WO2022156520A1 - 一种云路协同的自动驾驶模型训练、调取方法及*** - Google Patents
一种云路协同的自动驾驶模型训练、调取方法及*** Download PDFInfo
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- the present application relates to the technical field of automatic driving, and in particular to a cloud-road collaborative automatic driving model training and retrieval method and system.
- the technical problem to be solved by this application is to overcome the defect that the existing automatic driving technology cannot perform individualized training and optimization for factors such as individuals or road sections, so as to provide a cloud-road collaborative automatic driving model training , and retrieval method and system.
- an embodiment of the present application provides a cloud-road collaborative automatic driving model training method, including the following steps:
- the vehicle-mounted sensing equipment sends the collected vehicle status data to the roadside equipment in real time through the IoV protocol;
- the roadside equipment merges the newly uploaded data from the vehicle-mounted sensing equipment with the previously stored data into a data set, and preprocesses the data set;
- the on-board controller controls the preprocessed data set to be trained and updated on the roadside equipment for automatic driving model training, or controls the transmission of the preprocessed data set to the cloud server for automatic driving model training update;
- the updated model is uploaded to the cloud server;
- the preprocessed data set is transmitted to the cloud server through Ethernet, and the automatic driving model is trained together with the data set in the cloud server, and the updated automatic driving model is fed back to the roadside equipment.
- the data newly uploaded by the in-vehicle sensing device includes: the driver's intervention data on the driving behavior formed under the guidance of an existing automatic driving model.
- the preprocessing process includes performing ground truth labeling and data cleaning according to the driver's intervention data.
- spatial downsampling, spatial feature extraction and spatial information reconstruction are sequentially performed.
- an embodiment of the present application provides a cloud-road collaborative automatic driving model retrieval method, including the following steps:
- the automatic driving model in the roadside equipment is called to guide the vehicle's automatic driving behavior.
- the automatic driving behavior in the cloud server is called.
- the model guides the automatic driving behavior of the vehicle, and the automatic driving model is obtained based on the automatic driving model training method of cloud-road collaboration described in the first aspect.
- the preset range is determined according to the range and frequency of the historical trajectory of the vehicle.
- an embodiment of the present application provides a cloud-road collaborative automatic driving model training system, including: a vehicle-mounted sensing device, a vehicle-mounted controller, and a cloud server, wherein:
- In-vehicle sensing equipment which is used to send the collected vehicle status data to roadside equipment in real time through the Internet of Vehicles protocol;
- the roadside equipment is used to combine the newly uploaded data of the vehicle-mounted sensor equipment with the previously stored data into a data set, and to preprocess the data set;
- the vehicle-mounted controller is used to control the automatic driving model training and updating of the pre-processed data set on the roadside equipment, or to control the transmission of the pre-processed data set to the cloud server for automatic driving model training and updating;
- the roadside equipment is also used to train and update the automatic driving model on the roadside equipment based on the preprocessed data set, and upload the updated model to the cloud server;
- the cloud server is used to obtain the data set preprocessed by the roadside equipment and train the automatic driving model with the stored data set, and feed back the updated automatic driving model to the roadside equipment.
- the application embodiments provide a cloud-road collaborative automatic driving model retrieval system, including:
- the vehicle location information acquisition module is used to acquire the vehicle location or the navigation path of the vehicle;
- the automatic driving model retrieval module is used to fetch the automatic driving model in the roadside equipment to guide the automatic driving behavior of the vehicle when the vehicle positioning or the navigation path of the vehicle is within the preset range, and when it is not within the preset range , calling the automatic driving model in the cloud server to guide the vehicle on automatic driving behavior, and the automatic driving model is obtained based on the automatic driving model training method of cloud-road collaboration described in the first aspect.
- the embodiments of the present application provide a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the computer instructions are used to cause the computer to execute the second aspect of the embodiments of the present application.
- the cloud-road collaborative automatic driving model retrieval method is used to cause the computer to execute the second aspect of the embodiments of the present application.
- an embodiment of the present application provides a terminal, including: a memory and a processor, the memory and the processor are connected in communication with each other, the memory stores computer instructions, and the processor executes the The computer instructions are used to execute the cloud-road collaborative automatic driving model retrieval method described in the second aspect of the embodiments of the present application.
- the cloud-road collaborative automatic driving model training method and system integrates vehicle status collected by on-board sensing equipment and road data stored by roadside equipment, which can be carried out based on factors such as individuals or road sections.
