基于不规则三角网DEM，提出一种新的单流向地形特征自动提取算法。
Based on TINs DEM, a new single-flow direction algorithm for topographic patterns extraction is proposed.
对人脸图像检测与识别技术的研究现状进行简要论述，并自行设计一个人脸特征自动提取系统。
This paper examines the research situation on face image detection and recognition and designs a facial feature automatic extract system.
眼角的自动定位能够给后续的人脸特征自动提取和识别算法研究奠定良好的基础，帮助提高人脸识别算法的识别率。
This approach would help to extract the vital feature points on human face automatically and improve the accuracy of face recognition.
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