水表指针识别系统，能够从外部导入任何一个bmp图像，最好是水表图，能够对该图形操作并读出图中水表的度数 -meter target identification system from the outside into any one bmp image, preferably meter map, Graphics to be able to operate and read out the map meter reading

图像检测，识别虚拟物体叠加，基于VC++实现-Image detection, identification, virtual objects superimposed based VC++ achieve