- the roadside equipment can receive vehicle status data through the roadside Internet of Vehicles protocol and update the model with its own local data set, which can save the bandwidth of data transmission, and at the same time integrate with the powerful computing of the cloud server to improve the Computational efficiency
- the training process combined with the driver's intervention information enables the in-vehicle system to be adaptively trained, and the recognition effect of the automatic driving model can be continuously improved without human intervention. It has strong practicability and can improve the driving experience.
- the cloud-road collaborative automatic driving model retrieval method and system provided by the embodiment of the present application, according to the vehicle's positioning and navigation path combined with the preset range determined by the historical trajectory range and historical trajectory frequency, the selection of priority retrieval is more personalized.
- the automatic driving model of the roadside equipment terminal, or the automatic driving model of the cloud server with more generalization ability is preferentially called for automatic driving guidance, which can achieve a more accurate automatic driving recognition effect and give users a better driving experience.
- FIG. 1 is a flowchart of an example of a cloud-road collaborative automatic driving model training method provided in an embodiment of the application
- FIG. 2 is a flowchart of an example of a method for retrieving an automatic driving model of cloud-road collaboration in an embodiment of the present application
- FIG. 3 is a module composition diagram of a specific example of the cloud-road collaborative automatic driving model retrieval system provided in the embodiment of the application;
- FIG. 4 is a composition diagram of a specific example of a terminal provided by an embodiment of the present application.
- the embodiment of the present application provides a cloud-road collaborative automatic driving model training method, as shown in FIG. 1 , the method includes the following steps:
- Step S11 The vehicle-mounted sensing device sends the collected vehicle state data to the roadside device in real time through the vehicle networking protocol.
- Step S12 The roadside equipment merges the data newly uploaded by the vehicle-mounted sensing equipment and the previously stored data into a data set, and preprocesses the data set.
- Step S13 the on-board controller controls the preprocessed data set to be trained and updated on the roadside equipment for automatic driving model training, or controls the transmission of the preprocessed data set to the cloud server for automatic driving model training update;
- Step S141 when the automatic driving model is trained and updated on the roadside device based on the preprocessed data set, upload the updated model to the cloud server;
- Step S142 When the cloud server performs training and updating of the automatic driving model, the preprocessed data set is transmitted to the cloud server through Ethernet, the automatic driving model is trained together with the data set in the cloud server, and the updated automatic driving model is fed back to roadside equipment.
- the cloud-road collaborative automatic driving model training method fuses the vehicle status collected by the on-board sensor equipment and the road data stored by the roadside equipment. Personalized training and optimization, and the recognition effect of machine learning largely depends on the amount and diversity of data. For automotive terminals, the condition that restricts the amount of data is network bandwidth.
- the data is passed through the roadside
- the device and the car's Internet of Vehicles protocol (such as the v2i network protocol) are transmitted to provide transmission efficiency, and then use the computing nodes deployed on the roadside to combine the data uploaded by the car and the data stored on the roadside into a data set. Data preprocessing.
- the roadside equipment preprocesses the data in the embodiment of the present application, the amount of data will be greatly reduced, and the data can be transmitted to the cloud server for task scheduling more quickly, and then a new model can be trained together with the data set in the cloud, and then the model can be Feedback to the roadside equipment; if the computing nodes owned by the roadside equipment are powerful enough to undertake part of the training work of the model, the roadside equipment can receive vehicle status data through the roadside Internet of Vehicles protocol and combine it with its own local data set. Model update can save the bandwidth of data transmission, and only need to transmit the interactive information of the task processing results to the cloud server.
- the data newly uploaded by the vehicle-mounted sensing device provided by the embodiment of the present application includes: the driver's intervention data on the driving behavior formed under the guidance of the existing automatic driving model; the preprocessing process includes the real value labeling and Data cleaning.
- the factor of whether the vehicle-mounted sensing device and the driver are involved is used to judge the true value of the collected data. For example, other sensors have identified obstacles, but the data collected by the image device has not been identified. The corresponding It is considered that the image recognition model is not good for the recognition of the object, and the raw data of the image can be marked in combination with the sensor data, and the data can be transmitted to the automatic driving model for further training. When a driver intervenes, the driver's judgment is taken as the true value, the error information of some sensor data is marked, and then the error data is processed to improve the recognition accuracy of the automatic driving model.
- the dynamic loading technology can be used to write a general interface, so that the on-board system can freely load and unload the module in a pluggable manner, cooperate with the life cycle management, and the remote download platform can be The system resources are allocated and managed through the life cycle, so that the application program can be expanded and maintained more easily.
