@inproceedings{follath2024multimodal, type = {inproceedings}, key = {follath2024multimodal}, title = {Multi-Modal Vision Transformers for Crop Mapping from Satellite Image Time Series}, author = {Theresa Follath and David Mickisch and Jan Hemmerling and Stefan Erasmi and Marcel Schwieder and Begüm Demir}, booktitle = {IEEE International Geoscience and Remote Sensing Symposium (IGARSS)}, year = {2024}, pages = {1937-1941}, doi = {10.1109/IGARSS53475.2024.10641794}, abstract = {Using images acquired by different satellite sensors has shown to improve classification performance in the framework of crop mapping from satellite image time series (SITS). Existing state-of-the-art architectures use self-attention mechanisms to process the temporal dimension and convolutions for the spatial dimension of SITS. Motivated by the success of purely attention-based architectures in crop mapping from single-modal SITS, we introduce several multi-modal multi-temporal transformer-based architectures. Specifically, we investigate the effectiveness of Early Fusion, Cross Attention Fusion and Synchronized Class Token Fusion within the Temporo-Spatial Vision Transformer (TSViT). Experimental results demonstrate significant improvements over state-of-the-art architectures with both convolutional and self-attention components.}, }