%0 Dataset %T A new large-scale satellite image dataset CHN6-CUG for representative cities in China %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/b46613f7-b7d2-407c-9e55-e33220011585 %W NCDC %A None %K Road data;remote sensing imagery;high-resolution %X The new large-scale satellite image dataset CHN6-CUG of representative cities in China selected six cities with different levels of urbanization, urban size, development level, urban structure, and historical culture, including Chaoyang District in Beijing, Yangpu District in Shanghai, downtown Wuhan, Nanshan District in Shenzhen, Sha Tin in Hong Kong, and Macau in China. According to the road coverage, the marked roads include those with track coverage and those without track coverage. From a physical perspective based on geographical factors, road markings include railways, highways, urban roads, and rural roads.CHN6-CUG contains 4511 labeled images with a size of 512 × 512, divided into 3608 for model training and 903 for testing and result evaluation, with a resolution of 50 cm/pixel. The original image of the dataset is in. jpg format, and the road annotation image is in. png format. The compressed data size is 175MB