WO2020052436A1 - 车辆超载报警方法、装置、电子设备及存储介质 - Google Patents
车辆超载报警方法、装置、电子设备及存储介质 Download PDFInfo
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- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
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Definitions
- the present application relates to the field of intelligent transportation technology, and in particular, to a method, a device, an electronic device, and a storage medium for a vehicle overload alarm.
- Overloading the vehicle will cause the vehicle's weight to increase, which will lead to an increase in vehicle braking distance and increased danger. Overloading a vehicle can also increase the load on the tire, causing it to deform or cause a flat tire, which can be dangerous. In addition, overload can also affect the steering performance of the vehicle, which can easily lead to accidents due to out-of-control steering. Drivers driving overloaded and overloaded vehicles often increase psychological burden and mental pressure, and are prone to operational errors, which can cause traffic accidents. And if an overloaded vehicle has a traffic accident, it will bring additional personal injury.
- the purpose of the embodiments of the present application is to provide a method, a device, an electronic device, and a storage medium for a vehicle overload alarm, so as to implement a vehicle overload alarm.
- Specific technical solutions are as follows:
- an embodiment of the present application provides a vehicle overload alarm method, where the method includes:
- Acquiring target image data including a vehicle to be detected; in the target image data, acquiring identification information of the vehicle to be detected; and determining a passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information; Determine whether there is a boarding or alighting behavior according to the target image data; if there is a boarding or alighting behavior, determine the number of people who board or alight; update the current number of passengers based on the number of people; The magnitude of the passenger carrying threshold is described; if the updated current passenger carrying capacity is greater than the passenger carrying threshold, an overload alarm for the vehicle to be detected is triggered.
- the identification information includes license plate information and model information; and determining the passenger carrying threshold of the vehicle to be detected according to the identification information.
- the current number of passengers including: acquiring the current number of passengers of the vehicle to be detected according to the license plate information; and acquiring the passenger number of the vehicle to be detected according to the model information.
- the identification information includes model information and license plate information
- the method further includes:
- the determining whether there is a boarding or getting off behavior based on the image data includes: detecting and analyzing the image data by using a pre-trained deep learning model to determine whether there is a boarding or getting off behavior; in advance;
- the process of training a deep learning model includes: obtaining multiple image data that includes boarding and alighting behaviors and multiple image data that does not include alighting and alighting behaviors; calibrating the image data including alighting and alighting behaviors as positive samples, and Image data is calibrated as negative samples to train the deep learning model to obtain a pre-trained deep learning model.
- determining the number of people who get on and off if there is a behavior of getting on and off includes: if there is a behavior of getting on and off, obtaining a video frame set including the behavior of getting on and off; identifying the waiting in the video frame set.
- Detect the vehicle position of the vehicle and the personnel position of each boarding and alighting person analyze the change of the position of each boarding and alighting person in accordance with the sequence order, and obtain the moving direction of each boarding and alighting person; Personnel, if the moving direction of the boarding person deviates from the vehicle position, it is determined that the boarding person gets off the vehicle; for each of the boarding persons, if the moving direction of the boarding person points to the vehicle position, the boarding person is determined The crew members get in the car.
- an embodiment of the present application provides a vehicle overload alarm device, where the device includes:
- An image data acquisition module for acquiring target image data including a vehicle to be detected
- An identification information acquisition module configured to acquire identification information of the vehicle to be detected in the target image data
- a first calculation module configured to determine a passenger carrying threshold of the vehicle to be detected and the current number of passengers according to the identification information
- a first judging module used for an image data acquisition module, for judging whether there is a boarding or getting off behavior according to the target image data
- a second calculation module configured to determine the number of people who get on and off if there is a boarding behavior
- a number of people updating module configured to update the current number of passengers according to the number of people getting on and off;
- a second judgment module configured to judge the updated current number of passengers and the magnitude of the passenger threshold
- the overload alarm module is configured to trigger an overload alarm for the vehicle to be detected if the updated current number of passengers is greater than the passenger threshold.
- the identification information includes license plate information and vehicle type information
- the first calculation module includes:
- a number of people acquisition submodule configured to obtain the current number of passengers of the vehicle to be detected according to the license plate information
- a threshold acquisition submodule is configured to acquire a passenger carrying threshold of the vehicle to be detected according to the vehicle model information.
- the identification information includes model information and license plate information
- the device further includes:
- a third determination module configured to determine whether the type of the vehicle to be detected is a decidable type according to the type information
- the first calculation module is specifically configured to:
- the vehicle type of the vehicle to be detected is a determinable vehicle type, determining a passenger carrying threshold corresponding to the vehicle type information according to the vehicle type information, and obtaining the passenger carrying threshold of the vehicle to be detected; and acquiring the vehicle based on the license plate information The current number of passengers on the vehicle to be tested.
- the first judgment module is specifically configured to:
- the process of pre-training a deep learning model includes:
- the image data including the boarding and alighting behaviors are labeled as positive samples, and the image data not including the boarding and alighting behaviors are labeled as negative samples.
- the deep learning model is trained to obtain a pre-trained deep learning model.
