activity
20232026
most citedRelightable 3D Gaussians: Realistic Point Cloud Relighting with BRDF Decomposition and Ray Tracing

7 citations · 14 across the 13 of their papers we have counts for

collaborators

16 papers

cs.RO2026

Training in Deployment: Human-in-the-loop Online Post-Training for Robot Manipulation

Chun Gu, Xiaofei Wei, Yiming Chen +4

Large pretrained robot foundation models provide strong priors for manipulation, yet adapting them to target tasks with offline teleoperated demonstrations often fails to cover the…

cs.RO2026

SMR: Learning streaming motion retargeting for humanoids from human semantic

Chun Gu, Juntong Zhang, Jingyu Li +1

Retargeting human motion to humanoids requires preserving motion semantics while accounting for the robot's physical constraints. Kinematic pipelines prescribe a robot trajectory t…

cs.RO2026

Forward Dynamics Models

Zipei Ma, Junzhe Jiang, Jiahui Zhang +6

Vision-language-action (VLA) models and world action models (WAMs) have advanced robotic policy learning by building on pretrained vision-language models (VLMs) and video generativ…

cs.GR2026

Inter-Reflective Gaussian Splatting for Robust and Efficient Inverse Rendering

Chun Gu, Xiaofei Wei, Zixuan Zeng +2

Faithful inverse rendering requires visibility and indirect radiance to explain secondary illumination and inter-reflection, yet rasterization-oriented Gaussian representations do…

cs.RO2026

From Imagined Futures to Executable Actions: Mixture of Latent Actions for Robot Manipulation

Yajie Li, Bozhou Zhang, Chun Gu +5

Video generation models offer a promising imagination mechanism for robot manipulation by predicting long-horizon future observations, but effectively exploiting these imagined fut…

cs.RO2026

NavOL: Navigation Policy with Online Imitation Learning

Xiaofei Wei, Chun Gu, Li Zhang

Learning robust navigation policies remains a core challenge in robotics. Offline imitation learning suffers from distribution shift and compounding errors at rollout, while reinfo…

cs.RO2025

Reinforcing Action Policies by Prophesying

Jiahui Zhang, Ze Huang, Chun Gu +2

Vision-Language-Action (VLA) policies excel in aligning language, perception, and robot control. However, most VLAs are trained purely by imitation, which overfits to demonstration…

cs.CV2025

TensoFlow: Tensorial Flow-based Sampler for Inverse Rendering

Chun Gu, Xiaofei Wei, Li Zhang +1

Inverse rendering aims to recover scene geometry, material properties, and lighting from multi-view images. Given the complexity of light-surface interactions, importance sampling…

cs.CV2025★ 1 cited

GS-LiDAR: Generating Realistic LiDAR Point Clouds with Panoramic Gaussian Splatting

Junzhe Jiang, Chun Gu, Yurui Chen +1

LiDAR novel view synthesis (NVS) has emerged as a novel task within LiDAR simulation, offering valuable simulated point cloud data from novel viewpoints to aid in autonomous drivin…

cs.CV2024

Reflective Gaussian Splatting

Yuxuan Yao, Zixuan Zeng, Chun Gu +2

Novel view synthesis has experienced significant advancements owing to increasingly capable NeRF- and 3DGS-based methods. However, reflective object reconstruction remains challeng…

cs.CV2024

IRGS: Inter-Reflective Gaussian Splatting with 2D Gaussian Ray Tracing

Chun Gu, Xiaofei Wei, Zixuan Zeng +2

In inverse rendering, accurately modeling visibility and indirect radiance for incident light is essential for capturing secondary effects. Due to the absence of a powerful Gaussia…

cs.CV2024★ 1 cited

Tetrahedron Splatting for 3D Generation

Chun Gu, Zeyu Yang, Zijie Pan +2

3D representation is essential to the significant advance of 3D generation with 2D diffusion priors. As a flexible representation, NeRF has been first adopted for 3D representation…

cs.CV2024★ 1 cited

Diffusion: Dynamic 3D Content Generation via Score Composition of Video and Multi-view Diffusion Models

Zeyu Yang, Zijie Pan, Chun Gu +1

Recent advancements in 3D generation are predominantly propelled by improvements in 3D-aware image diffusion models. These models are pretrained on Internet-scale image data and fi…

cs.CV2023★ 4 cited

Periodic Vibration Gaussian: Dynamic Urban Scene Reconstruction and Real-time Rendering

Yurui Chen, Chun Gu, Junzhe Jiang +2

Modeling dynamic, large-scale urban scenes is challenging due to their highly intricate geometric structures and unconstrained dynamics in both space and time. Prior methods often…

cs.CV2023★ 7 cited

Relightable 3D Gaussians: Realistic Point Cloud Relighting with BRDF Decomposition and Ray Tracing

Jian Gao, Chun Gu, Youtian Lin +5

In this paper, we present a novel differentiable point-based rendering framework to achieve photo-realistic relighting. To make the reconstructed scene relightable, we enhance vani…

cs.CV2023

Single-view Neural Radiance Fields with Depth Teacher

Yurui Chen, Chun Gu, Feihu Zhang +1

Neural Radiance Fields (NeRF) have been proposed for photorealistic novel view rendering. However, it requires many different views of one scene for training. Moreover, it has poor…