AUTHOR=Lin Wenbo , Li Xiao , Li Tingting TITLE=Multi-source image feature extraction and segmentation techniques for karst collapse monitoring JOURNAL=Frontiers in Earth Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1543271 DOI=10.3389/feart.2025.1543271 ISSN=2296-6463