CN110706436A - Radar-based monitoring method, terminal and computer-readable medium - Google Patents
Radar-based monitoring method, terminal and computer-readable medium Download PDFInfo
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- CN110706436A CN110706436A CN201910785993.0A CN201910785993A CN110706436A CN 110706436 A CN110706436 A CN 110706436A CN 201910785993 A CN201910785993 A CN 201910785993A CN 110706436 A CN110706436 A CN 110706436A
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- 238000001514 detection method Methods 0.000 description 12
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- 238000005516 engineering process Methods 0.000 description 3
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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
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
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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
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- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to a monitoring method, a terminal and a computer readable medium for radar, the method comprising: acquiring various characteristics of an object in a target monitoring area; comparing the features with a plurality of set features step by step; under the condition that the comparison result is inconsistent, the obtained object is judged to be an intruder, and the method and the device can accurately obtain the environment information, accurately capture the action of the person in the environment and identify the action, and avoid the hidden danger that the privacy is invaded due to the installation of the camera.
Description
Technical Field
The present invention relates to the field of radar monitoring technologies, and in particular, to a monitoring method, a terminal, and a computer-readable medium based on radar.
Background
In modern fast-paced life, the situation that no one is at home or the old and the young are at home alone in the daytime often occurs, so that the property or personal safety problem of the family is particularly important, the traditional monitoring means is mainly used for monitoring through a camera or infrared detection at present, and in the environment such as a living room and the like which relates to personal privacy, once the camera is invaded by lawbreakers, the personal privacy is seriously invaded; in addition, the infrared detection precision is low, whether people exist in the environment can be judged only according to the infrared radiation intensity (represented as the surface temperature) of objects in the environment, once other heat sources close to the body temperature of a human body exist in the environment, the infrared detection method is easy to identify people by mistake, and then false alarm is easy to cause. Therefore, the invention provides a monitoring method, a terminal and a computer readable medium based on a radar, and the millimeter wave radar can accurately acquire environment information, accurately capture and identify actions of people in the environment, and avoid hidden danger that personal privacy is damaged due to installation of a camera.
Disclosure of Invention
To solve the above technical problem or at least partially solve the above technical problem, the present invention provides a radar-based monitoring method, a terminal and a computer-readable medium.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method of monitoring, the method comprising:
acquiring various characteristics of an object in a target monitoring area;
comparing the features with a plurality of set features step by step;
and under the condition that the comparison result is inconsistent, judging that the obtained object is an intruder.
Optionally, the obtaining of the characteristics of the object in the target monitoring area includes obtaining the characteristics of the object in the target monitoring area by using a radar.
Optionally, before the radar is used to obtain the features of the object in the target monitoring area, the method includes: and dividing a target monitoring area in the radar monitoring area.
Optionally, a target monitoring area is divided by a preset angle in the radar monitoring area.
Optionally, the set characteristics of the object include vital signs and/or regular behavior of the object.
Optionally, the set object characteristics are: an object turns off the irregular action of the radar.
Optionally, the external device is controlled when the acquired object is determined to be an intruder.
Optionally, the controlling the external device includes: controlling the linkage door and window to automatically lock or controlling the alarm bell to alarm.
A terminal comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor implements the steps of any of the above methods when executing the computer program.
A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform any of the monitoring methods.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:
the millimeter wave radar is used for environment detection through millimeter light waves, and is characterized in that the identification precision of objects moving in the environment is higher, the thorax fluctuation of a person can be accurately identified to judge the vital signs of the person, and the motion information of the person and the objects can also be accurately captured.
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 of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a monitoring method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the classification of set objects according to an embodiment of the present invention;
fig. 3 is a block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
An embodiment of the present invention provides a monitoring method, as shown in fig. 1, the monitoring method may include the following steps:
s101, acquiring various characteristics of an object in a target monitoring area;
step S102, comparing the characteristics with a plurality of set characteristics step by step;
and step S103, under the condition that the comparison result is inconsistent, judging that the obtained object is an intruder.
