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Dan Oneata

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Pathways of Visual Information Flow in Vision-Language Models

Across three visual tasks, it is shown that pathway selection is task-dependent, and that data distribution and prompt design can also modulate which pathway is used to solve the image-based query.

Israfel Salazar, Stella Frank, Dan Oneata et al. · 3 citations · ⚡1
#small language model Preprint Sep 2026

Towards Zero-Shot Attribution of Synthetic Speech via Audio-Text Contrastive Retrieval

This model couples a frozen Wav2Vec2-BERT audio encoder with a frozen E5 text encoder and aligns them through small trainable projection heads, using a contrastive objective that combines a cross-modal supervised-contrastive loss with intra-modal terms.

Cristian-Teodor Neamtu, Serban Mihalache, Stefan Smeu et al. · 0 citations
Preprint Aug 2026

Foundation Models are Implicit Deepfake Detectors

This work uncovers a surprisingly consistent phenomenon: across multiple pretrained models, datasets, and both image and video domains, fake samples systematically produce lower-magnitude representations than their real counterparts.

Stefan Smeu, Dragos-Alexandru Boldisor, Elisabeta Oneata et al. · 0 citations

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