collaborators

7 papers

cs.CR2026

Soft Redaction of Image Provenance via Zero-Knowledge Proofs

Muhammad Awan, John Collomosse

Content provenance standards, such as C2PA, are increasingly used to attach signed records of origin, editing history, and rights to digital images. However, provenance transparenc…

cs.CL2026

The Warrant Gap: Claim-Conditioned Re-scoring for Fact-Checking

Arka Ujjal Dey, John Collomosse

Fact-checking systems built on LLMs achieve high verdict accuracy on standard benchmarks, yet routinely output Supports labels whose cited evidence does not license the claim. Stru…

cs.AI2025

MAD-Sherlock: Multi-Agent Debate for Visual Misinformation Detection

Kumud Lakara, Georgia Channing, Christian Rupprecht +4

One of the most challenging forms of misinformation involves pairing images with misleading text to create false narratives. Existing AI-driven detection systems often require doma…

cs.MM2025

Fact-Checking with Contextual Narratives: Leveraging Retrieval-Augmented LLMs for Social Media Analysis

Arka Ujjal Dey, Muhammad Junaid Awan, Georgia Channing +2

We propose CRAVE (Cluster-based Retrieval Augmented Verification with Explanation); a novel framework that integrates retrieval-augmented Large Language Models (LLMs) with clusteri…

cs.CY2025

Content ARCs: Decentralized Content Rights in the Age of Generative AI

Kar Balan, Andrew Gilbert, John Collomosse

The rise of Generative AI (GenAI) has sparked significant debate over balancing the interests of creative rightsholders and AI developers. As GenAI models are trained on vast datas…

cs.CV2025

MultiNeRF: Multiple Watermark Embedding for Neural Radiance Fields

Yash Kulthe, Andrew Gilbert, John Collomosse

We present MultiNeRF, a 3D watermarking method that embeds multiple uniquely keyed watermarks within images rendered by a single Neural Radiance Field (NeRF) model, whilst maintain…