English
Related papers

Related papers: Text to Point Cloud Localization with Relation-Enh…

200 papers

Accurate vehicle localization is a critical challenge in urban environments where GPS signals are often unreliable. This paper presents a cooperative multi-sensor and multi-modal localization approach to address this issue by fusing data…

Robotics · Computer Science 2026-02-05 Kuo-Yi Chao , Ralph Rasshofer , Alois Christian Knoll

Recently proposed fine-grained 3D visual grounding is an essential and challenging task, whose goal is to identify the 3D object referred by a natural language sentence from other distractive objects of the same category. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Dailan He , Yusheng Zhao , Junyu Luo , Tianrui Hui , Shaofei Huang , Aixi Zhang , Si Liu

In autonomous driving, 3D object detection based on multi-modal data has become an indispensable approach when facing complex environments around the vehicle. During multi-modal detection, LiDAR and camera are simultaneously applied for…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Rui Wan , Tianyun Zhao , Wei Zhao

Much of natural language processing is focused on leveraging large capacity language models, typically trained over single messages with a task of predicting one or more tokens. However, modeling human language at higher-levels of context…

Computation and Language · Computer Science 2021-11-03 Matthew Matero , Nikita Soni , Niranjan Balasubramanian , H. Andrew Schwartz

How to extract significant point cloud features and estimate the pose between them remains a challenging question, due to the inherent lack of structure and ambiguous order permutation of point clouds. Despite significant improvements in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zhu Xu , Zhengyao Bai , Huijie Liu , Qianjie Lu , Shenglan Fan

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

Global localization in 3D point clouds is a challenging problem of estimating the pose of vehicles without any prior knowledge. In this paper, a solution to this problem is presented by achieving place recognition and metric pose estimation…

Robotics · Computer Science 2022-11-29 Huan Yin , Li Tang , Xiaqing Ding , Yue Wang , Rong Xiong

This paper presents a robust probabilistic point registration method for estimating the rigid transformation (i.e. rotation matrix and translation vector) between two pointcloud dataset. The method improves the robustness of point…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Saman Fahandezh-Saadi , Di Wang , Masayoshi Tomizuka

The ability to predict future structure features of environments based on past perception information is extremely needed by autonomous vehicles, which helps to make the following decision-making and path planning more reasonable. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Zhen Luo , Junyi Ma , Zijie Zhou , Guangming Xiong

As a fundamental yet challenging problem in intelligent transportation systems, point cloud registration attracts vast attention and has been attained with various deep learning-based algorithms. The unsupervised registration algorithms…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Dongrui Liu , Chuanchuan Chen , Changqing Xu , Robert Qiu , Lei Chu

Recent Transformer-based methods have achieved advanced performance in point cloud registration by utilizing advantages of the Transformer in order-invariance and modeling dependency to aggregate information. However, they still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Guangyan Chen , Meiling Wang , Yufeng Yue , Qingxiang Zhang , Li Yuan

Semantic location prediction aims to derive meaningful location insights from multimodal social media posts, offering a more contextual understanding of daily activities than using GPS coordinates. This task faces significant challenges due…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Zhizhen Zhang , Ning Wang , Haojie Li , Zhihui Wang

Feature learning for 3D object detection from point clouds is very challenging due to the irregularity of 3D point cloud data. In this paper, we propose Pointformer, a Transformer backbone designed for 3D point clouds to learn features…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Xuran Pan , Zhuofan Xia , Shiji Song , Li Erran Li , Gao Huang

We study the problem of extracting accurate correspondences for point cloud registration. Recent keypoint-free methods have shown great potential through bypassing the detection of repeatable keypoints which is difficult to do especially in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zheng Qin , Hao Yu , Changjian Wang , Yulan Guo , Yuxing Peng , Slobodan Ilic , Dewen Hu , Kai Xu

The language-guided robot grasping task requires a robot agent to integrate multimodal information from both visual and linguistic inputs to predict actions for target-driven grasping. While recent approaches utilizing Multimodal Large…

Robotics · Computer Science 2025-02-10 Houjian Yu , Mingen Li , Alireza Rezazadeh , Yang Yang , Changhyun Choi

Current models for point cloud recognition demonstrate promising performance on synthetic datasets. However, real-world point cloud data inevitably contains noise, impacting model robustness. While recent efforts focus on enhancing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Dingxin Zhang , Jianhui Yu , Tengfei Xue , Chaoyi Zhang , Dongnan Liu , Weidong Cai

Autonomous robots operating in real-world environments encounter a variety of objects that can be both rigid and articulated in nature. Having knowledge of these specific object properties not only helps in designing appropriate…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Ayush Aggarwal , Rustam Stolkin , Naresh Marturi

For robots to understand human instructions and perform meaningful tasks in the near future, it is important to develop learned models that comprehend referential language to identify common objects in real-world 3D scenes. In this paper,…

Robotics · Computer Science 2021-11-08 Junha Roh , Karthik Desingh , Ali Farhadi , Dieter Fox

Text-to-point-cloud localization enables robots to understand spatial positions through natural language descriptions, which is crucial for human-robot collaboration in applications such as autonomous driving and last-mile delivery.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Tianyi Shang , Zhenyu Li

Transformer-based models have significantly advanced natural language processing and computer vision in recent years. However, due to the irregular and disordered structure of point cloud data, transformer-based models for 3D deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Xincheng Yang , Mingze Jin , Weiji He , Qian Chen