Xiao-Xiao Long's Homepage

Selected Publications (full papers)

* Equal contributions; † Corresponding authors

LiteVGGT teaser

LiteVGGT: Boosting Vanilla VGGT via Geometry-aware Cached Token Merging

Zhijian Shu*, Cheng Lin, Tao Xie, Wei Yin, Ben Li, Zhiyuan Pu, Weize Li, Yao Yao, Xun Cao, Xiaoyang Guo, Xiao-Xiao Long†

CVPR 2026 [WebPage] [Paper] [Code]

OLATverse teaser

OLATverse: A Large-scale Real-world Object Dataset with Precise Lighting Control

Xilong Zhou, Jianchun Chen, Pramod Rao, Timo Teufel, Linjie Lyu, Tigran Minasian, Oleksandr Sotnychenko, Xiao-Xiao Long, Marc Habermann, Christian Theobalt

Arxiv [WebPage] [Paper] [Code]

SpatialVID teaser

SpatialVID: A Large-Scale Video Dataset with Spatial Annotations

Jiahao Wang, Yufeng Yuan, Rujie Zheng*, Youtian Lin, Jian Gao, Lin-Zhuo Chen, Yajie Bao, Yi Zhang, Chang Zeng, Yanxi Zhou, Xiao-Xiao Long, Hao Zhu, Zhaoxiang Zhang, Xun Cao, Yao Yao†

CVPR 2026 [WebPage] [Paper] [Code] [Data]

Iris3D: 3D Generation via Synchronized Diffusion Distillation

Yixun Liang, Weiyu Li, Rui Chen, Fei-Peng Tian, Jiarui Liu, Ying-Cong Chen, Ping Tan, Xiao-Xiao Long

ACM TOG 2025 [Paper]

Embodied world models survey teaser

A Survey: Learning Embodied Intelligence from Physical Simulators and World Models

Xiao-Xiao Long, Qingrui Zhao, Kaiwen Zhang, Zihao Zhang, Dingrui Wang, Yumeng Liu, Zhengjie Shu, Yi Lu, Shouzheng Wang, Xinzhe Wei, Wei Li, Wei Yin, Yao Yao, Jia Pan, Qiu Shen, Ruigang Yang, Xun Cao, Qionghai Dai

Arxiv [Paper] [Repo]

Epona: Autoregressive Diffusion World Model for Autonomous Driving

Kaiwen Zhang, Zhenyu Tang, Xiaotao Hu, Xingang Pan, Xiaoyang Guo, Yuan Liu, Jingwei Huang, Li Yuan, Qian Zhang, Xiao-Xiao Long, Xun Cao, Wei Yin†

ICCV 2025 [WebPage] [Paper] [Code] [Model]

DOME: Taming Diffusion Model into High-Fidelity Controllable Occupancy World Model

Songen Gu, Wei Yin†, Bu Jin, Xiaoyang Guo, Junming Wang, Haodong Li, Qian Zhang, Xiao-Xiao Long†

Arxiv [WebPage] [Paper] [Code]

Drive-JEPA teaser

Drive-JEPA: Video JEPA Meets Multimodal Trajectory Distillation for End-to-End Driving

Linhan Wang, Zichong Yang, Chen Bai, Guoxiang Zhang, Xiaotong Liu, Xiaoyin Zheng, Xiao-Xiao Long, Chang-Tien Lu, Cheng Lu

Arxiv [Paper] [Code]

Make Tracking Easy: Neural Motion Retargeting for Humanoid Whole-body Control

Qingrui Zhao, Kaiyue Yang, Xiyu Wang, Shiqi Zhao, Yi Lu, Xinfang Zhang, Wei Yin, Qiu Shen, Xiao-Xiao Long†, Xun Cao†

Arxiv [WebPage] [Paper] [Code] [Demo]

DrivingWorld: Constructing World Model for Autonomous Driving via Video GPT

Xiaotao Hu, Wei Yin, Mingkai Jia, Junyuan Deng, Xiaoyang Guo, Qian Zhang, Xiao-Xiao Long†, Ping Tan

Arxiv [WebPage] [Paper] [Code]

LM-Gaussian: Boost Sparse-view 3D Gaussian Splatting with Large Model Priors

Hanyang Yu, Xiao-Xiao Long†, Ping Tan

Arxiv [WebPage] [Paper] [Code]

RaDe-GS: Rasterizing Depth in Gaussian Splatting

Baowen Zhang, Chuan Fang, Rakesh Shrestha, Yixun Liang, Xiao-Xiao Long, Ping Tan

Arxiv [WebPage] [Paper] [Code]

