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Xiang-Qi Li

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Preprint Sep 2026

SceneScaffold: Active Scene-State Construction for Unified 3D Scene Understanding

Recent 3D large multimodal models (3D-LMMs) rely on a visual bottleneck to compress complex 3D scene evidence into a limited number of visual tokens compatible with large language models (LLMs). Current visual bottlenecks, however, often passively compress heterogeneous 3D evidence into a homogeneous object-centric tok...

Xiang-Qi Li, Li-Bo Huang, Jia-Rui Zhao et al. · 0 citations
Aug 2026

S $^{2}$ Q-VDiT$^+$: Accurate Quantized Video Diffusion Transformer with Multi-Resolution Sampling and Structural Distillation.

Large-scale video diffusion models (V-DMs) have achieved remarkable text-to-video generation quality, yet their massive computational complexity makes deployment costly. Post-Training Quantization (PTQ) offers an appealing route to accelerate inference without retraining, but existing diffusion PTQ methods remain fragi...

Wei-Lun Feng, Chuan-Guang Yang, Haotong Qin et al. · 3 citations
Book Open access May 2025

PrePrompt: Predictive Prompting for Class Incremental Learning

P predictive Prompting (PrePrompt) is proposed, a novel CIL framework that circumvents correlation-based limitations by leveraging the inherent classification ability of pre-trained models to predict task-specific prompts and decomposes CIL into a two-stage prediction process: task-specific prompt prediction followed b...

Libo Huang, Xiang-Qi Li, Jia-Rui Zhao et al. · 4 citations
Book Open access Aug 2026

PrePrompt: Predictive Prompting for Class Incremental Learning

Prompt-based learning has emerged as a promising paradigm for Class Incremental Learning (CIL), enabling pre-trained models to adapt efficiently to open-world scenarios. Existing methods often employ correlation-based strategies, where an image's feature serves as a query to retrieve the most relevant key prompts, with...

Libo Huang, Xiangqi Li, Jiarui Zhao et al. · 0 citations

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