通过对运动特征提取算法进行研究，设计并实现了一个实用的全局运动特征和局部运动特征提取模块。
By study of the existing extraction and representation algorithm of motion information, a practicality module is designed and implemented mainly on global and local motion feature extraction.
该方法首先提取出视频中每帧的全局运动和局部运动特征，然后通过粒子群算法自适应地提取视频关键帧。
This method first extracted the global motion and local motion features in each frame, and video key frame was extracted by Particle Swarm Optimization (PSO) adaptively.
通过特征点匹配，求其局部运动矢量；
The local motion vector of the block was determined by feature point matching.
利用断层相关褶皱理论、运动学特征，对准噶尔盆地南缘区域局部构造进行了构造建模研究。
By using the theory of fault-related fold and kinematics characters, research of tectonic modeling about local structures of south margin of Junggar basin was made.
视频中的运动特征通常可以分为全局运动和局部运动两种，分别表示摄像机运动和视频对象运动的特征。
Motion features in video can usually be divided into two types. They are global motion, which is caused by camera motion, and local motion, which is caused by video object motion.
实验结果表明：该方法在摄像机运动目标运动情况下，能对局部特征未知或特征不明显的动态目标进行有效的识别与定位。
Experiments show that in the case of both camera moving and object moving, the proposed method can effectively recognize and locate the dynamic object with unknown or obscure object local feature.
为此，提出了基于时空兴趣点局部时空特征的运动表示方法，实现了基于时空单词的动作识别。
This paper employs the motion representation based on space-time interest points and implements action recognition method based on spatiotemporal codebook and words.
在红外图像序列中，提取了反映局部区域运动相关性的相关特征。
Temporal change feature is extracted from the visual image sequence using temporal decomposition based on wavelet, which reflects the dynamical content variation at a pixel at any time.
在红外图像序列中，提取了反映局部区域运动相关性的相关特征。
Temporal change feature is extracted from the visual image sequence using temporal decomposition based on wavelet, which reflects the dynamical content variation at a pixel at any time.
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