visual feature extraction algorithm 视觉特征提取算法
In the meantime, a new visual feature extraction algorithm is derived.
同时，得出了一种新的视觉特征提取算法。
In the visual feature extraction, an eigen mouth based method is introduced.
在视频特征提取方面，引入了一种基于特征口形的提取方法。
Thus, image segmentation algorithm and image visual feature extraction method are briefly introduced at the beginning of this paper.
因而，一开始即简要介绍了图像分割算法以及基本的图像视觉特征提取方法。
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