collaborators

9 papers

cs.AI2026

ViDoRe V3: A Comprehensive Evaluation of Retrieval Augmented Generation in Complex Real-World Scenarios

António Loison, Quentin Macé, Antoine Edy +7

Retrieval-Augmented Generation (RAG) pipelines must address challenges beyond simple single-document retrieval, such as interpreting visual elements (tables, charts, images), synth…

cs.IR2026

Nemotron ColEmbed V2: Top-Performing Late Interaction Embedding Models for Visual Document Retrieval

Gabriel de Souza P. Moreira, Ronay Ak, Mengyao Xu +9

Retrieval-Augmented Generation (RAG) systems have been popular for generative applications, powering language models by injecting external knowledge. Companies have been trying to…

cs.CV2026

CausalCLIP: Causally-Informed Feature Disentanglement and Filtering for Generalizable Detection of Generated Images

Bo Liu, Qiao Qin, Qinghui He

The rapid advancement of generative models has increased the demand for generated image detectors capable of generalizing across diverse and evolving generation techniques. However…

cs.CL2025

Llama-Embed-Nemotron-8B: A Universal Text Embedding Model for Multilingual and Cross-Lingual Tasks

Yauhen Babakhin, Radek Osmulski, Ronay Ak +5

We introduce llama-embed-nemotron-8b, an open-weights text embedding model that achieves state-of-the-art performance on the Multilingual Massive Text Embedding Benchmark (MMTEB) l…

cs.CV2025

CoDefend: Cross-Modal Collaborative Defense via Diffusion Purification and Prompt Optimization

Fengling Zhu, Boshi Liu, Jingyu Hua +1

Multimodal Large Language Models (MLLMs) have achieved remarkable success in tasks such as image captioning, visual question answering, and cross-modal reasoning by integrating vis…

cs.CL2025

Omni-Embed-Nemotron: A Unified Multimodal Retrieval Model for Text, Image, Audio, and Video

Mengyao Xu, Wenfei Zhou, Yauhen Babakhin +6

We present Omni-Embed-Nemotron, a unified multimodal retrieval embedding model developed to handle the increasing complexity of real-world information needs. While Retrieval-Augmen…