collaborators

5 papers

cs.CV2026

Can Vision-Language Models Reason about AI Edits in Images?

Darsha Udayanga, Pin-Yu Chen, Payel Das +1

The paper explores training vision-language models with reinforcement learning to detect and localize AI-generated image edits, using reasoning traces and a lightweight segmentatio…

cs.AI2026

Patching LLM Like Software: A Lightweight Method for Improving Safety Policy in Large Language Models

Huzaifa Arif, Keerthiram Murugesan, Ching-Yun Ko +3

We propose patching for large language models (LLMs) like software versions, a lightweight and modular approach for addressing safety vulnerabilities. While vendors release improve…

cs.AI2025

Combining Domain and Alignment Vectors to Achieve Better Knowledge-Safety Trade-offs in LLMs

Megh Thakkar, Quentin Fournier, Matthew Riemer +4

There is a growing interest in training domain-expert LLMs that excel in specific technical fields compared to their general-purpose instruction-tuned counterparts. However, these…

cs.LG2025

PEEL the Layers and Find Yourself: Revisiting Inference-time Data Leakage for Residual Neural Networks

Huzaifa Arif, Keerthiram Murugesan, Payel Das +2

This paper explores inference-time data leakage risks of deep neural networks (NNs), where a curious and honest model service provider is interested in retrieving users' private da…

stat.ML2025

Fundamental Safety-Capability Trade-offs in Fine-tuning Large Language Models

Pin-Yu Chen, Han Shen, Payel Das +1

Fine-tuning Large Language Models (LLMs) on some task-specific datasets has been a primary use of LLMs. However, it has been empirically observed that this approach to enhancing ca…