Then the unsupervised learning integrating salient features is performed to analyze the explicit and implicit information, and to label the road targets in remote sensing images efficiently.

• 在此基础上, 针对感兴趣特征, 利用无监督学习来综合分析遥感图像中道路目标的各类可视及非可视化信息, 快速标记并定位目标区域。