feature key短语¹⁴⁴⁹⁷²⁺² 基本例句 特种功能键 However, the large number of local invariant feature key points extract by the SITF poses a scalability problem in the matching stage as the number of images to be matched increases. 然而，大量的特徵点对辨识阶段将是一个重要的问题，影像的匹配会因为影像的数量而增加。140.118.33.11