The method provided by the embodiment of the invention obtains various characteristics of the object in the target monitoring area; comparing the features with a plurality of set features step by step; and under the condition that the comparison result is inconsistent, judging that the obtained object is an intruder.
The overall flow of the method of the present invention is described above, and the detailed flow of the method of the present invention is described below with reference to examples.
[ METHOD EXAMPLE 1 ]
In embodiment 1, all the steps of the method shown in fig. 1 are included, wherein step S101 is implemented by the following processing:
the method comprises the steps of acquiring a plurality of characteristics of an object in a target monitoring area by adopting a radar, specifically, acquiring behavior characteristics and vital signs of the object in the target monitoring area by adopting a millimeter wave radar, wherein the behavior characteristics comprise regular behaviors and irregular behaviors.
The millimeter wave radar continuously emits electromagnetic waves, the electromagnetic waves in a detection area meet objects and are reflected, the radar receives signals and then carries out a series of processing, object distance, speed and movement direction information carried in the returned electromagnetic waves are demodulated and output through a communication port, the millimeter wave radar can accurately identify the objects in the environment, on one hand, the privacy of a user can be prevented from being invaded by vision, on the other hand, the phenomenon that non-life bodies with heat sources are judged as people by mistake by an infrared detection technology is avoided, and the detection precision is improved.
[ METHOD EXAMPLE 2 ]
In embodiment 2, all the steps of the method shown in fig. 1 are included, wherein step S102 is implemented by the following processing:
comparing the features with a plurality of set features step by step; the set object is classified according to a tree structure, the obtained characteristics of the object are firstly compared with a first large class of the characteristics of the set object, and then compared with a second large class of the characteristics of the set object under the condition that the comparison result is accordant, and the characteristics of the set object are sequentially compared with a next class of the characteristics of the set object under the condition that the comparison result is accordant until the last class is compared.
The obtained object characteristics are compared with the characteristics of the set objects in different classes in sequence, the comparison speed can be increased, meanwhile, the set objects are classified, and the radar identification precision can be improved. In addition, the millimeter wave radar can monitor dynamic abiotic objects, the blank field of the infrared detection technology is made up, the abiotic objects intruding into the target detection area are monitored, and the security effect is improved.
Before the characteristics of the object in the target monitoring area are obtained, the set object is classified, and in each embodiment of the application, the classification is performed according to the external dimension, the vital sign, the motion state and the behavior mode of the set object. Exemplarily, as shown in fig. 2, setting a first major class of objects to be classified by physical dimensions, the objects can be classified into human and non-human; classifying the first large class of the set object again through the vital signs to obtain a second large class, wherein the human can be classified into an unreal human and a real human through the vital signs; classification of non-humans by vital signs can be divided into animals and non-living, in which case the second major class includes four types: non-real humans, animals, and non-living beings. Then classifying the real human by behavior mode, motion state or vital sign, concretely, the real human can be classified into dynamic real human and static real human, the classification standard is the behavior mode, motion state and vital sign of human in dynamic and static states, wherein the vital sign comprises heartbeat, pulse, respiration and other characteristics, the motion state comprises speed, acceleration and other characteristics of the object, and the behavior mode is behavior characteristic and behavior logic; animals can be classified into dynamic animals and static animals, the classification criteria are behavioral patterns, motion states and vital signs of the animals in dynamic and static states, and non-living animals can be classified into static non-living animals and dynamic non-living animals through the motion states.
When the characteristics of the obtained object are compared with the characteristics of the set object, firstly, the characteristics are compared through the appearance size, and when the characteristics of the obtained object are judged to belong to a human or a non-human, the first major type of comparison is completed; then, by judging whether the acquired characteristics of the object contain vital signs, the object can be classified into one of a non-real human, a real human, an animal and a non-biological object, and the comparison with the second large class is completed; and then, according to the behavior pattern, the motion state or the vital signs of the obtained object, completing comparison of a third class, and judging a specific sub-class of the obtained object in the third class, namely, the specific sub-class belongs to one of a dynamic real human, a static real human, a dynamic animal, a static non-living body or a dynamic non-living body. And after the third-class comparison is finished, performing characteristic comparison with the set object according to the subclass in the third class. The classification standard of the set object is not particularly limited, and other classification standards can be adopted according to the actual situation.
