FPGA控制实现图像系统视频图像采集

FPGA Control to Realize Video Signal Collection in Imaging System

摘要:

介绍了一种以DSP为核心的图像系统中，以FPGA为数据采集逻辑控制单元，用DSP控制实现了黑白全电视信号图象数据采集。在介绍了系统组成原理的基础上，详细讨论了采集部分的结构和FPGA的控制逻辑，DSP响应中断实现数据转移和存储。采用FPGA实现视频信号数据采集，可提高系统性能，同时具有适应性与灵活性强，设计、调试方便等优点。通过系统成像实验，已获得清晰的图象。

Abstract:

In imaging system,FPGA is used as a main logic unit, and DSP control to realize the data acquisition for black-white video signal.The principal of imaging system is introduced. Three parts is expounded in details, such as construction of acquisition part, control logic of FPGA, DSP control and Interrupt respond. Using FPGA to realize video signal collection will enhance the system capability, and easy to design and debug. It also has such advantages as adaptability and flexibility. Clear image is obtained from experiments using this imaging system.