CN110471056B - False alarm information judgment method and device and terminal equipment - Google Patents
False alarm information judgment method and device and terminal equipment Download PDFInfo
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- CN110471056B CN110471056B CN201910608773.0A CN201910608773A CN110471056B CN 110471056 B CN110471056 B CN 110471056B CN 201910608773 A CN201910608773 A CN 201910608773A CN 110471056 B CN110471056 B CN 110471056B
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S13/867—Combination of radar systems with cameras
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/886—Radar or analogous systems specially adapted for specific applications for alarm systems
Abstract
The application is suitable for the technical field of nuclear power station environment monitoring, and provides a false alarm information judgment method, a false alarm information judgment device and terminal equipment, wherein the method comprises the following steps: receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of a photoelectric imaging device according to coordinate information in the warning information so that the photoelectric imaging device is aligned to a position corresponding to the coordinate information; carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment, and judging whether a target flying object is detected in the visible light image; if the target flying object is not detected in the visible light image, performing second image detection on an infrared image acquired by the photoelectric imaging equipment, and judging whether a moving light spot is detected in the infrared image; and if the infrared image does not detect the moving light spot, judging that the warning information is false alarm information. The problem that false alarm information is difficult to identify in the prior art can be solved.
Description
Technical Field
The application belongs to the technical field of nuclear power station environment monitoring, and particularly relates to a false alarm information judgment method and device and terminal equipment.
Background
Along with the development of science and technology, the popularization degree of small-size flyers such as unmanned aerial vehicle improves, has formed certain security threat to important region such as nuclear power station, and people can maliciously use these small-size flyers to take a candid photograph or carry out the destruction action to important region.
For this case, it is necessary to construct a system for low-altitude protection in these important areas. In the low-altitude protection system, one or more modes are adopted to monitor an airspace and detect whether suspicious flyers exist in the airspace.
However, in the process of detecting a flying object, false alarm information is easily generated due to factors such as accidental errors of a sensor, an alarm is given under the condition that no suspicious flying object exists, a great deal of energy of workers is involved, unnecessary panic is caused, and how to identify the false alarm information becomes a problem which needs to be solved by the technical personnel in the field.
Disclosure of Invention
In view of this, embodiments of the present application provide a method and an apparatus for determining false alarm information, and a terminal device, so as to solve the problem in the prior art that it is difficult to identify false alarm information.
A first aspect of an embodiment of the present application provides a false alarm information determination method, including:
receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of a photoelectric imaging device according to coordinate information in the warning information so that the photoelectric imaging device is aligned to a position corresponding to the coordinate information;
carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment, and judging whether a target flying object is detected in the visible light image;
if the target flying object is not detected in the visible light image, performing second image detection on an infrared image acquired by the photoelectric imaging equipment, and judging whether a moving light spot is detected in the infrared image;
and if the infrared image does not detect the moving light spot, judging that the warning information is false alarm information.
A second aspect of the embodiments of the present application provides a false alarm information determination apparatus, including:
the photoelectric adjusting module is used for receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to coordinate information in the warning information so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information;
the visible light detection module is used for carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment and judging whether a target flying object is detected in the visible light image;
the infrared detection module is used for carrying out second image detection on the infrared image acquired by the photoelectric imaging equipment if the target flying object is not detected in the visible light image, and judging whether a moving light spot is detected in the infrared image;
and the first false alarm module is used for judging that the warning information is false alarm information if no moving light spot is detected in the infrared image.
A third aspect of the embodiments of the present application provides a terminal device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the steps of the method when executing the computer program.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium, in which a computer program is stored, which, when executed by a processor, implements the steps of the method as described above.
