Text2loc: 3d point cloud localization from natural language

Y Xia, L Shi, Z Ding, JF Henriques… - Proceedings of the …, 2024 - openaccess.thecvf.com
We tackle the problem of 3D point cloud localization based on a few natural linguistic
descriptions and introduce a novel neural network Text2Loc that fully interprets the semantic …

Casspr: Cross attention single scan place recognition

Y Xia, M Gladkova, R Wang, Q Li… - Proceedings of the …, 2023 - openaccess.thecvf.com
Place recognition based on point clouds (LiDAR) is an important component for autonomous
robots or self-driving vehicles. Current SOTA performance is achieved on accumulated …

Automerge: A framework for map assembling and smoothing in city-scale environments

P Yin, S Zhao, H Lai, R Ge, J Zhang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In the era of advancing autonomous driving and increasing reliance on geospatial
information, high-precision mapping not only demands accuracy but also flexible …

PC2-PU: Patch Correlation and Point Correlation for Effective Point Cloud Upsampling

C Long, WX Zhang, R Li, H Wang, Z Dong… - Proceedings of the 30th …, 2022 - dl.acm.org
Point cloud upsampling is to densify a sparse point set acquired from 3D sensors, providing
a denser representation for the underlying surface. Existing methods divide the input points …

ComPoint: Can Complex-Valued Representation Benefit Point Cloud Place Recognition?

R Zhang, G Li, W Gao, TH Li - IEEE Transactions on Intelligent …, 2024 - ieeexplore.ieee.org
“Where was this place?”-figuring out the location of a point cloud scene is a challenge that
has attracted researchers in recent years, under the name of point cloud place recognition …

Reverse2Complete: Unpaired Multimodal Point Cloud Completion via Guided Diffusion

W Zhang, H Rahmani, X Yang, J Liu - Proceedings of the 32nd ACM …, 2024 - dl.acm.org
Unpaired point cloud completion involves filling in missing parts of a point cloud without
requiring partial-complete correspondence. Meanwhile, since point cloud completion is an ill …

Learning long-range information with dual-scale transformers for indoor scene completion

Z Wang, F Luo, X Long, W Zhang… - 2023 IEEE/CVF …, 2023 - ieeexplore.ieee.org
Due to the limited resolution of 3D sensors and the inevitable mutual occlusion between
objects, 3D scans of real scenes are commonly incomplete. Previous scene completion …

A Hierarchical and Multi-modal Framework for Place Recognition with a Learnable Metric

C Shu, Y Luo - IEEE Transactions on Intelligent Vehicles, 2024 - ieeexplore.ieee.org
The descriptive power and comparative metric of features are the key factors in multi-modal
place recognition tasks. However, learning a multi-modal descriptor directly for comparison …

HS-Surf: A Novel High-Frequency Surface Shell Radiance Field to Improve Large-Scale Scene Rendering

J Qin, F Luo, T Cao, W Xu, C Xiao - Proceedings of the 32nd ACM …, 2024 - dl.acm.org
Previous neural radiance fields often struggle to preserve high-frequency textures in urban
and aerial large-scale scenes due to insufficient model capacity on the scene surface. This …

Informative Point cloud Dataset Extraction for Classification via Gradient-based Points Moving

W Zhang, Z Wang, L Xu, X Yang, J Liu - Proceedings of the 32nd ACM …, 2024 - dl.acm.org
Point cloud plays a significant role in recent learning-based vision tasks, which contain
additional information about the physical space compared to 2D images. However, such a …