Scientific DataCMDPC_OBB: A Large-Scale Image Dataset for Coal Mine Drill Pipe Counting based on Oriented Bounding BoxFukai ZhangXiaoran LiuHaiyan ZhangFeng GuoShan ZhaoYanmei ZhangGuan YuanLu DongXu ChenZhanqiang Huo2026-05-22Full textDOI https://doi.org/10.1038/s41597-026-07474-y