基于Wi-Fi Direct的农业图像采集系统设计

Design of image acquisition system of wisdom agriculture based on Wi-Fi Direct

农业大棚所处环境偏远,通用的无线网基站难以很好覆盖,导致信号不强、通信不畅。提出了一种基于Wi-Fi Direct无线通信的图像采集系统。该系统采用Linux操作系统与ARM9S3C2440作为软硬件开发平台,将CMOS OV9650摄像头作为图像传感器,利用Wi-Fi Direct无线通信将采集到的图像信息发送至远程监控终端,上位机监控界面用LabVIEW开发。给出了图像采集系统的软硬件设计方案及测试结果。结果表明,该系统硬件结构小、运行稳定,最大优势是传输速率快,不用路由器就能组网实现远程图像的实时传输,在农业方面具有一定的实用价值。

Agricultural greenhouses are located in remote environment, universal wireless network basestations can＇ t cover well, this problem results that signal is not strong, and communication is poor. This paper proposes an image acquisition system based on Wi -Fi Direct wireless communication. This system uses the Linux operating system and ARM9 S3C2440 as the hardware and software development platform, and takes CMOS OV9650 camera as an image sensor to capture the image information and send it to remote monitoring terminal by Wi-Fi Direct, PC monitoring interface is developed by LabVIEW. It provides the software and hardware design of image acquisition system and experimental result. The test result indicates that the hardware structure of this system is small and stable, the greatest advantage is that it has high communication rate, realizing the real-time transmission of remote image, and it can achieve real-time transmission of remote video without network routers, so it has a certain practical value in agriculture.