CN111429681A - Comprehensive perimeter security system with infrared thermal image verification and method - Google Patents
Comprehensive perimeter security system with infrared thermal image verification and method Download PDFInfo
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- CN111429681A CN111429681A CN202010359797.XA CN202010359797A CN111429681A CN 111429681 A CN111429681 A CN 111429681A CN 202010359797 A CN202010359797 A CN 202010359797A CN 111429681 A CN111429681 A CN 111429681A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012795 verification Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 17
- 238000011897 real-time detection Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000010200 validation analysis Methods 0.000 claims 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 4
- 238000001931 thermography Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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Abstract
The invention discloses a comprehensive perimeter security system with infrared thermal image verification and a method thereof, wherein compared with the existing security system, the security system is additionally provided with an image acquisition device and an image recognition unit, the alarm signal of an infrared correlation device is confirmed and verified, and only after the alarm is successfully confirmed, the alarm is controlled by a controller to give an alarm, so that the problem of high false alarm rate of the infrared device caused by external environmental influences such as fallen leaves, rain, snow and the like in the background art can be effectively solved; the security method is completed based on the security system and has the advantages of simplicity, strong operability, high alarm accuracy and the like.
Description
Technical Field
The invention relates to the technical field of comprehensive perimeter precaution, in particular to a comprehensive perimeter security system with infrared thermography verification and a method thereof.
Background
Along with the development of the Chinese society and the continuous improvement of the living standard of people, the consciousness and the demand of people on the safety technology prevention are gradually improved. As a modern perimeter security technology, the technology has been widely applied to the perimeter protection of residential districts, enterprises and public institutions, public buildings and the like in cities.
At present, the perimeter security protection is mainly realized by installing infrared correlation devices around a building, detecting security protection areas in real time through the infrared correlation devices, sending an alarm signal to a console when detecting that an invader exists, and controlling an alarm to give an alarm through the console.
The detection principle of the infrared correlation device is as follows: the infrared ray emitted by the infrared light emitting diode is focused by the optical lens, so that the light is transmitted to a long distance, and finally the light is received by the photosensitive transistor at the receiving end. When an object blocks the infrared ray emitted by the emitting end, the receiving end can not receive the infrared ray, so that an alarm can be given. Therefore, the infrared correlation device based on the detection principle is affected by the environment, and a false alarm phenomenon often occurs, for example, if leaves falling in a security area or rain, snow or the like blocks the receiving end from receiving infrared rays, the infrared correlation device will give an alarm, and the false alarm rate is high.
Therefore, how to develop a comprehensive perimeter security system and method to solve the above problems is a problem to be urgently solved.
Disclosure of Invention
In view of the above, the invention discloses and provides a comprehensive perimeter security system with infrared thermography verification and a method thereof, so as to solve the problems of high false alarm rate and the like of the conventional security system.
The invention provides a comprehensive perimeter security system with infrared thermal image verification, which comprises: the device comprises a plurality of infrared correlation devices, a plurality of image acquisition devices, an image identification unit, a controller and an alarm;
the infrared correlation devices are respectively arranged along the security perimeter at one side at intervals;
the image acquisition devices are respectively arranged at intervals at the security perimeter opposite to the infrared correlation device;
the image acquisition devices correspond to one or more infrared correlation devices, and each image acquisition device can acquire images in the detection security area of the corresponding infrared correlation device or devices;
the input end of the image identification unit is respectively connected with the output end of each image acquisition device;
the input end of the controller is respectively connected with the output end of each infrared correlation device and the output end of the image recognition unit, and the output end of the controller is respectively connected with the control end of the image acquisition device and the control end of the alarm.
Preferably, each of the image capturing devices includes: a holder and an infrared camera;
the infrared camera is fixedly arranged on the cradle head, and the control end of the cradle head and the control end of the infrared camera are both connected with the output end of the controller;
and the output end of the infrared camera is connected with the input end of the image recognition unit.
Further preferably, the security system further comprises: a display; each of the image capturing devices further includes: a visible light camera;
the visible light camera is fixedly arranged on the holder, and the control end of the visible light camera is connected with the output end of the controller;
and the input end of the display is respectively connected with the output end of the visible light camera in each image acquisition device.
Further preferably, the alarm is an audible and visual alarm.
The invention also provides a comprehensive perimeter security method with infrared thermographic verification, which is based on the security system and comprises the following steps:
acquiring a real-time detection result of each infrared correlation device;
when the intrusion exists in the detection result, starting an image acquisition device to acquire an image of the security area and acquiring an acquired image;
identifying image information in the acquired image and judging whether an invader exists or not;
and when the invader exists, controlling the alarm to give an alarm.
