Semantic Segmentation of Flotation Froth Using a Hybrid Method: Combination of U-Net and WatershedWidad Saraji, Youssef Zerradi, Nouha El Malki and Latifa OuadifE3S Web Conf., 675 (2025) 03008DOI: https://doi.org/10.1051/e3sconf/202567503008