activity
20182026
most citedL2G Auto-encoder: Understanding Point Clouds by Local-to-Global Reconstruction with Hierarchical Self-Attention

74 citations · 540 across the 72 of their papers we have counts for

collaborators

74 papers

cs.CV2026

City-Level 3D Surface Reconstruction with Viewpoint Orientation Partitioning and Scene Completion

Liang Han, Wenyuan Zhang, Junsheng Zhou +2

Multi-view 3D surface reconstruction is a longstanding challenge in computer vision. Although recent large-scale reconstruction methods based on 3D Gaussian Splatting (3DGS) achiev…

cs.CV2026

Sparse-View Surface Reconstruction using Gaussian Splatting through High-Confidence Depth Propagation with Normal Priors

Liang Han, Bangcai Wei, Junsheng Zhou +2

3D reconstruction from sparse views is a challenging task in 3D computer vision. Recent studies on 3D Gaussian Splatting (3DGS) have achieved remarkable results with sparse views i…

cs.CV2026

VidSplat: Gaussian Splatting Reconstruction with Geometry-Guided Video Diffusion Priors

Jimin Tang, Wenyuan Zhang, Junsheng Zhou +5

Gaussian Splatting has achieved remarkable progress in multi-view surface reconstruction, yet it exhibits notable degradation when only few views are available. Although recent eff…

cs.CV2025

PFF-Net: Patch Feature Fitting for Point Cloud Normal Estimation

Qing Li, Huifang Feng, Kanle Shi +4

Estimating the normal of a point requires constructing a local patch to provide center-surrounding context, but determining the appropriate neighborhood size is difficult when deal…

cs.CV2025

Learning Compact Latent Space for Representing Neural Signed Distance Functions with High-fidelity Geometry Details

Qiang Bai, Bojian Wu, Xi Yang +1

Neural signed distance functions (SDFs) have been a vital representation to represent 3D shapes or scenes with neural networks. An SDF is an implicit function that can query signed…

cs.CV2025

U-CAN: Unsupervised Point Cloud Denoising with Consistency-Aware Noise2Noise Matching

Junsheng Zhou, Xingyu Shi, Haichuan Song +3

Point clouds captured by scanning sensors are often perturbed by noise, which have a highly negative impact on downstream tasks (e.g. surface reconstruction and shape understanding…

cs.CV2025

MaterialRefGS: Reflective Gaussian Splatting with Multi-view Consistent Material Inference

Wenyuan Zhang, Jimin Tang, Weiqi Zhang +3

Modeling reflections from 2D images is essential for photorealistic rendering and novel view synthesis. Recent approaches enhance Gaussian primitives with reflection-related materi…

cs.CV2025

SparseRecon: Neural Implicit Surface Reconstruction from Sparse Views with Feature and Depth Consistencies

Liang Han, Xu Zhang, Haichuan Song +3

Surface reconstruction from sparse views aims to reconstruct a 3D shape or scene from few RGB images. The latest methods are either generalization-based or overfitting-based. Howev…

cs.CV2025

MonoInstance: Enhancing Monocular Priors via Multi-view Instance Alignment for Neural Rendering and Reconstruction

Wenyuan Zhang, Yixiao Yang, Han Huang +4

Monocular depth priors have been widely adopted by neural rendering in multi-view based tasks such as 3D reconstruction and novel view synthesis. However, due to the inconsistent p…

cs.CV2025

GaussianUDF: Inferring Unsigned Distance Functions through 3D Gaussian Splatting

Shujuan Li, Yu-Shen Liu, Zhizhong Han

Reconstructing open surfaces from multi-view images is vital in digitalizing complex objects in daily life. A widely used strategy is to learn unsigned distance functions (UDFs) by…

cs.CV2025

Learning Bijective Surface Parameterization for Inferring Signed Distance Functions from Sparse Point Clouds with Grid Deformation

Takeshi Noda, Chao Chen, Junsheng Zhou +3

Inferring signed distance functions (SDFs) from sparse point clouds remains a challenge in surface reconstruction. The key lies in the lack of detailed geometric information in spa…

cs.CV2024

Sharpening Neural Implicit Functions with Frequency Consolidation Priors

Chao Chen, Yu-Shen Liu, Zhizhong Han

Signed Distance Functions (SDFs) are vital implicit representations to represent high fidelity 3D surfaces. Current methods mainly leverage a neural network to learn an SDF from va…

cs.CV2024★ 1 cited

MultiPull: Detailing Signed Distance Functions by Pulling Multi-Level Queries at Multi-Step