Preferably, the detection result comprises: presence and absence of intrusion.
Further preferably, when the detection result is that intrusion exists, starting an image acquisition device to acquire an image of a security area and acquiring an acquired image, specifically comprising:
when the detection result is that the intrusion exists, identifying an infrared correlation device corresponding to the intrusion signal;
and searching an image acquisition device corresponding to the infrared correlation device for sending the intrusion signal according to a preset comparison table, starting the corresponding image acquisition device to acquire an image of the security area, and acquiring an acquired image.
Further preferably, the preset comparison table is a corresponding relationship table of the infrared correlation device and the image acquisition device, and includes: and the number and the angle of the image acquisition device corresponding to each infrared correlation device.
Further preferably, after the step of controlling the alarm to alarm when the invader exists, the method further comprises the following steps:
and sending the image information in the acquired image to a display for displaying.
Compared with the existing security system, the comprehensive perimeter security system with infrared thermal image verification is additionally provided with the image acquisition device and the image recognition unit, the alarm signal of the infrared correlation device is confirmed and verified, and the alarm is controlled by the controller to give an alarm only after the alarm signal is successfully confirmed and verified, so that the problem of high false alarm rate of the infrared device caused by the influence of external environments such as fallen leaves, rain, snow and the like in the background art can be effectively solved.
The comprehensive perimeter security method with infrared thermal image verification is completed based on the security system, and has the advantages of being simple, strong in operability, high in alarm accuracy and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the constituent modules of a comprehensive perimeter security system with infrared thermographic verification according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of component modules of an image acquisition device in a comprehensive perimeter security system with infrared thermographic verification according to an embodiment of the present disclosure;
FIG. 3 is a schematic flow chart of a comprehensive perimeter security method with infrared thermographic verification according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of the step S2 in the comprehensive perimeter security method with infrared thermographic verification according to the embodiment of the disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The problem of high false alarm rate caused by the fact that an infrared correlation device is simply arranged and no verification device is arranged in a conventional security system is solved. This embodiment provides a take infrared thermal image to verify synthesizes perimeter security protection system, refer to fig. 1, this security protection system includes: a plurality of infrared correlation devices 1, a plurality of image acquisition devices 2, an image identification unit 3, a controller 4 and an alarm 5, wherein the plurality of infrared correlation devices 1 are respectively arranged along the security protection perimeter at intervals on one side, the plurality of image acquisition devices 2 are respectively arranged at the security protection perimeter opposite to the infrared correlation devices 1 at intervals, namely, the image acquisition devices 2 and the infrared correlation devices 1 are oppositely arranged, the image acquisition devices 2 correspond to one or more infrared correlation devices 1, each image acquisition device 2 can acquire images in the detection security area of the corresponding one or more infrared correlation devices 1, the input end of the image identification unit 3 is respectively connected with the output end of each image acquisition device 2, the input end of the controller 4 is respectively connected with the output end of each infrared correlation device 1 and the output end of the image identification unit 3, the output end of the controller 5 is connected with the control end of the image acquisition device 2 and the control end of the alarm 5 respectively.
In the above-mentioned take infrared thermal image to verify comprehensive perimeter security protection system, realize the function that the secondary was confirmed and is verified through setting up image acquisition device and image identification unit to reduce the false alarm rate, this security protection system's specific working process is: the method comprises the steps of arranging a plurality of infrared correlation devices at intervals along a security perimeter on one side respectively, wherein each infrared correlation device corresponds to a part of security area, covering the whole security area by the infrared correlation devices, arranging an image acquisition device on a correlation surface of the infrared correlation devices at intervals along the security perimeter opposite to the infrared correlation devices, wherein the image acquisition device corresponds to one or more infrared correlation devices, the corresponding relation refers to the security area detected by each infrared correlation device, the corresponding image acquisition device can be used for completely acquiring images in the security area, after the equipment is installed, the infrared correlation devices are used as first defense after the security system is started, when the infrared correlation devices detect that intrusion exists, an alarm signal is sent to a controller, and the controller can firstly identify the infrared correlation devices corresponding to the alarm signal, then look for the image acquisition device that this infrared correlation device corresponds, then start corresponding image acquisition device and carry out image acquisition, the image of gathering can be sent to the image recognition unit and discerned, confirm and verify whether there is the invading thing, the invading thing here is usually people, if confirm verify that there is the invading thing, the image recognition unit can send the signal to the controller, the controller control alarm is reported to the police, indicates that there is the invasion, otherwise does not report to the police, avoids once wrong report.
