring video. For example, whether the moving direction of the target is towards the forbidden zone or not, whether the target stays in the early warning zone for too long or not, whether the moving direction of the target is not towards the forbidden zone in the front direction but gradually approaches the forbidden zone or not, and whether the target only crosses or obliquely passes through the early warning zone and does not turn to the forbidden zone or not can be judged from the moving track of the target.
And presetting early warning conditions approaching the forbidden area according to the possible invasion mode of the target object, and when the movement trend of the target object meets the early warning conditions, determining that the target object has the tendency of invading the forbidden area and sending early warning information of the invasion of the target object.
After receiving the early warning information, the working personnel can take corresponding treatment measures to the intrusion event. Corresponding measures, such as audio or video prompts to the intruder area, can also be automatically implemented by the warning management system to persuade intruders. The detailed description of the specific measures is omitted here.
By defining a large-scale early warning defense area outside the forbidden area, the situation that early warning cannot be timely performed or even early warning is not timely performed due to the fact that the target object moves fast is avoided. Through the automatic analysis of the monitoring video, the moving intention of the target object is judged, the condition that the target object normally enters an early warning defense area is eliminated, and the problem that normal alarming is omitted due to the fact that too many workers are misjudged and are tired is avoided.
Specifically, the early warning condition approaching the forbidden zone includes that the number of video frames of the target object entering the early warning zone exceeds an intrusion early warning threshold value within a preset time period and the target object is moving towards the forbidden zone; step S200 can be broken down into the following steps:
determining the number of video frames and moving trend information of each target object entering the early warning defense area according to the monitoring video of the early warning defense area;
and judging whether a target object moves towards the forbidden zone or not according to the movement trend information of each target object.
And analyzing the monitoring video frame by frame, or intercepting the video frames in the monitoring video according to a preset rule for analysis, and analyzing a plurality of collected video frames to obtain the movement trend information of the target object.
Optionally, the movement tendency information may include at least one of the following information:
the moving direction of the target object, the stay time of the target object in the early warning defense area, the moving speed of the target object, the distance from the target object to the forbidden zone, the moving track of the target object, the contour of the target object and the size of the target object.
And judging whether the target object meets the intention of approaching the forbidden region or not through comprehensive analysis in the moving trend information of the target object. In this embodiment, the number of video frames of the target object entering the early warning defense area within a predetermined time period may exceed an intrusion early warning threshold, and the general direction of the movement of the target object is a no-entry area, which is taken as an early warning condition for approaching the no-entry area. And when the target object meets the early warning condition, sending early warning information of the target object intrusion. When the intrusion early warning method is applied to other scenes, other judgment conditions can be added into the early warning conditions according to the specific application scene.
Further, the determining the movement trend information of each target object according to the monitoring video of the early warning defense area includes:
determining the position of each target object in each video frame of the monitoring video;
and arranging the positions of the target objects in the video frames according to the time sequence of the video frames so as to determine the movement trend information of the target objects.
In this embodiment, a plurality of collected video frames are analyzed to determine the position of the target object, and the positions are arranged according to a time sequence, so that information such as the moving direction, the moving speed, the stay time in the early warning defense area and the like of the target object is obtained, and the moving trend of the target object is further judged.
It should be noted that a plurality of target objects may enter the early warning defense area, and therefore, the moving trend of each target object needs to be determined respectively, and whether the early warning condition is met needs to be determined respectively.
Therefore, for the case that a plurality of target objects enter the early warning zone, in some embodiments, when it is identified from the radar monitoring information that a plurality of target objects enter the early warning zone, the method further includes:
setting one-to-one corresponding identification marks for each target object;
and recording the moving trend information of the target object corresponding to the identification mark according to the identification mark.
Different identification Identifiers (ID) are set for different target objects, so that the moving trend information can be conveniently recorded for each target object in the early warning management system, and whether the early warning condition is met or not can be respectively judged. And whether each target object leaves the early warning defense area or not and whether the condition of early warning removal is met or not is conveniently and respectively judged.
In some embodiments, the intrusion alert method further comprises:
and acquiring the monitoring video of the early warning defense area once every preset time interval.
Further, the moving trend information includes a contour of the target object, and the determining the position of each target object in each video frame of the monitoring video includes:
matching the contour of the target object according to the obtained monitoring video every time;
if the matching is carried out, recording the current position of the target object;
and if not, newly adding an identification mark, and recording the movement trend information of the target object corresponding to the newly added identification mark.
And recording the outline of the identified target object in the movement trend information of the corresponding target object, and distinguishing different target objects through the identification ID of the target object.