Compared with the prior art, the embodiment of the application has the advantages that:
in the false alarm information judging method, the photoelectric imaging equipment and the radar are matched with each other, when the alarm information sent by the radar is received, the azimuth angle and the pitch angle of the photoelectric imaging equipment are adjusted according to the coordinate information in the alarm information, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information, the position is the position where the radar considers that a suspicious flying object exists, then the visible light image collected by the photoelectric imaging equipment is subjected to first image detection, whether a target flying object is detected in the visible light image is judged, if the target flying object is not detected in the visible light image, the infrared image collected by the photoelectric imaging equipment is subjected to second image detection, whether a moving light spot is detected in the infrared image is judged, if no moving light spot exists in the infrared image, the alarm information sent by the radar at this time can be judged as the false alarm information without informing related working personnel, the problem of be difficult to discern false alarm information among the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating an implementation of a false alarm information determination method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a false alarm information determination apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a terminal device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The first embodiment is as follows:
referring to fig. 1, a method for determining false alarm information according to a first embodiment of the present application is described below, where the method for determining false alarm information according to the first embodiment of the present application includes:
s101, receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of a photoelectric imaging device according to coordinate information in the warning information to enable the photoelectric imaging device to align to a position corresponding to the coordinate information;
when the radar detects that the suspicious target flying object exists in the preset area, warning information can be sent to the false alarm information judgment device, and the warning information can contain coordinate information of the target flying object.
And the false alarm information judgment device adjusts the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
Step S102, carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment, and judging whether a target flying object is detected in the visible light image;
the photoelectric imaging device can comprise a visible light camera and an infrared camera which can shoot visible light images and infrared images respectively.
The method comprises the steps of firstly carrying out first image detection on a visible light image acquired by photoelectric imaging equipment, and judging whether a target flying object can be detected in the visible light image.
When the first image is detected, the adopted image detection algorithm can be selected according to actual conditions, in some embodiments, a visual saliency detection algorithm can be optimized, static feature extraction and motion feature extraction can be performed on the image through the visual saliency detection algorithm to obtain a static saliency map and a dynamic saliency map, and the static saliency map and the dynamic saliency map are fused to quickly locate the region of interest in the image, so that whether the target flying object exists in the visible light image or not can be detected.
In some embodiments, in order to increase the speed of image detection, the visible light image may be divided into a plurality of sub-region images, first image detection may be performed on each sub-region image, and whether a target flying object exists in the visible light image is determined.
Step S103, if the target flying object is not detected in the visible light image, performing second image detection on an infrared image acquired by the photoelectric imaging equipment, and judging whether a moving light spot is detected in the infrared image;
and if the target flying object is not detected in the visible light image, performing second image detection on the infrared image acquired by the photoelectric imaging equipment, and judging whether the infrared image has moving light spots.
When the second image is detected, the adopted image detection algorithm can be selected according to the actual situation, in some embodiments, a visual saliency detection algorithm can be optimized, the static feature extraction and the motion feature extraction can be carried out on the image through the visual saliency detection algorithm to obtain a static saliency map and a dynamic saliency map, and the region of interest in the image can be rapidly positioned by fusing the static saliency map and the dynamic saliency map, so that whether the infrared image has the motion light spots or not can be detected.
And step S104, if no moving light spot is detected in the infrared image, judging that the warning information is false alarm information.
If no moving light spot is detected in the infrared image, the warning information sent by the radar at this time is represented as false alarm information, which may be false alarm information caused by equipment factors of the radar or external abnormal sound wave signals and other factors, and the false alarm information is not processed.
Further, after the first image detection is performed on the visible light image collected by the photoelectric imaging device, and whether a target flying object is detected in the visible light image is determined, the method further includes:
a1, if the target flying object is detected in the visible light image, carrying out image recognition on the target flying object to obtain the flying object type of the target flying object;
if the target flying object is detected in the visible light image, the image recognition can be carried out on the target flying object to obtain the flying object type of the target flying object, the specific setting mode of the flying object type can be set according to the actual situation, and in some embodiments, the flying object types such as unmanned aerial vehicles, toy balloons, helicopters, flying birds, airships, hot air balloons and unidentified flying objects can be set.
A2, if the type of the target flying object is safe flying object, judging the warning information is false warning information.
