摘要
介绍了一种解决视频图像抖动问题的电子稳像方法,系统利用灰度投影算法和德州仪器公司的定点数字信号处理器芯片TMS320DM642实现电子稳像。文中提出了电子稳像性能的基本要求,介绍了稳像的基本原理,根据要求选择了稳像算法,从而设计了系统的硬件框图,并完成了算法的仿真。实验结果表明,该算法稳效果好,且达到准确性要求。
This article describes a method for electronic image stabilization to solve the problem of the dithering video image.This system uses the projection algorithm and the fixed-point digital signal processor chips TMS320DM642 made by Texas Instruments to achieve image stabilization.The basic requirements of electronic image stabilization performance is introduced.The basic principles of image stabilization is presented.According to the requests,the image stabilization algorithm is selected to design the hardware block diagram of the system.Simulation shows that the algorithm has good performance and can meet the requirement for accuracy.
出处
《电子科技》
2011年第4期57-58,63,共3页
Electronic Science and Technology
关键词
电子稳像
灰度投影算法
数字信号处理器
electronic image stabilization
projection algorithm
digital signal processor