兴趣点检测是许多计算机视觉应用的基础，如：摄像机定标、三维重建、图像匹配、视频检索、运动估计等。
The detection of interest points is the basis of kinds of computer vision applications, such as: camera calibration, 3d reconstruction, image matching, video retrieval, motion estimation, etc.
序列图像分析的基本任务是从图像序列中检测出运动目标并估计其三维运动参数和结构参数。
It's task is to detect motion object and reconstruct three-dimensional motion and structure parameters from image sequences.
最后，利用稀疏光流进行三维物体运动参数和结构参数的估计。
Finally, we estimate 3-d motion and structure parameters of the body by sparse optical flow.
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