After the type of the flying object of the target flying object is identified, if the type of the flying object of the target flying object is a safe flying object, for example, in some embodiments, two types of the flying object, namely a toy balloon and a flying bird, may be set as safe flying objects, and when the type of the flying object of the target flying object is detected to be the toy balloon or the flying bird, the warning information may be determined to be false warning information.
Further, after the image recognition is performed on the target flying object to obtain the flying object type of the target flying object if the target flying object is detected in the visible light image, the method further includes:
b1, if the flying object type of the target flying object is a dangerous flying object or an unidentified flying object, executing a first preset warning operation.
If the flying object category of the target flying object is a dangerous flying object or an unidentified flying object, for example, in some embodiments, four flying object categories of the unmanned aerial vehicle, the helicopter, the airship and the hot air balloon may be set as dangerous flying objects, and when the target flying object is detected to be the unmanned aerial vehicle, the helicopter, the airship, the hot air balloon or the unidentified flying object, the first preset warning operation may be performed.
The specific content of the first preset warning operation can be set according to actual requirements, and in some embodiments, the first preset warning operation can adopt one or more of warning modes such as buzzer warning, light warning, information pushing, vibration warning and voice broadcasting.
Further, if the target flying object is not detected in the visible light image, performing second image detection on an infrared image acquired by the photoelectric imaging device, and after determining whether a moving spot is detected in the infrared image, the method further includes:
and C1, if the infrared image has the moving light spot, executing a second preset warning operation.
If the moving light spots are detected in the infrared image, the fact that the warning information has a certain probability is not false warning information is shown, at the moment, in order to guarantee the safety of important areas such as the nuclear power station, a second preset warning operation can be executed, and related workers are informed to carry out manual recheck.
The specific content of the second preset warning operation can be set according to actual requirements, and in some embodiments, the second preset warning operation can adopt one or more of warning modes such as buzzer warning, light warning, information pushing, vibration warning and voice broadcasting.
Further, before the determining that the warning information is false alarm information if no moving light spot is detected in the infrared image, the method further includes:
d1, adjusting the azimuth angle and the pitch angle of the electromagnetic detection equipment according to the coordinate information in the warning information, so that the electromagnetic detection equipment is aligned to the position corresponding to the coordinate information;
in this embodiment, the azimuth angle and the pitch angle of the electromagnetic detection device can be adjusted according to the coordinate information in the warning information, so that the electromagnetic detection device aligns to the position corresponding to the coordinate information to perform electromagnetic detection.
Correspondingly, if no moving light spot is detected in the infrared image, the step of determining that the warning information is false alarm information specifically comprises the following steps:
e1, if no moving light spot is detected in the infrared image, acquiring electromagnetic information detected by electromagnetic detection equipment, and judging whether abnormal equipment information exists in the electromagnetic information;
when the moving light spot is not detected in the infrared image, the electromagnetic information detected by the electromagnetic detection equipment can be further acquired, and whether abnormal equipment information exists in the electromagnetic information or not is judged.
E2, if the electromagnetic information contains abnormal equipment information, executing a third preset warning operation;
if abnormal equipment information exists in the electromagnetic information, the fact that suspicious flyers possibly exist in the position corresponding to the coordinate information is shown, at this time, a third preset warning operation can be executed, and relevant workers are informed to verify and process.
The specific content of the third preset warning operation can be set according to actual requirements, and in some embodiments, the third preset warning operation can adopt one or more of warning modes such as buzzer warning, light warning, information pushing, vibration warning, voice broadcasting and the like.
E3, if the electromagnetic information does not contain abnormal equipment information, judging the warning information to be false alarm information.
If the abnormal equipment information does not exist in the electromagnetic information, the suspicious flying objects are not found through the detection of the visible light image, the infrared image and the electromagnetic information, and the warning information can be judged to be false alarm information.
