...亚像素配准 [gap=1256]Key words：flotation；froth images；template matching；rational invariant；sub-pixels registration ...
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亚像素配准误差 sub-pixel registration error
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针对视频图像运动检测问题，提出一种空域灰度投影和频域相位相关相结合的亚像素配准方法。
To resolve the problems existed in the estimation of motion in video sequences, a novel method combining gray projection in spatial domain and phase correlation in frequency domain is proposed.
针对心脏磁共振时间序列图像，提出了一种结合力矩主轴法与互信息法的序列图像亚像素配准新方法。
For heart MRI time-series images, an improved sub pixel match approach based on cross-weighted moments and mutual information is presented, which adopts mixed registration strategies.
实验证明了文本方法的有效性和可行性，配准结果达到亚像素精度。
Experiment results show subvoxel accuracy can be achieved and the feasibility and efficiency of algorithms are verified.
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