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cs.GR2025

Lightning Fast Caching-based Parallel Denoising Prediction for Accelerating Talking Head Generation

Jianzhi Long, Wenhao Sun, Rongcheng Tu +1

Diffusion-based talking head models generate high-quality, photorealistic videos but suffer from slow inference, limiting practical applications. Existing acceleration methods for…

cs.CV2025

AD-FM: Multimodal LLMs for Anomaly Detection via Multi-Stage Reasoning and Fine-Grained Reward Optimization

Jingyi Liao, Yongyi Su, Rong-Cheng Tu +6

While Multimodal Large Language Models (MLLMs) demonstrate remarkable capabilities across diverse domains, their application to specialized anomaly detection (AD) remains constrain…

cs.CV2025

SPAZER: Spatial-Semantic Progressive Reasoning Agent for Zero-shot 3D Visual Grounding

Zhao Jin, Rong-Cheng Tu, Jingyi Liao +4

3D Visual Grounding (3DVG) aims to localize target objects within a 3D scene based on natural language queries. To alleviate the reliance on costly 3D training data, recent studies…

cs.CV2025

Multimodal Reasoning Agent for Zero-Shot Composed Image Retrieval

Rong-Cheng Tu, Wenhao Sun, Hanzhe You +4

Zero-Shot Composed Image Retrieval (ZS-CIR) aims to retrieve target images given a compositional query, consisting of a reference image and a modifying text-without relying on anno…

cs.CV2025

VORTA: Efficient Video Diffusion via Routing Sparse Attention

Wenhao Sun, Rong-Cheng Tu, Yifu Ding +4

Video diffusion transformers have achieved remarkable progress in high-quality video generation, but remain computationally expensive due to the quadratic complexity of attention o…