CN111551907A - Defense area planning processing method and device - Google Patents
Defense area planning processing method and device Download PDFInfo
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- G01—MEASURING; TESTING
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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Abstract
The invention provides a defense area planning processing method and a defense area planning processing device, wherein the method comprises the following steps: receiving a target image obtained by detecting a monitoring scene by a radar within a preset time; superposing the target image and the top view of the monitoring scene; correcting the radar in the top view on which the target image is superimposed; and planning the defense area in the plan view according to the corrected defense area monitored by the radar, so that the problems that the drawn defense area has position deviation with an area to be defended in an actual scene due to low calibration precision in the related technology, the planning of a shielding area or an alarm area generates deviation and false alarm or missing alarm are solved, the drawn defense area can be more fit with the area needing shielding or alarm in the actual scene, and further the drawn defense area has lower false alarm rate and missing alarm rate under the same condition.
Description
Technical Field
The invention relates to the technical field of education informatization, in particular to a defense area planning processing method and device.
Background
In the current intrusion detection system based on the millimeter wave radar, the defense area setting operation is as follows:
the first step is as follows: and calibrating, namely guiding the actual monitoring scene top view into the radar upper computer, and adjusting the position and the orientation of a radar identification point in the upper computer to ensure that the position and the orientation of the radar identification point in the interface are consistent with those of the radar in the actual scene.
The second step is that: and drawing a defense area of a specific area on the map.
The third step: confirming the property of a defense area, a shielding area or an alarm area, neglecting the target in the shielding area, and giving an alarm for the target in the alarm area.
In the first calibration, the calibration accuracy is usually not so high, the angles of the position and the orientation of the radar on the map and the real scene always change, meanwhile, the accuracy of the map scale is different from the real scene, and such errors can cause the position deviation between the drawn defense area and the area to be defended in the real scene, so that the planning of the shielding area or the alarm area generates deviation, and finally false alarm or false alarm is generated.
Aiming at the problems that in the related technology, due to the fact that calibration precision is low, the drawn defense area and the area to be defended in the actual scene have position deviation, so that the planning of a shielding area or an alarm area generates deviation, and false alarm or missing alarm is generated, no solution is provided.
Disclosure of Invention
The embodiment of the invention provides a defense area planning processing method and a defense area planning processing device, which are used for at least solving the problems that in the related technology, due to the low calibration precision, the drawn defense area has position deviation with an area to be defended in an actual scene, so that the planning of a shielding area or an alarm area generates deviation and false alarm or false alarm is generated.
According to an embodiment of the present invention, there is provided a method for processing a defense area plan, including:
receiving a target image obtained by detecting a monitoring scene by a radar within a preset time;
superposing the target image and the top view of the monitoring scene;
correcting the radar in the top view overlaying the target image;
and planning the defense areas in the plan view according to the corrected defense areas monitored by the radar.
Optionally, the superimposing the target image and the top view of the monitored scene includes:
and superposing a target point detected by the radar in the target image within the preset time to the top view of the monitoring scene, and displaying the target point.
Optionally, correcting the radar in the top view on which the target image is superimposed comprises:
receiving a correction instruction for correcting the position and/or orientation of the radar;
and according to the correction instruction, the target points detected by the radar are overlapped with the corresponding obstacles in the top view.
Optionally, planning a defense area in the top view according to the corrected defense area monitored by the radar includes:
setting the area where the target point and the coincident point of the corresponding obstacle in the top view are located as a shielding area;
setting the area of the defense area monitored by the radar in the top view except the shielding area as the target defense area of the radar.
Optionally, the setting the area where the target point and the coincidence point of the corresponding obstacle in the top view are located as a shielding area includes:
receiving a drawing instruction for drawing in the top view through interactive operation;
and determining the shielding area according to the drawing instruction.
