Affinity matrix Aligned autoencoder Alignment Auto encoders Code Codes Codes (symbols) Decoding Deep learning Heterogeneous data Image regression Image-analysis Learning algorithms Multimodal image analyse Multimodal images Pixels Remote sensing Remote-sensing Space optics Space-based radar Synthetic aperture radar Tensors Training Unsupervised change detection aligned autoencoders deep learning heterogeneous data image regression multimodal image analysis unsupervised change detection (CD)