Self-supervised 3d scene flow estimation guided by superpoints

Y Shen, L Hui, J **e, J Yang - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
Abstract 3D scene flow estimation aims to estimate point-wise motions between two
consecutive frames of point clouds. Superpoints, ie, points with similar geometric features …

Rigidflow: Self-supervised scene flow learning on point clouds by local rigidity prior

R Li, C Zhang, G Lin, Z Wang… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
In this work, we focus on scene flow learning on point clouds in a self-supervised manner. A
real-world scene can be well modeled as a collection of rigidly moving parts, therefore its …

Weakly supervised class-agnostic motion prediction for autonomous driving

R Li, H Shi, Z Fu, Z Wang, G Lin - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Understanding the motion behavior of dynamic environments is vital for autonomous driving,
leading to increasing attention in class-agnostic motion prediction in LiDAR point clouds …

FlowFormer: 3D scene flow estimation for point clouds with transformers

Y Shen, L Hui - Knowledge-Based Systems, 2023 - Elsevier
Since estimating scene flow from point clouds is challenging, some methods involve the
robust Transformer. However, there are two problems with these methods:(1) Dense …

Self-supervised robust scene flow estimation via the alignment of probability density functions

P He, P Emami, S Ranka, A Rangarajan - Proceedings of the AAAI …, 2022 - ojs.aaai.org
In this paper, we present a new self-supervised scene flow estimation approach for a pair of
consecutive point clouds. The key idea of our approach is to represent discrete point clouds …

Semanticflow: Semantic segmentation of sequential lidar point clouds from sparse frame annotations

J Zhao, W Huang, H Wu, C Wen, B Yang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Sequential point clouds acquired by light detection and ranging (LiDAR) technology provide
accurate spatial information for environmental sensing. However, semantic segmentation of …

Rppformer-flow: Relative position guided point transformer for scene flow estimation

H Li, G Dong, Y Zhang, X Sun, Z **ong - Proceedings of the 30th ACM …, 2022 - dl.acm.org
Estimating scene flow for point clouds is one of the key problems in 3D scene understanding
and autonomous driving. Recently the point transformer architecture has become a popular …

An efficient LiDAR point cloud map coding scheme based on segmentation and frame-inserting network

Q Wang, L Jiang, X Sun, J Zhao, Z Deng, S Yang - Sensors, 2022 - mdpi.com
In this article, we present an efficient coding scheme for LiDAR point cloud maps. As a point
cloud map consists of numerous single scans spliced together, by recording the time stamp …

Self-Supervised 3D Scene Flow Estimation and Motion Prediction using Local Rigidity Prior

R Li, C Zhang, Z Wang, C Shen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this article, we investigate self-supervised 3D scene flow estimation and class-agnostic
motion prediction on point clouds. A realistic scene can be well modeled as a collection of …

H4MER: Human 4D Modeling by Learning Neural Compositional Representation With Transformer

B Jiang, Y Zhang, J Huo, X Xue… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Despite the impressive results achieved by deep learning based 3D reconstruction, the
techniques of directly learning to model 4D human captures with detailed geometry have …