CN114758464A - Storage battery anti-theft method, device and storage medium based on charging pile monitoring video - Google Patents
Storage battery anti-theft method, device and storage medium based on charging pile monitoring video Download PDFInfo
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- 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 belongs to the technical field of image recognition, and particularly discloses a storage battery anti-theft method, equipment and a storage medium based on a charging pile monitoring video. The method comprises the following steps: acquiring a monitoring video of a charging pile area in real time and acquiring a monitoring picture; when the fact that the person enters the charging pile area is judged, acquiring the limb coordinates of key parts of the person in each frame of image; setting a detection rectangular area, and acquiring information of the battery car in the detection rectangular area; acquiring the information of a tire frame of the battery car, and acquiring the action score of a person; and detecting the battery items in the continuous picture area based on the personnel action scores to obtain a battery detection result. The method effectively identifies the key characteristics of the video through a special algorithm, solves the problems of high cost and low efficiency of manual inspection, realizes the standardization, automation and high efficiency of the anti-theft monitoring of the storage battery in the storage battery car charging place, and realizes the real-time detection and early warning of the storage battery theft event.
Description
Technical Field
The invention belongs to the technical field of image recognition, and particularly relates to a storage battery anti-theft method, equipment and a storage medium based on a charging pile monitoring video.
Background
When the storage battery car stops at the charging pile for charging, because no specially-assigned person is watched nearby the charging pile, the storage battery is easily stolen, and in the process of post reconnaissance, a large amount of monitoring videos need to be watched by a policeman to search for stolen people, so that a large amount of labor cost is consumed, and the efficiency is low, the storage battery anti-theft real-time detection method based on the charging pile monitoring videos is needed to realize real-time detection and early warning of the storage battery theft event.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a storage battery anti-theft method based on a charging pile monitoring video. This system passes through the theftproof detection score behind the calculation personnel entering charging pile, carries out real-time detection to storage battery theft event according to the score height, has solved the high cost of manual inspection, inefficient problem, has realized storage battery theftproof control's in storage battery car place of charging standardization, automation and high efficiency.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions.
A storage battery anti-theft method based on charging pile monitoring videos comprises the following steps:
step S1: deploying a monitoring camera in a charging pile area, acquiring a monitoring video of the monitoring camera in real time, and acquiring the width W and the height H of a monitoring picture;
step S2: setting a charging pile area in the monitoring picture;
step S3: judging whether personnel exist in the charging pile area or not;
step S4: when the person is judged to enter the charging pile area, acquiring the neck coordinate of the person in each frame of imageHip bone center point coordinatesArm coordinate,And wrist coordinates,Wherein i represents a frame number; initializing an item score for each frame;
Step S5: setting a detection rectangular area, acquiring the information of the storage battery car in the detection rectangular area, and acquiring the synchronous score of people and carsA value;
step S6: when the battery car exists in the detection rectangular area, acquiring the information of a tire frame of the battery car, and acquiring a person action score;
step S7: and detecting the battery items in the continuous picture area based on the personnel action scores to obtain a battery detection result.
Further, set up the electric pile area of filling in the control picture, include:
four boundary points are set in the monitoring pictureThe four points are sequentially connected clockwise to form a charging pile area; the charging pile area covers the parking lot range in the monitoring picture in a perspective relation.