Further, the receiving the warning information sent by the radar, and adjusting the azimuth angle and the pitch angle of the optoelectronic imaging device according to the coordinate information in the warning information, so that the aligning of the optoelectronic imaging device to the position corresponding to the coordinate information specifically includes:
f1, receiving warning information sent by the radar, carrying out signal analysis on an original signal detected by the radar according to the warning information, and judging whether the original signal is a discrete signal;
after the warning information sent by the radar is received and before the photoelectric imaging equipment is used for detection, the original signal detected by the radar can be subjected to signal analysis, and whether the original signal is a discrete signal or not can be judged.
F2, if the original signal is a discrete signal, determining that the warning information is false alarm information;
if the original signal is a discrete signal, the warning information sent by the radar is false alarm information, and the radar triggers false alarm due to the discrete signal.
F3, if the original signal is a non-discrete signal, adjusting the azimuth angle and the pitch angle of the photoelectric imaging device according to the coordinate information in the warning information, so that the photoelectric imaging device is aligned to the position corresponding to the coordinate information.
If the original signal is a non-discrete signal, it indicates that there is a certain probability that the suspicious flying object enters the monitoring area, and at this time, the optoelectronic imaging device can be scheduled to track and analyze.
Further, the receiving the warning information sent by the radar, and adjusting the azimuth angle and the pitch angle of the optoelectronic imaging device according to the coordinate information in the warning information, so that the aligning of the optoelectronic imaging device to the position corresponding to the coordinate information specifically includes:
g1, receiving warning information sent by a radar;
g2, acquiring current first rainfall data according to the warning information, and calculating a first false alarm probability according to the first rainfall data and the corresponding relation between the rainfall data and the false alarm probability;
in some embodiments, a false alarm determination may also be made in conjunction with weather, and when the warning information is received, the current first rainfall data may be obtained from the rainfall sensor.
The larger the rainfall is, the higher the false alarm probability is, so that the rainfall and the false alarm probability have a certain correlation, and the corresponding relation between the rainfall data and the false alarm probability can be obtained through an empirical formula or data fitting of historical records.
A first false alarm probability may then be calculated based on the first rainfall data and the correspondence of the rainfall data to the false alarm probabilities.
G3, judging whether the coordinate information in the warning information is located in a water area;
meanwhile, whether the coordinate information in the warning information is located in the water area can be judged.
G4, when the coordinate information is located in a water area, acquiring a current first sea wave height, and calculating a second false alarm probability according to the first sea wave height and the corresponding relation between the sea wave height and the false alarm probability;
when the coordinate information is located in the water area, the false alarm probability is also influenced by the sea wave height, the higher the sea wave height is, the higher the false alarm probability is, the certain correlation exists between the sea wave height and the false alarm probability, and the corresponding relation between the sea wave height and the false alarm probability can be obtained through an empirical formula or data fitting of historical records.
At the moment, the height of the sea wave can be detected, the current first height of the sea wave is obtained, and the second false alarm probability is calculated according to the first height of the sea wave and the corresponding relation between the height of the sea wave and the false alarm probability.
G5, when the coordinate information is not located in a water area, setting the second false alarm probability as a preset probability value;
the second false alarm probability may be set to a preset probability value when the coordinate information is not located in the water area, and in some embodiments, the second false alarm probability may be set to a probability value of 0 or less when the coordinate information is not located in the water area.
G6, obtaining a first weight corresponding to the first false alarm probability and a second weight corresponding to the second false alarm probability, and performing weighted summation on the first false alarm probability and the second false alarm probability according to the first weight and the second weight to obtain a third false alarm probability;
after the first false alarm probability and the second false alarm probability are obtained, in order to comprehensively consider the influence of weather on the false alarm probability, a first weight corresponding to the first false alarm probability and a second weight corresponding to the second false alarm probability can be obtained, and the first false alarm probability and the second false alarm probability are subjected to weighted summation according to the first weight and the second weight to obtain a third false alarm probability.
G7, judging whether the third false alarm probability is larger than a preset false alarm probability threshold value;
it may then be determined whether the third false alarm probability is greater than a preset false alarm probability threshold.
G8, if the third false alarm probability is larger than a preset false alarm probability threshold, judging that the warning information is false alarm information;
if the third false alarm probability is greater than the preset false alarm probability threshold, the warning information is possibly false alarm generated by the radar receiving severe weather influence, and the warning information can be judged to be the false alarm information.
