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Zekun Zhang

4 accepted papers

2026

DECOR: Learning to Decompose and Collaborate in Deep Search via Multi-Agent Reinforcement Learning

ICML 2026poster

Monolithic agents in deep search often suffer from "cognitive overload," while existing multi-agent approaches mostly rely on frozen models that cannot learn from collaboration failures. To bridge this gap, we propose $\textbf{DECOR}$ ($\textbf{DE}$compose and $\textbf{CO}$llaborate via $\textbf{R}$…

Cited by 0SourceScholar
2026

Mixture of Distributions Matters: Dynamic Sparse Attention for Efficient Video Diffusion Transformers

ICML 2026poster

While Diffusion Transformers (DiTs) have achieved notable progress in video generation, this long-sequence generation task remains constrained by the quadratic complexity inherent to self-attention mechanisms, creating significant barriers to practical deployment. Although sparse attention methods a…

Cited by 0SourceScholar
2024

Error Detection in Egocentric Procedural Task Videos

CVPR 2024poster

We present a new egocentric procedural error dataset containing videos with various types of errors as well as normal videos and propose a new framework for procedural error detection using error-free training videos only. Our framework consists of an action segmentation model and a contrastive step…

Cited by 15SourcePDFScholar