BTCChat: Advancing Remote Sensing Bi-temporal Change Captioning with Multimodal Large Language Model
BTCChat: 通过多模态大语言模型推进遥感双时相变化描述
机构 * State Key Laboratory of Networking and Switching Technology(网络与交换技术国家重点实验室) ; Beijing University of Posts and Telecommunications(北京邮电大学) ; Aerospace Information Research Institute(航天信息研究所) ; Chinese Academy of Sciences(中国科学院) ; School of Geographical Sciences(地理科学学院) ; Hunan Normal University(湖南师范大学)
专题命中 视觉问答 :multimodal large language model(title,abstract);visual question answering(abstract);MLLM(abstract);分类 cs.CV
AI总结 BTCChat通过多模态大语言模型提升遥感双时相变化描述能力,引入变化提取模块和提示增强机制,实现更精确的视觉-语义对齐和更优的性能表现。
Comments 5 pages, 2 figures; Accepted by ICASSP 2026