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涡流是流场的重要特征之一，本文采用基于模板匹配的方法来识别流场的涡流特征。
The vortex is one of the important features of flow field. This paper detects the vortex flow based on pattern matching method.
微型无人直升机的路标识别系统主要包括实时视频流的采集、图像特征的提取和图像识别几部分。
Functionally, a landmark recognition system contains the following processes: the obtaining of digital video flowing, character extraction and image identification.
提出了一套基于光流特征和序列比对的行为识别算法。
Propose an action recognition algorithm based on optical-flow feature and Sequence Alignment.
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