模板匹配（基于形状）inspect_shampoo_label例程

* This example program checks the right position of a label on

* a shampoo bottle.

* First, two shape models for the bottle and the label are created.

* Then, the models are searched in a sequence of images,

* and it is checked, if their relative position is within the

* specified tolerances.

检查标签在沐浴露瓶子上的位置是否正确

第一步，创建两个模板，一个是瓶子的，另一个是标签的

然后，通过匹配检查他们的相对位置是否在规定的范围