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Related papers: Monocular Visual Place Recognition in LiDAR Maps v…

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We tackle the challenge of LiDAR-based place recognition, which traditionally depends on costly and time-consuming prior 3D maps. To overcome this, we first construct LiRSI-XA dataset, which encompasses approximately $110,000$ remote…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Ziwei Shi , Xiaoran Zhang , Wenjing Xu , Yan Xia , Yu Zang , Siqi Shen , Cheng Wang

Monocular 3D object detection is one of the most challenging tasks in 3D scene understanding. Due to the ill-posed nature of monocular imagery, existing monocular 3D detection methods highly rely on training with the manually annotated 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Liang Peng , Senbo Yan , Boxi Wu , Zheng Yang , Xiaofei He , Deng Cai

State-of-the-art 3D models, which excel in recognition tasks, typically depend on large-scale datasets and well-defined category sets. Recent advances in multi-modal pre-training have demonstrated potential in learning 3D representations by…

Multimedia · Computer Science 2024-04-23 Ben Fei , Yixuan Li , Weidong Yang , Lipeng Ma , Ying He

Inferring object 3D position and orientation from a single RGB camera is a foundational task in computer vision with many important applications. Traditionally, 3D object detection methods are trained in a fully-supervised setup, requiring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Jan Skvrna , Lukas Neumann

This paper presents a visual SLAM system that uses both points and lines for robust camera localization, and simultaneously performs a piece-wise planar reconstruction (PPR) of the environment to provide a structural map in real-time. One…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Fangwen Shu , Jiaxuan Wang , Alain Pagani , Didier Stricker

Open-world 3D scene understanding is a critical challenge that involves recognizing and distinguishing diverse objects and categories from 3D data, such as point clouds, without relying on manual annotations. Traditional methods struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yuru Wang , Pei Liu , Songtao Wang , Zehan Zhang , Xinyan Lu , Changwei Cai , Hao Li , Fu Liu , Peng Jia , Xianpeng Lang

Monocular 3D object detection plays a crucial role in autonomous driving. However, existing monocular 3D detection algorithms depend on 3D labels derived from LiDAR measurements, which are costly to acquire for new datasets and challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Fulong Ma , Xiaoyang Yan , Guoyang Zhao , Xiaojie Xu , Yuxuan Liu , Jun Ma , Ming Liu

Simultaneous Localization And Mapping (SLAM) is a fundamental problem in mobile robotics. While sparse point-based SLAM methods provide accurate camera localization, the generated maps lack semantic information. On the other hand, state of…

Robotics · Computer Science 2019-03-07 Mehdi Hosseinzadeh , Kejie Li , Yasir Latif , Ian Reid

Monocular 3D object detection aims to predict the object location, dimension and orientation in 3D space alongside the object category given only a monocular image. It poses a great challenge due to its ill-posed property which is…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Zheyuan Zhou , Liang Du , Xiaoqing Ye , Zhikang Zou , Xiao Tan , Li Zhang , Xiangyang Xue , Jianfeng Feng

Multiple object detection and pose estimation are vital computer vision tasks. The latter relates to the former as a downstream problem in applications such as robotics and autonomous driving. However, due to the high complexity of both…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Congliang Li , Shijie Sun , Xiangyu Song , Huansheng Song , Naveed Akhtar , Ajmal Saeed Mian

Monocular 3D object detection offers a cost-effective solution for autonomous driving but suffers from ill-posed depth and limited field of view. These constraints cause a lack of geometric cues and reduced accuracy in occluded or truncated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Sunghun Yang , Minhyeok Lee , Jungho Lee , Sangyoun Lee

Monocular 3D detection has drawn much attention from the community due to its low cost and setup simplicity. It takes an RGB image as input and predicts 3D boxes in the 3D space. The most challenging sub-task lies in the instance depth…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Liang Peng , Xiaopei Wu , Zheng Yang , Haifeng Liu , Deng Cai

LiDAR-based localization approach is a fundamental module for large-scale navigation tasks, such as last-mile delivery and autonomous driving, and localization robustness highly relies on viewpoints and 3D feature extraction. Our previous…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shiqi Zhao , Peng Yin , Ge Yi , Sebastian Scherer

Monocular 3D object detection is well-known to be a challenging vision task due to the loss of depth information; attempts to recover depth using separate image-only approaches lead to unstable and noisy depth estimates, harming 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ivan Barabanau , Alexey Artemov , Evgeny Burnaev , Vyacheslav Murashkin

Visual Place Recognition is a task that aims to predict the coordinates of an image (called query) based solely on visual clues. Most commonly, a retrieval approach is adopted, where the query is matched to the most similar images from a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Giovanni Barbarani , Mohamad Mostafa , Hajali Bayramov , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

A Colored point cloud, as a simple and efficient 3D representation, has many advantages in various fields, including robotic navigation and scene reconstruction. This representation is now commonly used in 3D reconstruction tasks relying on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Bonan Liu , Guoyang Zhao , Jianhao Jiao , Guang Cai , Chengyang Li , Handi Yin , Yuyang Wang , Ming Liu , Pan Hui

Realistic and controllable panoramic LiDAR data generation is critical for scalable 3D perception in autonomous driving and robotics. Existing methods either perform unconditional generation with poor controllability or adopt text-guided…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Youquan Liu , Lingdong Kong , Weidong Yang , Ao Liang , Jianxiong Gao , Yang Wu , Xiang Xu , Xin Li , Linfeng Li , Runnan Chen , Ben Fei

LiDAR and cameras are two complementary sensors for 3D perception in autonomous driving. LiDAR point clouds have accurate spatial and geometry information, while RGB images provide textural and color data for context reasoning. To exploit…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Rui Wan , Shuangjie Xu , Wei Wu , Xiaoyi Zou , Tongyi Cao

With the advent of powerful, light-weight 3D LiDARs, they have become the hearth of many navigation and SLAM algorithms on various autonomous systems. Pointcloud registration methods working with unstructured pointclouds such as ICP are…

Robotics · Computer Science 2021-04-13 Dominic Streiff , Lukas Bernreiter , Florian Tschopp , Marius Fehr , Roland Siegwart

Monocular 3D Visual Grounding (Mono3DVG) is an emerging task that locates 3D objects in RGB images using text descriptions with geometric cues. However, existing methods face two key limitations. Firstly, they often over-rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yuzhen Li , Min Liu , Zhaoyang Li , Yuan Bian , Xueping Wang , Erbo Zhai , Yaonan Wang