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Related papers: Open-Vocabulary Affordance Detection in 3D Point C…

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Point cloud-based open-vocabulary 3D object detection aims to detect 3D categories that do not have ground-truth annotations in the training set. It is extremely challenging because of the limited data and annotations (bounding boxes with…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Chenming Zhu , Wenwei Zhang , Tai Wang , Xihui Liu , Kai Chen

As the key technology of augmented reality (AR), 3D recognition and tracking are always vulnerable to adversarial examples, which will cause serious security risks to AR systems. Adversarial examples are beneficial to improve the robustness…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Weiquan Liu , Shijun Zheng , Cheng Wang

This paper proposes an adaptive margin contrastive learning method for 3D semantic segmentation on point clouds. Most existing methods use equally penalized objectives, which ignore the per-point ambiguities and less discriminated features…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yang Chen , Yueqi Duan , Haowen Sun , Jiwen Lu , Yap-Peng Tan

Affordances are the possibilities of actions the environment offers to the individual. Ordinary objects (hammer, knife) usually have many affordances (grasping, pounding, cutting), and detecting these allow artificial agents to understand…

Machine Learning · Computer Science 2021-07-06 Hugo Caselles-Dupré , Michael Garcia-Ortiz , David Filliat

3D affordance segmentation aims to link human instructions to touchable regions of 3D objects for embodied manipulations. Existing efforts typically adhere to single-object, single-affordance paradigms, where each affordance type or…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Chunlin Yu , Hanqing Wang , Ye Shi , Haoyang Luo , Sibei Yang , Jingyi Yu , Jingya Wang

3D open-vocabulary scene understanding aims to recognize arbitrary novel categories beyond the base label space. However, existing works not only fail to fully utilize all the available modal information in the 3D domain but also lack…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Qingdong He , Jinlong Peng , Zhengkai Jiang , Kai Wu , Xiaozhong Ji , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Mingang Chen , Yunsheng Wu

Language-guided robot dexterous generation enables robots to grasp and manipulate objects based on human commands. However, previous data-driven methods are hard to understand intention and execute grasping with unseen categories in the…

Robotics · Computer Science 2025-07-31 Yi-Lin Wei , Mu Lin , Yuhao Lin , Jian-Jian Jiang , Xiao-Ming Wu , Ling-An Zeng , Wei-Shi Zheng

Open-vocabulary detectors are proposed to locate and recognize objects in novel classes. However, variations in vision-aware language vocabulary data used for open-vocabulary learning can lead to unfair and unreliable evaluations. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ying Liu , Yijing Hua , Haojiang Chai , Yanbo Wang , TengQi Ye

Out-of-distribution (OOD) object detection is a critical task focused on detecting objects that originate from a data distribution different from that of the training data. In this study, we investigate to what extent state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Sadia Ilyas , Ido Freeman , Matthias Rottmann

Classification of 3D point clouds is a challenging machine learning (ML) task with important real-world applications in a spectrum from autonomous driving and robot-assisted surgery to earth observation from low orbit. As with other ML…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Hanwei Zhang , Luo Cheng , Qisong He , Wei Huang , Renjue Li , Ronan Sicre , Xiaowei Huang , Holger Hermanns , Lijun Zhang

Remote sensing change detection plays a pivotal role in domains such as environmental monitoring, urban planning, and disaster assessment. However, existing methods typically rely on predefined categories and large-scale pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Mingyu Dou , Shi Qiu , Ming Hu , Yifan Chen , Huping Ye , Xiaohan Liao , Zhe Sun

When your robot grasps an object using dexterous hands or grippers, it should understand the Task-Oriented Affordances of the Object(TOAO), as different tasks often require attention to specific parts of the object. To address this…

Robotics · Computer Science 2024-09-19 Jiawen Wang , Dingsheng Luo

Extracting high-level structural information from 3D point clouds is challenging but essential for tasks like urban planning or autonomous driving requiring an advanced understanding of the scene at hand. Existing approaches are still not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Lukas Bode , Michael Weinmann , Reinhard Klein

In this work, we address the problem of 3D object detection from point cloud data in real time. For autonomous vehicles to work, it is very important for the perception component to detect the real world objects with both high accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Abhinav Sagar

The recent surge in 3D data acquisition has spurred the development of geometric deep learning models for point cloud processing, boosted by the remarkable success of transformers in natural language processing. While point cloud…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Alessandro Baiocchi , Indro Spinelli , Alessandro Nicolosi , Simone Scardapane

Anomaly detection (AD) in 3D point clouds is crucial in a wide range of industrial applications, especially in various forms of precision manufacturing. Considering the industrial demand for reliable 3D AD, several methods have been…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Jiaxiang Wang , Haote Xu , Xiaolu Chen , Haodi Xu , Yue Huang , Xinghao Ding , Xiaotong Tu

Affordance grounding focuses on predicting the specific regions of objects that are associated with the actions to be performed by robots. It plays a vital role in the fields of human-robot interaction, human-object interaction, embodied…

In the realm of future home-assistant robots, 3D articulated object manipulation is essential for enabling robots to interact with their environment. Many existing studies make use of 3D point clouds as the primary input for manipulation…

Robotics · Computer Science 2023-10-16 Xiaoqi Li , Yanzi Wang , Yan Shen , Ponomarenko Iaroslav , Haoran Lu , Qianxu Wang , Boshi An , Jiaming Liu , Hao Dong

Object discovery is a core task in computer vision. While fast progresses have been made in supervised object detection, its unsupervised counterpart remains largely unexplored. With the growth of data volume, the expensive cost of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

Open-vocabulary object detection (OVD) aims to scale up vocabulary size to detect objects of novel categories beyond the training vocabulary. Recent work resorts to the rich knowledge in pre-trained vision-language models. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Peixian Chen , Kekai Sheng , Mengdan Zhang , Mingbao Lin , Yunhang Shen , Shaohui Lin , Bo Ren , Ke Li