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Detecting relevant changes in dynamic time series data in a timely manner is crucially important for many data analysis tasks in real-world settings. Change point detection methods have the ability to discover changes in an unsupervised…

Artificial Intelligence · Computer Science 2022-01-19 Kamil Faber , Roberto Corizzo , Bartlomiej Sniezynski , Michael Baron , Nathalie Japkowicz

Siamese-based trackers have achived promising performance on visual object tracking tasks. Most existing Siamese-based trackers contain two separate branches for tracking, including classification branch and bounding box regression branch.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Fei Chen , Fuhan Zhang , Xiaodong Wang

As drones become increasingly prevalent in human life, they also raises security concerns such as unauthorized access and control, as well as collisions and interference with manned aircraft. Therefore, ensuring the ability to accurately…

Signal Processing · Electrical Eng. & Systems 2023-08-29 Zixiao Zhao , Qinghe Du , Xiang Yao , Lei Lu , Shijiao Zhang

This article is motivated by the objective of providing a new analytically tractable and fully frequentist framework to characterize and implement regression trees while also allowing a multivariate (potentially high dimensional) response.…

Methodology · Statistics 2021-05-24 Abhishek Kaul

We propose a domain adaptation approach for object detection. We introduce a two-step method: the first step makes the detector robust to low-level differences and the second step adapts the classifiers to changes in the high-level…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Adrian Lopez Rodriguez , Krystian Mikolajczyk

This paper considers the identification of large-scale 1D networks consisting of identical LTI dynamical systems. A new subspace identification method is developed that only uses local input-output information and does not rely on knowledge…

Systems and Control · Computer Science 2017-02-14 Chengpu Yu , Michel Verhaegen , Anders Hansson

We consider online change detection of high dimensional data streams with sparse changes, where only a subset of data streams can be observed at each sensing time point due to limited sensing capacities. On the one hand, the detection…

Machine Learning · Statistics 2020-09-23 Jie Guo , Hao Yan , Chen Zhang , Steven Hoi

Dynamic obstacle avoidance is one crucial component for compliant navigation in crowded environments. In this paper we present a system for accurate and reliable detection and tracking of dynamic objects using noisy point cloud data…

Robotics · Computer Science 2020-07-22 Thomas Eppenberger , Gianluca Cesari , Marcin Dymczyk , Roland Siegwart , Renaud Dubé

In this article we construct a maximal set of kernels for a multi-parameter linear scale-space that allow us to construct trees for classification and recognition of one-dimensional continuous signals similar the Gaussian linear scale-space…

Statistics Theory · Mathematics 2023-05-24 Leon A. Luxemburg , Steven B. Damelin

We propose 4D modulation with directed detection employing a novel Stokes-Vector Kramers-Kronig transceiver. It shows that employing Stokes vector receiver, transmitted digital carrier and Kramers-Kronig detection offers an effective way to…

Signal Processing · Electrical Eng. & Systems 2018-02-14 Thang Hoang , Mohammed Sowailem , Qunbi Zhuge , Zhenping Xing , Mohamed Morsy-Osman , Eslam El-Fiky , Sujie Fan , Meng Xiang , David V. Plant

An extended interference pattern close to surface may result in both a transmissive or evanescent surface fields for large area manipulation of trapped particles. The affinity of differing particle sizes to a moving standing wave light…

It is well known that string theory generates the idea of higher dimensional spacetime instead of the (3+1) dimensions, in which we seem to live. It indicates that the extra space dimensions may remain curled up into very small space. In…

Quantum Physics · Physics 2014-11-25 Ram Narayan Deb

Automated experiments in 4D Scanning Transmission Electron Microscopy are implemented for rapid discovery of local structures, symmetry-breaking distortions, and internal electric and magnetic fields in complex materials. Deep kernel…

Materials Science · Physics 2022-04-22 Kevin M. Roccapriore , Ondrej Dyck , Mark P. Oxley , Maxim Ziatdinov , Sergei V. Kalinin

In this paper, we present a novel local and parallel two-grid finite element scheme for solving the Stokes equations, and rigorously establish its a priori error estimates. The scheme admits simultaneously small scales of subproblems and…

Numerical Analysis · Mathematics 2020-12-09 Yanren Hou , Feng Shi , Haibiao Zheng

We report the development of a fast position-sensitive laser beam detector with a bandwidth that exceeds currently available detectors. The detector uses a fiber-optic bundle that spatially splits the incident beam, followed by a fast…

Instrumentation and Detectors · Physics 2009-09-29 Isaac Chavez , Rongxin Huang , Kevin Henderson , Ernst-Ludwig Florin , Mark G. Raizen

Accurate and reliable 3D object detection is vital to safe autonomous driving. Despite recent developments, the performance gap between stereo-based methods and LiDAR-based methods is still considerable. Accurate depth estimation is crucial…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Chengyao Li , Jason Ku , Steven L. Waslander

Lane marker extraction is a basic yet necessary task for autonomous driving. Although past years have witnessed major advances in lane marker extraction with deep learning models, they all aim at ordinary RGB images generated by frame-based…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Wensheng Cheng , Hao Luo , Wen Yang , Lei Yu , Wei Li

Existing anchor-based and anchor-free object detectors in multi-stage or one-stage pipelines have achieved very promising detection performance. However, they still encounter the design difficulty in hand-crafted 2D anchor definition and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Geng Zhan , Dan Xu , Guo Lu , Wei Wu , Chunhua Shen , Wanli Ouyang

Objective detection of specific patterns in statistical distributions, like groupings or gaps or abrupt transitions between different subsets, is a task with a rich range of applications in astronomy: Milky Way stellar population analysis,…

Instrumentation and Methods for Astrophysics · Physics 2018-05-09 Roman V. Baluev

Following recent breakthroughs in convolutional neural networks and monolithic model architectures, state-of-the-art object detection models can reliably and accurately scale into the realm of up to thousands of classes. Things quickly…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Aayush Garg , Thilo Will , William Darling , Willi Richert , Clemens Marschner
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