G9, if the third false alarm probability is not larger than a preset false alarm probability threshold, adjusting the azimuth angle and the pitch angle of the photoelectric imaging device according to the coordinate information in the warning information, so that the photoelectric imaging device is aligned to the position corresponding to the coordinate information.
If the third false alarm probability is not greater than the preset false alarm probability threshold, the optoelectronic imaging device may be scheduled for tracking and analysis.
In the method for determining false alarm information provided in this embodiment, a photoelectric imaging device and a radar are used to cooperate with each other, when receiving an alarm message sent by the radar, an azimuth angle and a pitch angle of the photoelectric imaging device are adjusted according to coordinate information in the alarm message, so that the photoelectric imaging device is aligned to a position corresponding to the coordinate information, where the position is a position where the radar determines that a suspicious flying object exists, and then a first image detection is performed on a visible light image acquired by the photoelectric imaging device, to determine whether a target flying object is detected in the visible light image, if the target flying object is not detected in the visible light image, a second image detection is performed on an infrared image acquired by the photoelectric imaging device, to determine whether a moving light spot is detected in the infrared image, if no moving light spot exists in the infrared image, it can be determined that the alarm message sent by the radar this time is a false alarm message, related workers do not need to be informed, and the problem that false alarm information is difficult to identify in the prior art is solved.
When the target flying object is detected in the visible light image, the image recognition can be further carried out on the target flying object, the flying object type of the target flying object is determined, and whether the first preset warning operation is executed or not is judged according to the type of the target flying object.
When a moving spot is detected in the infrared image, in order to ensure the safety of an important area, a second preset warning operation can be executed, and related workers are informed to carry out manual review.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Example two:
in the second embodiment of the present application, a false alarm information determination device is provided, only the part related to the present application is shown for convenience of description, and as shown in fig. 2, the false alarm information determination device includes,
the photoelectric adjusting module 201 is configured to receive warning information sent by a radar, and adjust an azimuth angle and a pitch angle of a photoelectric imaging device according to coordinate information in the warning information, so that the photoelectric imaging device aligns to a position corresponding to the coordinate information;
the visible light detection module 202 is configured to perform first image detection on a visible light image acquired by the photoelectric imaging device, and determine whether a target flying object is detected in the visible light image;
the infrared detection module 203 is configured to perform second image detection on an infrared image acquired by the photoelectric imaging device if the target flying object is not detected in the visible light image, and determine whether a moving light spot is detected in the infrared image;
a first false alarm module 204, configured to determine that the warning information is false alarm information if no moving light spot is detected in the infrared image.
Further, the apparatus further comprises:
the type identification module is used for carrying out image identification on the target flying object to obtain the flying object type of the target flying object if the target flying object is detected in the visible light image;
and the second false alarm module is used for judging that the warning information is false alarm information if the type of the flying object of the target flying object is a safe flying object.
Further, the apparatus further comprises:
and the first warning module is used for executing a first preset warning operation if the type of the flying object of the target flying object is a dangerous flying object or an unidentified flying object.
Further, the apparatus further comprises:
and the second warning module is used for executing second preset warning operation if the infrared image has moving light spots.
Further, the apparatus further comprises:
the electromagnetic detection module is used for adjusting the azimuth angle and the pitch angle of the electromagnetic detection equipment according to the coordinate information in the warning information, so that the electromagnetic detection equipment is aligned to the position corresponding to the coordinate information;
correspondingly, the first false alarm module specifically comprises:
the electromagnetic submodule is used for acquiring electromagnetic information detected by electromagnetic detection equipment if no moving light spot is detected in the infrared image, and judging whether abnormal equipment information exists in the electromagnetic information or not;
the warning sub-module is used for executing a third preset warning operation if the electromagnetic information contains abnormal equipment information;
and the false alarm sub-module is used for judging that the warning information is false alarm information if abnormal equipment information does not exist in the electromagnetic information.
