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Nowadays, more and more sensors are equipped on robots to increase robustness and autonomous ability. We have seen various sensor suites equipped on different platforms, such as stereo cameras on ground vehicles, a monocular camera with an…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Tong Qin , Jie Pan , Shaozu Cao , Shaojie Shen

High-quality surface normal can help improve geometry estimation in problems faced by autonomous vehicles, such as collision avoidance and occlusion inference. While a considerable volume of literature focuses on densely scanned indoor…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Ancheng Lin , Jun Li , Yusheng Xiang , Wei Bian , Mukesh Prasad

We propose a framework for tightly-coupled lidar inertial odometry via smoothing and mapping, LIO-SAM, that achieves highly accurate, real-time mobile robot trajectory estimation and map-building. LIO-SAM formulates lidar-inertial odometry…

Robotics · Computer Science 2020-07-15 Tixiao Shan , Brendan Englot , Drew Meyers , Wei Wang , Carlo Ratti , Daniela Rus

In recent years, transformer-based architectures become the de facto standard for sequence modeling in deep learning frameworks. Inspired by the successful examples, we propose a causal visual-inertial fusion transformer (VIFT) for pose…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Yunus Bilge Kurt , Ahmet Akman , A. Aydın Alatan

This paper addresses the problem of accurate localization for quadrupedal robots operating in narrow tunnel-like environments. Due to the long and homogeneous characteristics of such scenarios, LiDAR measurements often provide weak…

Robotics · Computer Science 2026-01-06 Yujian Qiu , Yuqiu Mu , Wen Yang , Hao Zhu

End-to-end autonomous driving has witnessed remarkable progress. However, the extensive deployment of autonomous vehicles has yet to be realized, primarily due to 1) inefficient multi-modal environment perception: how to integrate data from…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Dongyang Xu , Haokun Li , Qingfan Wang , Ziying Song , Lei Chen , Hanming Deng

Multi-sensor perception is crucial to ensure the reliability and accuracy in autonomous driving system, while multi-object tracking (MOT) improves that by tracing sequential movement of dynamic objects. Most current approaches for…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Wenwei Zhang , Hui Zhou , Shuyang Sun , Zhe Wang , Jianping Shi , Chen Change Loy

Maintaining stable and accurate localization during fast motion or on rough terrain remains highly challenging for mobile robots with onboard resources. Currently, multi-sensor fusion methods based on continuous-time representation offer a…

Robotics · Computer Science 2026-04-07 Lei Zhao , Xingyi Li , Tianchen Deng , Chuan Cao , Han Zhang , Weidong Chen

Multimodal camera-LiDAR fusion technology has found extensive application in 3D object detection, demonstrating encouraging performance. However, existing methods exhibit significant performance degradation in challenging scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Sixian Liu , Chen Xu , Qiang Wang , Donghai Shi , Yiwen Li

Autonomous driving necessitates advanced object detection techniques that integrate information from multiple modalities to overcome the limitations associated with single-modal approaches. The challenges of aligning diverse data in early…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Qihang Yang , Yang Zhao , Hong Cheng

Extensive research efforts have been dedicated to deep learning based odometry. Nonetheless, few efforts are made on the unsupervised deep lidar odometry. In this paper, we design a novel framework for unsupervised lidar odometry with the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Yiming Tu , Jin Xie

This paper introduces a novel deep learning-based multimodal fusion architecture aimed at enhancing the perception capabilities of autonomous navigation robots in complex environments. By utilizing innovative feature extraction modules,…

Machine Learning · Computer Science 2025-04-29 Delun Lai , Yeyubei Zhang , Yunchong Liu , Chaojie Li , Huadong Mo

Reliable, drift-free global localization presents significant challenges yet remains crucial for autonomous navigation in large-scale dynamic environments. In this paper, we introduce a tightly-coupled Semantic-LiDAR-Inertial-Wheel Odometry…

Robotics · Computer Science 2025-09-19 Haoxuan Jiang , Peicong Qian , Yusen Xie , Linwei Zheng , Xiaocong Li , Ming Liu , Jun Ma

Integrating multiple LiDAR sensors can significantly enhance a robot's perception of the environment, enabling it to capture adequate measurements for simultaneous localization and mapping (SLAM). Indeed, solid-state LiDARs can bring in…

Robotics · Computer Science 2023-03-07 Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Tomi Westerlund

Multimodal learning has been lacking principled ways of combining information from different modalities and learning a low-dimensional manifold of meaningful representations. We study multimodal learning and sensor fusion from a latent…

Machine Learning · Computer Science 2019-04-24 Lijiang Guo

Cameras and 2D laser scanners, in combination, are able to provide low-cost, light-weight and accurate solutions, which make their fusion well-suited for many robot navigation tasks. However, correct data fusion depends on precise…

Robotics · Computer Science 2019-08-02 Michelle Valente , Cyril Joly , Arnaud de La Fortelle

To measure system states and local environment directly with high precision, expensive sensors are required. However, highly accurate system states and environmental perception can also be achieved using data fusion techniques and digital…

Robotics · Computer Science 2018-01-09 Maximilian Harr , Christoph Schaefer

Recently, deep learning-based tooth segmentation methods have been limited by the expensive and time-consuming processes of data collection and labeling. Achieving high-precision segmentation with limited datasets is critical. A viable…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Yuan Li , Huan Liu , Yubo Tao , Xiangyang He , Haifeng Li , Xiaohu Guo , Hai Lin

3D multi-object tracking (MOT) is essential for an autonomous mobile agent to safely navigate a scene. In order to maximize the perception capabilities of the autonomous agent, we aim to develop a 3D MOT framework that fuses camera and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Tara Sadjadpour , Rares Ambrus , Jeannette Bohg

Oral cancer is frequently diagnosed at later stages due to its similarity to other lesions. Existing research on computer aided diagnosis has made progress using deep learning; however, most approaches remain limited by small, imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Joy Naoum , Revana Salama , Ali Hamdi