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Unmanned aerial vehicles (UAVs) equipped with multiple complementary sensors have tremendous potential for fast autonomous or remote-controlled semantic scene analysis, e.g., for disaster examination. In this work, we propose a UAV system…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Simon Bultmann , Jan Quenzel , Sven Behnke

As an important task in remote sensing image analysis, remote sensing change detection (RSCD) aims to identify changes of interest in a region from spatially co-registered multi-temporal remote sensing images, so as to monitor the local…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Xiaowen Ma , Jiawei Yang , Tingfeng Hong , Mengting Ma , Ziyan Zhao , Tian Feng , Wei Zhang

Existing LiDAR-based 3D object detectors usually focus on the single-frame detection, while ignoring the spatiotemporal information in consecutive point cloud frames. In this paper, we propose an end-to-end online 3D video object detector…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Junbo Yin , Jianbing Shen , Chenye Guan , Dingfu Zhou , Ruigang Yang

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

Temporal semantic scene understanding is critical for self-driving cars or robots operating in dynamic environments. In this paper, we propose 4D panoptic LiDAR segmentation to assign a semantic class and a temporally-consistent instance ID…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Mehmet Aygün , Aljoša Ošep , Mark Weber , Maxim Maximov , Cyrill Stachniss , Jens Behley , Laura Leal-Taixé

Skeleton-based action recognition (SAR) has achieved impressive progress with transformer architectures. However, existing methods often rely on complex module compositions and heavy designs, leading to increased parameter counts, high…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Wenhan Wu , Zhishuai Guo , Chen Chen , Aidong Lu

Holistic understanding and reasoning in 3D scenes are crucial for the success of autonomous driving systems. The evolution of 3D semantic occupancy prediction as a pretraining task for autonomous driving and robotic applications captures…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Sathira Silva , Savindu Bhashitha Wannigama , Gihan Jayatilaka , Muhammad Haris Khan , Roshan Ragel

In LiDAR-based 3D detection, history point clouds contain rich temporal information helpful for future prediction. In the same way, history detections should contribute to future detections. In this paper, we propose a detection enhancement…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xirui Li , Feng Wang , Naiyan Wang , Chao Ma

Unmanned aerial vehicles (UAVs) equipped with multiple complementary sensors have tremendous potential for fast autonomous or remote-controlled semantic scene analysis, e.g., for disaster examination. Here, we propose a UAV system for…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Simon Bultmann , Jan Quenzel , Sven Behnke

Accurate semantic segmentation of remote sensing imagery is critical for various Earth observation applications, such as land cover mapping, urban planning, and environmental monitoring. However, individual data sources often present…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Ivica Dimitrovski , Vlatko Spasev , Ivan Kitanovski

Multimodal spiking neural networks (SNNs) hold significant potential for energy-efficient sensory processing but face critical challenges in modality imbalance and temporal misalignment. Current approaches suffer from uncoordinated…

Machine Learning · Computer Science 2025-05-21 Jiangrong Shen , Yulin Xie , Qi Xu , Gang Pan , Huajin Tang , Badong Chen

The trade-off in remote sensing instruments that balances the spatial resolution and temporal frequency limits our capacity to monitor spatial and temporal dynamics effectively. The spatiotemporal data fusion technique is considered as a…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Qing Cheng , Huiqing Liu , Huanfeng Shen , Penghai Wu , Liangpei Zhang

We present DetectFusion, an RGB-D SLAM system that runs in real-time and can robustly handle semantically known and unknown objects that can move dynamically in the scene. Our system detects, segments and assigns semantic class labels to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Ryo Hachiuma , Christian Pirchheim , Dieter Schmalstieg , Hideo Saito

Recent camera-based 3D object detection methods have introduced sequential frames to improve the detection performance hoping that multiple frames would mitigate the large depth estimation error. Despite improved detection performance,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Sanmin Kim , Youngseok Kim , In-Jae Lee , Dongsuk Kum

Multimodal camera-LiDAR fusion technology has found extensive application in 3D object detection, demonstrating encouraging performance. However, existing methods exhibit significant performance degradation in challenging scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Sixian Liu , Chen Xu , Qiang Wang , Donghai Shi , Yiwen Li

Lidars and cameras are critical sensors that provide complementary information for 3D detection in autonomous driving. While most prevalent methods progressively downscale the 3D point clouds and camera images and then fuse the high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Zixuan Yin , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Sparse algorithms offer great flexibility for multi-view temporal perception tasks. In this paper, we present an enhanced version of Sparse4D, in which we improve the temporal fusion module by implementing a recursive form of multi-frame…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Xuewu Lin , Tianwei Lin , Zixiang Pei , Lichao Huang , Zhizhong Su

Multimodal sensor fusion is an essential capability for autonomous robots, enabling object detection and decision-making in the presence of failing or uncertain inputs. While recent fusion methods excel in normal environmental conditions,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Edoardo Palladin , Roland Dietze , Praveen Narayanan , Mario Bijelic , Felix Heide

Place recognition is one of the most crucial modules for autonomous vehicles to identify places that were previously visited in GPS-invalid environments. Sensor fusion is considered an effective method to overcome the weaknesses of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Zijie Zhou , Jingyi Xu , Guangming Xiong , Junyi Ma

Remote sensing image captioning aims to generate semantically accurate descriptions that are closely linked to the visual features of remote sensing images. Existing approaches typically emphasize fine-grained extraction of visual features…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Maofu Liu , Jiahui Liu , Xiaokang Zhang