According to another embodiment of the present invention, there is also provided a defense area planning processing apparatus, including:
the receiving module is used for receiving a target image obtained by detecting a monitoring scene by a radar within preset time;
the superposition module is used for superposing the target image and the top view of the monitoring scene;
a correction module for correcting the radar in the top view on which the target image is superimposed;
and the defense area planning module is used for planning the defense areas in the top view according to the corrected defense areas monitored by the radar.
Optionally, the superposition module is further used for
And superposing a target point detected by the radar in the target image within the preset time to the top view of the monitoring scene, and displaying the target point.
Optionally, the correction module comprises:
the receiving submodule is used for receiving a correction instruction for correcting the position and/or the orientation of the radar;
and the coincidence submodule is used for coinciding the target points detected by the radar with the corresponding obstacles in the top view according to the correction instruction.
Optionally, the defence area planning module includes:
the first setting submodule is used for setting the area where the target point and the coincident point of the corresponding barrier in the top view are located as a shielding area;
and the second setting submodule is used for setting the area of the defense area monitored by the radar in the top view, except the shielding area, as the target defense area of the radar.
Optionally, the first setting area includes:
a receiving unit, configured to receive a drawing instruction for drawing in the top view through an interactive operation;
a determining unit, configured to determine the mask region according to the drawing instruction.
According to a further embodiment of the present invention, a computer-readable storage medium is also provided, in which a computer program is stored, wherein the computer program is configured to perform the steps of any of the above-described method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
According to the invention, a target image obtained by detecting a monitoring scene by a radar in a preset time is received; superposing the target image and the top view of the monitoring scene; correcting the radar in the top view overlaying the target image; according to the corrected defense area monitored by the radar, the defense area planning is carried out in the plan view, the problems that in the related technology, due to the fact that the calibrated precision is low, the drawn defense area and an area needing defense in an actual scene have position deviation, the planning of a shielding area or an alarm area generates deviation, and false alarm or missing alarm is generated can be solved, the radar is more accurately marked on the software of an upper computer, the position and the direction of the radar can reflect the position of the radar in the actual scene more truly, the drawn defense area can be more attached to the area needing shielding or alarm in the actual scene, and further the lower false alarm rate and the lower missing alarm rate are achieved under the same condition.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a block diagram of a hardware configuration of a mobile terminal of a defense area planning processing method according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a defence area plan according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of defence planning processing according to an embodiment of the present invention;
FIG. 4 is a flow chart of a method of defence area planning according to an embodiment of the present invention;
FIG. 5 is a first schematic diagram of a defense area plan built based on an environment, according to an embodiment of the present invention;
FIG. 6 is a second schematic diagram of a defense area plan built based on an environment, according to an embodiment of the present invention;
FIG. 7 is a third schematic diagram of a defense area plan built based on an environment, according to an embodiment of the present invention;
FIG. 8 is a fourth schematic diagram of a defense area plan built based on the environment, according to an embodiment of the present invention;
fig. 9 is a block diagram of a defence area planning processing arrangement according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
The method provided by the first embodiment of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking a mobile terminal as an example, fig. 1 is a hardware structure block diagram of the mobile terminal of the defense area planning processing method according to the embodiment of the present invention, as shown in fig. 1, a mobile terminal 10 may include one or more processors 102 (only one is shown in fig. 1) (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA), and a memory 104 for storing data, and optionally, the mobile terminal may further include a transmission device 106 for a communication function and an input/output device 108. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration, and does not limit the structure of the mobile terminal. For example, the mobile terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used to store a computer program, for example, a software program of application software and a module, such as a computer program corresponding to the message receiving method in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, so as to implement the method described above. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
Fig. 2 is a schematic diagram of a defense area planning according to an embodiment of the present invention, and as shown in fig. 2, an actual scene is detected by a radar, and detected target points (including dynamic points and static points) are uploaded to a radar upper computer to be displayed. The actual scene refers to an object monitored by the radar, and buildings, plants, vehicles and the like existing in the actual scene can be detected by the radar and generate static points. And the scene top view is a picture manually guided into the radar upper computer by a user and can be obtained from map software. The radar upper computer displays a scene top view poured by a user, the detection points uploaded by the radar are overlapped on the scene top view to be displayed, and the user can draw a defense area on the radar upper computer through mouse operation.
