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相关论文: Text2LiDAR: Text-guided LiDAR Point Cloud Generati…

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In the autonomous driving domain, data collection and annotation from real vehicles are expensive and sometimes unsafe. Simulators are often used for data augmentation, which requires realistic sensor models that are hard to formulate and…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Ahmad El Sallab , Ibrahim Sobh , Mohamed Zahran , Nader Essam

We tackle the problem of localizing 3D point cloud submaps using complex and diverse natural language descriptions, and present Text2Loc++, a novel neural network designed for effective cross-modal alignment between language and point…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Yan Xia , Letian Shi , Yilin Di , Joao F. Henriques , Daniel Cremers

In this paper, we address the limitations of traditional constant false alarm rate (CFAR) target detectors in automotive radars, particularly in complex urban environments with multiple objects that appear as extended targets. We propose a…

信号处理 · 电气工程与系统科学 2024-06-18 Ignacio Roldan , Andras Palffy , Julian F. P. Kooij , Dariu M. Gavrila , Francesco Fioranelli , Alexander Yarovoy

End-to-end autonomous driving solutions, which process multi-modal sensory data to directly generate refined control commands, have become a dominant paradigm in autonomous driving research. However, these approaches predominantly depend on…

机器人学 · 计算机科学 2025-05-12 Ruidan Xing , Runyi Huang , Qing Xu , Lei He

Data is a fundamental building block for LiDAR perception systems. Unfortunately, real-world data collection and annotation is extremely costly & laborious. Recently, real data based LiDAR simulators have shown tremendous potential to…

机器人学 · 计算机科学 2022-10-18 Chenqi Li , Yuan Ren , Bingbing Liu

We introduce R2LDM, an innovative approach for generating dense and accurate 4D radar point clouds, guided by corresponding LiDAR point clouds. Instead of utilizing range images or bird's eye view (BEV) images, we represent both LiDAR and…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Boyuan Zheng , Shouyi Lu , Renbo Huang , Minqing Huang , Fan Lu , Wei Tian , Guirong Zhuo , Lu Xiong

There is a growing interest in the development of lidar-based autonomous mobility and Intelligent Transportation Systems (ITS). To operate and research on lidar data, researchers often develop code specific to application niche. This…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Muhammad Shahbaz , Shaurya Agarwal

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu

3D LiDAR sensors are indispensable for the robust vision of autonomous mobile robots. However, deploying LiDAR-based perception algorithms often fails due to a domain gap from the training environment, such as inconsistent angular…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume

The validation of LiDAR-based perception of intelligent mobile systems operating in open-world applications remains a challenge due to the variability of real environmental conditions. Virtual simulations allow the generation of arbitrary…

机器人学 · 计算机科学 2025-09-04 Hubert Padusinski , Christian Steinhauser , Christian Scherl , Julian Gaal , Jacob Langner

Although LiDAR sensors are crucial for autonomous systems due to providing precise depth information, they struggle with capturing fine object details, especially at a distance, due to sparse and non-uniform data. Recent advances introduced…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Tiago Cortinhal , Idriss Gouigah , Eren Erdal Aksoy

There is a recent trend in the LiDAR perception field towards unifying multiple tasks in a single strong network with improved performance, as opposed to using separate networks for each task. In this paper, we introduce a new LiDAR…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Zixiang Zhou , Dongqiangzi Ye , Weijia Chen , Yufei Xie , Yu Wang , Panqu Wang , Hassan Foroosh

The primary requirement for cross-modal data fusion is the precise alignment of data from different sensors. However, the calibration between LiDAR point clouds and camera images is typically time-consuming and needs external calibration…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Yuanchao Yue , Hui Yuan , Zhengxin Li , Shuai Li , Wei Zhang

The fusion of LiDARs and cameras has been increasingly adopted in autonomous driving for perception tasks. The performance of such fusion-based algorithms largely depends on the accuracy of sensor calibration, which is challenging due to…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Yuxuan Xiao , Yao Li , Chengzhen Meng , Xingchen Li , Jianmin Ji , Yanyong Zhang

Embodied perception is essential for intelligent vehicles and robots in interactive environmental understanding. However, these advancements primarily focus on vision, with limited attention given to using 3D modeling sensors, restricting a…

Compressing massive LiDAR point clouds in real-time is critical to autonomous machines such as drones and self-driving cars. While most of the recent prior work has focused on compressing individual point cloud frames, this paper proposes a…

图像与视频处理 · 电气工程与系统科学 2020-08-18 Yu Feng , Shaoshan Liu , Yuhao Zhu

In recent years, the LiDAR images, as a 2D compact representation of 3D LiDAR point clouds, are widely applied in various tasks, e.g., 3D semantic segmentation, LiDAR point cloud compression (PCC). Among these works, the optical flow…

图像与视频处理 · 电气工程与系统科学 2021-08-31 Xuezhou Guo , Xuhu Lin , Lili Zhao , Zezhi Zhu , Jianwen Chen

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao

In recent years considerable research in LiDAR semantic segmentation was conducted, introducing several new state of the art models. However, most research focuses on single-scan point clouds, limiting performance especially in long…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Andrea Matteazzi , Pascal Colling , Michael Arnold , Dietmar Tutsch

In the existing methods, LiDAR odometry shows superior performance, but visual odometry is still widely used for its price advantage. Conventionally, the task of visual odometry mainly rely on the input of continuous images. However, it is…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Huiying Deng , Guangming Wang , Zhiheng Feng , Chaokang Jiang , Xinrui Wu , Yanzi Miao , Hesheng Wang