Further, the photoelectric adjusting module specifically includes:
the analysis submodule is used for receiving warning information sent by the radar, carrying out signal analysis on an original signal detected by the radar according to the warning information and judging whether the original signal is a discrete signal or not;
the discrete submodule is used for judging the warning information as false alarm information if the original signal is a discrete signal;
and the optoelectronic module is used for adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information if the original signal is a non-discrete signal, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
Further, the photoelectric adjusting module specifically includes:
the receiving submodule is used for receiving warning information sent by the radar;
the rainfall submodule is used for acquiring current first rainfall data according to the warning information and calculating first false alarm probability according to the first rainfall data and the corresponding relation between the rainfall data and the false alarm probability;
the water area submodule is used for judging whether the coordinate information in the warning information is positioned in a water area;
the sea wave submodule is used for acquiring the current first sea wave height when the coordinate information is positioned in a water area, and calculating a second false alarm probability according to the first sea wave height and the corresponding relation between the sea wave height and the false alarm probability;
the probability submodule is used for setting the second false alarm probability as a preset probability value when the coordinate information is not positioned in a water area;
the weighting submodule is used for acquiring a first weight corresponding to the first false alarm probability and a second weight corresponding to the second false alarm probability, and carrying out weighted summation on the first false alarm probability and the second false alarm probability according to the first weight and the second weight to obtain a third false alarm probability;
a threshold submodule for judging whether the third false alarm probability is greater than a preset false alarm probability threshold;
a judging submodule, configured to judge that the warning information is false alarm information if the third false alarm probability is greater than a preset false alarm probability threshold;
and the control submodule is used for adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information if the third false alarm probability is not greater than a preset false alarm probability threshold value, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
Example three:
fig. 3 is a schematic diagram of a terminal device provided in the third embodiment of the present application. As shown in fig. 3, the terminal device 3 of this embodiment includes: a processor 30, a memory 31 and a computer program 32 stored in said memory 31 and executable on said processor 30. The processor 30, when executing the computer program 32, implements the steps in the above-mentioned false alarm information determination method embodiment, such as the steps S101 to S104 shown in fig. 1. Alternatively, the processor 30, when executing the computer program 32, implements the functions of each module/unit in the above-mentioned device embodiments, for example, the functions of the modules 201 to 204 shown in fig. 2.
Illustratively, the computer program 32 may be partitioned into one or more modules/units that are stored in the memory 31 and executed by the processor 30 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 32 in the terminal device 3. For example, the computer program 32 may be divided into a photoelectric adjustment module, a visible detection module, an infrared detection module, and a first false alarm module, each of which functions specifically as follows:
the photoelectric adjusting module is used for receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to coordinate information in the warning information so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information;
the visible light detection module is used for carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment and judging whether a target flying object is detected in the visible light image;
the infrared detection module is used for carrying out second image detection on the infrared image acquired by the photoelectric imaging equipment if the target flying object is not detected in the visible light image, and judging whether a moving light spot is detected in the infrared image;
and the first false alarm module is used for judging that the warning information is false alarm information if no moving light spot is detected in the infrared image.
The terminal device 3 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The terminal device may include, but is not limited to, a processor 30, a memory 31. It will be understood by those skilled in the art that fig. 3 is only an example of the terminal device 3, and does not constitute a limitation to the terminal device 3, and may include more or less components than those shown, or combine some components, or different components, for example, the terminal device may also include an input-output device, a network access device, a bus, etc.
