In the part of face detection and orientation, vertical orientation will be made according to inner outline within edge extraction picture of the face image.
本文中在人脸的检测与定位部分，首先根据人脸图像的边缘检测图中的人脸内轮廓线进行垂直定位。
参考来源 - 奇异值分解的人脸识别算法·2,447,543篇论文数据，部分数据来源于NoteExpress
During the technical reform of the existing tunnels, the main content for rebuilding the tunnel is that the inner outline of the existing tunnel will fulfill the new technical requirements or not.
既有隧道技术改造中，隧道内轮廓是否满足新技术要求，是隧道改建的主要内容。
The edge extraction method not only extracts the outline of the target, but also keeps the inner details, thus the optimum matching position found by template matching becomes more reliable.
文中的边界提取方法不仅能提取出目标的轮廓，还能较好地保留其内部细节，这样通过模板匹配得到的最佳匹配位置更加可靠。
The glass is then etched down to the inner layer leaving the design outline in relief. fine cameo glass was produced by the Romans in the1st century AD.
然后将外层玻璃蚀刻到内层，使设计的轮廓成为浮雕，其精细部分用手工或旋转的刀具雕刻。早在公元1世纪，罗马人已生产出精美的宝石玻璃品。
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