**Here contains the core code of the developed method. Please cite our paper If it is helpful to you. **

A robust small area change detection method was developed for multi-temporal synthetic aperture radar images, which includes several modules: preprocessing, generating difference image, the analysis of difference image, sample enhancement and pixel classification. The detailed information can refer to our paper: Robust Unsupervised Small Area Change Detection from SAR Imagery Using Deep Learning. https://doi.org/10.1016/j.isprsjprs.2021.01.004