| 基于嵌入式Linux的倒车影音系统设计 |
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| 引用本文： | 毕如俊,曹成茂,郑泉,石鑫焱,葛俊. 基于嵌入式Linux的倒车影音系统设计[J]. 单片机与嵌入式系统应用, 2010, 0(8): 64-66,68 |
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| 作者姓名： | 毕如俊 曹成茂 郑泉 石鑫焱 葛俊 |
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| 作者单位： | 安徽农业大学,工学院,合肥,230036;安徽农业大学,工学院,合肥,230036;安徽农业大学,工学院,合肥,230036;安徽农业大学,工学院,合肥,230036;安徽农业大学,工学院,合肥,230036 |
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| 基金项目： | 安徽省高等学校优秀青年教师资助项目 |
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| 摘 要： | 采用S3C2440微处理器为控制芯片,基于嵌入式Linux操作系统设计了一种安全可视化倒车系统。通过嵌入式Linux操作系统内核驱动USB摄像头实时地监控车后状况,通过超声波测距结果与阈值的比较来启动语音报警模块以提醒驾驶员注意。经实验验证,该系统运行稳定,采集的视频图像清楚且实时性高,能够满足可视化倒车的要求。
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| 关 键 词： | S3C2440 视频图像采集 超声波测距 语音报警 |
Car Reversing Video System Based on Embedded Linux |
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| Bi Rujun,Cao Chengmao,Zheng Quan,Shi Xinyan,Ge Jun. Car Reversing Video System Based on Embedded Linux[J]. Microcontrollers & Embedded Systems, 2010, 0(8): 64-66,68 |
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| Authors: | Bi Rujun Cao Chengmao Zheng Quan Shi Xinyan Ge Jun |
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| Affiliation: | (College of Engineering,Anhui Agricultural University,Hefei 230036,China) |
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| Abstract: | A visual car reversing system is designed based on embedded Linux,using S3C2440 microprocessor as the main control chip.Embedded Linux kernel drives a USB camera for real-time monitoring of the situation at the rear of the car.The ultrasonic ranging data are compared with the threshold to start the voice alarm module to remind the driver.Experiments show the system runs stably and acquires clear real-time video images,meeting the requirements of visual reversing. |
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| Keywords: | S3C2440 |
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