- the second calculation module includes:
- the video frame acquisition submodule is used to obtain a set of video frames including the boarding and alighting behavior if the boarding and alighting behavior exists;
- a position determining submodule configured to identify a vehicle position of the vehicle to be detected in the video frame set and a person position of each boarding and alighting person;
- a direction determining sub-module is configured to analyze a change in the position of each of the boarding and disembarking personnel in accordance with the time sequence order to obtain a moving direction of each of the boarding and disembarking personnel;
- a get-off determination sub-module is configured to determine, for each of the boarding and alighting persons, that the boarding and alighting person gets off the vehicle if the moving direction of the boarding and alighting person deviates from the vehicle position;
- a boarding determination sub-module is configured to determine, for each of the boarding and disembarking persons, that the boarding and disembarking person gets on the vehicle if the moving direction of the boarding and disembarking person points to the vehicle position.
- an embodiment of the present application provides an electronic device including a processor and a memory
- the memory is used to store a computer program; the processor is used to execute the program stored on the memory to implement the following method steps: obtaining target image data including a vehicle to be detected; and in the target image data Obtaining identification information of the vehicle to be detected; determining the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information; judging whether there is a boarding behavior based on the target image data; if there is a boarding behavior Vehicle behavior, determine the number of passengers; update the current number of passengers according to the number of passengers; determine the updated number of passengers and the threshold of the number of passengers; if the current number of passengers is greater than the number of passengers Said passenger carrying threshold triggers an overload alarm for the vehicle to be detected.
- the identification information includes license plate information and vehicle type information; and determining the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identifying information includes: according to the license plate Information to obtain the current number of passengers on the vehicle to be detected; and to obtain a passenger threshold on the vehicle to be detected according to the model information.
- the identification information includes model information and license plate information
- the processor is further configured to perform the following steps: according to the model information, determine whether the model of the vehicle to be detected is a determineable model ; Determining the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information includes: if the vehicle type of the vehicle to be detected is a determinable vehicle type, determining the vehicle type according to the vehicle type information The passenger carrying threshold corresponding to the information is used to obtain the passenger carrying threshold of the vehicle to be detected; according to the license plate information, the current number of passengers carrying the vehicle to be detected is obtained.
- the determining whether there is a boarding or getting off behavior based on the image data includes: detecting and analyzing the image data by using a pre-trained deep learning model to determine whether there is a boarding or getting off behavior; in advance;
- the process of training a deep learning model includes: obtaining multiple image data that includes boarding and alighting behaviors and multiple image data that does not include alighting and alighting behaviors; calibrating the image data including alighting and alighting behaviors as positive samples, and Image data is calibrated as negative samples to train the deep learning model to obtain a pre-trained deep learning model.
- determining the number of people who get on and off if there is a behavior of getting on and off includes: if there is a behavior of getting on and off, obtaining a video frame set including the behavior of getting on and off; identifying the waiting in the video frame set.
- Detect the vehicle position of the vehicle and the personnel position of each boarding and alighting person analyze the change of the position of each boarding and alighting person in accordance with the sequence order, and obtain the moving direction of each boarding and alighting person; for each of the boarding and alighting Personnel, if the moving direction of the boarding person deviates from the vehicle position, it is determined that the boarding person gets off the vehicle; for each of the boarding persons, if the moving direction of the boarding person points to the vehicle position, the boarding person is determined The crew members get in the car.
- an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements any one of the foregoing first aspects.
- Vehicle overload alarm method
- the vehicle overload alarm method, device, electronic device and storage medium provided in the embodiments of the present application obtain target image data including the vehicle to be detected; in the target image data, obtain identification information of the vehicle to be detected; and determine the to-be-detected according to the identification information.
- the passenger carrying threshold of the vehicle and the current number of passengers determine whether there are boarding and alighting behaviors based on the image data; if there are boarding and alighting behaviors, determine the number of passengers; The number of passengers and the passenger carrying threshold; if the updated current passenger carrying is greater than the passenger carrying threshold, an overload alarm for the vehicle to be detected is triggered.
- the target image data is used to determine the passenger carrying threshold of the vehicle to be detected and the current number of passengers.
- FIG. 1 is a schematic diagram of a vehicle overload alarm device according to an embodiment of the present application.
- FIG. 2a is a first schematic diagram of a method for judging the exercise direction of a person according to an embodiment of the present application
- FIG. 2b is a second schematic diagram of a method for judging an exercise direction of a person according to an embodiment of the present application
- 2c is a third schematic diagram of a method for judging the exercise direction of a person according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a vehicle overload alarm method according to an embodiment of the present application.
- FIG. 4 is another schematic flowchart of a vehicle overload alarm method according to an embodiment of the present application.
- FIG. 5 is another schematic diagram of a vehicle overload alarm device according to an embodiment of the present application.
- FIG. 6 is a schematic diagram of an electronic device according to an embodiment of the present application.
- Intelligent transportation It is established by the effective integration and application of information technology, data communication transmission technology, electronic sensing technology, control technology and computer technology in the entire ground traffic management system. Comprehensive transportation management system with real-time, accurate and efficient features. Its prominent feature is the main line of information collection, processing, release, exchange, analysis, and utilization, providing diversified services for traffic participants.
