MVL-SIB:用于跨模态主题匹配的大规模多语言视觉-语言基准
MVL-SIB: A Massively Multilingual Vision-Language Benchmark for Cross-Modal Topical Matching
AI总结:
针对现有多语言视觉-语言基准覆盖语言少、低资源语言评估缺失的问题,本文提出覆盖205种语言的MVL-SIB基准,测试多种模型后揭示低资源语言跨模态匹配性能差等问题,为模型评估提供综合探针。
摘要:
现有多语言视觉-语言(VL)基准通常仅覆盖少数语言。因此,大型视觉-语言模型(LVLMs)的评估主要针对高资源语言,凸显了对低资源语言评估数据的需求。为解决这一局限,我们引入MVL-SIB,一个大规模多语言视觉-语言基准,可评估205种语言的跨模态和纯文本主题匹配——比现有最多语言的VL基准多100余种。我们随后在MVL-SIB上对一系列开源权重LVLMs及GPT-4o(-mini)进行基准测试。结果显示,LVLMs在低资源语言的跨模态主题匹配中表现不佳,如在N'Koo语言上的表现与随机水平相当。我们的分析进一步表明,对于低资源语言,LVLMs的VL支持相对于文本支持的下降程度不成比例,这可通过跨模态与纯文本主题匹配性能的比较得到证明。我们还观察到,开源权重LVLMs无法从用多张图像表示主题中获益,表明这些模型在处理多图像任务方面尚未完全有效。通过将MVL-SIB上的性能与其他多语言VL基准相关联,我们强调MVL-SIB可作为LVLMs多语言VL理解的综合探针。
英文摘要:
Existing multilingual vision-language (VL) benchmarks often only cover a handful of languages. Consequently, evaluations of large vision-language models (LVLMs) predominantly target high-resource languages, underscoring the need for evaluation data for low-resource languages. To address this limitation, we introduce MVL-SIB, a massively multilingual vision-language benchmark that evaluates both cross-modal and text-only topical matching across 205 languages -- over 100 more than the most multilingual existing VL benchmarks encompass. We then benchmark a range of of open-weight LVLMs together with GPT-4o(-mini) on MVL-SIB. Our results reveal that LVLMs struggle in cross-modal topic matching in lower-resource languages, performing no better than chance on languages like N'Koo. Our analysis further reveals that VL support in LVLMs declines disproportionately relative to textual support for lower-resource languages, as evidenced by comparison of cross-modal and text-only topical matching performance. We further observe that open-weight LVLMs do not benefit from representing a topic with more than one image, suggesting that these models are not yet fully effective at handling multi-image tasks. By correlating performance on MVL-SIB with other multilingual VL benchmarks, we highlight that MVL-SIB serves as a comprehensive probe of multilingual VL understanding in LVLMs.
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