الباحثون

Boyu Zhang

المنشورات 3

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SAGE: Subspace Alignment for Classifier-Free Guidance in Mixture-of-Experts Diffusion Models

Boyu Zhang, Yangming Cheng, Ning Zhang وآخرون · 2026

Diffusion Transformers with Mixture-of-Experts (MoE) routing are a leading recipe for scaling generative models. Classifier-Free Guidance (CFG) is essential for generation quality, yet excessively high guidance scales trigger collapse. We identify a previously unreported failure mode in their combination: the two CFG b …

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TSGate: Timestep-Aware Gated Attention for Diffusion Transformers

Boyu Zhang, Yifan Liu, Shuxia Lin وآخرون · 2026

Diffusion Transformers (DiTs) have emerged as the dominant architecture for high-fidelity image and video generation. Recent DiT systems increasingly use structured prompts for training, improving caption quality and prompt adherence. However, their generation quality can degrade severely under out-of-domain (OOD) prom …

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