- Object detection Also called object extraction, is to extract objects of interest from complex background images.
- Image classification An image processing method that distinguishes different types of objects according to the different characteristics of the objects reflected in the image information. It uses a computer to perform quantitative analysis on the image, and classifies each pixel or area in the image or image into one of several categories to replace human visual interpretation.
- Target recognition Used to separate the specified target from other targets.
- CNN Convolutional Neural Networks
- It is the first learning algorithm that can successfully train multi-layer network structures. It uses spatial relationships to reduce the number of parameters that need to be learned to improve the training performance of the general forward BP (Error Back Propagation) algorithm.
- Faster RCNN (Faster, Regions, Convolutional, Neural, Network): It is based on deep learning RCNN (Regions With Convolutional Neural Network Features) series of best method for target detection. It is a framework for CNN network to achieve end-to-end target detection. Where R corresponds to Region.
- YOLO (You Only Look Once): YOLO is a very successful real-time target detection algorithm. It has become an important part of many classifiers, segmentation, human pose and behavior classification, and it is a CNN network's end-to-end target detection framework.
- the vehicle overload alarm method, device, electronic equipment and storage medium in the embodiments of the present application can be applied to urban road monitoring video analysis. By judging the vehicle model and counting the number of passengers who visit the vehicle within a short period of time, it can be determined whether the vehicle has an overcrowding behavior. And by recording the license plate number, this behavior is used to regulate the behavior of vehicles by the transportation department.
- a vehicle overload alarm device includes: a license plate recognition module 101, a vehicle model recognition module 102, a boarding and statistics counting module 103, and a discrimination alarm module 104.
- the license plate recognition module 101 is used to identify the license plate of the vehicle
- the vehicle model recognition module 102 is used to identify the vehicle model. It is relatively mature in the related technology and can directly reuse the related technology.
- the judging and alarming module 104 is configured to perform an alarm when the number of persons carried by the vehicle exceeds the threshold of the number of persons carried by the vehicle.
- the boarding and embarkation statistics module 103 is used to count the number of people boarding and disembarking a vehicle. Statistics of pedestrians on both sides of the vehicle can be used to achieve statistics of boarding and disembarking behavior. Among them, for each pedestrian's boarding and alighting behavior, a pedestrian is detected by a target detection algorithm; a pedestrian trajectory is generated; and a boarding and alighting behavior is discriminated according to the trajectory direction. Calculate the total number of people getting on and off by integrating the behavior of each pedestrian, and then get the number of people carrying the vehicle.
- the video data is detected by an object detection algorithm, and the position of the pedestrian is detected as shown by a rectangular box in FIG. 2a.
- the overlap is greater than 0.5, and the two frames are associated Target (pedestrian) in the video frame.
- the pedestrian detection results for multiple frames of associated video frames are shown in Figure 2c, where # 1, # 2, # 3, and # 4 are the positions of the targets in the four-frame video frames, respectively.
- # 1, # 2, # 3, and # 4 are the positions of the targets in the four-frame video frames, respectively.
- the actual number of associated frames can be set during the actual detection process.
- the pedestrian trajectory direction is calculated as leaving the vehicle, and it is determined as alighting behavior.
- the process of the vehicle overload alarm method according to the embodiment of the present application can be shown in FIG. 3.
- the overload behavior can be automatically identified.
- the overtaking vehicle is located and recorded. Violations will help strengthen traffic management's monitoring of overloading.
- the monitoring equipment used to collect images in the embodiments of the present application can be off-board, and can directly use public monitoring equipment for urban transportation, which brings the advantage that the regulatory department does not need to install equipment on each vehicle to be monitored, but only needs to In the existing urban intelligent traffic monitoring system, the above functions can be added to complete the capture of overload behavior, and the cost is greatly reduced. And it can reduce the situation of human interference by the supervised person, such as: damage or obstruction of the vehicle camera by smearing, blocking, adjusting the camera direction, etc. And can be combined with models to determine the overload of vehicles of different models. For example, the maximum number of passengers under a taxi is four, and the maximum number of passengers under a regular car is five.
- an embodiment of the present application provides a vehicle overload alarm method. Referring to FIG. 4, the method includes:
- the vehicle overload alarm method in the embodiment of the present application may be implemented by an alarm system, and the alarm system is any system capable of implementing the vehicle overload alarm method in the embodiment of the present application.
- the alarm system is any system capable of implementing the vehicle overload alarm method in the embodiment of the present application.
- the alarm system may be a kind of equipment, including: a processor, a memory, a communication interface, and a bus; the processor, the memory, and a communication interface are connected through the bus and complete communication with each other; the memory stores executable program code; and the processor reads the memory by The executable program code stored in the program is used to run a program corresponding to the executable program code, and is used to execute the vehicle overload alarm method in the embodiment of the present application.
- the alarm system may also be an application program for executing the vehicle overload alarm method in the embodiment of the present application during operation.