The image recognition unit adopts the existing module, belongs to the prior art, has the same principle with the infrared thermal imager which is widely used at present, namely, carries out human shape recognition on the image to be shot, if the human shape exists in the image, the image recognition unit sends a signal to the controller, otherwise, the image recognition unit does not send the signal.
In order to realize that the security system can be used for 24 hours all day, and is not affected by natural climates such as high temperature, low temperature, strong light, dust, rain, snow, fog, frost and the like, as an improvement of the technical scheme, referring to fig. 2, the image acquisition device 2 in the above embodiment is designed to be composed of a pan-tilt 21 and an infrared camera 22, wherein the infrared camera 22 is fixedly installed on the pan-tilt 21, a control end of the pan-tilt 21 and a control end of the infrared camera 22 are both connected with an output end of the controller 4, and an output end of the infrared camera 22 is connected with an input end of the image recognition unit 3.
In the above-mentioned image acquisition device 2, the design through cloud platform 21 can realize image acquisition device's angular adjustment, and infrared camera 22 uses, because this camera is according to infrared thermal imaging principle, carries out the collection of image, can avoid receiving external environment's influence, can realize using 24 hours all weather.
Meanwhile, after infrared thermal imaging is adopted, the method is more favorable for improving the preparation of intelligent analysis, can make up the defects of the traditional visible light camera, adds temperature information when detecting and analyzing the invader, and can effectively remove interference factors such as fallen leaves, birds and beasts which are obviously different from people by combining with the self-carried image to carry out contour analysis.
In order to realize manual confirmation and further improve the reliability of the security system, as an improvement of the technical solution, referring to fig. 1, a display 6 is further provided in the security system, and referring to fig. 2, a visible light camera 23 is provided in each image acquisition device 2, wherein the visible light camera 23 is fixedly mounted on a pan/tilt head 21, a control end of the visible light camera 23 is connected with an output end of the controller 4, and an input end of the display 6 is respectively connected with an output end of the visible light camera 23 in each image acquisition device 2.
When the image recognition unit sends a signal to the controller to inform that the intrusion exists, the controller can control the corresponding visible light camera to start up to shoot images, and the shot images are sent to the display in real time to be displayed, so that manual confirmation is realized, and the reliability is further improved.
In order to improve the alarm effect, as an improvement of the technical scheme, the alarm 5 is selected as an audible and visual alarm.
The embodiment provides a comprehensive perimeter security method with infrared thermographic verification, which is realized based on the security system and is shown in fig. 3, and comprises the following steps:
s1: acquiring a real-time detection result of each infrared correlation device, wherein the detection result comprises: presence and absence of intrusion;
s2: when the intrusion exists in the detection result, starting an image acquisition device to acquire an image of the security area and acquiring an acquired image;
s3: identifying image information in the collected image and judging whether an invader exists or not;
s4: and when the invader exists, controlling the alarm to give an alarm.
Referring to fig. 4, the above step S2: when the detection result is that the invasion exists, the image acquisition device is started to acquire the image of the security area and acquire the acquired image, and the method specifically comprises the following steps:
s301: when the detection result is that the intrusion exists, identifying an infrared correlation device corresponding to the intrusion signal;
s302: and searching an image acquisition device corresponding to the infrared correlation device for sending the intrusion signal according to a preset comparison table, starting the corresponding image acquisition device to acquire an image of the security area, and acquiring an acquired image.
Wherein, above-mentioned preset look-up table is infrared correlation device and image acquisition device's corresponding relation table, includes: and the number and the angle of the image acquisition device corresponding to each infrared correlation device.
At step S4: when the invader exists, the method also comprises the following steps after the alarm is controlled to give an alarm: and sending the image information in the acquired image to a display for displaying.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. The utility model provides a take infrared thermal image to verify synthesizes perimeter security protection system which characterized in that includes: the system comprises a plurality of infrared correlation devices (1), a plurality of image acquisition devices (2), an image identification unit (3), a controller (4) and an alarm (5);
the infrared correlation devices (1) are respectively arranged along the security perimeter at one side at intervals;
the image acquisition devices (2) are respectively arranged at intervals at the security perimeter opposite to the infrared correlation device (1);
the image acquisition devices (2) correspond to one or more infrared correlation devices (1), and each image acquisition device (2) can acquire images in the detection security area of the corresponding infrared correlation device (1);
the input end of the image identification unit (3) is respectively connected with the output end of each image acquisition device (2);
the input of controller (4) respectively with every the output of infrared correlation device (1) and the output of image recognition unit (3) is connected, the output of controller (5) respectively the control end of image acquisition device (2) and the control end of alarm (5) is connected.
