Multispectral Global Dam Image Database V1

This database consists of two parts: the training set and the test set. Each image has dimensions of 512 × 512 pixels and a spatial resolution of 30 meters, covering approximately 15,360 × 15,360 square meters of ground area. Each image contains six spectral bands. The training set includes 6,062 samples, while the test set comprises 197 samples. Each sample consists of three images: a six-band image representing the period before the start of dam construction (with folder names ending in “A2”), a six-band image corresponding to the first reservoir impoundment (with folder names ending in “B2”), and a single-band image indicating the reservoir and dam crest geometry (with folder names ending in “mask”).