Further, the judging whether personnel exist in the charging pile area comprises the following steps:
real-time acquisition of personnel coordinates in a monitoring screenWhen the personnel coordinate meets a first condition, judging that the personnel enters a charging pile area; the first condition is:
further, the setting of the detection rectangular area includes:
step S5.1: setting the detection rectangular area asWhereinRespectively representing the abscissa of the top left vertex of the detection rectangular region, the ordinate of the top left vertex, the width of the region and the height of the region; wherein, the first and the second end of the pipe are connected with each other,
in the formula (I), the compound is shown in the specification,a width correction constant obtained by training historical data;a height correction constant obtained by training historical data;forward panning derived for historical data trainingThe constant of the correction is changed,;the inverse translation correction constants trained for historical data,;to identify the length of the diagonal of the portrait frame;
acquiring the information of the battery cars in the detection rectangular area and acquiring the synchronous scores of people and carsValues, including:
step S5.2: using a trained yolov4 model to detect the rectangular areaCarrying out storage battery car detection; setting when there is a battery car in the area(ii) a When no battery car exists in the area, setting。
Further, acquire storage battery car tire square frame information, obtain personnel's action score, include:
step S6.1: when the storage battery car exists in the detection rectangular area, acquiring a complete image of the storage battery car in a monitoring picture and identifying information of two groups of tire square frames of the storage battery car; the two groups of tire square frame information are respectively,Wherein,The left vertex abscissa of the image box of the tire,,is the vertical coordinate of the top left corner of the tire image box,,is the width of the square frame of the tire image,,high for the tire image square;
step S6.2: then obtaining the action score of the person,(ii) a Personnel action scoring when there is no battery car in the area;
in the formula (I), the compound is shown in the specification,anda contact correction constant and a separation correction constant obtained by training historical data;correcting the threshold for the lower bound;scoring the contact distance;correcting the threshold value for the upper bound;scoring the junction;a first sub-score for the contact;a second sub-score for contact;
in the formula (I), the compound is shown in the specification,,setting a first judgment threshold value and a second judgment threshold value;
in the formula (I), the compound is shown in the specification,the resulting correction constants are trained for historical data,in order to set the third determination threshold value,positive real numbers much smaller than 1.
Further, the step S7 includes:
step S7.1: scoring when detecting an in-frame person actionFor the frame before the pictureRecording the action scores of the persons in the frame picture to obtainScoring of human actions for successive frames, including(ii) a When in useWhen it is used, order;
Wherein the content of the first and second substances,a set fourth determination threshold;is a set positive integer;
step S7.2: meterIs obtained by calculation(ii) a When in useJudging the current detection frame as the initial detection frame; detecting the battery-like articles in the region O by a trained yolo model for any frame k from the initial detection frame; when battery-like articles exist in the region O, setting;
Wherein the content of the first and second substances,is a set fifth judgment threshold;scoring a continuous action; the definition of the region O is:
Wherein, the point in the region O is a set of all points meeting the condition in the detection scene;
and adding the blurred battery images into a yolo training model to obtain a yolo model of the battery article detection model.
Further, the method further includes step S8:
recording the number N of monitoring video frames from entering a charging pile area to leaving the charging pile area0;
Wherein the content of the first and second substances,is a set sixth determination threshold;is a set first calculation constant;is a set second calculation constant;,respectively set as a seventh judgment threshold and an eighth judgment threshold;,the first judgment threshold and the second judgment threshold are respectively set;and (4) an access correction constant trained for historical data.
Further, the method further includes step S9: when theft detection scoresAnd when the detection threshold TS is larger than the set detection threshold TS, the storage battery stealing behavior of the personnel is judged, and the personnel information is acquired and a real-time alarm is sent to the supervision personnel through the communication device.
Another object of the present invention is to provide a computer device/mobile terminal, comprising:
a memory for storing a computer program;
and the processor is used for executing the computer program in the memory so as to realize the operation steps of the battery anti-theft method based on the charging pile monitoring video.
Another object of the present invention is to provide a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the operation steps of the charging pile monitoring video-based battery theft prevention method.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a storage battery anti-theft method based on a charging pile monitoring video, compared with the prior art, when a storage battery car stops at a charging pile for charging, because no special person is located near the charging pile, the storage battery is easy to be stolen, and in the process of reconnaissance after the event, a policeman needs to watch a large amount of monitoring videos to search for stolen persons, so that a large amount of labor cost is consumed, and the efficiency is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic flow chart of a method according to an alternative embodiment of the present invention;
FIG. 2 is a diagram of a simulation of a detection scenario in accordance with an alternative embodiment of the present invention;
FIG. 3 is a schematic diagram of charging pile areas and human body key points in accordance with an alternative embodiment of the present invention;
FIG. 4 is a schematic diagram of a rectangular area for detection according to an alternative embodiment of the present invention;
fig. 5 is a schematic diagram of information of a battery car according to an alternative embodiment of the invention.
