Multimodal Machine Translation with Embedding Prediction
Tosho Hirasawa, Hayahide Yamagishi, Yukio Matsumura, Mamoru Komachi
Abstract
Multimodal machine translation is an attractive application of neural machine translation (NMT). It helps computers to deeply understand visual objects and their relations with natural languages. However, multimodal NMT systems suffer from a shortage of available training data, resulting in poor performance for translating rare words. In NMT, pretrained word embeddings have been shown to improve NMT of low-resource domains, and a search-based approach is proposed to address the rare word problem. In this study, we effectively combine these two approaches in the context of multimodal NMT and explore how we can take full advantage of pretrained word embeddings to better translate rare words. We report overall performance improvements of 1.24 METEOR and 2.49 BLEU and achieve an improvement of 7.67 F-score for rare word translation.- Anthology ID:
- N19-3012
- Volume:
- Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Student Research Workshop
- Month:
- June
- Year:
- 2019
- Address:
- Minneapolis, Minnesota
- Editors:
- Sudipta Kar, Farah Nadeem, Laura Burdick, Greg Durrett, Na-Rae Han
- Venue:
- NAACL
- SIG:
- Publisher:
- Association for Computational Linguistics
- Note:
- Pages:
- 86–91
- Language:
- URL:
- https://aclanthology.org/N19-3012
- DOI:
- 10.18653/v1/N19-3012
- Cite (ACL):
- Tosho Hirasawa, Hayahide Yamagishi, Yukio Matsumura, and Mamoru Komachi. 2019. Multimodal Machine Translation with Embedding Prediction. In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Student Research Workshop, pages 86–91, Minneapolis, Minnesota. Association for Computational Linguistics.
- Cite (Informal):
- Multimodal Machine Translation with Embedding Prediction (Hirasawa et al., NAACL 2019)
- PDF:
- https://preview.aclanthology.org/nschneid-patch-4/N19-3012.pdf
- Code
- toshohirasawa/nmtpytorch-emb-pred