Search Results for author: Rui Wan

Found 3 papers, 0 papers with code

Sparse Cross-scale Attention Network for Efficient LiDAR Panoptic Segmentation

no code implementations16 Jan 2022 Shuangjie Xu, Rui Wan, Maosheng Ye, Xiaoyi Zou, Tongyi Cao

Two major challenges of 3D LiDAR Panoptic Segmentation (PS) are that point clouds of an object are surface-aggregated and thus hard to model the long-range dependency especially for large instances, and that objects are too close to separate each other.

Panoptic Segmentation

DRINet++: Efficient Voxel-as-point Point Cloud Segmentation

no code implementations16 Nov 2021 Maosheng Ye, Rui Wan, Shuangjie Xu, Tongyi Cao, Qifeng Chen

The Sparse Feature Encoder extracts the local context information for each point, and the Sparse Geometry Feature Enhancement enhances the geometric properties of a sparse point cloud via multi-scale sparse projection and attentive multi-scale fusion.

Point Cloud Segmentation Semantic Segmentation

Generalized Graph Embedding Models

no code implementations ICLR 2018 Qiao Liu, Xiao-Hui Yang, Rui Wan, Shouzhong Tu, Zufeng Wu

Many types of relations in physical, biological, social and information systems can be modeled as homogeneous or heterogeneous concept graphs.

General Classification Graph Embedding +2

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