ImageGrains 2.0 dataset

Images and grain annotations for sediment particles on different imagery types used to train and evaluate the segmentation models of ImageGrains 2.0 (https://github.com/dmair1989/imagegrains). For more details on the data, please refer to the paper. If you use these data, please cite: Mair, D., Witz, G., Do Prado, A., Garefalakis, P., Wild, A., Ville, F., Schuster, B., Horn, M., Österle, J., Fabbri, S. C., Litty, C., Achleitner, S., Leistner, S., Hiller, C., and Schlunegger, F.: ImageGrains 2.0: Improved precision and generalization for grain segmentation, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-6346, 2026.