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We propose a methodology for lidar super-resolution with ground vehicles driving on roadways, which relies completely on a driving simulator to enhance, via deep learning, the apparent resolution of a physical lidar. To increase the…

Robotics · Computer Science 2020-04-14 Tixiao Shan , Jinkun Wang , Fanfei Chen , Paul Szenher , Brendan Englot

In this paper we propose a real-time, calibration-agnostic and effective localization system for self-driving cars. Our method learns to embed the online LiDAR sweeps and intensity map into a joint deep embedding space. Localization is then…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Ioan Andrei Bârsan , Shenlong Wang , Andrei Pokrovsky , Raquel Urtasun

Odometry is a critical task for autonomous systems for self-localization and navigation. We propose a novel LiDAR-Visual odometry framework that integrates LiDAR point clouds and images for accurate and robust pose estimation. Our method…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 JunYing Huang , Ao Xu , DongSun Yong , KeRen Li , YuanFeng Wang , Qi Qin

Robot localization using a built map is essential for a variety of tasks including accurate navigation and mobile manipulation. A popular approach to robot localization is based on image-to-point cloud registration, which combines…

Robotics · Computer Science 2025-07-08 Guangming Wang , Yu Zheng , Yuxuan Wu , Yanfeng Guo , Zhe Liu , Yixiang Zhu , Wolfram Burgard , Hesheng Wang

Training networks to perform metric relocalization traditionally requires accurate image correspondences. In practice, these are obtained by restricting domain coverage, employing additional sensors, or capturing large multi-view datasets.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Mike Kasper , Fernando Nobre , Christoffer Heckman , Nima Keivan

As camera and LiDAR sensors capture complementary information used in autonomous driving, great efforts have been made to develop semantic segmentation algorithms through multi-modality data fusion. However, fusion-based approaches require…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Xu Yan , Jiantao Gao , Chaoda Zheng , Chao Zheng , Ruimao Zhang , Shenghui Cui , Zhen Li

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Despite the increasing prevalence of robots in daily life, their navigation capabilities are still limited to environments with prior knowledge, such as a global map. To fully unlock the potential of robots, it is crucial to enable them to…

Robotics · Computer Science 2023-11-21 Tingxiang Fan , Bowen Shen , Yinqiang Zhang , Chuye Zhang , Lei Yang , Hua Chen , Wei Zhang , Jia Pan

Vectorized HD map is essential for autonomous driving. Remarkable work has been achieved in recent years, but there are still major issues: (1) in the generation of the BEV features, single modality-based methods are of limited perception…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Ruqin Zhou , Chenguang Dai , Wanshou Jiang , Yongsheng Zhang , Hanyun Wang , San Jiang

Depth perception is pivotal in many fields, such as robotics and autonomous driving, to name a few. Consequently, depth sensors such as LiDARs rapidly spread in many applications. The 3D point clouds generated by these sensors must often be…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Andrea Conti , Matteo Poggi , Filippo Aleotti , Stefano Mattoccia

Modern lidar systems can produce not only dense point clouds but also 360 degrees low-resolution images. This advancement facilitates the application of deep learning (DL) techniques initially developed for conventional RGB cameras and…

Robotics · Computer Science 2025-04-18 Sier Ha , Honghao Du , Xianjia Yu , Jian Song , Tomi Westerlund

Domain gaps of sensor modalities pose a challenge for the design of autonomous robots. Taking a step towards closing this gap, we propose two unsupervised training frameworks for finding a common representation of LiDAR and camera data. The…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Andreas Bühler , Niclas Vödisch , Mathias Bürki , Lukas Schaupp

Localization is paramount for autonomous robots. While camera and LiDAR-based approaches have been extensively investigated, they are affected by adverse illumination and weather conditions. Therefore, radar sensors have recently gained…

Robotics · Computer Science 2024-11-05 Abhijeet Nayak , Daniele Cattaneo , Abhinav Valada

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

LiDAR and photogrammetry are active and passive remote sensing techniques for point cloud acquisition, respectively, offering complementary advantages and heterogeneous. Due to the fundamental differences in sensing mechanisms, spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Chen Wang , Yanfeng Gu , Xian Li

With the advent of advanced multi-sensor fusion models, there has been a notable enhancement in the performance of perception tasks within in terms of autonomous driving. Despite these advancements, the challenges persist, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Wei Jong Yang , Guan Cheng Lee

Maintaining accurate, up-to-date maps is important in any dynamic urban landscape, supporting various aspects of modern society, such as urban planning, navigation, and emergency response. However, traditional (i.e. largely manual) map…

Artificial Intelligence · Computer Science 2024-07-08 Lasith Niroshan , James D. Carswell

Recovering high-quality images from undersampled measurements is critical for accelerated MRI reconstruction. Recently, various supervised deep learning-based MRI reconstruction methods have been developed. Despite the achieved promising…

Image and Video Processing · Electrical Eng. & Systems 2022-03-21 Weijian Huang , Cheng Li , Wenxin Fan , Yongjin Zhou , Qiegen Liu , Hairong Zheng , Shanshan Wang

High-definition (HD) semantic map generation of the environment is an essential component of autonomous driving. Existing methods have achieved good performance in this task by fusing different sensor modalities, such as LiDAR and camera.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Hao Dong , Weihao Gu , Xianjing Zhang , Jintao Xu , Rui Ai , Huimin Lu , Juho Kannala , Xieyuanli Chen

Multi-robot collaboration is becoming increasingly critical and presents significant challenges in modern robotics, especially for building a globally consistent, accurate map. Traditional multi-robot pose graph optimization (PGO) methods…

Robotics · Computer Science 2026-03-02 Lijie Wang , Xiaoyi Zhong , Ziyi Xu , Kaixin Chai , Anke Zhao , Tianyu Zhao , Changjian Jiang , Qianhao Wang , Fei Gao