- the recognition module and automatic driving model can be reloaded by dynamic loading.
- an embodiment of the present application also provides a cloud-road collaborative automatic driving model training system, including: on-board sensing equipment, on-board controller and cloud server, wherein the on-board sensing equipment is used to collect collected vehicles The status data is sent to the roadside equipment in real time through the Internet of Vehicles protocol; the roadside equipment is used to combine the newly uploaded data from the on-board sensing equipment with the previously stored data into a data set, and preprocess the data set; on-board control It is used to control the automatic driving model training and update of the preprocessed data set on the roadside equipment, or to control the transmission of the preprocessed data set to the cloud server for automatic driving model training and update; the roadside equipment is also used for automatic driving model training and update based on The preprocessed data set is used to train and update the automatic driving model on the roadside equipment, and the updated model is uploaded to the cloud server; the cloud server is used to obtain the preprocessed data set of the roadside equipment and store it in the The datasets are used to
- the cloud-road collaborative automatic driving model training method and system integrate vehicle status collected by on-board sensing equipment and road data stored by roadside equipment, and can be personalized for factors such as individuals or road sections.
- the roadside equipment can receive the vehicle status data through the roadside vehicle networking protocol and update the model with its own local data set, which can save the bandwidth of data transmission, and at the same time integrate with the powerful computing of the cloud server to improve the calculation.
- Efficiency the training process combined with the driver's intervention information enables the in-vehicle system to be adaptively trained, and the recognition effect of the automatic driving model can be continuously improved without human intervention. It is highly practical and can improve the driving experience.
- the embodiment of the present application provides a cloud-road collaborative automatic driving model retrieval method, as shown in FIG. 2 , including:
- Step S21 Obtain vehicle positioning or a navigation path of the vehicle.
- Step S22 When the vehicle positioning or the navigation path of the vehicle is within the preset range, the automatic driving model in the roadside equipment is called to guide the vehicle on automatic driving behavior, and when it is not within the preset range, the automatic driving behavior in the cloud server is called The autonomous driving model of the vehicle guides the autonomous driving behavior of the vehicle.
- the preset range is determined according to the historical trajectory range and historical trajectory frequency of the vehicle.
- the vehicle positioning is a route that must be passed between the owner's home location and work location, or a route that is often active on weekends.
- the automatic driving model in the roadside equipment is retrieved. If it is not a route where the car owner often travels, such as self-driving tours in other cities, the automatic driving model of the roadside device terminal is retrieved.
- the cloud server Since the roadside equipment mainly collects and preprocesses data within the specific trajectory range of the target vehicle, and the cloud server receives the models or preprocessed data uploaded by all roadside equipment, the cloud server is more efficient than the automatic driving model stored in the roadside equipment. It is generalizable, and the automatic driving model stored by roadside equipment is more personalized than the cloud server. Therefore, when the vehicle implements the automatic driving mode, it is necessary to first obtain the vehicle positioning or the vehicle's navigation path, which is the range of the vehicle's frequent activities.
- the embodiment of the present application further provides a cloud-road collaborative automatic driving model retrieving system, as shown in FIG. 3 , including:
- the vehicle location information acquisition module 21 is used to acquire vehicle positioning or the navigation path of the vehicle; this module is a functional module integrating positioning and navigation functions, and this module executes the method described in step S21 in Embodiment 1, which will not be repeated here. .
- the automatic driving model fetching module 22 is used for fetching the automatic driving model in the roadside equipment to guide the automatic driving behavior of the vehicle when the vehicle positioning or the navigation path of the vehicle is within the preset range, and when the vehicle is not within the preset range When , the automatic driving model in the cloud server is called to guide the automatic driving behavior of the vehicle.
- This module executes the method described in step S22 in Embodiment 1, and details are not repeated here.
- the cloud-road collaborative automatic driving model retrieval method and system selects the priority to retrieve a more personalized road according to the vehicle's positioning and navigation path combined with the preset range determined by the historical trajectory range and historical trajectory frequency.
- the automatic driving model of the side device terminal is still the priority to call the automatic driving model of the cloud server with more generalization ability for automatic driving guidance, which can achieve a more accurate automatic driving recognition effect and give users a better driving experience.
- the device may include a processor 51 and a memory 52 , where the processor 51 and the memory 52 may be connected through a bus or in other ways.
- FIG. 4 takes the connection through a bus as an example.
