Annotated point cloud patches for masonry damage detection - Nanjing City Wall

This dataset contains 317 manually annotated point-cloud patches collected from four segments of the Nanjing City Wall at different locations and orientations. The point clouds were acquired using a FARO Focus3D terrestrial laser scanner and cropped into patches covering approximately 2 m × 1 m. Each point is labelled as either intact surface (class 0) or surface material deterioration (class 1). The repository preserves the fixed dataset partition used in the associated study: 190 patches for training, 65 for validation, and 62 for testing.