The Processor 30 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may be an internal storage unit of the terminal device 3, such as a hard disk or a memory of the terminal device 3. The memory 31 may also be an external storage device of the terminal device 3, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 3. Further, the memory 31 may also include both an internal storage unit and an external storage device of the terminal device 3. The memory 31 is used for storing the computer program and other programs and data required by the terminal device. The memory 31 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (14)
1. A false alarm information determination method is characterized by comprising the following steps:
receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of a photoelectric imaging device according to coordinate information in the warning information so that the photoelectric imaging device is aligned to a position corresponding to the coordinate information;
carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment, and judging whether a target flying object is detected in the visible light image;
if the target flying object is not detected in the visible light image, performing second image detection on an infrared image acquired by the photoelectric imaging equipment, and judging whether a moving light spot is detected in the infrared image;
if no moving light spot is detected in the infrared image, judging the warning information as false alarm information;
before the step of determining that the warning information is false warning information if no moving light spot is detected in the infrared image, the method further includes:
adjusting the azimuth angle and the pitch angle of the electromagnetic detection equipment according to the coordinate information in the warning information, so that the electromagnetic detection equipment is aligned to the position corresponding to the coordinate information;
correspondingly, if no moving light spot is detected in the infrared image, the step of determining that the warning information is false alarm information specifically comprises the following steps:
if no moving light spot is detected in the infrared image, acquiring electromagnetic information detected by electromagnetic detection equipment, and judging whether abnormal equipment information exists in the electromagnetic information;
if the electromagnetic information contains abnormal equipment information, executing a third preset warning operation;
and if the electromagnetic information does not contain abnormal equipment information, judging that the warning information is false alarm information.
2. The false alarm information determination method according to claim 1, wherein after the first image detection is performed on the visible light image acquired by the optoelectronic imaging device, and whether a target flying object is detected in the visible light image is determined, the method further comprises:
if the target flying object is detected in the visible light image, carrying out image recognition on the target flying object to obtain the flying object type of the target flying object;
and if the type of the target flyer is a safe flyer, judging that the warning information is false alarm information.
3. The false alarm information determination method according to claim 2, wherein after the image recognition of the target flying object is performed to obtain the flying object type of the target flying object if the target flying object is detected in the visible light image, the method further comprises:
and if the type of the target flying object is a dangerous flying object or an unidentified flying object, executing a first preset warning operation.
4. The method according to claim 1, wherein after performing a second image detection on the infrared image acquired by the optoelectronic imaging device and determining whether a moving spot is detected in the infrared image if the target flying object is not detected in the visible light image, the method further comprises:
and if the infrared image has the moving light spots, executing a second preset warning operation.
5. The method of claim 1, wherein the receiving the warning information sent by the radar, and adjusting the azimuth angle and the pitch angle of the optoelectronic imaging device according to the coordinate information in the warning information, so that the optoelectronic imaging device is aligned to the position corresponding to the coordinate information specifically comprises:
receiving warning information sent by a radar, carrying out signal analysis on an original signal detected by the radar according to the warning information, and judging whether the original signal is a discrete signal;
if the original signal is a discrete signal, the warning information is judged to be false alarm information;
and if the original signal is a non-discrete signal, adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
6. The method of claim 1, wherein the receiving the warning information sent by the radar, and adjusting the azimuth angle and the pitch angle of the optoelectronic imaging device according to the coordinate information in the warning information, so that the optoelectronic imaging device is aligned to the position corresponding to the coordinate information specifically comprises:
receiving warning information sent by a radar;
acquiring current first rainfall data according to the warning information, and calculating a first false alarm probability according to the first rainfall data and the corresponding relation between the rainfall data and the false alarm probability;
judging whether the coordinate information in the warning information is located in a water area;
when the coordinate information is located in a water area, acquiring a current first sea wave height, and calculating a second false alarm probability according to the first sea wave height and the corresponding relation between the sea wave height and the false alarm probability;
when the coordinate information is not located in a water area, setting the second false alarm probability as a preset probability value;
acquiring a first weight corresponding to the first false alarm probability and a second weight corresponding to the second false alarm probability, and performing weighted summation on the first false alarm probability and the second false alarm probability according to the first weight and the second weight to obtain a third false alarm probability;
judging whether the third false alarm probability is greater than a preset false alarm probability threshold value;
