【摘要】 提出了一种实时图像采集系统的设计方案。阐述了图像采集系统中的总线形成、高速缓存和SDRAM控制器3个关键技术,并给出了FPGA控制逻辑和实现方法。该系统时钟>60 MHz,实现了多分辨率灰度和彩色图像的采集,像素时钟>30 MHz,帧频没有限制。更多还原

【Abstract】 A design scheme of real-time image acquisition system is presented in this paper.The key technology of bus generation,high-speed buffer and Synchronous Dynamic Random Access Memory(SDRAM) of the image acquisition system are expatiated.The control logic and realization of FPGA are presented.The AT system clock is more than 60MHz,and the pels clock is more than 30 MHz.The acquisition of grey and color image with high-resolution is realized without limit to the frame rate.更多还原