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With the rapidly increasing demand for oriented object detection (OOD), recent research involving weakly-supervised detectors for learning OOD from point annotations has gained great attention. In this paper, we rethink this challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Yi Yu , Botao Ren , Peiyuan Zhang , Mingxin Liu , Junwei Luo , Shaofeng Zhang , Feipeng Da , Junchi Yan , Xue Yang

In this paper we address smoothing-that is, optimisation-based-estimation techniques for localisation problems in the case where motion sensors are very accurate. Our mathematical analysis focuses on the difficult limit case where motion…

Systems and Control · Electrical Eng. & Systems 2022-04-12 Paul Chauchat , Silvere Bonnabel , Axel Barrau

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

Robotics · Computer Science 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

Object detection can be regarded as a pixel clustering task, and its boundary is determined by four extreme points (leftmost, top, rightmost, and bottom). However, most studies focus on the center or corner points of the object, which are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Yang Yang , Min Li , Bo Meng , Zihao Huang , Junxing Ren , Degang Sun

We propose Rank & Sort (RS) Loss, a ranking-based loss function to train deep object detection and instance segmentation methods (i.e. visual detectors). RS Loss supervises the classifier, a sub-network of these methods, to rank each…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Kemal Oksuz , Baris Can Cam , Emre Akbas , Sinan Kalkan

Vision based localization is the problem of inferring the pose of the camera given a single image. One solution to this problem is to learn a deep neural network to infer the pose of a query image after learning on a dataset of images with…

Machine Learning · Computer Science 2019-11-11 Carlos Lassance , Yasir Latif , Ravi Garg , Vincent Gripon , Ian Reid

The moving average (MA)-type scheme, also known as the smoothing method, has been well established within the multivariate statistical process monitoring (MSPM) framework since the 1990s. However, its theoretical basis is still limited to…

Information Theory · Computer Science 2020-11-11 Yinghong Zhao , Xiao He , Junfeng Zhang , Hongquan Ji , Donghua Zhou , Michael G. Pecht

Two-stage deep object detectors generate a set of regions-of-interest (RoI) in the first stage, then, in the second stage, identify objects among the proposed RoIs that sufficiently overlap with a ground truth (GT) box. The second stage is…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Kemal Oksuz , Baris Can Cam , Emre Akbas , Sinan Kalkan

Deep neural networks can be easily fooled into making incorrect predictions through corruption of the input by adversarial perturbations: human-imperceptible artificial noise. So far adversarial training has been the most successful defense…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Lin Li , Michael Spratling

Recently, multi-objective optimization (MOO) has gained attention for its broad applications in ML, operations research, and engineering. However, MOO algorithm design remains in its infancy and many existing MOO methods suffer from…

Machine Learning · Computer Science 2025-06-26 Zhuqing Liu , Chaosheng Dong , Michinari Momma , Simone Shao , Shaoyuan Xu , Yan Gao , Haibo Yang , Jia Liu

Recent optimizers such as Lion and Muon have demonstrated strong empirical performance by normalizing gradient momentum via linear minimization oracles (LMOs). While variance reduction has been explored to accelerate LMO-based methods, it…

Machine Learning · Computer Science 2026-05-08 Won-Jun Jang , Si-Hyeon Lee

The most popular evaluation metric for object detection in 2D images is Intersection over Union (IoU). Existing implementations of the IoU metric for 3D object detection usually neglect one or more degrees of freedom. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Michael G. Adam , Martin Piccolrovazzi , Sebastian Eger , Eckehard Steinbach

Robustly and accurately localizing objects in real-world environments can be challenging due to noisy data, hardware limitations, and the inherent randomness of physical systems. To account for these factors, existing works estimate the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Moussa Kassem Sbeyti , Michelle Karg , Christian Wirth , Azarm Nowzad , Sahin Albayrak

Simultaneous Localization and Mapping (SLAM) is considered to be an essential capability for intelligent vehicles and mobile robots. However, most of the current lidar SLAM approaches are based on the assumption of a static environment.…

Robotics · Computer Science 2022-06-22 Chenglong Qian , Zhaohong Xiang , Zhuoran Wu , Hongbin Sun

Semi-Supervised Object Detection (SSOD), aiming to explore unlabeled data for boosting object detectors, has become an active task in recent years. However, existing SSOD approaches mainly focus on horizontal objects, leaving multi-oriented…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Wei Hua , Dingkang Liang , Jingyu Li , Xiaolong Liu , Zhikang Zou , Xiaoqing Ye , Xiang Bai

We propose a framework for tightly-coupled lidar inertial odometry via smoothing and mapping, LIO-SAM, that achieves highly accurate, real-time mobile robot trajectory estimation and map-building. LIO-SAM formulates lidar-inertial odometry…

Robotics · Computer Science 2020-07-15 Tixiao Shan , Brendan Englot , Drew Meyers , Wei Wang , Carlo Ratti , Daniela Rus

Modern CNN-based object detectors assign anchors for ground-truth objects under the restriction of object-anchor Intersection-over-Unit (IoU). In this study, we propose a learning-to-match approach to break IoU restriction, allowing objects…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Xiaosong Zhang , Fang Wan , Chang Liu , Rongrong Ji , Qixiang Ye

Internet of Things (IoT) device localization is fundamental to smart home functionalities, including indoor navigation and tracking of individuals. Traditional localization relies on relative methods utilizing the positions of anchors…

Information Theory · Computer Science 2024-07-04 Yan Li , Jie Yang , Shang-Ling Shih , Wan-Ting Shih , Chao-Kai Wen , Shi Jin

Recent years have seen a growing interest in understanding acceleration methods through the lens of ordinary differential equations (ODEs). Despite the theoretical advancements, translating the rapid convergence observed in continuous-time…

Optimization and Control · Mathematics 2024-06-05 Zhonglin Xie , Wotao Yin , Zaiwen Wen

The Jaccard index, also known as Intersection-over-Union (IoU), is one of the most critical evaluation metrics in image semantic segmentation. However, direct optimization of IoU score is very difficult because the learning objective is…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Litao Yu , Zhibin Li , Min Xu , Yongsheng Gao , Jiebo Luo , Jian Zhang