Monitoring the dynamic changes of water area in Dongting Lake is of great significance for flood control,ecosystem stability and biodiversity.The deep learning algorithm represented by the classic Unet the innovative HRNet has become an efficient way to obtain remote se...MORE Monitoring the dynamic changes of water area in Dongting Lake is of great significance for flood control,ecosystem stability and biodiversity.The deep learning algorithm represented by the classic Unet the innovative HRNet has become an efficient way to obtain remote sens...