Papers by Yassine Ouali
Efficient Vision-Language pre-training via domain-specific learning for human activities (2024.emnlp-main)
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| Challenge: | Current vision-language models owe their success to large-scale pretraining on web-collected data. |
| Approach: | They propose a domain-aligned pretraining strategy that aligns the downstream tasks to the downstream domain without additional data collection. |
| Outcome: | The proposed method outperforms existing models on large-scale vision-language training datasets while preserving generalist knowledge. |
Vision-Free Retrieval: Rethinking Multimodal Search with Textual Scene Descriptions (2025.emnlp-main)
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| Challenge: | Contrastively trained Vision-Language Models exhibit shallow language understanding, manifesting bag-of-words behaviour. |
| Approach: | They propose a vision-free, single-encoder retrieval pipeline to replace traditional text-to-image retrieval paradigm with structured image descriptions. |
| Outcome: | The proposed approach reduces the modality gap and improves compositionality and performance on short and long caption queries. |