- the alarm system may also be a storage medium for storing executable code, and the executable code is used to execute the vehicle overload alarm method in the embodiment of the present application.
- the alarm system acquires the image data containing the vehicle to be detected through the image acquisition device, that is, the target image data.
- the image acquisition device may be a device such as a camera.
- the image acquisition device is a camera in an urban traffic monitoring system.
- the target image data is analyzed to obtain the identification information of the vehicle to be detected, and the identification information is used to uniquely identify the vehicle to be detected.
- the target image data is analyzed by RCNN, Faster RCNN, or YOLO to obtain the license plate information of the vehicle to be detected.
- S403. Determine the passenger carrying threshold of the vehicle to be detected and the current number of passengers according to the identification information.
- the identification information is the unique identification information of the vehicle.
- the alarm system will keep a record of the current number of passengers carried by each vehicle.
- each vehicle will correspond to the corresponding passenger threshold.
- the passenger threshold of the vehicle is set according to relevant traffic regulations, for example, type
- the passenger-carrying threshold corresponding to a taxi-based vehicle is 4, and the passenger-carrying threshold corresponding to a type of private car is 5, and so on.
- the alarm system will keep a record of the current number of passengers in each vehicle.
- the vehicle at the parking point starts, it will obtain the video data before and after the vehicle starts as the target video data.
- the initial current number of passengers in the vehicle is 0.
- the vehicle overload alarm method of the embodiment updates the current number of passengers carried by the vehicle. Subsequently, the vehicle overload alarm method of the embodiment of the present application continues to keep a record of the current number of passengers carried by the vehicle.
- the alarm system can obtain the current number of passengers of the vehicle indicated by the identification information from the records according to the identification information.
- S404 Determine whether there is a boarding or getting off behavior based on the target image data.
- the alarm system analyzes the target image data through a preset algorithm, such as a feature comparison algorithm or a neural network algorithm, to determine whether there is a boarding or getting off behavior.
- a preset algorithm such as a feature comparison algorithm or a neural network algorithm
- the above determining whether there is a boarding or getting off behavior based on the image data includes:
- the process of pre-training a deep learning model includes:
- Step 1 Obtain a plurality of image data including a boarding behavior and a plurality of image data not including a boarding behavior.
- Step 2 The image data including the boarding and alighting behaviors are labeled as positive samples, and the image data not including the boarding and alighting behaviors are labeled as negative samples to train the deep learning model to obtain a pre-trained deep learning model.
- the deep learning model here can be Faster RCNN, YOLO, RCNN, or DMP (Deformable Parts Model).
- the alarm system determines the number of people boarding or alighting. For example, the alarm system can analyze pre-trained convolutional neural networks to analyze the video frames containing the boarding and getting-off behavior in the target video data to determine the number of people getting on and off.
- the steps of a pre-trained convolutional neural network include:
- Step 1 Obtain a plurality of first image data including a boarding behavior and a plurality of second image data not including a boarding behavior.
- Step 2 Calibrate the boarding behavior and the number of people in the first image data of each first image data, and calibrate the getting off behavior and the number of people in the vehicle behavior in each image data to obtain the calibrated first image data.
- Step three training the convolutional neural network by using the calibrated first image data as positive samples and using the second image data as negative samples to obtain a pre-trained convolutional neural network.
- the alarm system Each time the alarm system detects a person getting off the vehicle, the current passenger number of the vehicle to be detected is reduced by 1, and each time a person is detected on the vehicle, the alarm system increases the current passenger number of the vehicle to be detected by 1 to update the current passenger number.
- S407 Determine the updated current number of passengers and the magnitude of the above-mentioned passenger threshold.
- the alarm system triggers an overload alarm for the vehicle to be detected.
- the alarm system notifies the subscriber of the identification information of the vehicle to be detected and the number of passengers currently loaded, and can also alert the location of the vehicle to be detected.
- the location of the vehicle to be detected can be Obtained through a camera that collects target video data.
- an automatic alarm for vehicle overload can be realized, and the monitoring equipment for collecting target image data may be off-board, and the public monitoring equipment for urban traffic can be directly used to collect target image data.
- the supervisory authority does not need to To install equipment on the vehicle to be monitored, it is only necessary to add the above functions to the existing urban intelligent traffic monitoring system to complete the capture of overload behavior, the cost is greatly reduced, and the situation of human interference by the supervised person can be reduced.
- the identification information includes license plate information and vehicle type information.
- determining the passenger carrying threshold of the vehicle to be detected and the current number of passengers according to the identification information includes:
- Step 1 Obtain the current number of passengers of the vehicle to be detected according to the license plate information.
- the alarm system stores the number of passengers carried by each vehicle in a designated memory. When needed, the alarm system reads the current number of passengers of the vehicle to be detected in the memory according to the license plate information.
- Step 2 Obtain the passenger carrying threshold of the vehicle to be detected according to the vehicle model information.
- the passenger carrying threshold corresponding to the vehicle type of the vehicle to be detected that is, the passenger carrying threshold of the vehicle to be detected.
- the taxi passenger carrying threshold is 4 persons
- the ordinary passenger car carrying passenger threshold is 5 persons. .