In this embodiment, a method for processing a defense area planning operating in the mobile terminal or the network architecture is provided, and fig. 3 is a flowchart of the method for processing the defense area planning according to the embodiment of the present invention, as shown in fig. 3, applied to the radar upper computer, where the process includes the following steps:
step S302, receiving a target image obtained by detecting a monitoring scene by a radar within preset time;
specifically, the actual monitored scene is detected by the radar to obtain an image of the actual monitored scene, i.e. a target image, and the predetermined time may be set in advance, for example, 60 seconds, 90 seconds, and the like.
Step S304, superposing the target image and the top view of the monitoring scene;
specifically, the target image and the top view of the monitored scene are superposed in a manner that the same object in the target image and the top view are superposed.
Further, a target point detected by the radar in the target image within the preset time is superposed on the top view of the monitoring scene, that is, the target point (an obstacle or a static point) collected in the target image is superposed on a corresponding object in the top view and displayed. The upper computer can see the obstacles or other static objects (namely target points) detected by the radar in the preset time, the position and the orientation of the radar in the upper computer are translated according to the position of the target points, and finally the target points are overlapped with the actual obstacles or the actual other static objects.
Step S306, correcting the radar in the top view on which the target image is superposed;
further, the correction is performed manually, specifically, a user changes the position of the target point in the monitoring area by changing the position and/or orientation of the radar, so that the target point coincides with the corresponding object, and correspondingly, a correction instruction for correcting the position and/or orientation of the radar is received; and according to the correction instruction, the target points detected by the radar are overlapped with the corresponding obstacles in the top view.
And step S308, planning the defense area in the top view according to the corrected defense area monitored by the radar.
Through the steps S302 to S308, receiving a target image obtained by detecting a monitored scene by a radar within preset time; superposing the target image and the top view of the monitoring scene; correcting the radar in the top view overlaying the target image; according to the corrected defense area monitored by the radar, the defense area planning is carried out in the plan view, the problems that in the related technology, due to the fact that the calibrated precision is low, the drawn defense area and an area needing defense in an actual scene have position deviation, the planning of a shielding area or an alarm area generates deviation, and false alarm or missing alarm is generated can be solved, the radar is more accurately marked on the software of an upper computer, the position and the direction of the radar can reflect the position of the radar in the actual scene more truly, the drawn defense area can be more attached to the area needing shielding or alarm in the actual scene, and further the lower false alarm rate and the lower missing alarm rate are achieved under the same condition.
In the embodiment of the present invention, after the correction, the user may draw a defense area, a shielding area, and the like in the plan view, so as to improve accuracy of the defense area planning, and correspondingly, the step S308 may specifically include:
s3081, setting the area where the target point and the coincident point of the corresponding barrier in the top view are located as a shielding area, and further receiving a drawing instruction for drawing in the top view through interactive operation; determining the shielding area according to the drawing instruction; specifically, the interactive operation is a related operation performed by the user in the top view, for example, by drawing a target area in the top view, where the target area may be a rectangular or square frame, or may also be a circular or elliptical area, and the target area is determined to be a shielding area.
S3082, setting the area of the defense area monitored by the radar in the top view except the shielding area as a target defense area of the radar.
Fig. 4 is a flowchart of a defense area planning method according to an embodiment of the present invention, as shown in fig. 4, including:
step S401, arranging the radar in an actual monitoring area;
step S402, importing a scene top view into a radar upper computer for display;
step S403, starting a radar, and using an environment construction function in an upper computer;
specifically, after the environment building function is started, the radar detects the monitored area and uploads the static points and the dynamic points to the upper computer, the upper computer displays the detection points in a certain time (such as 60 seconds) in a superposition manner, the upper computer keeps the display in the certain time, and the static points are stopped from being continuously updated. The environment construction function ends.
