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Point cloud registration is a fundamental task for estimating rigid transformations between point clouds. Previous studies have used geometric information for extracting features, matching and estimating transformation. Recently, owing to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Congjia Chen , Xiaoyu Jia , Yanhong Zheng , Yufu Qu

Visual SLAM shows significant progress in recent years due to high attention from vision community but still, challenges remain for low-textured environments. Feature based visual SLAMs do not produce reliable camera and structure estimates…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Soumyadip Maity , Arindam Saha , Brojeshwar Bhowmick

This paper presents a collaborative implicit neural simultaneous localization and mapping (SLAM) system with RGB-D image sequences, which consists of complete front-end and back-end modules including odometry, loop detection, sub-map…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

The emergence of modern RGB-D sensors had a significant impact in many application fields, including robotics, augmented reality (AR) and 3D scanning. They are low-cost, low-power and low-size alternatives to traditional range sensors such…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Javier Civera , Seong Hun Lee

Neural implicit representations have been explored to enhance visual SLAM algorithms, especially in providing high-fidelity dense map. Existing methods operate robustly in static scenes but struggle with the disruption caused by moving…

Robotics · Computer Science 2024-05-17 Ziheng Xu , Jianwei Niu , Qingfeng Li , Tao Ren , Chen Chen

Recently there has been a growing interest in category-level object pose and size estimation, and prevailing methods commonly rely on single view RGB-D images. However, one disadvantage of such methods is that they require accurate depth…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jiaqi Yang , Yucong Chen , Xiangting Meng , Chenxin Yan , Min Li , Ran Cheng , Lige Liu , Tao Sun , Laurent Kneip

RGB-D cameras supply rich and dense visual and spatial information for various robotics tasks such as scene understanding, map reconstruction, and localization. Integrating depth and visual information can aid robots in localization and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Ali Tourani , Saad Ejaz , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Simultaneous localization and mapping (SLAM) has achieved impressive performance in static environments. However, SLAM in dynamic environments remains an open question. Many methods directly filter out dynamic objects, resulting in…

Robotics · Computer Science 2024-11-26 Haoang Li , Xiangqi Meng , Xingxing Zuo , Zhe Liu , Hesheng Wang , Daniel Cremers

In this paper, we present RKD-SLAM, a robust keyframe-based dense SLAM approach for an RGB-D camera that can robustly handle fast motion and dense loop closure, and run without time limitation in a moderate size scene. It not only can be…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Haomin Liu , Chen Li , Guojun Chen , Guofeng Zhang , Michael Kaess , Hujun Bao

Camera relocalization plays a vital role in many robotics and computer vision tasks, such as global localization, recovery from tracking failure and loop closure detection. Recent random forests based methods exploit randomly sampled pixel…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Lili Meng , Frederick Tung , James J. Little , Julien Valentin , Clarence de Silva

Aligning partial views of a scene into a single whole is essential to understanding one's environment and is a key component of numerous robotics tasks such as SLAM and SfM. Recent approaches have proposed end-to-end systems that can…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Mohamed El Banani , Luya Gao , Justin Johnson

In this paper, we develop a robust, efficient visual SLAM system that utilizes spatial inhibition of low threshold, baseline lines, and closed-loop keyframe features. Using ORB-SLAM2, our methods include stereo matching, frame tracking,…

Robotics · Computer Science 2022-07-13 Meiyu Zhi

Point cloud maps generated via LiDAR sensors using extensive remotely sensed data are commonly used by autonomous vehicles and robots for localization and navigation. However, dynamic objects contained in point cloud maps not only downgrade…

Robotics · Computer Science 2024-02-29 Feiya Li , Chunyun Fu , Dongye Sun , Jian Li , Jianwen Wang

Dynamic environments are challenging for visual SLAM since the moving objects occlude the static environment features and lead to wrong camera motion estimation. In this paper, we present a novel dense RGB-D SLAM solution that…

Robotics · Computer Science 2020-03-12 Tianwei Zhang , Huayan Zhang , Yang Li , Yoshihiko Nakamura , Lei Zhang

Radar SLAM is robust in challenging conditions, such as fog, dust, and smoke, but suffers from the sparsity and noisiness of radar sensing, including speckle noise and multipath effects. This study provides a performance-enhanced radar SLAM…

Robotics · Computer Science 2025-01-03 Yang Xu , Qiucan Huang , Shaojie Shen , Huan Yin

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity, or near-infrared light within each pixel. These images…

Robotics · Computer Science 2025-05-06 Sier Ha , Honghao Du , Xianjia Yu , Tomi Westerlund

Simultaneous localization and mapping (SLAM) is an essential component of robotic systems. In this work we perform a feasibility study of RGB-D SLAM for the task of indoor robot navigation. Recent visual SLAM methods, e.g. ORBSLAM2…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 David Prokhorov , Dmitry Zhukov , Olga Barinova , Anna Vorontsova , Anton Konushin

Classical monocular Simultaneous Localization And Mapping (SLAM) and the recently emerging convolutional neural networks (CNNs) for monocular depth prediction represent two largely disjoint approaches towards building a 3D map of the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Lokender Tiwari , Pan Ji , Quoc-Huy Tran , Bingbing Zhuang , Saket Anand , Manmohan Chandraker

Visual slam technology is one of the key technologies for robot to explore unknown environment independently. Accurate estimation of camera pose based on visual sensor is the basis of autonomous navigation and positioning. However, most…

Robotics · Computer Science 2020-12-01 Deng Su , Dehong Chong

Image segmentation is a vital task for providing human assistance and enhancing autonomy in our daily lives. In particular, RGB-D segmentation-leveraging both visual and depth cues-has attracted increasing attention as it promises richer…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Aecheon Jung , Soyun Choi , Junhong Min , Sungeun Hong