利用halcon自带的例程修改的图像匹配算法，选取roi区域后自动匹配-halcon example image registration roi

帮助新手入门halcon，学习二维图像处理的基本方法，从分割图像到--形态学处理--特征提取---图像匹配整个过程的讲解(The basic method of learning two-dimensional image processing is to help novice halcon, from segmentation image to - morphological processing - feature extraction - image matching the whole