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In recent years, research on learning with noisy labels has focused on devising novel algorithms that can achieve robustness to noisy training labels while generalizing to clean data. These algorithms often incorporate sophisticated…

Machine Learning · Computer Science 2023-07-12 Hui Kang , Sheng Liu , Huaxi Huang , Jun Yu , Bo Han , Dadong Wang , Tongliang Liu

The field of sensor-based human activity recognition (HAR) mainly uses posture, motion and context data of Inertial Measurement Units (IMUs) to identify daily activities. Despite the advancements in learning-based methods, it is challenging…

Artificial Intelligence · Computer Science 2026-05-12 Ye Zhang , Longguang Wang , Qing Gao , Chaocan Xiang , Mohammed Bennamoun , Yulan Guo

This paper addresses the problem of accurate localization for quadrupedal robots operating in narrow tunnel-like environments. Due to the long and homogeneous characteristics of such scenarios, LiDAR measurements often provide weak…

Robotics · Computer Science 2026-01-06 Yujian Qiu , Yuqiu Mu , Wen Yang , Hao Zhu

Supervised training of deep learning models requires large labeled datasets. There is a growing interest in obtaining such datasets for medical image analysis applications. However, the impact of label noise has not received sufficient…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Davood Karimi , Haoran Dou , Simon K. Warfield , Ali Gholipour

Supervised person re-identification methods rely heavily on high-quality cross-camera training label. This significantly hinders the deployment of re-ID models in real-world applications. The unsupervised person re-ID methods can reduce the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Hehan Teng , Tao He , Yuchen Guo , Guiguang Ding

In this paper, we argue that modern pre-integration methods for inertial measurement units (IMUs) are accurate enough to ignore the drift for short time intervals. This allows us to consider a simplified camera model, which in turn admits…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Marcus Valtonen Örnhag , Patrik Persson , Mårten Wadenbäck , Kalle Åström , Anders Heyden

Person re-identification (re-ID) aims at identifying the same persons' images across different cameras. However, domain diversities between different datasets pose an evident challenge for adapting the re-ID model trained on one dataset to…

Computer Vision and Pattern Recognition · Computer Science 2020-01-31 Yixiao Ge , Dapeng Chen , Hongsheng Li

In this study, importance of user inputs is studied in the context of personalizing human activity recognition models using incremental learning. Inertial sensor data from three body positions are used, and the classification is based on…

Machine Learning · Computer Science 2019-05-30 Pekka Siirtola , Heli Koskimäki , Juha Röning

Transformer-based methods have achieved remarkable performance in event-based object detection, owing to the global modeling ability. However, they neglect the influence of non-event and noisy regions and process them uniformly, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Nan Yang , Yang Wang , Zhanwen Liu , Meng Li , Yisheng An , Xiangmo Zhao

Accurate spatiotemporal calibration is a prerequisite for multisensor fusion. However, sensors are typically asynchronous, and there is no overlap between the fields of view of cameras and LiDARs, posing challenges for intrinsic and…

Robotics · Computer Science 2025-01-07 Yuezhang Lv , Yunzhou Zhang , Chao Lu , Jiajun Zhu , Song Wu

Data labeling for learning 3D hand pose estimation models is a huge effort. Readily available, accurately labeled synthetic data has the potential to reduce the effort. However, to successfully exploit synthetic data, current…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Georg Poier , Michael Opitz , David Schinagl , Horst Bischof

Multi-label classification (MLC) faces challenges from label noise in training data due to annotating diverse semantic labels for each image. Current methods mainly target identifying and correcting label mistakes using trained MLC models,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Zhixiang Yuan , Kaixin Zhang , Tao Huang

Intersection over Union (IoU) losses are surrogates that directly optimize the Jaccard index. Leveraging IoU losses as part of the loss function have demonstrated superior performance in semantic segmentation tasks compared to optimizing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Zifu Wang , Xuefei Ning , Matthew B. Blaschko

LiDAR scene flow estimation is essential for autonomous driving, as it provides 3D motion for each point. Self-supervised approaches use static-dynamic classification to mitigate the imbalance between static and dynamic points, deriving…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Youngdong Jang , Gyeongrok Oh , Jong Wook Kim , Hyunju Ryu , Hyung-gun Chi , SeungHyeon Kim , Seungryong Kim , Jonghyun Choi , Sangpil Kim

The existing crowd counting models require extensive training data, which is time-consuming to annotate. To tackle this issue, we propose a simple yet effective crowd counting method by utilizing the Segment-Everything-Everywhere Model…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jia Wan , Qiangqiang Wu , Wei Lin , Antoni B. Chan

Indoor wireless ranging localization is a promising approach for low-power and high-accuracy localization of wearable devices. A primary challenge in this domain stems from non-line of sight propagation of radio waves. This study tackles a…

Robotics · Computer Science 2023-09-19 Fan Jiang , David Caruso , Ashutosh Dhekne , Qi Qu , Jakob Julian Engel , Jing Dong

As an essential part of structure from motion (SfM) and Simultaneous Localization and Mapping (SLAM) systems, motion averaging has been extensively studied in the past years and continues to attract surging research attention. While…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Xinyi Li , Lin Yuan , Longin Jan Latecki , Haibin Ling

Sparse sensor placement is a central challenge in the efficient characterization of complex systems when the cost of acquiring and processing data is high. Leading sparse sensing methods typically exploit either spatial or temporal…

Optimization and Control · Mathematics 2022-06-08 Thomas L. Mohren , Thomas L. Daniel , Steven L. Brunton , Bingni W. Brunton

Nowadays, sensor suits have been equipped with redundant LiDARs and IMUs to mitigate the risks associated with sensor failure. It is challenging for the previous discrete-time and IMU-driven kinematic systems to incorporate multiple…

Robotics · Computer Science 2024-02-15 Xin Zheng , Jianke Zhu

In this paper, we propose a novel dense surfel mapping system that scales well in different environments with only CPU computation. Using a sparse SLAM system to estimate camera poses, the proposed mapping system can fuse intensity images…

Robotics · Computer Science 2019-09-11 Kaixuan Wang , Fei Gao , Shaojie Shen
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