ArXiv TLDR

Lei Chen

3 papers · Latest:

Computer Vision

UniGenDet: A Unified Generative-Discriminative Framework for Co-Evolutionary Image Generation and Generated Image Detection

UniGenDet is a unified generative-discriminative framework that co-evolves image generation and detection, achieving state-of-the-art performance.

2604.21904
Natural Language Processing

Toward Autonomous Long-Horizon Engineering for ML Research

AiScientist is a new system for autonomous long-horizon ML research engineering, using hierarchical orchestration and a File-as-Bus workspace for durable state continuity.

2604.13018
Cryptography & Security

Securing Retrieval-Augmented Generation: A Taxonomy of Attacks, Defenses, and Future Directions

This paper taxonomizes RAG security, distinguishing LLM-inherent risks from RAG-specific threats, and reviews attacks, defenses, and future directions.

2604.08304

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