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This study addresses the need for accurate and efficient object detection in assistive technologies for visually impaired individuals. We evaluate four real-time object detection algorithms YOLO, SSD, Faster R-CNN, and Mask R-CNN within the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Abhinav Pratap , Sushant Kumar , Suchinton Chakravarty

Although multiview fusion has demonstrated potential in LiDAR segmentation, its dependence on computationally intensive point-based interactions, arising from the lack of fixed correspondences between views such as range view and Bird's-Eye…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shoumeng Qiu , Xinrun Li , XiangYang Xue , Jian Pu

Foresighted robot navigation in dynamic indoor environments with cost-efficient hardware necessitates the use of a lightweight yet dependable controller. So inferring the scene dynamics from sensor readings without explicit object tracking…

Robotics · Computer Science 2024-02-29 Jorge de Heuvel , Xiangyu Zeng , Weixian Shi , Tharun Sethuraman , Maren Bennewitz

Camera and radar sensors have significant advantages in cost, reliability, and maintenance compared to LiDAR. Existing fusion methods often fuse the outputs of single modalities at the result-level, called the late fusion strategy. This can…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Youngseok Kim , Sanmin Kim , Jun Won Choi , Dongsuk Kum

LiDAR-based 3D object detection plays a crucial role in modern autonomous driving systems. LiDAR data often exhibit severe changes in properties across different observation ranges. In this paper, we explore cross-range adaptation for 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Ze Wang , Sihao Ding , Ying Li , Minming Zhao , Sohini Roychowdhury , Andreas Wallin , Guillermo Sapiro , Qiang Qiu

Determining accurate bird's eye view (BEV) positions of objects and tracks in a scene is vital for various perception tasks including object interactions mapping, scenario extraction etc., however, the level of supervision required to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Paridhi Singh , Gaurav Singh , Arun Kumar

Point cloud data from 3D LiDAR sensors are one of the most crucial sensor modalities for versatile safety-critical applications such as self-driving vehicles. Since the annotations of point cloud data is an expensive and time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Khaled Saleh , Ahmed Abobakr , Mohammed Attia , Julie Iskander , Darius Nahavandi , Mohammed Hossny

Accurate 3D person detection is critical for safety in applications such as robotics, industrial monitoring, and surveillance. This work presents a systematic evaluation of 3D person detection using camera-only, LiDAR-only, and camera-LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Malaz Tamim , Andrea Matic-Flierl , Karsten Roscher

We present a LiDAR-based and real-time capable 3D perception system for automated driving in urban domains. The hierarchical system design is able to model stationary and movable parts of the environment simultaneously and under real-time…

Robotics · Computer Science 2020-05-08 Jens Rieken , Markus Maurer

Accurate 3D lane estimation is crucial for ensuring safety in autonomous driving. However, prevailing monocular techniques suffer from depth loss and lighting variations, hampering accurate 3D lane detection. In contrast, LiDAR points offer…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yueru Luo , Shuguang Cui , Zhen Li

In autonomous driving, 3D occupancy prediction outputs voxel-wise status and semantic labels for more comprehensive understandings of 3D scenes compared with traditional perception tasks, such as 3D object detection and bird's-eye view…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jiawei Hou , Xiaoyan Li , Wenhao Guan , Gang Zhang , Di Feng , Yuheng Du , Xiangyang Xue , Jian Pu

Integrating LiDAR and camera information into Bird's-Eye-View (BEV) representation has emerged as a crucial aspect of 3D object detection in autonomous driving. However, existing methods are susceptible to the inaccurate calibration…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziying Song , Lei Yang , Shaoqing Xu , Lin Liu , Dongyang Xu , Caiyan Jia , Feiyang Jia , Li Wang

LiDAR-camera fusion is one of the core processes for the perception system of current automated driving systems. The typical sensor fusion process includes a list of coordinate transformation operations following system calibration.…

Robotics · Computer Science 2023-11-09 Dan Shen , Zhengming Zhang , Renran Tian , Yaobin Chen , Rini Sherony

Map construction in large scale outdoor environment is of importance for robots to robustly fulfill their tasks. Massive sessions of data should be merged to distinguish low dynamics in the map, which otherwise might debase the performance…

Robotics · Computer Science 2018-07-24 Xiaqing Ding , Yue Wang , Huan Yin , Li Tang , Rong Xiong

We present a bootstrap perception system for indoor robot navigation under hardware depth failure. In our corridor data, the time-of-flight camera loses up to 78% of its depth pixels on reflective surfaces, yet a 2D LiDAR alone cannot sense…

Robotics · Computer Science 2026-04-01 Nishant Pushparaju , Vivek Mattam , Aliasghar Arab

Accurate perception and scene understanding in complex urban environments is a critical challenge for ensuring safe and efficient autonomous navigation. In this paper, we present Co-Win, a novel bird's eye view (BEV) perception framework…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Haichuan Li , Tomi Westerlund

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

New sensing technologies and more advanced processing algorithms are transforming computer-integrated surgery. While researchers are actively investigating depth sensing and 3D reconstruction for vision-based surgical assistance, it remains…

Image and Video Processing · Electrical Eng. & Systems 2024-01-22 Guido Caccianiga , Julian Nubert , Marco Hutter , Katherine J. Kuchenbecker

Edge computing-based 3D perception has received attention in intelligent transportation systems (ITS) because real-time monitoring of traffic candidates potentially strengthens Vehicle-to-Everything (V2X) orchestration. Thanks to the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Haolin Zhang , M S Mekala , Zulkar Nain , Dongfang Yang , Ju H. Park , Ho-Youl Jung

This paper presents a novel method for real-time 3D navigation in large-scale, complex environments using a hierarchical 3D visibility graph (V-graph). The proposed algorithm addresses the computational challenges of V-graph construction…

Robotics · Computer Science 2024-09-18 Botao He , Guofei Chen , Cornelia Fermuller , Yiannis Aloimonos , Ji Zhang