With the development of the economy and the surge in car ownership, the sale of used cars has been welcomed by more and more people, and the information of the vehicle condition is the focus information of them. The f...With the development of the economy and the surge in car ownership, the sale of used cars has been welcomed by more and more people, and the information of the vehicle condition is the focus information of them. The frame number is a unique number used in the vehicle, and by identifying it can quickly find out the vehicle models and manufacturers. The traditional character recognition method has the problem of complex feature extraction, and the convolutional neural network has unique advantages in processing two-dimensional images. This paper analyzed the key techniques of convolutional neural networks compared with traditional neural networks, and proposed improved methods for key technologies, thus increasing the recognition of characters and applying them to the recognition of frame number characters.展开更多
根据控制器局域网络(Controller Area Network,CAN)通信协议的要求与限制,结合CAN通信协议在铁路信号大负载运用过程中可能存在的总线数据发送过程丢帧的故障,分析原因并给出可行的解决方案。围绕实现解决方案过程中应考虑的外在因素及...根据控制器局域网络(Controller Area Network,CAN)通信协议的要求与限制,结合CAN通信协议在铁路信号大负载运用过程中可能存在的总线数据发送过程丢帧的故障,分析原因并给出可行的解决方案。围绕实现解决方案过程中应考虑的外在因素及系统性能等,提出方案实现过程中应注意的问题,旨在保证CAN总线上数据传输的合理性、安全性和系统的稳定性,提升系统运营效率。展开更多
文摘With the development of the economy and the surge in car ownership, the sale of used cars has been welcomed by more and more people, and the information of the vehicle condition is the focus information of them. The frame number is a unique number used in the vehicle, and by identifying it can quickly find out the vehicle models and manufacturers. The traditional character recognition method has the problem of complex feature extraction, and the convolutional neural network has unique advantages in processing two-dimensional images. This paper analyzed the key techniques of convolutional neural networks compared with traditional neural networks, and proposed improved methods for key technologies, thus increasing the recognition of characters and applying them to the recognition of frame number characters.
文摘根据控制器局域网络(Controller Area Network,CAN)通信协议的要求与限制,结合CAN通信协议在铁路信号大负载运用过程中可能存在的总线数据发送过程丢帧的故障,分析原因并给出可行的解决方案。围绕实现解决方案过程中应考虑的外在因素及系统性能等,提出方案实现过程中应注意的问题,旨在保证CAN总线上数据传输的合理性、安全性和系统的稳定性,提升系统运营效率。