- the vehicle to be detected can be uniquely determined through the license plate information, and the passenger carrying threshold of the vehicle to be detected can be determined through the vehicle type information, which is convenient and quick.
- the identification information includes model information and license plate information
- the method further includes:
- the vehicle type information it is determined whether the vehicle type of the vehicle to be detected is a determinable vehicle type.
- determining the passenger carrying threshold of the vehicle to be detected and the current number of passengers according to the identification information includes:
- the vehicle type of the vehicle to be detected is a determinable vehicle type
- the alarm system determines that the model of the vehicle to be detected is not a determinable model, and ends the overload determination.
- the decidable model can be set according to the actual situation.
- the decidable model can include taxis, private cars, and business cars.
- the alarm system can set the decidable vehicle type, and only the designated vehicle type is used to get on and off behaviors and subsequent determinations, which can avoid overload determination of vehicles outside the decidable vehicle type and save computing resources.
- determining the number of people boarding and alighting includes:
- Step 1 If there is a boarding and alighting behavior, obtain a video frame set including the boarding and alighting behavior.
- the alarm system determines that the target video data has a boarding and alighting behavior
- the alarm system extracts a set of video frames containing the characteristics of the boarding and alighting behavior.
- Step 2 Identify the vehicle position of the vehicle to be detected in the video frame set and the personnel positions of each boarding and alighting person.
- the alarm system uses a target recognition algorithm to determine the vehicle position of the vehicle to be detected and the personnel position of each boarding and alighting person in each video frame of the video frame set.
- Step 3 According to the time sequence, the change of the position of each of the boarding and alighting personnel is analyzed to obtain the moving direction of each of the boarding and alighting personnel.
- the change of the position of the boarding and disembarking personnel is analyzed to obtain the moving direction of the boarding and disembarking personnel.
- the target tracking algorithm is used to determine the change of the position of the boarding and alighting person to obtain the moving direction of the boarding and alighting person; or by calculating the change of the center position of the boarding and alighting person position, The direction of movement of the vehicle personnel.
- the center point of the person position of the boarding and disembarking personnel is selected, where the coordinates of the center point are expressed as (X i , Y i ).
- X i represents the X coordinate of the i-th video frame
- Y i represents the Y coordinate of the i-th video frame
- the value of i ranges from [1, N]
- N is the number of video frames.
- t is a smooth interval, which can be 1-5.
- the judge moves in the positive direction of the X axis, otherwise the judge moves in the negative direction of the X axis.
- Step 4 For each of the boarding and alighting persons, if the moving direction of the boarding and alighting person deviates from the vehicle position, it is determined that the boarding and alighting person gets out of the vehicle.
- Step 5 For each of the boarding and disembarking persons, if the moving direction of the boarding and disembarking person points to the vehicle position, it is determined that the boarding and disembarking person gets on the vehicle.
- An embodiment of the present application further provides a vehicle overload alarm device.
- the device includes:
- the image data acquisition module 501 is configured to acquire target image data including a vehicle to be detected.
- the identification information obtaining module 502 is configured to obtain the identification information of the vehicle to be detected in the target image data.
- the first calculation module 503 is configured to determine the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information.
- the first determination module 504 is used for an image data acquisition module, and is configured to determine whether there is a boarding or getting off behavior based on the target image data.
- the second calculation module 505 is configured to determine the number of people who get on and off if there is a behavior of getting on or off the vehicle.
- the number of people updating module 506 is configured to update the current number of passengers according to the number of people getting on and off the bus.
- the second determining module 507 is configured to determine the updated current number of passengers and the magnitude of the above-mentioned passenger threshold.
- the overload alarm module 508 is configured to trigger an overload alarm for the vehicle to be detected if the updated current number of passengers is greater than the aforementioned passenger threshold.
- an automatic alarm for vehicle overload can be realized, and the monitoring equipment for collecting target image data may be off-board, and the public monitoring equipment for urban traffic can be directly used to collect target image data.
- the supervisory authority does not need to To install equipment on the vehicle to be monitored, it is only necessary to add the above functions to the existing urban intelligent traffic monitoring system to complete the capture of overload behavior, the cost is greatly reduced, and the situation of human interference by the supervised person can be reduced.
- the identification information includes license plate information and vehicle type information
- the first calculation module 503 includes:
- the number of people acquisition submodule is configured to obtain the current number of passengers of the vehicle to be detected according to the license plate information.
- the threshold acquisition submodule is configured to acquire the passenger carrying threshold of the vehicle to be detected according to the vehicle model information.
- the identification information includes model information and license plate information
- the device further includes:
- the third determining module is configured to determine whether the vehicle type of the vehicle to be detected is a determineable vehicle type according to the vehicle type information.
- the first calculation module 503 is specifically configured to:
- the vehicle type of the vehicle to be detected is a determinable vehicle type
- the first determining module 504 is specifically configured to:
- the process of pre-training a deep learning model includes:
- the image data including the boarding and alighting behaviors are labeled as positive samples, and the image data not including the boarding and alighting behaviors are labeled as negative samples.
- the deep learning model is trained to obtain a pre-trained deep learning model.
