VLURes: Benchmarking VLM Visual and Linguistic Understanding in Low-Resource Languages

• URL: http://arxiv.org/abs/2510.12845v1
• Date: Tue, 14 Oct 2025 01:41:43 GMT
• Title: VLURes: Benchmarking VLM Visual and Linguistic Understanding in Low-Resource Languages
• Authors: Jesse Atuhurra, Iqra Ali, Tomoya Iwakura, Hidetaka Kamigaito, Tatsuya Hiraoka,
• Abstract summary: We introduce a novel benchmark VLURes featuring eight vision-and-language tasks, and a pioneering unrelatedness task.<n>Our datasets encompass ten diverse image categories and rich textual context, introducing valuable vision-language resources for Swahili and Urdu.<n>The best performing model, GPT-4o, achieves an overall accuracy of 90.8% and lags human performance by 6.7%, though the gap is larger for open-source models.
• Score: 28.434129158759877
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Vision Language Models (VLMs) are pivotal for advancing perception in intelligent agents. Yet, evaluation of VLMs remains limited to predominantly English-centric benchmarks in which the image-text pairs comprise short texts. To evaluate VLM fine-grained abilities, in four languages under long-text settings, we introduce a novel multilingual benchmark VLURes featuring eight vision-and-language tasks, and a pioneering unrelatedness task, to probe the fine-grained Visual and Linguistic Understanding capabilities of VLMs across English, Japanese, and low-resource languages, Swahili, and Urdu. Our datasets, curated from web resources in the target language, encompass ten diverse image categories and rich textual context, introducing valuable vision-language resources for Swahili and Urdu. By prompting VLMs to generate responses and rationales, evaluated automatically and by native speakers, we uncover performance disparities across languages and tasks critical to intelligent agents, such as object recognition, scene understanding, and relationship understanding. We conducted evaluations of ten VLMs with VLURes. The best performing model, GPT-4o, achieves an overall accuracy of 90.8% and lags human performance by 6.7%, though the gap is larger for open-source models. The gap highlights VLURes' critical role in developing intelligent agents to tackle multi-modal visual reasoning.

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