English
Related papers

Related papers: SegVec3D: A Method for Vector Embedding of 3D Obje…

200 papers

We introduce a novel framework for Continual Learning in 3D object classification. Our approach, CL3D, is based on the selection of prototypes from each class using spectral clustering. For non-Euclidean data such as point clouds, spectral…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Hossein Resani , Behrooz Nasihatkon , Mohammadreza Alimoradi Jazi

Recent works on 3D semantic segmentation propose to exploit the synergy between images and point clouds by processing each modality with a dedicated network and projecting learned 2D features onto 3D points. Merging large-scale point clouds…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Damien Robert , Bruno Vallet , Loic Landrieu

Conventional 3D instance segmentation methods rely on labor-intensive 3D annotations for supervised training, which limits their scalability and generalization to novel objects. Recent approaches leverage multi-view 2D masks from the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yibo Zhao , Yigong Zhang , Jin Xie

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Accurate 3D instance segmentation is crucial for high-quality scene understanding in the 3D vision domain. However, 3D instance segmentation based on 2D-to-3D lifting approaches struggle to produce precise instance-level segmentation, due…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Chaolei Wang , Yang Luo , Jing Du , Siyu Chen , Yiping Chen , Ting Han

3D part segmentation is a crucial and challenging task in 3D perception, playing a vital role in applications such as robotics, 3D generation, and 3D editing. Recent methods harness the powerful Vision Language Models (VLMs) for 2D-to-3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yunhan Yang , Yukun Huang , Yuan-Chen Guo , Liangjun Lu , Xiaoyang Wu , Edmund Y. Lam , Yan-Pei Cao , Xihui Liu

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

Integrating LiDAR and Camera information into Bird's-Eye-View (BEV) has become an essential topic for 3D object detection in autonomous driving. Existing methods mostly adopt an independent dual-branch framework to generate LiDAR and camera…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Hongxiang Cai , Zeyuan Zhang , Zhenyu Zhou , Ziyin Li , Wenbo Ding , Jiuhua Zhao

Perceiving a three-dimensional (3D) scene with multiple objects while moving indoors is essential for vision-based mobile cobots, especially for enhancing their manipulation tasks. In this work, we present an end-to-end pipeline with…

Robotics · Computer Science 2024-02-20 K. Nguyen , T. Dang , M. Huber

While grasp detection is an important part of any robotic manipulation pipeline, reliable and accurate grasp detection in $SE(3)$ remains a research challenge. Many robotics applications in unstructured environments such as the home or…

Robotics · Computer Science 2024-11-11 Boce Hu , Xupeng Zhu , Dian Wang , Zihao Dong , Haojie Huang , Chenghao Wang , Robin Walters , Robert Platt

Point cloud stands as the most widely adopted format for representing 3D shapes and scenes due to its simplicity and geometric fidelity. However, its inherent unordered and irregular nature, exacerbated by sensor noise and occlusions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Minhas Kamal , Hiranya Garbha Kumar , Balakrishnan Prabhakaran

A symmetry on rigid motion is one of the salient factors in efficient learning of 3D point cloud problems. Group convolution has been a representative method to extract equivariant features, but its realizations have struggled to retain…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Jaein Kim , Hee Bin Yoo , Dong-Sig Han , Byoung-Tak Zhang

SSF3D modified the semi-supervised 3D object detection (SS3DOD) framework, which designed specifically for point cloud data. Leveraging the characteristics of non-coincidence and weak correlation of target objects in point cloud, we adopt a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Songbur Wong

Dynamic 3D point cloud sequences serve as one of the most common and practical representation modalities of dynamic real-world environments. However, their unstructured nature in both spatial and temporal domains poses significant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Yiming Zeng , Junhui Hou , Qijian Zhang , Siyu Ren , Wenping Wang

A unified neural network structure is presented for joint 3D object detection and point cloud segmentation in this paper. We leverage rich supervision from both detection and segmentation labels rather than using just one of them. In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yuanxin Zhong , Minghan Zhu , Huei Peng

Open-vocabulary 3D object detection aims to localize and recognize objects beyond a fixed training taxonomy. In multi-view RGB settings, recent approaches often decouple geometry-based instance construction from semantic labeling,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Youbin Kim , Jinho Park , Hogun Park , Eunbyung Park

Exploring contextual information in the local region is important for shape understanding and analysis. Existing studies often employ hand-crafted or explicit ways to encode contextual information of local regions. However, it is hard to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Xinhai Liu , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

Conventional methods of 3D object generative modeling learn volumetric predictions using deep networks with 3D convolutional operations, which are direct analogies to classical 2D ones. However, these methods are computationally wasteful in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-22 Chen-Hsuan Lin , Chen Kong , Simon Lucey

In human-centered environments such as restaurants, homes, and warehouses, robots often face challenges in accurately recognizing 3D objects. These challenges stem from the complexity and variability of these environments, including diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Songsong Xiong , Hamidreza Kasaei

We address the challenging task of 3D object segmentation in complex scene point clouds without relying on any scene-level human annotations during training. Existing methods are typically constrained to identifying simple objects,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Zihui Zhang , Zhixuan Sun , Yafei Yang , Jinxi Li , Jiahao Chen , Bo Yang