collaborators

6 papers

cs.MM2025

DeepFake Doctor: Diagnosing and Treating Audio-Video Fake Detection

Marcel Klemt, Carlotta Segna, Anna Rohrbach

Generative AI advances rapidly, allowing the creation of very realistic manipulated video and audio. This progress presents a significant security and ethical threat, as malicious…

cs.CV2025

Spurious-Aware Prototype Refinement for Reliable Out-of-Distribution Detection

Reihaneh Zohrabi, Hosein Hasani, Mahdieh Soleymani Baghshah +3

Out-of-distribution (OOD) detection is crucial for ensuring the reliability and safety of machine learning models in real-world applications, where they frequently face data distri…

cs.CV2025

Diffusion Classifiers Understand Compositionality, but Conditions Apply

Yujin Jeong, Arnas Uselis, Seong Joon Oh +1

Understanding visual scenes is fundamental to human intelligence. While discriminative models have significantly advanced computer vision, they often struggle with compositional un…

cs.CL2025

When To Solve, When To Verify: Compute-Optimal Problem Solving and Generative Verification for LLM Reasoning

Nishad Singhi, Hritik Bansal, Arian Hosseini +4

Scaling test-time compute has emerged as a key strategy for enhancing the reasoning capabilities of large language models (LLMs), particularly in tasks like mathematical problem-so…

cs.CV2025

VDial: Unification of Video and Visual Dialog via Multimodal Experts

Adnen Abdessaied, Anna Rohrbach, Marcus Rohrbach +1

We present VDial - a novel expert-based model specifically geared towards simultaneously handling image and video input data for multimodal conversational tasks. Current multim…

cs.CV2024

DEFAME: Dynamic Evidence-based FAct-checking with Multimodal Experts

Tobias Braun, Mark Rothermel, Marcus Rohrbach +1

The proliferation of disinformation demands reliable and scalable fact-checking solutions. We present Dynamic Evidence-based FAct-checking with Multimodal Experts (DEFAME), a modul…