- the foregoing second calculation module 505 includes:
- the video frame acquisition submodule is used to obtain a set of video frames including the boarding and alighting behavior if the boarding and alighting behavior exists;
- a position determining sub-module is configured to identify a vehicle position of the vehicle to be detected and a person position of each boarding and alighting person in the video frame set.
- the direction determining sub-module is configured to analyze a change in the position of each of the persons boarding and disembarking in accordance with the time sequence order to obtain the moving direction of each of the persons boarding and disembarking.
- a get-off determination sub-module is configured to determine, for each of the boarding and disembarking persons, that the boarding and disembarking person gets off the vehicle if the moving direction of the boarding and disembarking person deviates from the vehicle position.
- the boarding determination sub-module is configured to determine, for each of the boarding and alighting persons, that the boarding and alighting person is on board if the moving direction of the boarding and alighting person points to the vehicle position.
- An embodiment of the present application provides an electronic device, as shown in FIG. 6, including a processor 601 and a memory 602.
- the memory 602 is configured to store a computer program, and the processor 601 is configured to execute the following steps when the program stored in the memory 602 is executed:
- target image data including the vehicle to be detected; in the target image data, obtain the identification information of the vehicle to be detected; determine the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information; and according to the target image Data to determine whether there is a boarding and alighting behavior; if there is a boarding and alighting behavior, determine the number of people boarding and alighting; update the current number of passengers based on the number of people aboard; The updated current number of passengers is greater than the above-mentioned passenger threshold, which triggers an overload alarm for the vehicle to be detected.
- an automatic alarm for vehicle overload can be realized, and the monitoring equipment for collecting target image data may be off-board, and the public monitoring equipment for urban traffic can be directly used to collect target image data.
- the supervisory authority does not need to To install equipment on the vehicle to be monitored, it is only necessary to add the above functions to the existing urban intelligent traffic monitoring system to complete the capture of overload behavior, the cost is greatly reduced, and the situation of human interference by the supervised person can be reduced.
- the identification information includes license plate information and vehicle type information; and determining the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information includes: obtaining the waiting information according to the license plate information. Detect the current number of passengers on the vehicle; obtain the passenger threshold for the vehicle to be detected according to the model information.
- the identification information includes model information and license plate information
- the processor is further configured to perform the following steps: determine whether the model of the vehicle to be detected is a determinable model according to the model information; Identification information to determine the passenger carrying threshold of the vehicle to be detected and the current number of passengers, including: if the vehicle type of the vehicle to be detected is a determinable vehicle type, determining the passenger carrying threshold corresponding to the vehicle type information according to the vehicle type information, and obtaining the passenger waiting value Detect the passenger carrying threshold of the vehicle; obtain the current number of passengers of the vehicle to be detected according to the license plate information.
- the above-mentioned determining whether to get on or off based on the image data includes: detecting and analyzing the above-mentioned image data by using a pre-trained deep learning model to determine whether there is a getting-on or off behavior; pre-training deep learning
- the process of the model includes: obtaining multiple image data including the behavior of getting on and off the vehicle and multiple image data not including the behavior of getting on and off the vehicle; calibrating the image data including the behavior of getting on and off the vehicle as a positive sample, and calibrating the image data not including the behavior of getting on and off the vehicle
- the deep learning model is trained for negative samples to obtain a pre-trained deep learning model.
- determining the number of people boarding and alighting includes: obtaining a video frame set including the boarding and alighting behavior if there is a boarding and alighting behavior; and identifying the vehicle to be detected in the video frame set.
- Vehicle position and personnel position of each boarding and alighting person According to the time sequence, analyze the change of the position of each of the boarding and alighting person to obtain the moving direction of each boarding and alighting person; The moving direction of the person deviates from the vehicle position, and the boarding person is determined to get off; for each of the boarding persons, if the moving direction of the boarding person points to the vehicle position, the boarding person is determined to get on.
- the processor 601 when the processor 601 is configured to execute a program stored in the memory 602, the processor 601 can also implement any of the foregoing methods for warning an overload of a vehicle.
- the electronic device in the embodiment of the present application further includes a communication interface and a communication bus, wherein the processor 601, the communication interface, and the memory 602 complete communication with each other through the communication bus.
- the communication bus mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc.
- PCI Peripheral Component Interconnect
- EISA Extended Industry Standard Architecture
- the communication bus can be divided into an address bus, a data bus, a control bus, and the like.
- the figure only uses a thick line to represent, but it does not mean that there is only one bus or one type of bus.
- the communication interface is used for communication between the aforementioned electronic device and other devices.
- the memory may include Random Access Memory (RAM), and may also include Non-Volatile Memory (NVM), such as at least one disk memory.
- RAM Random Access Memory
- NVM Non-Volatile Memory
- the memory may also be at least one storage device located far from the foregoing processor.
- the aforementioned processor may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc .; it may also be a digital signal processor (Digital Signal Processing, DSP), special integration Circuit (Application Specific Integrated Circuit, ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
- CPU central processing unit
- NP network processor
- DSP Digital Signal Processing
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- An embodiment of the present application further provides a computer-readable storage medium.