Legend labels:
1-charging pile area; 2-arm; 3-wrist; 4-the crotch bone; 5-neck; 6-detecting a rectangular area; 7-tyre; 8-battery car.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
See the method flow diagram shown in fig. 1. In a preferred embodiment provided by the invention, the battery anti-theft method based on the monitoring video of the charging pile comprises the following steps:
step S1: and deploying a monitoring camera in a charging pile area, acquiring a monitoring video of the monitoring camera in real time, and acquiring the width W and the height H of a monitoring picture.
Fig. 2 is a simulation diagram of a detection scenario according to an alternative embodiment of the present invention.
Step S2: and setting a charging pile area in the monitoring picture. The method specifically comprises the following steps:
four boundary points are set in the monitoring pictureAnd the four points are sequentially connected clockwise to form a charging pile area. The charging pile area covers the parking lot range in the monitoring picture in a perspective relation.
Fig. 3 is a schematic diagram of charging pile areas and human body key points according to an alternative embodiment of the invention.
Step S3: and judging whether personnel exist in the charging pile area or not. The method specifically comprises the following steps:
real-time acquisition of personnel coordinates in a monitoring screenAnd when the personnel coordinate meets a first condition, judging that the personnel enter a charging pile area. The first condition is:
step S4: when the person is judged to enter the charging pile area, acquiring the neck coordinate of the person in each frame of imageHip bone center point coordinatesArm coordinate,And wrist coordinates,Where i represents the number of frames. Initializing an item score for each frame。
Step S5: setting a detection rectangular area, acquiring the information of the storage battery car in the detection rectangular area, and acquiring the synchronous score of people and carsThe value is obtained. The method comprises the following specific steps:
step S5.1: setting the detection rectangular area asWhereinRespectively representing the horizontal coordinates of the top left corner vertex of the detection rectangular area, the vertical coordinates of the top left corner vertex, the width of the area and the height of the area; wherein the content of the first and second substances,
in the formula (I), the compound is shown in the specification,a width correction constant obtained by training historical data;a height correction constant obtained by training historical data;forward panning derived for historical data trainingThe constant of the correction is changed to be constant,;the inverse translation correction constants trained for historical data,;to identify the length of the diagonal of the portrait frame.
Step S5.2: using a trained yolov4 model to detect the rectangular areaCarrying out storage battery car detection; when the storage battery car exists in the region, setting the man-car synchronous score(ii) a When no battery car exists in the region, setting man-car synchronous scoring。
Fig. 4 is a schematic diagram of a rectangular detection area according to an alternative embodiment of the present invention.
Step S6: when the detection rectangular area has the battery car, the information of the tire square frame of the battery car is obtained, and the action score of the person is obtained. The method specifically comprises the following steps:
step S6.1: when the storage battery car exists in the detection rectangular area, acquiring a complete image of the storage battery car in a monitoring picture and identifying the square frame information of two groups of tires of the storage battery car. The two groups of tire square frame information are respectively,Wherein,The left vertex abscissa of the image box of the tire,,the vertical coordinate of the left vertex angle of the tire image box,,for the width of the square frame of the tire image,,the height of the box of the tire image.
Step S6.2: then obtaining the action score of the person,(ii) a Personnel action scoring when there is no battery car in the area。
in the formula (I), the compound is shown in the specification,anda contact correction constant and a separation correction constant obtained by training historical data;correcting the threshold value for the lower bound;scoring the contact distance;correcting the threshold value for the upper bound;scoring a junction;a first sub-score for the contact;is the exposure to the second sub-score.
in the formula (I), the compound is shown in the specification,,the first judgment threshold value and the second judgment threshold value are set.
in the formula (I), the compound is shown in the specification,the resulting correction constants are trained for historical data,in order to set the third determination threshold value,a positive real number much less than 1, such as 0.0001.
Fig. 5 is a schematic diagram of information of a battery car according to an alternative embodiment of the present invention.
Step S7: and detecting the battery items in the continuous picture area based on the personnel action scores to obtain a battery detection result. The method specifically comprises the following steps:
step S7.1: scoring when detecting an in-frame person actionFor the frame before the pictureRecording the action scores of the persons in the frame picture to obtainScoring of human actions for successive frames, including(ii) a When in useWhen it is used, order。
Wherein the content of the first and second substances,is a set fourth determination threshold;is a set positive integer, such as 10.
