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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…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Youngseok Kim , Sanmin Kim , Jun Won Choi , Dongsuk Kum

Vision transformers (ViTs) have demonstrated their superior accuracy for computer vision tasks compared to convolutional neural networks (CNNs). However, ViT models are often computation-intensive for efficient deployment on…

An autonomous driving system requires a 3D object detector, which must perceive all present road agents reliably to navigate an environment safely. However, real-world driving datasets often suffer from the problem of data imbalance, which…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Daeun Lee , Jongwon Park , Jinkyu Kim

This paper presents a Light Detection and Ranging (LiDAR) data set that targets complex urban environments. Urban environments with high-rise buildings and congested traffic pose a significant challenge for many robotics applications. The…

机器人学 · 计算机科学 2018-03-19 Jinyong Jeong , Younggun Cho , Young-Sik Shin , Hyunchul Roh , Ayoung Kim

Many LiDAR-based methods for detecting large objects, single-class object detection, or under easy situations were claimed to perform quite well. However, their performances of detecting small objects or under hard situations did not…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Chia-Hung Wang , Hsueh-Wei Chen , Li-Chen Fu

Detecting objects in 3D LiDAR data is a core technology for autonomous driving and other robotics applications. Although LiDAR data is acquired over time, most of the 3D object detection algorithms propose object bounding boxes…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Rui Huang , Wanyue Zhang , Abhijit Kundu , Caroline Pantofaru , David A Ross , Thomas Funkhouser , Alireza Fathi

3D object detection is one of the most important components in any Self-Driving stack, but current state-of-the-art (SOTA) lidar object detectors require costly & slow manual annotation of 3D bounding boxes to perform well. Recently,…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Stefan Baur , Frank Moosmann , Andreas Geiger

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Tianya Zhang , Peter J. Jin

For 3D object detection, both camera and lidar have been demonstrated to be useful sensory devices for providing complementary information about the same scenery with data representations in different modalities, e.g., 2D RGB image vs 3D…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Xinhao Xiang , Jiawei Zhang

LiDAR-based 3D object detection is essential for autonomous driving systems. However, LiDAR point clouds may appear to have sparsity, uneven distribution, and incomplete structures, significantly limiting the detection performance. In road…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Wanjing Zhang , Chenxing Wang

Implicit Neural Representations (INRs) are proving to be a powerful paradigm in unifying task modeling across diverse data domains, offering key advantages such as memory efficiency and resolution independence. Conventional deep learning…

机器学习 · 计算机科学 2025-03-20 Amirhossein Kazerouni , Soroush Mehraban , Michael Brudno , Babak Taati

The LIght Detection And Ranging (LiDAR) sensor has become one of the most important perceptual devices due to its important role in simultaneous localization and mapping (SLAM). Existing SLAM methods are mainly developed for mechanical…

机器人学 · 计算机科学 2021-02-18 Han Wang , Chen Wang , Lihua Xie

The recent IRLOS upgrade for VLT/MUSE narrow field mode (NFM) introduced a full-pupil mode to enhance sensitivity and sky coverage. This involved replacing the 2x2 Shack-Hartmann sensor with a single lens for full-aperture photon…

天体物理仪器与方法 · 物理学 2024-06-14 Arseniy Kuznetsov , Sylvain Oberti , Benoit Neichel , Thierry Fusco

LiDAR-based sparse 3D object detection plays a crucial role in autonomous driving applications due to its computational efficiency advantages. Existing methods either use the features of a single central voxel as an object proxy, or treat…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Lin Liu , Ziying Song , Qiming Xia , Feiyang Jia , Caiyan Jia , Lei Yang , Hongyu Pan

Safety of the Intended Functionality (SOTIF) addresses sensor performance limitations and deep learning-based object detection insufficiencies to ensure the intended functionality of Automated Driving Systems (ADS). This paper presents a…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Milin Patel , Rolf Jung

Detecting objects from LiDAR point clouds is of tremendous significance in autonomous driving. In spite of good progress, accurate and reliable 3D detection is yet to be achieved due to the sparsity and irregularity of LiDAR point clouds.…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Shengheng Deng , Zhihao Liang , Lin Sun , Kui Jia

3D object detection from LiDAR point cloud is of critical importance for autonomous driving and robotics. While sequential point cloud has the potential to enhance 3D perception through temporal information, utilizing these temporal…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Zheyuan Zhou , Jiachen Lu , Yihan Zeng , Hang Xu , Li Zhang

Gait recognition is a remote biometric technology that utilizes the dynamic characteristics of human movement to identify individuals even under various extreme lighting conditions. Due to the limitation in spatial perception capability…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Jiaxing Hao , Yanxi Wang , Zhigang Chang , Hongmin Gao , Zihao Cheng , Chen Wu , Xin Zhao , Peiye Fang , Rachmat Muwardi

Scan-based Design-for-Testability (DFT) measures are prevalent in modern digital integrated circuits to achieve high test quality at low hardware cost. With the advent of 3D heterogeneous integration and chiplet-based systems, the role of…

硬件体系结构 · 计算机科学 2025-05-27 Sudipta Paria , Md Rezoan Ferdous , Aritra Dasgupta , Atri Chatterjee , Swarup Bhunia

As an emerging technology and a relatively affordable device, the 4D imaging radar has already been confirmed effective in performing 3D object detection in autonomous driving. Nevertheless, the sparsity and noisiness of 4D radar point…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Weiyi Xiong , Jianan Liu , Tao Huang , Qing-Long Han , Yuxuan Xia , Bing Zhu