When the acquired characteristics of the object are compared with the subclass in the third class of the set object, the comparison is based on the vital signs or the regular behaviors of the set object, or the combination of the vital signs and the regular behaviors, or the irregular actions of the radar of the object closing. In this embodiment of the application, it is set that the obtained object belongs to a dynamic real human, the characteristics of the obtained object are compared with the characteristics of the dynamic real human, specifically, the characteristics are compared with vital signs such as respiratory pulse and heart rate of the dynamic real human, or compared with regular behaviors of the dynamic real human, where the regular behaviors are the same behaviors of the dynamic real human in a fixed time period, or irregular actions of closing the radar by the object, such as a user waving the radar several times, and the like.
The millimeter wave radar can accurately capture the speed, direction, distance and angle information of an object in the target detection area, realizes the whole-process coverage of the space in the monitoring area without any interruption, and improves the monitoring precision.
[ METHOD EXAMPLE 3 ]
In embodiment 3, all the steps of the method shown in fig. 1 are included, wherein step S103 is specifically realized by the following processes:
and under the condition that the comparison result is inconsistent, judging that the obtained object is an intruder. And controlling the external equipment under the condition that the acquired object is judged to be an intruder. The radar is in wired or wireless connection with the external equipment, so that the external equipment can respond to the control of the radar to generate corresponding actions under the condition that the obtained object is an intruder, and therefore the actions of escaping and the like of the intruder are avoided.
The radar continuously emits electromagnetic waves, the electromagnetic waves are reflected when encountering an object in a detection area, the radar demodulates object distance, speed and movement direction information carried in the returned electromagnetic waves after receiving signals, outputs the object distance, speed and movement direction information through a communication port, controls external equipment to act, sends warning information to a user and achieves an intrusion detection alarm function.
In particular, the external device may respond to the control of the radar to cause the corresponding action to occur including, but not limited to: the linkage door and window responds to automatic radar blocking, the alarm bell responds to automatic radar alarm, emergency locking of a room where important properties are located and the like, when the radar detects that an intruder appears, the door and window automatically blocks or the alarm bell gives an alarm, so that the intruder is deterred or prohibited from escaping, preferably, the radar can send warning information to a user, and the user can timely know the intrusion condition and perform corresponding processing.
Before object characteristics in a target monitoring area are obtained through a radar, area division is carried out in the radar monitoring area, and the divided set area is the target monitoring area. Wherein, carrying out regional division in the radar monitoring area includes: and dividing the radar monitoring range by angles, wherein the set angle range is the target monitoring area. The millimeter wave radar can realize the whole-process coverage without any interruption of the space in the monitoring area, angle division is carried out on the radar monitoring area, a certain plane of the radar monitoring area is set, the plane is divided into a plurality of areas according to the angle, each area is at the same angle or different angles relative to the radar, and one or more areas in the plurality of areas are set as target monitoring areas. The target monitoring area is divided, the position of an intruder can be determined in a targeted mode, multiple times of warning to the user are reduced, troubles are avoided, privacy of the user can be guaranteed according to the intention of the user, and user experience is improved.
Based on the same concept, the embodiment of the present application further provides a monitoring device, including:
an acquisition unit for acquiring characteristics of an object in a target monitoring area;
the comparison unit is used for comparing the acquired characteristics of the object with the characteristics of the set object step by step;
and the judging unit is used for judging that the obtained object is an intruder under the condition that the comparison results are inconsistent.
Based on the same concept, the embodiment of the present application further provides a terminal, which includes a memory and a processor, where the memory stores a computer program that can be run on the processor, and the processor implements the control method when executing the computer program.
