Urban1960SatBench

Urban1960SatBench serves as a novel, expertly annotated semantic segmentation dataset built on mid-20^{th} century Keyhole imagery. As the earliest segmentation dataset of its kind, it provides a pioneering benchmark for historical urban understanding. Currently, the dataset takes Xi'an in 1960 as the center for its version, covering 1,240 km^2 and key urban classes (buildings, roads, farmland, water).Urban1960SatBench是一款基于20世纪中期锁眼（Keyhole）卫星影像构建的新型、经专家精准标注的语义分割（semantic segmentation）数据集。作为同类首款语义分割数据集，它为历史城市场景理解提供了开创性的基准评测集。当前版本的该数据集以1960年的西安为核心研究区域，覆盖面积达1240平方千米，涵盖建筑、道路、农田、水体五类核心城市地物类别。