Openscene: 3d scene understanding with open vocabularies

S Peng, K Genova, C Jiang… - Proceedings of the …, 2023 - openaccess.thecvf.com
Traditional 3D scene understanding approaches rely on labeled 3D datasets to train a
model for a single task with supervision. We propose OpenScene, an alternative approach …

Neural 3d scene reconstruction with the manhattan-world assumption

H Guo, S Peng, H Lin, Q Wang… - Proceedings of the …, 2022 - openaccess.thecvf.com
This paper addresses the challenge of reconstructing 3D indoor scenes from multi-view
images. Many previous works have shown impressive reconstruction results on textured …

Contrastive boundary learning for point cloud segmentation

L Tang, Y Zhan, Z Chen, B Yu… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Point cloud segmentation is fundamental in understanding 3D environments. However,
current 3D point cloud segmentation methods usually perform poorly on scene boundaries …

Fast point transformer

C Park, Y Jeong, M Cho, J Park - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
The recent success of neural networks enables a better interpretation of 3D point clouds, but
processing a large-scale 3D scene remains a challenging problem. Most current …

Nerflets: Local radiance fields for efficient structure-aware 3d scene representation from 2d supervision

X Zhang, A Kundu, T Funkhouser… - Proceedings of the …, 2023 - openaccess.thecvf.com
We address efficient and structure-aware 3D scene representation from images. Nerflets are
our key contribution--a set of local neural radiance fields that together represent a scene …

Guided point contrastive learning for semi-supervised point cloud semantic segmentation

L Jiang, S Shi, Z Tian, X Lai, S Liu… - Proceedings of the …, 2021 - openaccess.thecvf.com
Rapid progress in 3D semantic segmentation is inseparable from the advances of deep
network models, which highly rely on large-scale annotated data for training. To address the …

Mvtn: Multi-view transformation network for 3d shape recognition

A Hamdi, S Giancola… - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
Multi-view projection methods have demonstrated their ability to reach state-of-the-art
performance on 3D shape recognition. Those methods learn different ways to aggregate …

Growsp: Unsupervised semantic segmentation of 3d point clouds

Z Zhang, B Yang, B Wang, B Li - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
We study the problem of 3D semantic segmentation from raw point clouds. Unlike existing
methods which primarily rely on a large amount of human annotations for training neural …

One thing one click: A self-training approach for weakly supervised 3d semantic segmentation

Z Liu, X Qi, CW Fu - … of the IEEE/CVF conference on …, 2021 - openaccess.thecvf.com
Point cloud semantic segmentation often requires largescale annotated training data, but
clearly, point-wise labels are too tedious to prepare. While some recent methods propose to …

Lens: Localization enhanced by nerf synthesis

A Moreau, N Piasco, D Tsishkou… - … on Robot Learning, 2022 - proceedings.mlr.press
Abstract Neural Radiance Fields (NeRF) have recently demonstrated photorealistic results
for the task of novel view synthesis. In this paper, we propose to apply novel view synthesis …