（3）形状描述符 MPEG-7 定义了三种形状描述符：基于区域的形状（RegionShape）、基于轮廓的形状（Contour Shape）和三维形状（Shape 3D）。
基于4个网页-相关网页
Contour-based Shape 基于轮廓的形状
Shape Contour 外形轮廓线
car shape contour 车形轮廓
CONTOUR-BASED SHAPE DESCRIPTOR 轮廓形状描述子
the earth shape contour 地形等高线
shape from contour 由轮廓求形状
Generally used to highlight architectural contour shape, such as stairs, bars, night games in the walls, stairs decoration.
一般用于突出建筑轮廓造型，如台阶、酒吧、夜场中墙面、楼梯装饰等。
This method is easy and effective and it is suitable in particular for solving those two dimension problems with less complex contour shape.
该方法简单且行之有效，特别适用于解决轮廓形状不太复杂的二维问题。
By varying the contour of a shape, you can easily make a page element stand out.
通过变换形状的轮廓线，你很容易就能凸显页面元素。
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