About Me

Hi, I am Changqing Zhou (JuIvyy). I work on 3D vision, world models and agents.

czhou149@connect.hkust-gz.edu.cn

Research

3D Vision

Occupancy prediction and 3R models for feed-forward 3D reconstruction.

World Model

Unified world-action diffusion models that connect scene prediction with decision making.

Agents

Embodied agents for visual navigation in 3D environments.

News

2026.08We released UniNav.
2026.07We released GPOcc++.
AcceptedRelTopo is accepted at KDD 2026.
AcceptedFreeOcc is accepted at RSS 2026.
AcceptedLegoOcc is accepted at CVPR 2026 as an Oral presentation, and selected as an Award Candidate.
AcceptedGPOcc is accepted at CVPR 2026.

Selected Publications

^* indicates equal contribution.

UniNav arXiv 2026

UniNav: A Unified World-Action Diffusion Model for Visual Navigation

C. Zhou, Y. Luo, Z. Jiang, C. Chen

arXiv preprint, 2026

GPOcc++ arXiv 2026

GPOcc++: Unified Sparse Gaussian Occupancy Prediction with Visual Geometry Priors

C. Zhou, Y. Luo, Y. Guo, B. Wang, J. Qin, C. Chen

arXiv preprint, 2026

FreeOcc thumbnail

RSS 2026

FreeOcc: Training-Free Embodied Open-Vocabulary Occupancy Prediction

Z. Jiang^*, C. Zhou^*, X. Zuo, C. Chen

Robotics: Science and Systems (RSS), 2026

LegoOcc thumbnail

CVPR 2026

LegoOcc: Monocular Open-Vocabulary Occupancy Prediction for Indoor Scenes

C. Zhou, Y. Luo, H. Zhang, Z. Jiang, C. Chen

CVPR 2026 Oral Award Candidate

Project Paper Code

GPOcc thumbnail

CVPR 2026

GPOcc: Generalizing Visual Geometry Priors to Sparse Gaussian Occupancy Prediction

C. Zhou, Y. Luo, C. Chen

CVPR 2026

Project Paper Code

Point-BEV fusion thumbnail

TPAMI 2024

Exploring Point-BEV Fusion for 3D Point Cloud Object Tracking with Transformer

Z. Luo^*, C. Zhou^*, L. Pan, G. Zhang, T. Liu, Y. Luo, H. Zhao, Z. Liu, S. Lu

IEEE TPAMI, 2024

CVPR 2022

PTTR: Relational 3D Point Cloud Object Tracking with Transformer

C. Zhou^*, Z. Luo^*, Y. Luo^*, T. Liu, L. Pan, Z. Cai, H. Zhao, S. Lu

CVPR 2022

Domain adaptive 3D detection thumbnail

ICCV 2021

Unsupervised Domain Adaptive 3D Detection with Multi-Level Consistency

Z. Luo^*, Z. Cai^*, C. Zhou^*, G. Zhang, H. Zhao, S. Yi, S. Lu, H. Li, S. Zhang, Z. Liu

ICCV 2021

Auto-exposure fusion thumbnail

CVPR 2021

Auto-Exposure Fusion for Single-Image Shadow Removal

L. Fu^*, C. Zhou^*, Q. Guo, F. Juefei-Xu, H. Yu, W. Feng, Y. Liu, S. Wang

CVPR 2021

Full publication list