And in each acquired monitoring video, matching the contour of the identified target object with the recorded contour of the target object. If the matching result is obtained, the result shows that the target object is the target object which is recorded previously, and the position information of the target object is updated; if the new identification ID is not matched with the identification ID, the new identification ID is required to be added, and the moving trend information is recorded for the new target object.
In the long-term use process of the early warning management system, the recorded target object information can be gradually increased, a large amount of storage space is occupied, and the efficiency of carrying out contour matching every time is influenced. Therefore, the mark of departure or non-departure can be set for the target object in the movement tendency information, and only the target object which is not departed is subjected to contour matching each time traversal matching is performed.
And recording the times of non-occurrence in the moving trend information of the target object, and marking the target object which does not appear in the monitoring video for a plurality of times as the target object which leaves the early warning defense area. Then, further, the intrusion alert method further includes:
matching the contours of all the target objects which do not leave the early warning defense area according to the acquired monitoring video of the early warning defense area every time;
if the target object is matched with the target object, clearing the number of times of non-occurrence of the target object;
if not, increasing the number of times of non-occurrence of the target object;
and when the number of times of non-occurrence of the target object reaches an early warning cancellation threshold value, determining that the target object leaves the early warning defense area.
According to the requirement of the early warning management system, for the target object which leaves the early warning defense area, the identification ID and the moving trend information corresponding to the target object can be deleted immediately or periodically to release the storage space; the data can also be transferred to an external storage unit to be used as a history record, so that the subsequent tracing is facilitated. The subsequent processing manner is not particularly limited in the embodiment of the present invention.
According to the embodiment of the invention, the early warning defense area with a larger range is defined outside the forbidden area, so that the condition that the early warning cannot be timely carried out or cannot be processed in time even if the early warning is carried out due to the rapid movement of the target object is avoided. Through the automatic analysis of the monitoring video, the moving intention of the target object is judged, the condition that the target object normally enters the early warning defense area is eliminated, and the condition that effective early warning is submerged by a large number of false alarms to cause omission of the effective early warning is avoided.
The following describes a specific application of the intrusion warning method according to the first aspect of the present invention to the platform end of a railway station with reference to 2 embodiments.
Example 1
The method is characterized in that a radar monitoring device is arranged at the end part of the station platform, and by utilizing an existing camera of the station platform, whether a target has the intention of invading the end part area of the station platform or not is judged and a dynamic early warning prompt is generated through the cooperative work of the radar monitoring device and the camera.
First, the platform end is used as a forbidden area, and the range of the early warning area is set by a radar detector installed at the platform end, as shown in fig. 2. And after the radar detector identifies that a target enters the early warning defense area, uploading the identified target to a comprehensive management system of the station through event information.
And after receiving the event uploaded by the radar detector, the comprehensive management system mobilizes cameras around the early warning defense area to snapshot targets in the area and capture the targets in the early warning defense area.
After receiving the instruction of the comprehensive management system, the camera collects monitoring videos in the early warning defense area, identifies personnel in the early warning defense area, and gives identification IDs to the personnel. If more than one person exists in the early warning area, all the persons are simultaneously captured and given different identification IDs respectively. Meanwhile, a real-time monitoring video collected by the mobilized camera is obtained in a background of the integrated management system, frame-by-frame detection is carried out, video frames containing target personnel are stored in a register, the target is counted, and when the frame number of the video frames reaches a preset intrusion early warning threshold value and is judged to face the end part of the platform according to the moving track of the target, intrusion early warning information is generated.
And after receiving the early warning information, the working personnel takes corresponding treatment measures for the intrusion event.
Example 2
The identification mode of the target person can be realized by the contour of the target person, the contour of the target person in the monitoring video is stored in a background register, a timing matching mechanism is set, and the contour of the target person is matched in the monitoring video regularly.
When the contour of the target person is identified again by the monitoring video, if the contour of the target person is found to be the first appearance of the contour data which is not stored in the register, the contour data is stored in the contour data of the register. And if the stored contour of the target person is found not to be matched with the corresponding target in the subsequent matching, matching again, and if the matching maximum time threshold is exceeded, determining that the target leaves the early warning area.
To avoid the problem that the more target person information is stored in the register, the matching efficiency is influenced. The target person may be set with a "left" or "not left" flag. When the monitored video is matched regularly, only target persons with 'not-leaving' marks are traversed, and the target persons with 'leaving' can be deleted from a register or transferred to a historical database.