if the third false alarm probability is greater than a preset false alarm probability threshold, judging the warning information as false alarm information;
and if the third false alarm probability is not greater than a preset false alarm probability threshold, adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
7. A false alarm information determination device, comprising:
the photoelectric adjusting module is used for receiving warning information sent by a radar, and adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to coordinate information in the warning information so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information;
the visible light detection module is used for carrying out first image detection on a visible light image acquired by the photoelectric imaging equipment and judging whether a target flying object is detected in the visible light image;
the infrared detection module is used for carrying out second image detection on the infrared image acquired by the photoelectric imaging equipment if the target flying object is not detected in the visible light image, and judging whether a moving light spot is detected in the infrared image;
the first false alarm module is used for judging that the warning information is false alarm information if no moving light spot is detected in the infrared image;
the device further comprises:
the electromagnetic detection module is used for adjusting the azimuth angle and the pitch angle of the electromagnetic detection equipment according to the coordinate information in the warning information, so that the electromagnetic detection equipment is aligned to the position corresponding to the coordinate information;
correspondingly, the first false alarm module specifically comprises:
the electromagnetic submodule is used for acquiring electromagnetic information detected by electromagnetic detection equipment if no moving light spot is detected in the infrared image, and judging whether abnormal equipment information exists in the electromagnetic information or not;
the warning sub-module is used for executing a third preset warning operation if the electromagnetic information contains abnormal equipment information;
and the false alarm sub-module is used for judging that the warning information is false alarm information if abnormal equipment information does not exist in the electromagnetic information.
8. The false alarm information determination device of claim 7, wherein the device further comprises:
the type identification module is used for carrying out image identification on the target flying object to obtain the flying object type of the target flying object if the target flying object is detected in the visible light image;
and the second false alarm module is used for judging that the warning information is false alarm information if the type of the flying object of the target flying object is a safe flying object.
9. The false alarm information determination device of claim 8, wherein the device further comprises:
and the first warning module is used for executing a first preset warning operation if the type of the flying object of the target flying object is a dangerous flying object or an unidentified flying object.
10. The false alarm information determination device of claim 7, wherein the device further comprises:
and the second warning module is used for executing second preset warning operation if the infrared image has moving light spots.
11. The false alarm information determination device of claim 7, wherein the photoelectric adjustment module specifically comprises:
the analysis submodule is used for receiving warning information sent by the radar, carrying out signal analysis on an original signal detected by the radar according to the warning information and judging whether the original signal is a discrete signal or not;
the discrete submodule is used for judging the warning information as false alarm information if the original signal is a discrete signal;
and the optoelectronic module is used for adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information if the original signal is a non-discrete signal, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
12. The false alarm information determination device of claim 7, wherein the photoelectric adjustment module specifically comprises:
the receiving submodule is used for receiving warning information sent by the radar;
the rainfall submodule is used for acquiring current first rainfall data according to the warning information and calculating first false alarm probability according to the first rainfall data and the corresponding relation between the rainfall data and the false alarm probability;
the water area submodule is used for judging whether the coordinate information in the warning information is positioned in a water area;
the sea wave submodule is used for acquiring the current first sea wave height when the coordinate information is positioned in a water area, and calculating a second false alarm probability according to the first sea wave height and the corresponding relation between the sea wave height and the false alarm probability;
the probability submodule is used for setting the second false alarm probability as a preset probability value when the coordinate information is not positioned in a water area;
the weighting submodule is used for acquiring a first weight corresponding to the first false alarm probability and a second weight corresponding to the second false alarm probability, and carrying out weighted summation on the first false alarm probability and the second false alarm probability according to the first weight and the second weight to obtain a third false alarm probability;
a threshold submodule for judging whether the third false alarm probability is greater than a preset false alarm probability threshold;
a judging submodule, configured to judge that the warning information is false alarm information if the third false alarm probability is greater than a preset false alarm probability threshold;
and the control submodule is used for adjusting the azimuth angle and the pitch angle of the photoelectric imaging equipment according to the coordinate information in the warning information if the third false alarm probability is not greater than a preset false alarm probability threshold value, so that the photoelectric imaging equipment is aligned to the position corresponding to the coordinate information.
13. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 6 when executing the computer program.
14. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
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