EasyHOI: Unleashing the Power of Large Models for Reconstructing Hand-Object Interactions in the Wild

Yumeng Liu, Xiao-Xiao Long†, Yuan Liu, Marc Habermann, Christian Theobalt, Yuexin Ma†, Wenping Wang

CVPR 2025 [WebPage] [Paper] [Code]

CraftsMan3D: High-fidelity Mesh Generation with 3D Native Generation and Interactive Geometry Refiner

Weiyu Li, Jiarui Liu, Rui Chen, Yixun Liang, Xuelin Chen, Ping Tan, Xiao-Xiao Long†

CVPR 2025 [WebPage] [Paper] [Code]

OccRWKV: Rethinking Efficient 3D Semantic Occupancy Prediction with Linear Complexity

Junming Wang, Wei Yin, Xiao-Xiao Long†, Xingyu Zhang, Zebin Xing, Xiaoyang Guo, Qian Zhang

ICRA 2025 [WebPage] [Paper] [Code]

DC-Gaussian: Improving 3D Gaussian Splatting for Reflective Dash Cam Videos

Linhan Wang, Kai Cheng, Shuo Lei, Shengkun Wang, Wei Yin, Chengyang Lei, Xiao-Xiao Long†, Chang-Tien Lu

NeurIPS 2024 [WebPage] [Paper] [Code]

Era3D: High-Resolution Multiview Diffusion using Efficient Row-wise Attention

Peng Li, Yuan Liu, Xiao-Xiao Long†, Feihu Zhang, Cheng Lin, Mengfei Li, Xingqun Qi, Shanghang Zhang, Wenhan Luo, Ping Tan, Wenping Wang, Qifeng Liu, Yike Guo†

NeurIPS 2024 [WebPage] [Paper] [Code]

Metric3D v2: A Versatile Monocular Geometric Foundation Model for Zero-shot Metric Depth and Surface Normal Estimation

Mu Hu, Wei Yin, Chi Zhang, Zhipeng Cai, Xiao-Xiao Long†, Hao Chen, Kaixuan Wang, Gang Yu, Chunhua Shen, Shaojie Shen

T-PAMI 2024 [WebPage] [Paper] [Code] [Live Demo]

GaussianGrasper: 3D Language Gaussian Splatting for Open-vocabulary Robotic Grasping

Yuhang Zhen, Xiangyu Chen, Yupeng Zheng, Songen Gu, Runyi Yang, Bu Jin, Pengfei Li, Chengliang Zhong, Zengmao Wang, Lina Liu, Chao Yang, Dawei Wang, Zhen Chen, Xiao-Xiao Long†, Meiqing Wang†

RAL 2024 [WebPage] [Paper] [Code]

GeoWizard: Unleashing the Diffusion Priors for 3D Geometry Estimation from a Single Image

Xiao Fu, Wei Yin, Mu Hu*, Kaixuan Wang, Yuexin Ma, Ping Tan, Shaojie Shen, Dahua Lin, Xiao-Xiao Long†

ECCV 2024 [WebPage] [Paper] [Code]

Surf-D: High-Quality Surface Generation for Arbitrary Topologies using Diffusion Models

Zhengming Yu, Zhiyang Dou, Xiao-Xiao Long, Cheng Lin, Zekun Li, Yuan Liu, Norman Müller, Taku Komura, Marc Habermann, Christian Theobalt, Xin Li, Wenping Wang

ECCV 2024 [WebPage] [Paper] [Code]

NeRFBuff: Fast Neural Rendering via Inter-frame Feature Buffering

Anran Liu, Yuan Liu†, Xiao-Xiao Long†, Peng Wang, Cheng Lin, Ping Luo, Wenping Wang

TVCG 2024 [Paper]

Part123: Part-aware 3D Reconstruction from a Single-view Image

Anran Liu, Cheng Lin, Yuan Liu, Xiao-Xiao Long†, Zhiyang Dou, Hao-Xiang Guo, Ping Luo, Wenping Wang†,

SIGGRAPH 2024 [WebPage] [Paper]

GaussianPro: 3D Gaussian Splatting with Progressive Propagation

Kai Cheng, Xiao-Xiao Long, Kaizhi Yang, Yao Yao, Wei Yin, Yuexin Ma, Wenping Wang, Xuejin Chen

ICML 2024 [WebPage] [Paper] [Code]

ASN++: Adaptive Surface Normal Constraint for Geometric Estimation from Monocular Images

Xiao-Xiao Long, Yuhang Zheng, Yupeng Zheng, Beiwen Tian, Cheng Lin, Lingjie Liu, Hao Zhao†, Guyue Zhou, Wenping Wang†

