Journal of System Simulation ›› 2025, Vol. 37 ›› Issue (4): 922-932.doi: 10.16182/j.issn1004731x.joss.24-1083

• Papers • Previous Articles     Next Articles

A Method for Road Extraction Using Masked Image Modeling and Contrastive Learning

Wu Jiangjiang, Li Zhenghong, Sha Zhichao, Chen Hao, Peng Shuang, Du Chun, Li Jun   

  1. College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China
  • Received:2024-09-27 Revised:2024-11-13 Online:2025-04-17 Published:2025-04-16
  • Contact: Li Zhenghong

Abstract:

Aiming at the occlusion problem of road extraction from remote sensing images, a road extraction method combining MIM and CL is proposed, the model training process includes a masked pre-training stage and a contrast training stage. The masked pre-training stage mainly carries out mask image reconstruction, and trains the model to recover the whole image from some areas that are randomly occluded. The comparison training stage is mainly for the prediction error and low confidence regions to learn the comparison, to narrow the distance between the features of the same category and increase the distance between the features of different categories. The experimental results verify the effectiveness and usability of this method.

Key words: remote sensing image, road extraction, masked image modeling, contrastive learning, image reconstruction

CLC Number: