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Wireless communications at high-frequency bands with large antenna arrays face challenges in beam management, which can potentially be improved by multimodality sensing information from cameras, LiDAR, radar, and GPS. In this paper, we…

信号处理 · 电气工程与系统科学 2023-09-22 Yu Tian , Qiyang Zhao , Zine el abidine Kherroubi , Fouzi Boukhalfa , Kebin Wu , Faouzi Bader

Image Forgery Localization (IFL) technology aims to detect and locate the forged areas in an image, which is very important in the field of digital forensics. However, existing IFL methods suffer from feature degradation during training…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yakun Niu , Pei Chen , Lei Zhang , Lei Tan , Yingjian Chen

The main objective of the Wide Field Monitor (WFM) on the LOFT mission is to provide unambiguous detection of the high-energy sources in a large field of view, in order to support science operations of the LOFT primary instrument, the LAD.…

Modern deep learning models require large amounts of accurately annotated data, which is often difficult to satisfy. Hence, weakly supervised tasks, including weakly supervised object localization~(WSOL) and detection~(WSOD), have recently…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Chen-Lin Zhang , Yin Li , Jianxin Wu

Filaments are ubiquitous in astronomical data sets. Be it in particle simulations or observations, filaments are always tracers of a perturbation in the equilibrium of the studied system and hold essential information on its history and…

Autonomous driving datasets are essential for validating the progress of intelligent vehicle algorithms, which include localization, perception, and prediction. However, existing datasets are predominantly focused on structured urban…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Chenfeng Wei , Qi Wu , Si Zuo , Jiahua Xu , Boyang Zhao , Zeyu Yang , Guotao Xie , Shenhong Wang

Cross-modal artificial intelligence, represented by visual language models, has achieved significant success in general image understanding. However, a fundamental cognitive inconsistency exists between general visual representation and…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Yi Yang , Xiaokun Zhang , Qingchen Fang , Jing Liu , Ziqi Ye , Rui Li , Li Liu , Haipeng Wang

LiDAR and Radar are two complementary sensing approaches in that LiDAR specializes in capturing an object's 3D shape while Radar provides longer detection ranges as well as velocity hints. Though seemingly natural, how to efficiently…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Yingjie Wang , Jiajun Deng , Yao Li , Jinshui Hu , Cong Liu , Yu Zhang , Jianmin Ji , Wanli Ouyang , Yanyong Zhang

Current Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities in understanding multimodal data, but their potential remains underexplored for deepfake detection due to the misalignment of their knowledge and…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Peipeng Yu , Jianwei Fei , Hui Gao , Xuan Feng , Zhihua Xia , Chip Hong Chang

3D LiDAR scanners are playing an increasingly important role in autonomous driving as they can generate depth information of the environment. However, creating large 3D LiDAR point cloud datasets with point-level labels requires a…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Xiangyu Yue , Bichen Wu , Sanjit A. Seshia , Kurt Keutzer , Alberto L. Sangiovanni-Vincentelli

Vertical beam dropout in spinning LiDAR sensors triggered by hardware aging, dust, snow, fog, or bright reflections removes entire vertical slices from the point cloud and severely degrades 3D perception in autonomous vehicles. This paper…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Khalfalla Awedat , Mohamed Abidalrekab , Mohammad El-Yabroudi

As the previous state-of-the-art 4D radar-camera fusion-based 3D object detection method, LXL utilizes the predicted image depth distribution maps and radar 3D occupancy grids to assist the sampling-based image view transformation. However,…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Weiyi Xiong , Zean Zou , Qiuchi Zhao , Fengchun He , Bing Zhu

Global place recognition and 3D relocalization are one of the most important components in the loop closing detection for 3D LiDAR Simultaneous Localization and Mapping (SLAM). In order to find the accurate global 6-DoF transform by feature…

机器人学 · 计算机科学 2023-09-18 Kyeongsu Kang , Minjae Lee , Hyeonwoo Yu

LiDAR-camera fusion methods have shown impressive performance in 3D object detection. Recent advanced multi-modal methods mainly perform global fusion, where image features and point cloud features are fused across the whole scene. Such…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Xin Li , Tao Ma , Yuenan Hou , Botian Shi , Yuchen Yang , Youquan Liu , Xingjiao Wu , Qin Chen , Yikang Li , Yu Qiao , Liang He

We present DurLAR, a high-fidelity 128-channel 3D LiDAR dataset with panoramic ambient (near infrared) and reflectivity imagery, as well as a sample benchmark task using depth estimation for autonomous driving applications. Our driving…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Li Li , Khalid N. Ismail , Hubert P. H. Shum , Toby P. Breckon

Accurate and robust LiDAR 3D object detection is essential for comprehensive scene understanding in autonomous driving. Despite its importance, LiDAR detection performance is limited by inherent constraints of point cloud data, particularly…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Rui Yu , Runkai Zhao , Cong Nie , Heng Wang , HuaiCheng Yan , Meng Wang

LiDAR-based vision systems are integral for 3D object detection, which is crucial for autonomous navigation. However, they suffer from performance degradation in adverse weather conditions due to the quality deterioration of LiDAR point…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Xun Huang , Ziyu Xu , Hai Wu , Jinlong Wang , Qiming Xia , Yan Xia , Jonathan Li , Kyle Gao , Chenglu Wen , Cheng Wang

Depth acquisition, based on active illumination, is essential for autonomous and robotic navigation. LiDARs (Light Detection And Ranging) with mechanical, fixed, sampling templates are commonly used in today's autonomous vehicles. An…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Adam Wolff , Shachar Praisler , Ilya Tcenov , Guy Gilboa

With the continuous research on Deepfake forensics, recent studies have attempted to provide the fine-grained localization of forgeries, in addition to the coarse classification at the video-level. However, the detection and localization…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Wu Haiwei , Zhou Jiantao , Zhang Shile , Tian Jinyu

3D point clouds are essential for perceiving outdoor scenes, especially within the realm of autonomous driving. Recent advances in 3D LiDAR Object Detection focus primarily on the spatial positioning and distribution of points to ensure…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Li Li , Tanqiu Qiao , Hubert P. H. Shum , Toby P. Breckon