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Multilingual Image Translation Dataset: OPUS-MIT-5M

The OPUS-MIT-5M image translation dataset is constructed by randomly sampling 5M sentence pairs from the OPUS corpus. image/png

Figure illustrates the distribution of image-text pairs across 20 language pairs within the OPUS-MIT-5M dataset.

A key goal in creating the OPUS-MIT-5M dataset is to ensure a balanced representation across languages to enable robust multilingual image translation. We endeavor to synthesize an equal number of image-text pairs for each language pair whenever possible. However, due to variations in the availability of parallel text data within the OPUS corpus, certain language pairs, specifically TH-ZH (Thai-Chinese) and HI-ZH (Hindi-Chinese), contain a lower number of synthesized images. This imbalance reflects the underlying distribution of the source data and poses a potential challenge for evaluating model performance on low-resource language pairs.

In future work, we will explore strategies to augment these low-resource subsets and further improve the cross-linguistic generalization capabilities of the model.

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