PAMI 2024 [WebPage] [Paper] [Code]

Wonder3D: Single Image to 3D using Cross-Domain Diffusion

Xiao-Xiao Long, Yuanchen Guo, Cheng Lin†, Yuan Liu, Zhiyang Dou, Lingjie Liu, Yuexin Ma, Song-Hai Zhang, Marc Habermann, Christian Theobalt, Wenping Wang†

CVPR2024 [WebPage] [Paper] [Code] [Live Demo]

GaussianShader: 3D Gaussian Splatting with Shading Functions for Reflective Surfaces

Yingwenqi Jiang, Jiadong Tu, Yuan Liu, Xifeng Gao, Xiao-Xiao Long✝, Wenping Wang, Yuexin Ma✝

CVPR2024 [WebPage] [Paper] [Code]

MonoOcc: Digging into Monocular Semantic Occupancy Prediction

Yupeng Zheng, Xiang Li, Xiao-Xiao Long#, Pengfei Li, Yuhang Zheng, Chengliang Zhong, Bu Jin, Hao Zhao, Guyue Zhou, Qichao Zhang

ICRA 2024 (# Project Lead)

UC-NeRF: Neural Radiance Field for Under-Calibrated Multi-view Cameras in Autonomous Driving

Kai Cheng, Xiao-Xiao Long, Wei Yin, Jin Wang, Zhiqiang Wu, Yuexin Ma, Kaixuan Wang, Xiaozhi Chen, Xuejin Chen

ICLR 2024 [Paper] [Project Page] [Code]

SyncDreamer: Generating Multiview-consistent Images from a Single-view Image

Yuan Liu, Cheng Lin†, Zijiao Zeng, Xiao-Xiao Long†, Lingjie Liu, Taku Komura, Wenping Wang✝

ICLR 2024 (Spotlight) [Paper] [Project Page] [Code] [Live Demo]

NeTO: Neural Reconstruction of Transparent Objects with Self-Occlusion Aware Refraction-Tracing

Zongcheng Li, Xiao-Xiao Long, Yusen Wang, Tuo Cao, Wenping Wang, Fei Luo, Chunxia Xiao

ICCV 2023 [Paper] [Project Page] [Code]

NeRO: Neural Geometry and BRDF Reconstruction of Reflective Objects from Multiview Images

Yuan Liu, Peng Wang, Cheng Lin, Xiao-Xiao Long, Jiepeng Wang, Lingjie Liu, Taku Komura, Wenping Wang

SIGGRAPH 2023 (Journal Track) [Paper] [Project Page] [Code]

NeuralUDF: Learning Unsigned Distance Fields for Multi-view Reconstruction of Surfaces with Arbitrary Topologies

Xiao-Xiao Long, Cheng Lin†, Lingjie Liu, Yuan Liu, Peng Wang, Christian Theobalt, Taku Komura, Wenping Wang†

CVPR 2023 [Paper] [Project Page] [Code]

SparseNeuS: Fast Generalizable Neural Surface Reconstruction from Sparse Views

Xiao-Xiao Long, Cheng Lin, Peng Wang, Taku Komura, Wenping Wang

ECCV 2022 [Paper] [Project Page] [Code]

Gen6D: Generalizable Model-Free 6-DoF Object Pose Estimation from RGB Images

Yuan Liu, Yilin Wen, Sida Peng, Cheng Lin, Xiao-Xiao Long, Taku Komura, Wenping Wang

ECCV 2022 [Paper] [Project Page] [Code] [Video]

NeuRIS: Neural Reconstruction of Indoor Scenes Using Normal Priors

Jiepeng Wang, Peng Wang, Xiao-Xiao Long, Christian Theobalt, Taku Komura, Lingjie Liu, Wenping Wang

ECCV 2022 [Paper] [Project Page] [Code]

Adaptive Surface Normal Constraint for Depth Estimation

Xiao-Xiao Long, Cheng Lin, Lingjie Liu, Wei Li, Christian Theobalt, Ruigang Yang, Wenping Wang

ICCV 2021 [Paper] [Code]

Multi-view Depth Estimation using Epipolar Spatio-Temporal Networks

Xiao-Xiao Long, Lingjie Liu, Wei Li, Christian Theobalt, Wenping Wang

CVPR 2021 [Paper] [Project Page] [Code]

Occlusion-Aware Depth Estimation with Adaptive Normal Constraints

Xiao-Xiao Long, Lingjie Liu, Christian Theobalt, Wenping Wang

ECCV 2020 [Paper] [Project Page] [Code] [Video]