- the memory 52 can be used to store non-transitory software programs, non-transitory computer-executable programs and modules, such as corresponding program instructions/modules in the embodiments of the present application.
- the processor 51 executes various functional applications and data processing of the processor by running the non-transitory software programs, instructions and modules stored in the memory 52, that is, to realize the automatic driving model of cloud-road coordination in the above method embodiment 2 call method.
- the memory 52 may include a storage program area and a storage data area, wherein the storage program area may store an operating system and an application program required by at least one function; the storage data area may store data created by the processor 51 and the like. Additionally, memory 52 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 52 may optionally include memory located remotely from processor 51 , which may be connected to processor 51 via a network. Examples of such networks include, but are not limited to, the Internet, intranets, intranets, mobile communication networks, and combinations thereof.
- One or more modules are stored in the memory 52, and when executed by the processor 51, execute the method for retrieving an automatic driving model for cloud-road collaboration in Embodiment 2.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a flash memory (Flash Memory), a hard disk (Hard Disk Drive) , abbreviation: HDD) or solid-state drive (Solid-State Drive, SSD), etc.; the storage medium may also include a combination of the above-mentioned types of memories.
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Claims (8)
- 一种云路协同的自动驾驶模型训练方法,其特征在于,包括如下步骤:车载传感设备将采集的车辆状态数据通过车联网协议实时发送至路侧设备;路侧设备对车载传感设备新上传的数据与之前已经储存的数据合并为数据集,并对该数据集进行预处理;车载控制器控制将预处理后的数据集在路侧设备进行自动驾驶模型训练更新;所述预处理的过程包括根据驾驶员的介入数据进行真值标注及数据清洗;当基于预处理后的数据集在路侧设备对自动驾驶模型进行训练更新时,将更新后的模型上传至云端服务器。
- 根据权利要求1所述的云路协同的自动驾驶模型训练方法,其特征在于,车载传感设备新上传的数据包括:驾驶员对之前已有自动驾驶模型指导下形成行驶行为的介入数据。
- 根据权利要求2所述的云路协同的自动驾驶模型训练方法,其特征在于,预处理的过程包括根据驾驶员的介入数据进行真值标注及数据清洗。
- 一种云路协同的自动驾驶模型调取方法,其特征在于,包括以下步骤:获取车辆定位或车辆的导航路径;当车辆定位或车辆的导航路径在预设范围时,调取路侧设备中的自动驾驶模型对车辆进行自动驾驶行为指导,当不在所述预设范围内时,调取云端服务器中的自动驾驶模型对车辆进行自动驾驶行为指导,所述自动驾驶模型基于权利要求1-3任一所述的云路协同的自动驾驶模型训练方法得到,所述预设范围根据车辆的历史轨迹范围及历史轨迹频率确定。
- 一种云路协同的自动驾驶模型训练***,其特征在于,包括:车载传感设备、车载控制器及云端服务器,其中:车载传感设备,用于将采集的车辆状态数据通过车联网协议实时发送至路侧设备;路侧设备,用于对车载传感设备新上传的数据与之前已经储存的数据合并为数据集,并对该数据集进行预处理;车载控制器,用于控制将预处理后的数据集在路侧设备进行自动驾驶模型训练更新;路侧设备还用于基于预处理后的数据集在路侧设备对自动驾驶模型进行训练更新,并将更新后的模型上传至云端服务器;云端服务器,用于获取路侧设备预处理后的数据集并将其已存储的数据集一起训练自动驾驶模型,将更新后的自动驾驶模型反馈至路侧设备。
- 一种云路协同的自动驾驶模型调取***,其特征在于,包括:车辆位置信息获取模块,用于获取车辆定位或车辆的导航路径;自动驾驶模型调取模块,用于当车辆定位或车辆的导航路径在预设范围时,调取路侧设备中的自动驾驶模型对车辆进行自动驾驶行为指导,当不在所述预设范围内时,调取云端服务器中的自动驾驶模型对车辆进行自动驾驶行为指导,所述自动驾驶模型基于权利要求1-3任一所述的云路协同的自动驾驶模型训练方法得到,所述预设范围根据车辆的历史轨迹范围及历史轨迹频率确定。
- 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存储有计算机指令,所述计算机指令用于使所述计算机执行如权利要求4所述的方法。
- 一种终端,其特征在于,包括:存储器和处理器,所述存储器和所述处理器之间互相通信连接,所述存储器存储有计算机指令,所述处理器通过执行所述计算机指令,从而执行如权利要求4所述的方法。
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