光学学报, 2008, 28 (s2): 24, 网络出版: 2009-01-05  

两阶段旋转、平移亚像素数字稳像算法

Double Phases Rotated and Translated Sub-Pixel Digital Image Stabilization Algorithm
作者单位
中国人民解放军装甲兵工程学院控制工程系, 北京 100072
摘要
提出一种稳健的两阶段层次匹配稳像算法, 在频域结合相位相关和谱对消技术对抖动图像序列间的平移和旋转矢量获得亚像素估计精度。算法第一阶段首先在对数极坐标表示下, 利用相位相关法得到图像帧间的旋转角度和整数像素平移参数; 算法第二阶段运用谱对消技术确定亚像素平移参数。在建立参数运动模型的基础上,通过自适应均值滤波确定各帧修正矢量。实验结果表明, 该方法具有亚像素级的稳像精度。
Abstract
参考文献

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杜登崇, 蒋晓瑜, 姚军. 两阶段旋转、平移亚像素数字稳像算法[J]. 光学学报, 2008, 28(s2): 24. Du Dengchong, Jiang Xiaoyu, Yao Jun. Double Phases Rotated and Translated Sub-Pixel Digital Image Stabilization Algorithm[J]. Acta Optica Sinica, 2008, 28(s2): 24.

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