一、查询参考文献的网站

     1、谷歌学术镜像

         https://scholar.glgoo.org

         http://ac.scmor.com/

     2、百度学术

二、ncc公式及解释

     1、 p179

Scambos T A , Dutkiewicz M J , Wison J C , et al. Application of image cross-correlation to the measurement of glacier velocity using satellite image data[J]. Remote Sensing of Environment, 1992, 42(3):177-186.

     2、p514

        Fig. 1. Illustration of the proposed tracking method

Deledalle C A , Nicolas J M , Tupin F , et al. Glaciermonitoring: Correlation versus texture tracking[C]// Geoscience & Remote Sensing Symposium. IEEE, 2010.