【摘要】
课题研究设计了一款基于STM32单片机的自动车牌识别信息系统。主要软件包含一个STM32主控控制芯片,2.8寸的TFT三型液晶图像显示控制模块,摄像头采集控制模块(OV7670),指示灯控制,电源，蜂鸣器报警模块，按键等模块组成。系统内部采用5v直流电源通过一个AMS1117芯片电压转换器作为3.3v光源电压为整个监控系统进行供电。然后可以利用STM32F103RCT6等微控制器的OV7670摄像头自动采集车牌图像,通过模式识别,匹配,最后可以获得整个车牌管理信息并在一个TFT的液晶屏上实时进行数字显示,同时可以显示车牌计算机和收费,最后可以完成对整个车牌系统管理功能图的实现。同时显示计算收费,最后完成对整个系统功能实现。这个设计可以实现车牌的识别，可以应用与道路交通车牌识别，停车场车牌识别计时收费，小区车牌识别等实际情景当中。
关键词：STM32F103RCT6；TFT液晶显示；OV7670；
Abstract
A automatic license plate recognition information system based on STM32 single-chip microcomputer is studied and designed. The main software includes a STM32 main control chip,a 2.8-inch TFT liquid crystal image display control module, a camera acquisition control module(OV7670), indicator light control, power supply,buzzer alarm module,buttons and other modules.The system adopts a other modules. The system adopts a 5V DC power supply to power the whole monitoring system through an AMS1117 chip voltage converter as a 3.3v light source voltage. Then you can use OV7670 cameras of micro controllers such as STM32F103RCT6 to automatically collect license plate images, pass mode recognition, match,and finally obtain the whole license plate management information 网络文学的价值and digital display it in real time on a TFT LCD screen. At the same time, the license plate computer and At the end,我爱小人书 the implementation三个扬州 of the whole license plate system management function diagram can be completed.At the same
time, show the calculated fees and finally千代富士 complete the implementation of the whole system function. This design can realize江苏公路信息网 license plate recognition, can be applied 腾讯迷你首页to practical situations such as road traffic license plate recognition, parking lot license plate recognition time charge,community license plate recognition and other practical scenarios.
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