- a computer program is stored in the computer-readable storage medium. When the computer program is executed by a processor, the following steps are implemented:
- target image data including the vehicle to be detected; in the target image data, obtain the identification information of the vehicle to be detected; determine the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information; and according to the target image Data to determine whether there is a boarding and alighting behavior; if there is a boarding and alighting behavior, determine the number of people boarding and alighting; update the current number of passengers based on the number of people boarding and alighting; determine the size of the updated current number of passengers and the threshold of the number of passengers; The updated current number of passengers is greater than the above-mentioned passenger threshold, which triggers an overload alarm for the vehicle to be detected.
- an automatic alarm for vehicle overload can be realized, and the monitoring equipment for collecting target image data may be off-board, and the public monitoring equipment for urban traffic can be directly used to collect target image data.
- the supervisory authority does not need to To install equipment on the vehicle to be monitored, it is only necessary to add the above functions to the existing urban intelligent traffic monitoring system to complete the capture of overload behavior, the cost is greatly reduced, and the situation of human interference by the supervised person can be reduced.
- any one of the foregoing vehicle overload alarm methods can also be implemented.
- An embodiment of the present application further provides a computer program product.
- the computer program product is executed by a computer, the following steps are implemented:
- target image data including the vehicle to be detected; in the target image data, obtain the identification information of the vehicle to be detected; determine the passenger carrying threshold and the current number of passengers of the vehicle to be detected according to the identification information; and according to the target image Data to determine whether there is a boarding and alighting behavior; if there is a boarding and alighting behavior, determine the number of people boarding and alighting; update the current number of passengers based on the number of people boarding and alighting; determine the size of the updated current number of passengers and the threshold of the number of passengers; The updated current number of passengers is greater than the above-mentioned passenger threshold, which triggers an overload alarm for the vehicle to be detected.
- an automatic alarm for vehicle overload can be realized, and the monitoring equipment for collecting target image data may be off-board, and the public monitoring equipment for urban traffic can be directly used to collect target image data.
- the supervisory authority does not need to To install equipment on the vehicle to be monitored, it is only necessary to add the above functions to the existing urban intelligent traffic monitoring system to complete the capture of overload behavior, the cost is greatly reduced, and the situation of human interference by the supervised person can be reduced.
- any one of the foregoing vehicle overload alarm methods can also be implemented.
