grantmwilkinson/epri-transmission-ttpla

EPRI Transmission TTPLA Imagery Aerial imagery of transmission towers and power lines with polygon (instance-segmentation) annotations, TTPLA-style. 1,242 images, 3,840 × 2,160 px. All annotations are polygons. 70 / 15 / 15 train / val / test split (seed 42). Classes id class geometry supercategory is_line 1 cable polygon line false 2 tower_lattice polygon structure false 3 tower_tucohy polygon structure false 4 tower_wooden polygon structure… See the full description on the dataset page: https://huggingface.co/datasets/grantmwilkinson/epri-transmission-ttpla.