Based on the same concept, an embodiment of the present application further provides an electronic device, as shown in fig. 3, the electronic device mainly includes: a processor 301, a communication interface 302, a memory 303 and a communication bus 304, wherein the processor 301, the communication interface 302 and the memory 303 communicate with each other via the communication bus 304. The communication interface 302 is used for communication between the electronic device and other devices. The memory 303 stores a program executable by the processor 301, and the processor 301 executes the program stored in the memory 303 to realize the control method described above when executing the computer program.
The communication bus 304 mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus 304 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 3, but this does not mean only one bus or one type of bus.
The memory 303 may include a Random Access Memory (RAM), or may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The processor 301 may be a general-purpose processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the integrated circuit may also be 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, or discrete hardware components.
In yet another embodiment of the present application, there is also provided a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to execute the above-described control method.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wirelessly (e.g., infrared, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The available media may be magnetic media (e.g., floppy disks, hard disks, tapes, etc.), optical media (e.g., DVDs), or semiconductor media (e.g., solid state drives), among others.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of monitoring, the method comprising:
acquiring various characteristics of an object in a target monitoring area;
comparing the features with a plurality of set features step by step;
and under the condition that the comparison result is inconsistent, judging that the obtained object is an intruder.
2. The method of claim 1, wherein obtaining a plurality of characteristics of an object in a target monitored area comprises using radar to obtain characteristics of an object within the target monitored area.
3. The method of claim 2, prior to obtaining by radar a plurality of characteristics of an object in the target monitored area, comprising: and dividing a target monitoring area in the radar monitoring area.
4. The method according to claim 3, characterized in that the target monitoring area is divided by a preset angle within the radar monitoring area.
5. The method of claim 1,
the set characteristics of the object comprise vital characteristics and/or regular behavior of the object.
6. The method according to claim 1, wherein the set object characteristics are: an object turns off the irregular action of the radar.
7. The method of claim 1, further comprising: and controlling the external equipment under the condition that the acquired object is judged to be an intruder.
8. The method of claim 7, wherein controlling the external device comprises: controlling the linkage door and window to automatically lock or controlling the alarm bell to alarm.
9. A terminal comprising a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein the processor, when executing the computer program, performs the steps of the method according to any of the preceding claims 1 to 8.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the monitoring method of any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910785993.0A CN110706436A (en) | 2019-08-23 | 2019-08-23 | Radar-based monitoring method, terminal and computer-readable medium |
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| CN201910785993.0A CN110706436A (en) | 2019-08-23 | 2019-08-23 | Radar-based monitoring method, terminal and computer-readable medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403021A (en) * | 2020-03-11 | 2020-07-10 | 中国电子工程设计院有限公司 | Monitoring method and device |
| CN113156425A (en) * | 2021-04-25 | 2021-07-23 | 中航睿智科技(成都)有限公司 | Millimeter wave radar boundary intrusion data processing method based on big data |
| CN113822154A (en) * | 2021-08-11 | 2021-12-21 | 普行智能停车（深圳）有限公司 | Method, device, equipment and medium for protecting privacy during intelligent parking |
-
2019
- 2019-08-23 CN CN201910785993.0A patent/CN110706436A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403021A (en) * | 2020-03-11 | 2020-07-10 | 中国电子工程设计院有限公司 | Monitoring method and device |
| CN111403021B (en) * | 2020-03-11 | 2023-12-05 | 中国电子工程设计院有限公司 | Monitoring method and device |
| CN113156425A (en) * | 2021-04-25 | 2021-07-23 | 中航睿智科技(成都)有限公司 | Millimeter wave radar boundary intrusion data processing method based on big data |
| CN113822154A (en) * | 2021-08-11 | 2021-12-21 | 普行智能停车（深圳）有限公司 | Method, device, equipment and medium for protecting privacy during intelligent parking |
| CN113822154B (en) * | 2021-08-11 | 2024-02-27 | 普行智能停车（深圳）有限公司 | Method, device, equipment and medium for protecting privacy of intelligent parking |
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