说明：  AAA基于多特征的图像自动配准，该算法不仅降低了计算量,而且减少了误配的可能性,并且对灰度差异较大的图像也是适用的。
(AAA-based multi-feature image automatic registration, the algorithm not only reduces computation, but also reduce the possibility of error distribution and intensity differences on the larger image is also applicable.)