## 留言板

 引用本文: 孙辉, 李志强. 基于相位相关的匀速直线运动 模糊图像位移参数估计[J]. 中国光学（中英文）, 2012, 5(2): 174-180.
SUN Hui, LI Zhi-qiang. Estimation of displacement parameters for uniform linear motion-blurred images based on phase-only correlation[J]. Chinese Optics, 2012, 5(2): 174-180. doi: 10.3788/CO.20120502.0174
 Citation: SUN Hui, LI Zhi-qiang. Estimation of displacement parameters for uniform linear motion-blurred images based on phase-only correlation[J]. Chinese Optics, 2012, 5(2): 174-180.

## 基于相位相关的匀速直线运动 模糊图像位移参数估计

##### doi: 10.3788/CO.20120502.0174

• 中图分类号: TP391.4

## Estimation of displacement parameters for uniform linear motion-blurred images based on phase-only correlation

• 摘要: 为估算匀速直线运动模糊图像的运动参数,提出了一种基于相位相关分析的图像配准方法。该方法利用傅里叶变换的平移特性,对产生平移的目标图像进行傅里叶变换并计算归一化互功率谱,其傅里叶逆变换对应二维脉冲函数,通过计算脉冲函数峰值坐标获取位移图像之间的亚像元级位移量。结合相位相关配准原理和线性空间不变退化模型,给出了匀速直线运动点扩散函数及其光学传递函数的数学描述;讨论了匀速直线运动模糊对相位相关配准结果的影响,证明了图像经过匀速直线运动退化后,位移图像之间归一化互功率谱具有不变性。实验结果表明:动态运动模糊图像最大检测误差为0.489 pixel,标准差为0.16 pixel。

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##### 出版历程
• 收稿日期:  2011-12-21
• 修回日期:  2012-02-23
• 刊出日期:  2012-04-10

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