Automatical change détection with polarimetric radar image

Good morning.
Please a have a work concerning the automatical change détection on polarimetrique radar image ( band VV, and vh of sentinel-1)
How can i do please?

I think your two topics are quite the same: Classification of 2 polarisations radar images in two classes: the class that pixel has change et another class where pixel value has not change

Let’s keep the discussions in one of the topics only.