Nearly 80,000 led lights, all produced by Shanghai manufacturers, have been installed on the six Sun Valley pillars in the Expo Axis.
据上海广茂达灯光景观工程公司的技术人员介绍，他们已在世博轴的6个阳光谷安装了近8万个LED灯。
The principle component analysis and face bray center are used to detect the symmetry axis, and the valley method is applied to detect and verify the eye candidates.
首先利用主分量分析法和人脸重心确定人脸对称轴，再结合山谷法进行眼睛候选点的提取和验证。
Sun Valley of Expo Axis applies free-form design idea, which is reticulated shell structure with bolt connection joint.
上海世博会世博轴阳光谷采用自由形态设计理念，是一种采用栓接节点的网壳结构。
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