Step S7.2: is obtained by calculation(ii) a When in useJudging the current detection frame as the initial detection frame; detecting the battery-like articles in the region O by a trained yolo model for any frame k from the initial detection frame; when battery-like articles exist in the region O, setting。
Wherein the content of the first and second substances,is a set fifth judgment threshold;scoring a continuous motion; the definition of the region O is:
Where the points in region O are the set of all points within the detection scene that satisfy the condition.
Preferably, because standard storage battery detection error is great, so add some blurred storage battery images into training yolo model, obtain the yolo model of class storage battery article detection model, reduce and miss the judgement.
Based on the embodiment, based on the personnel action score and the storage battery detection result, the technical effect of the storage battery anti-theft method based on the charging pile monitoring video can be obtained.
Preferably, the embodiment may add the following steps.
Step S8: recording the number N of monitoring video frames from entering a charging pile area to leaving the charging pile area0。
Wherein, the first and the second end of the pipe are connected with each other,is a set sixth determination threshold;is a set first calculation constant;is a set second calculation constant;,respectively set as a seventh judgment threshold and an eighth judgment threshold;,respectively set as a ninth judgment threshold and a tenth judgment threshold;and (4) an access correction constant trained for historical data.
Preferably, the embodiment may add the following steps.
Step S9: score g when theft is detectedfWhen the TS is larger than the set detection threshold TS, the battery stealing behavior of the personnel is judged, and the personnel information is acquired to send a real-time alarm to the supervision personnel through the communication device.
Another embodiment of the present invention provides a computer device/mobile terminal based on the foregoing battery anti-theft method based on charging pile monitoring video, including:
a memory for storing a computer program;
and the processor is used for executing the computer program in the memory so as to realize the operation steps of the battery anti-theft method based on the charging pile monitoring video.
In order to load the above system and method for operation, the system may include more or less components than those described above, or combine some components, or different components, in addition to the various modules described above, for example, a monitoring camera, an input/output device, a network access device, a bus, a processor, a memory, and the like.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like which is the control center for the client or associated system and which connects the various parts of the overall user terminal using various interfaces and lines.
The memory can be used for storing computer and mobile phone programs and/or modules, and the processor can realize various functions of the client by running or executing the computer, the mobile phone programs and/or modules stored in the memory and calling data stored in the memory. The memory mainly comprises a storage program area and a storage data area, wherein the storage program area can store an operating system, application programs (such as an information acquisition template display function, a product information publishing function and the like) required by at least one function and the like; the storage data area may store data created according to the use of the berth-state display system (e.g., product information acquisition templates corresponding to different product types, product information that needs to be issued by different product providers, etc.), and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
In another embodiment of the present invention, on the basis of the foregoing battery anti-theft method based on charging pile monitoring video, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program, when being executed by a processor, implements the foregoing operating steps of the battery anti-theft method based on charging pile monitoring video.
It will be understood by those of ordinary skill in the art that all or part of the processes and modules in the above embodiments may be implemented by computer and mobile phone programs, hardware, and combinations thereof. The program may be stored in a non-volatile computer readable storage medium, and when executed, may implement processes including embodiments of the modules and methods described above.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A storage battery anti-theft method based on charging pile monitoring video is characterized by comprising the following steps:
step S1: deploying a monitoring camera in a charging pile area, acquiring a monitoring video of the monitoring camera in real time, and acquiring the width W and the height H of a monitoring picture;
step S2: setting a charging pile area in the monitoring picture;
step S3: judging whether personnel exist in the charging pile area or not;
step S4: when the person is judged to enter the charging pile area, acquiring the neck coordinate of the person in each frame of imageHip bone center point coordinatesArm coordinate,And wrist coordinates,Wherein i represents the number of frames; initializing the items of each frameIs divided into;
Step S5: setting a detection rectangular area, acquiring the information of the storage battery car in the detection rectangular area, and acquiring the synchronous score of people and carsA value;
step S6: when the battery car exists in the detection rectangular area, acquiring the information of a tire frame of the battery car, and acquiring a person action score;
step S7: and detecting the storage battery articles in the continuous picture area based on the personnel action score to obtain a storage battery detection result.