Takeshi Noda, Chao Chen, Weiqi Zhang +3

Reconstructing a continuous surface from a raw 3D point cloud is a challenging task. Recent methods usually train neural networks to overfit on single point clouds to infer signed…

cs.CV2024

Binocular-Guided 3D Gaussian Splatting with View Consistency for Sparse View Synthesis

Liang Han, Junsheng Zhou, Yu-Shen Liu +1

Novel view synthesis from sparse inputs is a vital yet challenging task in 3D computer vision. Previous methods explore 3D Gaussian Splatting with neural priors (e.g. depth priors)…

cs.CV2024

Inferring Neural Signed Distance Functions by Overfitting on Single Noisy Point Clouds through Finetuning Data-Driven based Priors

Chao Chen, Yu-Shen Liu, Zhizhong Han

It is important to estimate an accurate signed distance function (SDF) from a point cloud in many computer vision applications. The latest methods learn neural SDFs using either a…

cs.CV2024

Zero-Shot Scene Reconstruction from Single Images with Deep Prior Assembly

Junsheng Zhou, Yu-Shen Liu, Zhizhong Han

Large language and vision models have been leading a revolution in visual computing. By greatly scaling up sizes of data and model parameters, the large models learn deep priors wh…

cs.CV2024

Neural Signed Distance Function Inference through Splatting 3D Gaussians Pulled on Zero-Level Set

Wenyuan Zhang, Yu-Shen Liu, Zhizhong Han

It is vital to infer a signed distance function (SDF) in multi-view based surface reconstruction. 3D Gaussian splatting (3DGS) provides a novel perspective for volume rendering, an…

cs.CV2024

Learning Local Pattern Modularization for Point Cloud Reconstruction from Unseen Classes

Chao Chen, Yu-Shen Liu, Zhizhong Han

It is challenging to reconstruct 3D point clouds in unseen classes from single 2D images. Instead of object-centered coordinate system, current methods generalized global priors le…

cs.CV2024

VRP-UDF: Towards Unbiased Learning of Unsigned Distance Functions from Multi-view Images with Volume Rendering Priors

Wenyuan Zhang, Chunsheng Wang, Kanle Shi +2

Unsigned distance functions (UDFs) have been a vital representation for open surfaces. With different differentiable renderers, current methods are able to train neural networks to…

cs.CV2024

UDiFF: Generating Conditional Unsigned Distance Fields with Optimal Wavelet Diffusion

Junsheng Zhou, Weiqi Zhang, Baorui Ma +3

Diffusion models have shown remarkable results for image generation, editing and inpainting. Recent works explore diffusion models for 3D shape generation with neural implicit func…

cs.CV2023

Learning Continuous Implicit Field with Local Distance Indicator for Arbitrary-Scale Point Cloud Upsampling

Shujuan Li, Junsheng Zhou, Baorui Ma +2

Point cloud upsampling aims to generate dense and uniformly distributed point sets from a sparse point cloud, which plays a critical role in 3D computer vision. Previous methods ty…

cs.CV2023★ 9 cited

Differentiable Registration of Images and LiDAR Point Clouds with VoxelPoint-to-Pixel Matching

Junsheng Zhou, Baorui Ma, Wenyuan Zhang +3

Cross-modality registration between 2D images from cameras and 3D point clouds from LiDARs is a crucial task in computer vision and robotic. Previous methods estimate 2D-3D corresp…

cs.CV2023★ 1 cited

NeuralGF: Unsupervised Point Normal Estimation by Learning Neural Gradient Function

Qing Li, Huifang Feng, Kanle Shi +4

Normal estimation for 3D point clouds is a fundamental task in 3D geometry processing. The state-of-the-art methods rely on priors of fitting local surfaces learned from normal sup…

cs.CV2023

Neural Gradient Learning and Optimization for Oriented Point Normal Estimation

Qing Li, Huifang Feng, Kanle Shi +3

We propose Neural Gradient Learning (NGL), a deep learning approach to learn gradient vectors with consistent orientation from 3D point clouds for normal estimation. It has excelle…