CDChat: A Large Multimodal Model for Remote Sensing Change Description
<|reference_start|>CDChat: A Large Multimodal Model for Remote Sensing Change Description: Large multimodal models (LMMs) have shown encouraging performance in the natural image domain using visual instruction tuning. However, these LMMs struggle to describe the content of remote sensing images for tasks such as image or region grounding, classification, etc. Recently, GeoChat make an effort to describe the contents of the RS images. Although, GeoChat achieves promising performance for various RS tasks, it struggles to describe the changes between bi-temporal RS images which is a key RS task. This necessitates the development of an LMM that can describe the changes between the bi-temporal RS images. However, there is insufficiency of datasets that can be utilized to tune LMMs. In order to achieve this, we introduce a change description instruction dataset that can be utilized to finetune an LMM and provide better change descriptions for RS images. Furthermore, we show that the LLaVA-1.5 model, with slight modifications, can be finetuned on the change description instruction dataset and achieve favorably better performance.<|reference_end|>
@article{noman2024cdchat:,
    title={CDChat: A Large Multimodal Model for Remote Sensing Change Description},
    author={Mubashir Noman and Noor Ahsan and Muzammal Naseer and Hisham Cholakkal
  and Rao Muhammad Anwer and Salman Khan and Fahad Shahbaz Khan},
    journal={arXiv preprint arXiv:2409.16261},
    year={2024},
    archivePrefix={arXiv},
    eprint={2409.16261},
    primaryClass={cs.CV}
}