KEYWORDS: Video, Field programmable gate arrays, Cameras, Image processing, Image acquisition, Operating systems, Control systems, Video processing, Internet, Imaging systems
The paper presents a network video monitoring system based on field programmable gate array to implement the real
time acquisition and transmission of video signals. The system includes image acquisition module, central control
module and Ethernet transmission module. According to request, Cyclone FPGA is taken as the control center in the
system, using Quartus II and Nios II IDE as development tool to build the hardware development platform. A kind of
embedded hardware system is built based on SOPC technic, in which the Nios II soft-core and other controllers are
combined by configuration. Meanwhile, the μClinux is used as embedded operating system to make the process of
acquisition and transmission of the data picture on the Internet more reliable. In order to fulfill the task of MAC and
PHY, the fast Ethernet controller should be connected to the SOPC. TCP/IP protocol is used to implement data
transmission. Based on TCP/IP protocol, the Web Servers should be embedded to implement the protocol of HTTP, TCP
and UDP. Through the research of the thesis, with programmable logic device being the core and network being the
transmission media, the design scheme of the video monitoring system is presented. The hardware’s design is mainly
done in the thesis. The principal and function of the system is deeply explained, so it can be the important technology
and specific method.
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