2. The method according to claim 1, wherein the setting of the charging pile area in the monitoring screen comprises:
3. The method of claim 2, wherein the determining whether personnel are present in the charging post area comprises:
real-time acquisition of personnel coordinates in a monitoring screenWhen the personnel coordinate meets a first condition, judging that the personnel enters a charging pile area; the first condition is:
4. the method of claim 3, wherein:
the setting of the detection rectangular area includes:
step S5.1: setting the detection rectangular area asWhereinRespectively representing the abscissa of the top left vertex of the detection rectangular region, the ordinate of the top left vertex, the width of the region and the height of the region; wherein the content of the first and second substances,
in the formula (I), the compound is shown in the specification,a width correction constant obtained by training historical data;a height correction constant obtained by training historical data;forward panning derived for historical data trainingThe constant of the correction is changed to be constant,;the inverse translation correction constants trained for historical data,;to identify the length of the diagonal of the portrait frame;
the battery car information in the detection rectangular region is obtained, and the man-car synchronous score is obtainedValues, including:
5. The method as claimed in claim 4, wherein the obtaining of the battery car tire square information and the obtaining of the personnel action score comprises:
step S6.1: when the storage battery car exists in the detection rectangular area, acquiring a complete image of the storage battery car in a monitoring picture and identifying information of two groups of tire square frames of the storage battery car; the two groups of tire square frame information are respectively,Wherein,The left vertex abscissa of the image box of the tire,,the vertical coordinate of the left vertex angle of the tire image box,,for the width of the square frame of the tire image,,high for the tire image square;
step S6.2: then obtaining the action score of the person,(ii) a Personnel action scoring when there is no battery car in the area;
in the formula (I), the compound is shown in the specification,anda contact correction constant and a separation correction constant obtained by training historical data;correcting the threshold for the lower bound;scoring the contact distance;correcting the threshold value for the upper bound;scoring the junction;a first sub-score for the contact;a second sub-score for exposure;
in the formula (I), the compound is shown in the specification,,setting a first judgment threshold value and a second judgment threshold value;
6. The method according to claim 5, wherein the step S7 includes:
step S7.1: scoring when detecting an in-frame person actionWhen, toBefore the frameRecording the action scores of the persons in the frame picture to obtainScoring of human actions for successive frames, including(ii) a When in useWhen it is used, make;
Wherein the content of the first and second substances,a set fourth determination threshold;is a set positive integer;
step S7.2: is obtained by calculation(ii) a When in useJudging the current detection frame as the initial detection frame; detecting the battery goods in the region O for any subsequent frame k from the initial detection frame through a trained yolo model; when battery-like articles exist in the region O, setting;
Wherein the content of the first and second substances,is a set fifth judgment threshold;scoring a continuous motion; the definition of the region O is:
Then(ii) a Wherein, the point in the region O is a set of all points meeting the condition in the detection scene;
and adding the blurred battery images into a yolo training model to obtain a yolo model of the battery article detection model.
7. The method according to claim 6, further comprising step S8:
recording the number N of monitoring video frames from entering a charging pile area to leaving the charging pile area0;
Wherein the content of the first and second substances,is a set sixth determination threshold;is a set first calculation constant;is a set second calculation constant;,respectively set as a seventh judgment threshold and an eighth judgment threshold;,respectively set as a ninth judgment threshold and a tenth judgment threshold;and (4) an access correction constant trained for historical data.
8. The method according to claim 7, further comprising step S9: when theft detection scoresAnd when the detection threshold TS is larger than the set detection threshold TS, the storage battery stealing behavior of the personnel is judged, and the personnel information is acquired and a real-time alarm is sent to the supervision personnel through the communication device.
9. A computer device/mobile terminal, comprising:
a memory for storing a computer program;
a processor for executing the computer program in the memory to carry out the operational steps of the method of any one of claims 1 to 8.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the operating steps of the method according to any one of claims 1 to 8.
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CN115009074A (en) * | 2022-07-21 | 2022-09-06 | 东莞先知大数据有限公司 | Charging pile electricity stealing behavior detection method, electronic equipment and storage medium |
CN115471787A (en) * | 2022-08-09 | 2022-12-13 | 东莞先知大数据有限公司 | Construction site object stacking detection method and device and storage medium |
CN115862241A (en) * | 2023-03-03 | 2023-03-28 | 江苏安能科技有限公司 | Charging pile region theft monitoring method |
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