摘要
提出一种基于角点检测与匹配的电子稳像算法。创新点在于将改进的角点检测和一点对多点的匹配算法相结合,降低了由于特征点的误匹配而引入的全局运动矢量误差,能解决大角度抖动图像序列的稳像问题。实验结果表明,该算法对稳像的角度没有了具体限制,实验中稳像角度可达17°,稳像后图像平均的峰值信噪比PSNR值比稳像前提高了26dB。
An electronic image stabilization algorithm based on corner detection and corner matching is presented.The innovative point of the algorithm is the incorporation of Harris corner detection and a point-to-point matching method,which reduces the error of the global motion vectors caused by the mismatching of the features,so that image stabilization with large scale rotation can be realized.Experiments show that the image stabilization angle of the algorithm has no restriction.The Image stabilization arithmetic can eliminate a rotation of 17°.After image stabilization the average of the PSNR value increased over 26 dB.
出处
《电视技术》
北大核心
2009年第S2期71-74,共4页
Video Engineering
基金
陕西省自然科学基金(2007F05)
关键词
电子稳像
角点检测
角点匹配
全局运动估计
electronic image stabilization
corner detection
corner matching
global motion estimation
