Large Vision-Language Models for Remote Sensing Visual Question Answering

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Main Authors: Siripong, Surasakdi, Chaiyapan, Apirak, Phonchai, Thanakorn
Format: Preprint
Published: 2024
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author Siripong, Surasakdi
Chaiyapan, Apirak
Phonchai, Thanakorn
author_facet Siripong, Surasakdi
Chaiyapan, Apirak
Phonchai, Thanakorn
contents Remote Sensing Visual Question Answering (RSVQA) is a challenging task that involves interpreting complex satellite imagery to answer natural language questions. Traditional approaches often rely on separate visual feature extractors and language processing models, which can be computationally intensive and limited in their ability to handle open-ended questions. In this paper, we propose a novel method that leverages a generative Large Vision-Language Model (LVLM) to streamline the RSVQA process. Our approach consists of a two-step training strategy: domain-adaptive pretraining and prompt-based finetuning. This method enables the LVLM to generate natural language answers by conditioning on both visual and textual inputs, without the need for predefined answer categories. We evaluate our model on the RSVQAxBEN dataset, demonstrating superior performance compared to state-of-the-art baselines. Additionally, a human evaluation study shows that our method produces answers that are more accurate, relevant, and fluent. The results highlight the potential of generative LVLMs in advancing the field of remote sensing analysis.
format Preprint
id arxiv_https___arxiv_org_abs_2411_10857
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Large Vision-Language Models for Remote Sensing Visual Question Answering
Siripong, Surasakdi
Chaiyapan, Apirak
Phonchai, Thanakorn
Computer Vision and Pattern Recognition
Computation and Language
Remote Sensing Visual Question Answering (RSVQA) is a challenging task that involves interpreting complex satellite imagery to answer natural language questions. Traditional approaches often rely on separate visual feature extractors and language processing models, which can be computationally intensive and limited in their ability to handle open-ended questions. In this paper, we propose a novel method that leverages a generative Large Vision-Language Model (LVLM) to streamline the RSVQA process. Our approach consists of a two-step training strategy: domain-adaptive pretraining and prompt-based finetuning. This method enables the LVLM to generate natural language answers by conditioning on both visual and textual inputs, without the need for predefined answer categories. We evaluate our model on the RSVQAxBEN dataset, demonstrating superior performance compared to state-of-the-art baselines. Additionally, a human evaluation study shows that our method produces answers that are more accurate, relevant, and fluent. The results highlight the potential of generative LVLMs in advancing the field of remote sensing analysis.
title Large Vision-Language Models for Remote Sensing Visual Question Answering
topic Computer Vision and Pattern Recognition
Computation and Language
url https://arxiv.org/abs/2411.10857