S404, comparing the radar environment construction result with a scene top view, and adjusting the position and the orientation of the radar which is not in the middle;
and S405, drawing a defense area in the upper computer.
The embodiments of the present invention described above are explained below by specific examples.
And radar monitoring is carried out on two paths around the hotel A, and the radar is selectively installed at a lipstick point of the intersection of the two paths, so that the two paths can be covered conveniently.
Fig. 5 is a first schematic diagram of a defense area planning constructed based on the environment according to the embodiment of the invention, and as shown in fig. 5, a top view of the monitoring area is guided into an upper computer, and the installation position and orientation of the radar are preliminarily set.
Fig. 6 is a schematic diagram of a defense area planning based on environment construction according to an embodiment of the present invention, as shown in fig. 6, a radar is started, and an "environment construction" function is used, after a period of time (for example, 60 seconds), the environment construction is completed, and all points detected by the radar in the period of time can be seen on an upper computer.
As can be seen from fig. 6, the position of the accumulation point may slightly differ from the position of the obstacle of the imported map. This is because the initial setting of the radar position and orientation cannot be made very accurate and therefore a bias is created. At this time, the positional relationship of the accumulation point with respect to the radar is correct, but the position or orientation of the radar on the map is wrong, and therefore the position of the accumulation point with respect to the map is also wrong. And then, the position and the orientation of the radar point are manually adjusted, so that the accumulation point corresponds to the building in the map, and the correctness of the position and the orientation of the accumulation point relative to the map is ensured, namely the correctness of the position and the orientation of the radar on the map is ensured. Fig. 7 is a schematic diagram three of a defense area planning constructed based on an environment according to an embodiment of the present invention, and as shown in fig. 7, the position and orientation of a radar in an upper computer are subjected to translational and rotational corrections according to the position of an overlapping point, and finally, an accumulated point is coincident with an actual obstacle.
Fig. 8 is a fourth schematic diagram of a defense area planning constructed based on an environment according to an embodiment of the present invention, and as shown in fig. 8, a defense area is drawn on a result after calibration, an area where an obstacle is located is set as a shielding area, and after the setting is completed, a radar will not alarm for a false alarm of a red shielding area.
The position of the radar is calibrated more accurately, and a more accurate defense area position is drawn, so that if the position and the orientation of the radar are not calibrated, the drawn defense area is different from an obstacle area in an actual scene, so that the defense area planning is inaccurate, and the situations of misinformation or missing report are caused.
The embodiment of the invention can mark the radar on the upper computer software more accurately, and the position and the orientation of the radar can reflect the position of the radar in an actual scene more truly. Compared with the existing scheme, the drawn defense area can be more fit with the area needing shielding or alarming in the actual scene, and further has lower false alarm rate and lower missing report rate under the same condition.
The two advantages are realized based on the method of the proposal, and the main technical means is that when the radar is arranged in the earlier stage, the detection points in a period of time are all displayed on the upper computer to construct the environment, and the position and the orientation of the radar in the upper computer are secondarily calibrated according to the difference between the construction result and the actual import map, so as to achieve higher precision.
Example 2
According to another embodiment of the present invention, there is also provided a defense area planning processing apparatus, and fig. 9 is a block diagram of the defense area planning processing apparatus according to the embodiment of the present invention, as shown in fig. 9, including:
a receiving module 92, configured to receive a target image obtained by detecting a monitored scene by a radar within a predetermined time;
a superimposing module 94, configured to superimpose the target image and the top view of the monitored scene;
a correction module 96 for correcting the radar in the top view overlaying the target image;
and a defense area planning module 98, configured to plan a defense area in the top view according to the corrected defense area monitored by the radar.
Optionally, the superposition module 94 is further used for
And superposing a target point detected by the radar in the target image within the preset time to the top view of the monitoring scene, and displaying the target point.
