activity
20182023
most citedL2G Auto-encoder: Understanding Point Clouds by Local-to-Global Reconstruction with Hierarchical Self-Attention

74 citations · 520 across the 46 of their papers we have counts for

collaborators
Showing 2020Show all

8 papers · 1 filter

cs.CV2020★ 7 cited

SPU-Net: Self-Supervised Point Cloud Upsampling by Coarse-to-Fine Reconstruction with Self-Projection Optimization

Xinhai Liu, Xinchen Liu, Yu-Shen Liu +1

The task of point cloud upsampling aims to acquire dense and uniform point sets from sparse and irregular point sets. Although significant progress has been made with deep learning…

cs.CV2020★ 17 cited

PMP-Net: Point Cloud Completion by Learning Multi-step Point Moving Paths

Xin Wen, Peng Xiang, Zhizhong Han +4

The task of point cloud completion aims to predict the missing part for an incomplete 3D shape. A widely used strategy is to generate a complete point cloud from the incomplete one…

cs.CV2020★ 46 cited

Neural-Pull: Learning Signed Distance Functions from Point Clouds by Learning to Pull Space onto Surfaces

Baorui Ma, Zhizhong Han, Yu-Shen Liu +1

Reconstructing continuous surfaces from 3D point clouds is a fundamental operation in 3D geometry processing. Several recent state-of-the-art methods address this problem using neu…

cs.CV2020★ 17 cited

DRWR: A Differentiable Renderer without Rendering for Unsupervised 3D Structure Learning from Silhouette Images

Zhizhong Han, Chao Chen, Yu-Shen Liu +1

Differentiable renderers have been used successfully for unsupervised 3D structure learning from 2D images because they can bridge the gap between 3D and 2D. To optimize 3D shape p…

cs.CV2020★ 13 cited

Point Cloud Completion by Skip-attention Network with Hierarchical Folding

Xin Wen, Tianyang Li, Zhizhong Han +1

Point cloud completion aims to infer the complete geometries for missing regions of 3D objects from incomplete ones. Previous methods usually predict the complete point cloud based…

cs.CV2020★ 63 cited

Fine-Grained 3D Shape Classification with Hierarchical Part-View Attentions

Xinhai Liu, Zhizhong Han, Yu-Shen Liu +1

Fine-grained 3D shape classification is important for shape understanding and analysis, which poses a challenging research problem. However, the studies on the fine-grained 3D shap…

cs.CV2020★ 1 cited

LRC-Net: Learning Discriminative Features on Point Clouds by Encoding Local Region Contexts

Xinhai Liu, Zhizhong Han, Fangzhou Hong +2

Learning discriminative feature directly on point clouds is still challenging in the understanding of 3D shapes. Recent methods usually partition point clouds into local region set…

cs.CV2020★ 3 cited

SeqXY2SeqZ: Structure Learning for 3D Shapes by Sequentially Predicting 1D Occupancy Segments From 2D Coordinates

Zhizhong Han, Guanhui Qiao, Yu-Shen Liu +1

Structure learning for 3D shapes is vital for 3D computer vision. State-of-the-art methods show promising results by representing shapes using implicit functions in 3D that are lea…