activity
20242026
collaborators

18 papers

cs.LG2026

Disentangling 3D Modeling from Spatial Reasoning

Haoze Sun, Jiequan Cui, Qingshan Xu +1

In this work, we explore an alternative paradigm for spatial reasoning by explicitly disentangling 3D perception from reasoning, rather than jointly acquiring implicit 3D perceptio…

cs.LG2026

Class-frequency Guided Noise Schedule for Diffusion Models

Jiequan Cui, Beier Zhu, Qingshan Xu +3

In this paper, we are the first to examine the correlations between class frequency and the multi-scale noise schedule within diffusion models. For score-based generative models, l…

cs.AI2026

iFLYTEK-Embodied-Omni Technical Report

Yuan Zhang, Jingfei Ni, Guanchen Lu +12

General-purpose embodied agents must understand multimodal instructions, anticipate how their environment will evolve, and produce precise control actions over extended horizons. E…

cs.CV2026

From Uncertainty to Stability and Fidelity: Guiding Sparse-View 3D Gaussian Splatting with Fisher Information

Junbao Zhou, Qingshan Xu, Yuan Zhou +7

3D Gaussian Splatting (3DGS) has emerged as a promising technique for novel view synthesis. However, 3DGS requires dense input views to achieve high-quality rendering. In sparse-vi…

cs.CV2026

NOUS: Video-Driven 3D Human Reaction Generation via Observation-Reaction Mutual Steering

Yuan Zhou, Luanyuan Dai, Yongzhi Li +7

Video-driven 3D human reaction generation aims to synthesize 3D human motion in response to the action observed in a video, playing an important role in interactive multimedia syst…

cs.CV2025

NeuSpring: Neural Spring Fields for Reconstruction and Simulation of Deformable Objects from Videos

Qingshan Xu, Jiao Liu, Shangshu Yu +6

In this paper, we aim to create physical digital twins of deformable objects under interaction. Existing methods focus more on the physical learning of current state modeling, but…

cs.CV2025

Streaming Drag-Oriented Interactive Video Manipulation: Drag Anything, Anytime!

Junbao Zhou, Yuan Zhou, Kesen Zhao +4

Achieving streaming, fine-grained control over the outputs of autoregressive video diffusion models remains challenging, making it difficult to ensure that they consistently align…

cs.LG2025

Generative Distribution Distillation

Jiequan Cui, Beier Zhu, Qingshan Xu +6

In this paper, we formulate the knowledge distillation (KD) as a conditional generative problem and propose the \textit{Generative Distribution Distillation (GenDD)} framework. A n…

cs.CV2025

DragNeXt: Rethinking Drag-Based Image Editing

Yuan Zhou, Junbao Zhou, Qingshan Xu +5

Drag-Based Image Editing (DBIE), which allows users to manipulate images by directly dragging objects within them, has recently attracted much attention from the community. However…

cs.CV2025

On Path to Multimodal Generalist: General-Level and General-Bench

Hao Fei, Yuan Zhou, Juncheng Li +29

The Multimodal Large Language Model (MLLM) is currently experiencing rapid growth, driven by the advanced capabilities of LLMs. Unlike earlier specialists, existing MLLMs are evolv…

cs.CV2025

Personalize Your Gaussian: Consistent 3D Scene Personalization from a Single Image

Yuxuan Wang, Xuanyu Yi, Qingshan Xu +3

Personalizing 3D scenes from a single reference image enables intuitive user-guided editing, which requires achieving both multi-view consistency across perspectives and referentia…

cs.LG2025

Generalized Kullback-Leibler Divergence Loss

Jiequan Cui, Beier Zhu, Qingshan Xu +5

In this paper, we delve deeper into the Kullback-Leibler (KL) Divergence loss and mathematically prove that it is equivalent to the Decoupled Kullback-Leibler (DKL) Divergence loss…

cs.CV2025

Nautilus: Locality-aware Autoencoder for Scalable Mesh Generation

Yuxuan Wang, Xuanyu Yi, Haohan Weng +6

Triangle meshes are fundamental to 3D applications, enabling efficient modification and rasterization while maintaining compatibility with standard rendering pipelines. However, cu…

cs.CV2024

Pushing Rendering Boundaries: Hard Gaussian Splatting

Qingshan Xu, Jiequan Cui, Xuanyu Yi +4

3D Gaussian Splatting (3DGS) has demonstrated impressive Novel View Synthesis (NVS) results in a real-time rendering manner. During training, it relies heavily on the average magni…

cs.CV2024

CARE Transformer: Mobile-Friendly Linear Visual Transformer via Decoupled Dual Interaction

Yuan Zhou, Qingshan Xu, Jiequan Cui +4

Recently, large efforts have been made to design efficient linear-complexity visual Transformers. However, current linear attention models are generally unsuitable to be deployed i…

cs.CV2024

Few-shot NeRF by Adaptive Rendering Loss Regularization

Qingshan Xu, Xuanyu Yi, Jianyao Xu +3

Novel view synthesis with sparse inputs poses great challenges to Neural Radiance Field (NeRF). Recent works demonstrate that the frequency regularization of Positional Encoding (P…

cs.CV2024

MVGamba: Unify 3D Content Generation as State Space Sequence Modeling

Xuanyu Yi, Zike Wu, Qiuhong Shen +6

Recent 3D large reconstruction models (LRMs) can generate high-quality 3D content in sub-seconds by integrating multi-view diffusion models with scalable multi-view reconstructors.…

cs.CV2024

Diffusion Time-step Curriculum for One Image to 3D Generation

Xuanyu Yi, Zike Wu, Qingshan Xu +3

Score distillation sampling~(SDS) has been widely adopted to overcome the absence of unseen views in reconstructing 3D objects from a \textbf{single} image. It leverages pre-traine…