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Abstract
Description
Claims (16)
- 一种车辆超载报警方法,其特征在于,所述方法包括:获取包含待检测车辆的目标图像数据;在所述目标图像数据中,获取所述待检测车辆的识别信息;按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数;根据所述目标图像数据,判断是否存在上下车行为;若存在上下车行为,确定上下车人数;按照所述上下车人数,更新所述当前载客数;判断更新后的当前载客数与所述载客阈值的大小;若更新后的当前载客数大于所述载客阈值,触发针对所述待检测车辆的超载报警。
- 根据权利要求1所述的方法,其特征在于,所述识别信息包括车牌信息及车型信息;所述按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数,包括:按照所述车牌信息,获取所述待检测车辆的当前载客数;按照所述车型信息,获取所述待检测车辆的载客阈值。
- 根据权利要求1所述的方法,其特征在于,所述识别信息包括车型信息及车牌信息,所述方法还包括:按照所述车型信息,判断所述待检测车辆的车型是否为可判定车型;所述按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数,包括:若所述待检测车辆的车型为可判定车型,按照所述车型信息,确定所述车型信息对应的载客阈值,得到所述待检测车辆的载客阈值;按照所述车牌信息,获取所述待检测车辆的当前载客数。
- 根据权利要求1所述的方法,其特征在于,所述根据所述图像数据,判断是否存在上下车行为,包括:通过预先训练的深度学习模型对所述图像数据进行检测分析,判断是否存在上下车行为;预先训练深度学习模型的过程包括:获取多个包含上下车行为的图像数据及多个不包含上下车行为的图像数据;将包含上下车行为的图像数据标定为正样本,将不包含上下车行为的图像数据标定为负样本对深度学习模型进行训练,得到预先训练的深度学习模型。
- 根据权利要求1所述的方法,其特征在于,所述若存在上下车行为,确定上下车人数,包括:若存在上下车行为,获取包含上下车行为的视频帧集合;识别所述视频帧集合中所述待检测车辆的车辆位置及各上下车人员的人员位置;按照时序顺序,分析各所述上下车人员的人员位置的变化情况,得到各所述上下车人员的移动方向;针对每个所述上下车人员,若该上下车人员的移动方向背离所述车辆位置,判定该上下车人员下车;针对每个所述上下车人员,若该上下车人员的移动方向指向所述车辆位置,判定该上下车人员上车。
- 一种车辆超载报警装置,其特征在于,所述装置包括:图像数据获取模块,用于获取包含待检测车辆的目标图像数据;识别信息获取模块,用于在所述目标图像数据中,获取所述待检测车辆的识别信息;第一计算模块,用于按照所述识别信息,确定所述待检测车辆的载客阈 值及当前载客数;第一判断模块,用于图像数据获取模块,用于根据所述目标图像数据,判断是否存在上下车行为;第二计算模块,用于若存在上下车行为,确定上下车人数;人数更新模块,用于按照所述上下车人数,更新所述当前载客数;第二判断模块,用于判断更新后的当前载客数与所述载客阈值的大小;超载报警模块,用于若更新后的当前载客数大于所述载客阈值,触发针对所述待检测车辆的超载报警。
- 根据权利要求6所述的装置,其特征在于,所述识别信息包括车牌信息及车型信息;所述第一计算模块,包括:人数获取子模块,用于按照所述车牌信息,获取所述待检测车辆的当前载客数;阈值获取子模块,用于按照所述车型信息,获取所述待检测车辆的载客阈值。
- 根据权利要求6所述的装置,其特征在于,所述识别信息包括车型信息及车牌信息,所述装置还包括:第三判定模块,用于按照所述车型信息,判断所述待检测车辆的车型是否为可判定车型;所述第一计算模块,具体用于:若所述待检测车辆的车型为可判定车型,按照所述车型信息,确定所述车型信息对应的载客阈值,得到所述待检测车辆的载客阈值;按照所述车牌信息,获取所述待检测车辆的当前载客数。
- 根据权利要求6所述的装置,其特征在于,所述第一判断模块,具体用于:通过预先训练的深度学习模型对所述图像数据进行检测分析,判断是否存在上下车行为;其中,预先训练深度学习模型的过程包括:获取多个包含上下车行为的图像数据及多个不包含上下车行为的图像数据;将包含上下车行为的图像数据标定为正样本,将不包含上下车行为的图像数据标定为负样本对深度学习模型进行训练,得到预先训练的深度学习模型。
- 根据权利要求6所述的装置,其特征在于,所述第二计算模块,包括:视频帧获取子模块,用于若存在上下车行为,获取包含上下车行为的视频帧集合;位置确定子模块,用于识别所述视频帧集合中所述待检测车辆的车辆位置及各上下车人员的人员位置;方向确定子模块,用于按照时序顺序,分析各所述上下车人员的人员位置的变化情况,得到各所述上下车人员的移动方向;下车判定子模块,用于针对每个所述上下车人员,若该上下车人员的移动方向背离所述车辆位置,判定该上下车人员下车;上车判定子模块,用于针对每个所述上下车人员,若该上下车人员的移动方向指向所述车辆位置,判定该上下车人员上车。
- 一种电子设备,其特征在于,包括处理器及存储器;所述存储器,用于存放计算机程序;所述处理器,用于执行所述存储器上所存放的程序时,实现如下方法步骤:获取包含待检测车辆的目标图像数据;在所述目标图像数据中,获取所述待检测车辆的识别信息;按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数;根据所述目标图像数据,判断是否存在上下车行为;若存在上下车行为,确定上下车人数;按照所述上下车人数,更新所述当前载客数;判断更新后的当前载客数与所述载客阈值的大小;若更新后的当前载客数大于所述载客阈值,触发针对所述待检测车辆的超载报警。
- 根据权利要求11所述的电子设备,其特征在于,所述识别信息包括车牌信息及车型信息;所述按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数,包括:按照所述车牌信息,获取所述待检测车辆的当前载客数;按照所述车型信息,获取所述待检测车辆的载客阈值。
- 根据权利要求12所述的电子设备,其特征在于,所述识别信息包括车型信息及车牌信息,所述处理器还用于执行如下步骤:按照所述车型信息,判断所述待检测车辆的车型是否为可判定车型;所述按照所述识别信息,确定所述待检测车辆的载客阈值及当前载客数,包括:若所述待检测车辆的车型为可判定车型,按照所述车型信息,确定所述车型信息对应的载客阈值,得到所述待检测车辆的载客阈值;按照所述车牌信息,获取所述待检测车辆的当前载客数。
- 根据权利要求11所述的电子设备,其特征在于,所述根据所述图像数据,判断是否存在上下车行为,包括:通过预先训练的深度学习模型对所述图像数据进行检测分析,判断是否存在上下车行为;预先训练深度学习模型的过程包括:获取多个包含上下车行为的图像数据及多个不包含上下车行为的图像数据;将包含上下车行为的图像数据标定为正样本,将不包含上下车行为的图像数据标定为负样本对深度学习模型进行训练,得到预先训练的深度学习模型。
- 根据权利要求11所述的电子设备,其特征在于,所述若存在上下车行为,确定上下车人数,包括:若存在上下车行为,获取包含上下车行为的视频帧集合;识别所述视频帧集合中所述待检测车辆的车辆位置及各上下车人员的人员位置;按照时序顺序,分析各所述上下车人员的人员位置的变化情况,得到各所述上下车人员的移动方向;针对每个所述上下车人员,若该上下车人员的移动方向背离所述车辆位置,判定该上下车人员下车;针对每个所述上下车人员,若该上下车人员的移动方向指向所述车辆位置,判定该上下车人员上车。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质内存储有计算机程序,所述计算机程序被处理器执行时实现权利要求1-5任一所述的方法步骤。
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