2. The integrated perimeter security system with thermographic verification according to claim 1, wherein each of said image acquisition devices (2) comprises: a pan/tilt head (21) and an infrared camera (22);
the infrared camera (22) is fixedly arranged on the cradle head (21), and the control end of the cradle head (21) and the control end of the infrared camera (22) are both connected with the output end of the controller (4);
the output end of the infrared camera (22) is connected with the input end of the image recognition unit (3).
3. The integrated perimeter security system with thermographic validation of infrared properties of claim 2, wherein said security system further comprises: a display (6); each of the image acquisition devices (2) further comprises: a visible light camera (23);
the visible light camera (23) is fixedly arranged on the cloud deck (21), and the control end of the visible light camera (23) is connected with the output end of the controller (4);
the input end of the display (6) is respectively connected with the output end of the visible light camera (23) in each image acquisition device (2).
4. The integrated perimeter security system with thermographic verification according to claim 1, characterized in that said alarm (5) is an audible and visual alarm.
5. A comprehensive perimeter security method with infrared thermographic verification, which is based on the security system of claim 1, and is characterized in that the security method comprises the following steps:
acquiring a real-time detection result of each infrared correlation device;
when the intrusion exists in the detection result, starting an image acquisition device to acquire an image of the security area and acquiring an acquired image;
identifying image information in the acquired image and judging whether an invader exists or not;
and when the invader exists, controlling the alarm to give an alarm.
6. The comprehensive perimeter security method with infrared thermographic verification according to claim 5, wherein the detection results comprise: presence and absence of intrusion.
7. The comprehensive perimeter security method with the infrared thermographic verification function according to claim 5, wherein when the detection result is the intrusion, an image acquisition device is started to acquire images of the security area, and the step of acquiring the acquired images specifically comprises the following steps:
when the detection result is that the intrusion exists, identifying an infrared correlation device corresponding to the intrusion signal;
and searching an image acquisition device corresponding to the infrared correlation device for sending the intrusion signal according to a preset comparison table, starting the corresponding image acquisition device to acquire an image of the security area, and acquiring an acquired image.
8. The comprehensive perimeter security method with infrared thermographic verification according to claim 7, wherein the preset look-up table is a corresponding relationship table of an infrared correlation device and an image acquisition device, comprising: and the number and the angle of the image acquisition device corresponding to each infrared correlation device.
9. The integrated perimeter security method with thermographic validation of infrared objects as recited in claim 5, further comprising, after controlling the alarm to alarm when an intruder is present:
and sending the image information in the acquired image to a display for displaying.
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| CN202010359797.XA CN111429681A (en) | 2020-04-30 | 2020-04-30 | Comprehensive perimeter security system with infrared thermal image verification and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393652A (en) * | 2021-06-18 | 2021-09-14 | 国能神东煤炭集团有限责任公司 | Alarm method, system, device and storage medium |
| CN113554019A (en) * | 2021-08-13 | 2021-10-26 | 珠海格力电器股份有限公司 | Image report generation method, electronic device, server, and readable storage medium |
| CN113936403A (en) * | 2021-10-14 | 2022-01-14 | 中时讯通信建设有限公司 | Intelligent monitoring security electronic fence alarm system based on Internet of things |
| CN114495395A (en) * | 2021-12-24 | 2022-05-13 | 深圳市天视通视觉有限公司 | Human shape detection method, monitoring and early warning method, device and system |
-
2020
- 2020-04-30 CN CN202010359797.XA patent/CN111429681A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393652A (en) * | 2021-06-18 | 2021-09-14 | 国能神东煤炭集团有限责任公司 | Alarm method, system, device and storage medium |
| CN113554019A (en) * | 2021-08-13 | 2021-10-26 | 珠海格力电器股份有限公司 | Image report generation method, electronic device, server, and readable storage medium |
| CN113936403A (en) * | 2021-10-14 | 2022-01-14 | 中时讯通信建设有限公司 | Intelligent monitoring security electronic fence alarm system based on Internet of things |
| CN114495395A (en) * | 2021-12-24 | 2022-05-13 | 深圳市天视通视觉有限公司 | Human shape detection method, monitoring and early warning method, device and system |
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