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In recent years, visual SLAM has achieved great progress and development, but in complex scenes, especially rotating scenes, the error of mapping will increase significantly, and the slam system is easy to lose track. In this article, we…

Robotics · Computer Science 2021-10-07 Zhenkun Zhu , Jikai Wang

Autonomous navigation for legged robots in complex and dynamic environments relies on robust simultaneous localization and mapping (SLAM) systems to accurately map surroundings and localize the robot, ensuring safe and efficient operation.…

A robust visual localization and mapping system is essential for warehouse robot navigation, as cameras offer a more cost-effective alternative to LiDAR sensors. However, existing forward-facing camera systems often encounter challenges in…

Robotics · Computer Science 2025-04-17 Kuan Xu , Zheng Yang , Lihua Xie , Chen Wang

Symmetry is one of the most fundamental geometric cues in computer vision, and detecting it has been an ongoing challenge. With the recent advances in vision-language models,~i.e., CLIP, we investigate whether a pre-trained CLIP model can…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Tinghan Yang , Md Ashiqur Rahman , Raymond A. Yeh

This paper implements Simultaneous Localization and Mapping (SLAM) technique to construct a map of a given environment. A Real Time Appearance Based Mapping (RTAB-Map) approach was taken for accomplishing this task. Initially, a 2d…

Robotics · Computer Science 2018-09-11 Sagarnil Das

Human pose estimation traditionally relies on architectures that encode keypoint priors, limiting their generalization to novel poses or unseen keypoints. Recent language-guided approaches like LocLLM reformulate keypoint localization as a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Dewen Zhang , Tahir Hussain , Wangpeng An , Hayaru Shouno

Visual and lidar Simultaneous Localization and Mapping (SLAM) algorithms benefit from the Inertial Measurement Unit (IMU) modality. The high-rate inertial data complement the other lower-rate modalities. Moreover, in the absence of constant…

Robotics · Computer Science 2022-03-28 Vladimír Kubelka , Maxime Vaidis , François Pomerleau

Ego-pose estimation and dynamic object tracking are two critical problems for autonomous driving systems. The solutions to these problems are generally based on their respective assumptions, \ie{the static world assumption for simultaneous…

Robotics · Computer Science 2024-10-28 Xuebo Tian , Zhongyang Zhu , Junqiao Zhao , Gengxuan Tian , Chen Ye

Loop closure detection is important for simultaneous localization and mapping (SLAM), which associates current observations with historical keyframes, achieving drift correction and global relocalization. However, a falsely detected loop…

Robotics · Computer Science 2025-08-20 Jingwen Yu , Jiayi Yang , Anjun Hu , Jiankun Wang , Ping Tan , Hong Zhang

Camera calibration is an essential prerequisite for event-based vision applications. Current event camera calibration methods typically involve using flashing patterns, reconstructing intensity images, and utilizing the features extracted…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Zibin Liu , Banglei Guan , Yang Shang , Zhenbao Yu , Yifei Bian , Qifeng Yu

This paper presents a state-of-the-art filter that reduces the complexity in object detection, tracking and mapping applications. Existing edge detection and tracking methods are proposed to create suitable autonomy for mobile robots,…

Robotics · Computer Science 2021-01-14 Seyed Amir Tafrishi , Xiaotian Dai , Vahid Esmaeilzadeh Kandjani

This paper proposes FAST-LIVO2: a fast, direct LiDAR-inertial-visual odometry framework to achieve accurate and robust state estimation in SLAM tasks and provide great potential in real-time, onboard robotic applications. FAST-LIVO2 fuses…

Previous scene text detection methods have progressed substantially over the past years. However, limited by the receptive field of CNNs and the simple representations like rectangle bounding box or quadrangle adopted to describe text,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Chengquan Zhang , Borong Liang , Zuming Huang , Mengyi En , Junyu Han , Errui Ding , Xinghao Ding

Visual odometry estimates the motion of a moving camera based on visual input. Existing methods, mostly focusing on two-view point tracking, often ignore the rich temporal context in the image sequence, thereby overlooking the global motion…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Weirong Chen , Le Chen , Rui Wang , Marc Pollefeys

Visual place recognition methods struggle with occlusions and partial visual overlaps. We propose a novel visual place recognition approach based on overlap prediction, called VOP, shifting from traditional reliance on global image…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tong Wei , Philipp Lindenberger , Jiri Matas , Daniel Barath

Accurate and robust simultaneous localization and mapping (SLAM) is crucial for autonomous mobile systems, typically achieved by leveraging the geometric features of the environment. Incorporating semantics provides a richer scene…

Robotics · Computer Science 2025-07-22 Neng Wang , Huimin Lu , Zhiqiang Zheng , Hesheng Wang , Yun-Hui Liu , Xieyuanli Chen

We introduce LAMPO, a novel paradigm that leverages Large Language Models (LLMs) for solving few-shot multi-class ordinal classification tasks. Unlike conventional methods, which concatenate all demonstration examples with the test instance…

Machine Learning · Computer Science 2024-08-08 Zhen Qin , Junru Wu , Jiaming Shen , Tianqi Liu , Xuanhui Wang

Object detection and segmentation are widely employed in computer vision applications, yet conventional models like YOLO series, while efficient and accurate, are limited by predefined categories, hindering adaptability in open scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Ao Wang , Lihao Liu , Hui Chen , Zijia Lin , Jungong Han , Guiguang Ding

Existing learning methods for LiDAR-based applications use 3D points scanned under a pre-determined beam configuration, e.g., the elevation angles of beams are often evenly distributed. Those fixed configurations are task-agnostic, so…

Robotics · Computer Science 2023-03-29 Niclas Vödisch , Ozan Unal , Ke Li , Luc Van Gool , Dengxin Dai

Simultaneous Localization and Mapping (SLAM) is a key tool for monitoring construction sites, where aligning the evolving as-built state with the as-planned design enables early error detection and reduces costly rework. LiDAR-based SLAM…