Optionally, the correction module 96 comprises:
the receiving submodule is used for receiving a correction instruction for correcting the position and/or the orientation of the radar;
and the coincidence submodule is used for coinciding the target points detected by the radar with the corresponding obstacles in the top view according to the correction instruction.
Optionally, the defence area planning module 98 includes:
the first setting submodule is used for setting the area where the target point and the coincident point of the corresponding barrier in the top view are located as a shielding area;
and the second setting submodule is used for setting the area of the defense area monitored by the radar in the top view, except the shielding area, as the target defense area of the radar.
Optionally, the first setting area includes:
a receiving unit, configured to receive a drawing instruction for drawing in the top view through an interactive operation;
a determining unit, configured to determine the mask region according to the drawing instruction.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Example 3
Embodiments of the present invention also provide a computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to perform the steps of any of the above method embodiments when executed.
Alternatively, in the present embodiment, the storage medium may be configured to store a computer program for executing the steps of:
s1, receiving a target image obtained by detecting a monitoring scene by a radar within preset time;
s2, superposing the target image and the top view of the monitoring scene;
s3, correcting the radar in the top view on which the target image is superimposed;
and S4, planning the defense area in the top view according to the corrected defense area monitored by the radar.
Optionally, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Example 4
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, receiving a target image obtained by detecting a monitoring scene by a radar within preset time;
s2, superposing the target image and the top view of the monitoring scene;
s3, correcting the radar in the top view on which the target image is superimposed;
and S4, planning the defense area in the top view according to the corrected defense area monitored by the radar.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for processing a defence area plan, comprising:
receiving a target image obtained by detecting a monitoring scene by a radar within a preset time;
superposing the target image and the top view of the monitoring scene;
correcting the radar in the top view overlaying the target image;
and planning the defense areas in the plan view according to the corrected defense areas monitored by the radar.
2. The method of claim 1, wherein superimposing the target image with a top view of the monitored scene comprises:
and superposing a target point detected by the radar in the target image within the preset time to the top view of the monitoring scene, and displaying the target point.
3. The method of claim 2, wherein correcting the radar in the top view overlaying the target image comprises:
receiving a correction instruction for correcting the position and/or orientation of the radar;
and according to the correction instruction, the target points detected by the radar are overlapped with the corresponding obstacles in the top view.
4. The method of claim 3, wherein planning a defense area in the overhead view based on the corrected defense area monitored by the radar comprises:
setting the area where the target point and the coincident point of the corresponding obstacle in the top view are located as a shielding area;
setting the area of the defense area monitored by the radar in the top view except the shielding area as the target defense area of the radar.
5. The method of claim 4, wherein the setting the area where the target point coincides with the corresponding obstacle in the top view as a shielding area comprises:
receiving a drawing instruction for drawing in the top view through interactive operation;
and determining the shielding area according to the drawing instruction.
6. A defence area planning processing apparatus, comprising:
the receiving module is used for receiving a target image obtained by detecting a monitoring scene by a radar within preset time;
the superposition module is used for superposing the target image and the top view of the monitoring scene;
a correction module for correcting the radar in the top view on which the target image is superimposed;
and the defense area planning module is used for planning the defense areas in the top view according to the corrected defense areas monitored by the radar.
7. The apparatus of claim 6, wherein the overlay module is further configured to overlay the data stream
And superposing a target point detected by the radar in the target image within the preset time to the top view of the monitoring scene, and displaying the target point.
8. The apparatus of claim 7, wherein the correction module comprises:
the receiving submodule is used for receiving a correction instruction for correcting the position and/or the orientation of the radar;
and the coincidence submodule is used for coinciding the target points detected by the radar with the corresponding obstacles in the top view according to the correction instruction.
9. A computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to carry out the method of any one of claims 1 to 5 when executed.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398740.0A CN111551907B (en) | 2020-05-12 | 2020-05-12 | Defense area planning processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398740.0A CN111551907B (en) | 2020-05-12 | 2020-05-12 | Defense area planning processing method and device |
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| CN111551907B (en) | 2023-06-13 |
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