Make Imagination Clearer! Stable Diffusion-based Visual Imagination for Multimodal Machine Translation

• URL: http://arxiv.org/abs/2412.12627v2
• Date: Mon, 06 Jan 2025 06:58:32 GMT
• Title: Make Imagination Clearer! Stable Diffusion-based Visual Imagination for Multimodal Machine Translation
• Authors: Andong Chen, Yuchen Song, Kehai Chen, Muyun Yang, Tiejun Zhao, Min Zhang,
• Abstract summary: We introduce a stable diffusion-based imagination network into a multimodal large language model (MLLM) to explicitly generate an image for each source sentence. We build human feedback with reinforcement learning to ensure the consistency of the generated image with the source sentence. Experimental results show that our model significantly outperforms existing multimodal MT and text-only MT.
• Score: 40.42326040668964
• License:
• Abstract: Visual information has been introduced for enhancing machine translation (MT), and its effectiveness heavily relies on the availability of large amounts of bilingual parallel sentence pairs with manual image annotations. In this paper, we introduce a stable diffusion-based imagination network into a multimodal large language model (MLLM) to explicitly generate an image for each source sentence, thereby advancing the multimodel MT. Particularly, we build heuristic human feedback with reinforcement learning to ensure the consistency of the generated image with the source sentence without the supervision of image annotation, which breaks the bottleneck of using visual information in MT. Furthermore, the proposed method enables imaginative visual information to be integrated into large-scale text-only MT in addition to multimodal MT. Experimental results show that our model significantly outperforms existing multimodal MT and text-only MT, especially achieving an average improvement of more than 14 BLEU points on Multi30K multimodal MT benchmarks.

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