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New LLM and encoding methods boost sign language translation

Researchers are exploring novel methods to improve sign language translation (SLT) by leveraging large language models and advanced encoding techniques. One approach uses GPT-4o to generate paraphrased target sentences, augmenting training data to enhance translation quality, particularly for languages with sparse vocabularies. Another method, FEA-SLT, integrates facial expressions as semantic anchors to resolve ambiguities in manual sign configurations, achieving state-of-the-art results among gloss-free methods. Additionally, the SAGE framework introduces segment-aware visual tokenization to create more efficient and scalable gloss-free SLT models by reducing input sequence lengths. AI

IMPACT Advances in LLM integration and efficient encoding promise more accurate and scalable sign language translation systems.

RANK_REASON Multiple research papers introducing new methods and frameworks for sign language translation.

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 6 sources. How we write summaries →

COVERAGE [6]

  1. arXiv cs.AI TIER_1 English(EN) · Pedro Dal Bianco, Jean Paul Nunes Reinhold, Oscar Stanchi, Facundo Quiroga, Franco Ronchetti, Ulisses Brisolara Corr\^ea ·

    Target-Side Paraphrase Augmentation for Sign Language Translation with Large Language Models

    arXiv:2605.31393v1 Announce Type: cross Abstract: Sign language translation (SLT) remains constrained by limited paired sign-video/text corpora and heavy-tailed target vocabularies. We study target-side augmentation in which GPT-4o generates controlled paraphrase variants of refe…

  2. arXiv cs.AI TIER_1 English(EN) · Ulisses Brisolara Corrêa ·

    Target-Side Paraphrase Augmentation for Sign Language Translation with Large Language Models

    Sign language translation (SLT) remains constrained by limited paired sign-video/text corpora and heavy-tailed target vocabularies. We study target-side augmentation in which GPT-4o generates controlled paraphrase variants of reference sentences while the sign input remains uncha…

  3. arXiv cs.CL TIER_1 English(EN) · Guobin Tu, Di Weng ·

    FEA-SLT: A Gloss-Free End-to-End Framework for Facial-Expression-Aware Sign Language Translation

    arXiv:2601.03549v2 Announce Type: replace-cross Abstract: Sign Language Translation (SLT) is a challenging cross-modal task requiring joint modeling of manual articulations and non-manual signals. Existing gloss-free SLT methods effectively capture gestural dynamics but often und…

  4. arXiv cs.CV TIER_1 English(EN) · Zeno Testa, Antonino Furnari, Lorenzo Baraldi, Natalia D\'iaz-Rodr\'iguez ·

    SLU-2K: A Question-Based Benchmark for Semantic Evaluation of Sign Language Translation

    arXiv:2606.03788v1 Announce Type: new Abstract: Sign Language Translation (SLT) is typically evaluated with surface-form metrics such as BLEU and ROUGE, which reward lexical overlap but do not directly measure whether a translation preserves the meaning of the source sign sequenc…

  5. arXiv cs.CV TIER_1 English(EN) · Natalia Díaz-Rodríguez ·

    SLU-2K: A Question-Based Benchmark for Semantic Evaluation of Sign Language Translation

    Sign Language Translation (SLT) is typically evaluated with surface-form metrics such as BLEU and ROUGE, which reward lexical overlap but do not directly measure whether a translation preserves the meaning of the source sign sequence. This is in contrast with the final objective …

  6. arXiv cs.CV TIER_1 English(EN) · JianHe Low, Ozge Mercanoglu Sincan, Richard Bowden ·

    SAGE: Segment-Aware Gloss-Free Encoding for Token-Efficient Sign Language Translation

    arXiv:2507.09266v2 Announce Type: replace Abstract: Gloss-free Sign Language Translation (SLT) has advanced rapidly, achieving strong performances without relying on gloss annotations. However, these gains have often come with increased model complexity and high computational dem…