抄録
Image registration and fusion are always current topics of computer vision. In many aspects such as remote sensing, cartography and medicine, image registration and fusion are required and important. However, for different images especially images which is of low resolution and less characteristic, there is no commonly used operator to process it. Under some circumstances, some people’s dental nerve has to be removed because of pain or other reasons. Moreover, dental root situation must be observed because of some therapeutical needs.