In a second aspect, the present invention provides an early warning management system, as shown in fig. 3, the early warning management system includes:
the radar 401 is used for monitoring a target object entering an early warning defense area and reporting radar monitoring information to the early warning management system, wherein the early warning defense area is an area within a preset range at the periphery of a forbidden area;
the video acquisition equipment 402 is used for acquiring a monitoring video of the early warning defense area;
the early warning management host 403 is configured to identify whether a target object enters an early warning defense area according to the radar monitoring information; when the radar monitoring information identifies that at least one target object enters the early warning defense area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning defense area; and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
In a third aspect, an embodiment of the present invention provides an electronic device, as shown in fig. 4, including:
one or more processors 501;
a memory 502 on which one or more programs are stored, which when executed by the one or more processors, cause the one or more processors to implement the intrusion alert method according to any one of the first aspects above;
one or more I/O interfaces 503 coupled between the processor and the memory and configured to enable information interaction between the processor and the memory.
The processor 501 is a device with data processing capability, and includes but is not limited to a Central Processing Unit (CPU) and the like; memory 502 is a device having data storage capabilities including, but not limited to, random access memory (RAM, more specifically SDRAM, DDR, etc.), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), FLASH memory (FLASH); an I/O interface (read/write interface) 503 is connected between the processor 501 and the memory 502, and can realize information interaction between the processor 501 and the memory 502, which includes but is not limited to a data Bus (Bus) and the like.
In some embodiments, the processor 501, memory 502, and I/O interface 503 are interconnected by a bus 504, which in turn connects with other components of the computing device.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, as shown in fig. 5, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the intrusion warning method according to any one of the first aspect is implemented.
One of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modification, equivalent replacement, and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.
Claims (10)
1. An intrusion alert method comprising:
identifying whether a target object enters an early warning defense area or not according to the radar monitoring information; the early warning defense area is an area within a preset range at the periphery of a no-entry area;
when the radar monitoring information identifies that at least one target object enters the early warning defense area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning defense area;
and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
2. The intrusion alert method according to claim 1, wherein the alert condition approaching the forbidden zone includes that a number of video frames of the target object entering the alert defense zone exceeds an intrusion alert threshold within a predetermined time period, and the target object is moving towards the forbidden zone; the judging whether each target object meets the early warning condition approaching the forbidden zone according to the monitoring video of the early warning defense zone comprises the following steps:
determining the number of video frames and moving trend information of each target object entering the early warning defense area according to the monitoring video of the early warning defense area;
and judging whether a target object moves towards the forbidden area or not according to the movement trend information of each target object.
3. The intrusion alert method according to claim 2, wherein the determining the movement tendency information of each target object according to the monitoring video of the alert zone comprises:
determining the position of each target object in each video frame of the monitoring video;
and arranging the positions of the target objects in the video frames according to the time sequence of the video frames so as to determine the movement trend information of the target objects.
4. The intrusion alert method according to claim 1, wherein when it is recognized that a plurality of target objects enter the alert prevention area according to the radar monitoring information, the method further comprises:
setting one-to-one corresponding identification marks for each target object;
and recording the moving trend information of the target object corresponding to the identification mark according to the identification mark.
5. The intrusion alert method according to any one of claims 2 to 4, wherein the method further comprises:
and acquiring the monitoring video of the early warning defense area once at preset time intervals.
6. The intrusion alert method according to claim 5, wherein the moving tendency information includes a profile of the target object, the intrusion alert method further comprising:
matching the contour of the target object according to the monitoring video acquired each time;
if the matching is carried out, recording the current position of the target object;
and if not, newly adding an identification mark, and recording the movement trend information of the target object corresponding to the newly added identification mark.
7. The intrusion alert method according to claim 6, wherein the method further comprises:
matching the contours of all the target objects which do not leave the early warning defense area according to the acquired monitoring video of the early warning defense area every time;
if so, resetting the number of times of non-occurrence of the target object;
if not, increasing the number of times of non-occurrence of the target object;
and when the number of times of non-occurrence of the target object reaches an early warning cancellation threshold value, determining that the target object leaves the early warning defense area.
8. An early warning management system, the early warning management system comprising:
the radar is used for monitoring a target object entering an early warning defense area and reporting the monitoring information of the radar to the early warning management system, wherein the early warning defense area is an area within a preset range at the periphery of a forbidden area;
the video acquisition equipment is used for acquiring a monitoring video of the early warning defense area;
the early warning management host is used for identifying whether a target object enters an early warning defense area or not according to the radar monitoring information; when the radar monitoring information identifies that at least one target object enters the early warning prevention area, judging whether each target object meets the early warning condition of approaching the forbidden area or not according to the monitoring video of the early warning prevention area; and when the target object meeting the early warning condition exists, sending early warning information of the target object intrusion.
9. An electronic device, the electronic device comprising:
one or more processors;
a memory having one or more programs stored thereon that, when executed by the one or more processors, cause the one or more processors to implement the intrusion alert method of any one of claims 1 to 7;
one or more I/O interfaces connected between the processor and the memory and configured to enable information interaction between the processor and the memory.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the intrusion alert method according to any one of claims 1 to 7.
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