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Related papers: IFTD: Image Feature Triangle Descriptor for Loop D…

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In this paper, a global descriptor for a LiDAR point cloud, called LiDAR Iris, is proposed for fast and accurate loop-closure detection. A binary signature image can be obtained for each point cloud after several LoG-Gabor filtering and…

Robotics · Computer Science 2020-07-03 Ying Wang , Zezhou Sun , Cheng-Zhong Xu , Sanjay Sarma , Jian Yang , Hui Kong

Traffic anomaly detection (TAD) in driving videos is critical for ensuring the safety of autonomous driving and advanced driver assistance systems. Previous single-stage TAD methods primarily rely on frame prediction, making them vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rongqin Liang , Yuanman Li , Jiantao Zhou , Xia Li

With the advent of powerful, light-weight 3D LiDARs, they have become the hearth of many navigation and SLAM algorithms on various autonomous systems. Pointcloud registration methods working with unstructured pointclouds such as ICP are…

Robotics · Computer Science 2021-04-13 Dominic Streiff , Lukas Bernreiter , Florian Tschopp , Marius Fehr , Roland Siegwart

Detection and description of keypoints from an image is a well-studied problem in Computer Vision. Some methods like SIFT, SURF or ORB are computationally really efficient. This paper proposes a solution for a particular case study on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Ibon Merino , Jon Azpiazu , Anthony Remazeilles , Basilio Sierra

Vision Transformers (ViTs) have achieved remarkable success in computer vision tasks. However, their potential in rotation-sensitive scenarios has not been fully explored, and this limitation may be inherently attributed to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Hongtian Yu , Yunjie Tian , Qixiang Ye , Yunfan Liu

Optical flow, which expresses pixel displacement, is widely used in many computer vision tasks to provide pixel-level motion information. However, with the remarkable progress of the convolutional neural network, recent state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Ruibing Jin , Guosheng Lin , Changyun Wen , Jianliang Wang , Fayao Liu

In autonomous driving scenarios, accurate perception is becoming an even more critical task for safe navigation. While LiDAR provides precise spatial data, its inherent sparsity makes it difficult to detect small or distant objects.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Minseung Lee , Seokha Moon , Seung Joon Lee , Reza Mahjourian , Jinkyu Kim

Despite progress, deep neural networks still suffer performance declines under distribution shifts between training and test domains, leading to a substantial decrease in Quality of Experience (QoE) for applications. Existing test-time…

Machine Learning · Computer Science 2025-06-10 Qinting Jiang , Chuyang Ye , Dongyan Wei , Bingli Wang , Yuan Xue , Jingyan Jiang , Zhi Wang

While most people associate LiDAR primarily with its ability to measure distances and provide geometric information about the environment (via point clouds), LiDAR also captures additional data, including reflectivity or intensity values.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Yechan Park , Gyuhyeon Pak , Euntai Kim

In this paper, we present a real-time 3D detection approach considering time-spatial feature map aggregation from different time steps of deep neural model inference (named feature map flow, FMF). Proposed approach improves the quality of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Youshaa Murhij , Dmitry Yudin

3D object detection is a core component of automated driving systems. State-of-the-art methods fuse RGB imagery and LiDAR point cloud data frame-by-frame for 3D bounding box regression. However, frame-by-frame 3D object detection suffers…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Emeç Erçelik , Ekim Yurtsever , Alois Knoll

Although multi-view 3D object detection based on the Bird's-Eye-View (BEV) paradigm has garnered widespread attention as an economical and deployment-friendly perception solution for autonomous driving, there is still a performance gap…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zheng Jiang , Jinqing Zhang , Yanan Zhang , Qingjie Liu , Zhenghui Hu , Baohui Wang , Yunhong Wang

In computer vision, an entity such as an image or video is often represented as a set of instance vectors, which can be SIFT, motion, or deep learning feature vectors extracted from different parts of that entity. Thus, it is essential to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Jianxin Wu , Bin-Bin Gao , Guoqing Liu

Sophisticated automatic incident detection (AID) technology plays a key role in contemporary transportation systems. Though many papers were devoted to study incident classification algorithms, few study investigated how to enhance feature…

Machine Learning · Computer Science 2016-11-18 Jimmy SJ. Ren , Wei Wang , Jiawei Wang , Stephen Liao

In recent years, camera-based localization has been widely used for robotic applications, and most proposed algorithms rely on local features extracted from recorded images. For better performance, the features used for open-loop…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Yafei Song , Di Zhu , Jia Li , Yonghong Tian , Mingyang Li

Video 3D human pose estimation aims to localize the 3D coordinates of human joints from videos. Recent transformer-based approaches focus on capturing the spatiotemporal information from sequential 2D poses, which cannot model the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Zhongwei Qiu , Qiansheng Yang , Jian Wang , Dongmei Fu

Place recognition is a key module for long-term SLAM systems. Current LiDAR-based place recognition methods usually use representations of point clouds such as unordered points or range images. These methods achieve high recall rates of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Lun Luo , Shuhang Zheng , Yixuan Li , Yongzhi Fan , Beinan Yu , Siyuan Cao , Huiliang Shen

This paper proposes a novel concept to directly match feature descriptors extracted from 2D images with feature descriptors extracted from 3D point clouds. We use this concept to directly localize images in a 3D point cloud. We generate a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Uzair Nadeem , Mohammed Bennamoun , Roberto Togneri , Ferdous Sohel

Robots and autonomous systems need to know where they are within a map to navigate effectively. Thus, simultaneous localization and mapping or SLAM is a common building block of robot navigation systems. When building a map via a SLAM…

Robotics · Computer Science 2021-03-18 Luca Di Giammarino , Irvin Aloise , Cyrill Stachniss , Giorgio Grisetti

We study the challenging incremental few-shot object detection (iFSD) setting. Recently, hypernetwork-based approaches have been studied in the context of continuous and finetune-free iFSD with limited success. We take a closer look at…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Li Yin , Juan M Perez-Rua , Kevin J Liang