no code implementations • 22 Oct 2023 • Cheng Ding, Ran Xiao, Weijia Wang, Elizabeth Holdsworth, Xiao Hu
This paper offers a comprehensive review of the latest advancements in PPG-based AF detection, utilizing digital health and artificial intelligence (AI) solutions, within the timeframe spanning from July 2019 to December 2022.
1 code implementation • 28 Jul 2023 • Mahdi Morafah, Weijia Wang, Bill Lin
Many of the works use inconsistent experimental settings and there are no comprehensive studies on the effect of FL-specific experimental variables on the results and practical insights for a more comparable and consistent FL experimental setup.
no code implementations • 8 Jun 2023 • Kun Wang, Tao Meng, Jiakun Lei, Weijia Wang
In order to address this issue, we propose a control strategy based on control barrier functions, summarized as "safety check on kinematics" and "velocity tracking on dynamics" approach.
no code implementations • 31 May 2023 • Jiakun Lei, Tao Meng, Yang Zhu, Kun Wang, Weijia Wang
To tackle this problem, we propose a modified framework called Compatible Performance Control (CPC), which integrates the Prescribed Performance Control (PPC) scheme with a contradiction detection and alleviation strategy.
no code implementations • 31 May 2023 • Jiakun Lei, Tao Meng, Kun Wang, Weijia Wang, Shujian Sun
Further, the basic intermittent attitude controller is extended to a "constrained version" by introducing a strictly bounded virtual control law and an input saturation compensation auxiliary system.
no code implementations • 6 May 2023 • Weijia Wang, Xuequan Lu, Di Shao, Xiao Liu, Richard Dazeley, Antonio Robles-Kelly, Wei Pan
Existing normal estimation methods for point clouds are often less robust to severe noise and complex geometric structures.
no code implementations • ICCV 2023 • Saeed Vahidian, Sreevatsank Kadaveru, Woonjoon Baek, Weijia Wang, Vyacheslav Kungurtsev, Chen Chen, Mubarak Shah, Bill Lin
Specifically, we aim to investigate how ordered learning principles can contribute to alleviating the heterogeneity effects in FL.
no code implementations • 10 Nov 2022 • Jiakun Lei, Tao Meng, Kun Wang, Weijia Wang, Zhonghe Jin
The prescribed performance control (PPC) scheme is often employed for the control with guaranteed performance.
1 code implementation • 14 Oct 2022 • Jicang Cai, Saeed Vahidian, Weijia Wang, Mohsen Joneidi, Bill Lin
Inspired by the widely recognized finding in neuroscience that distinct parts of the brain are highly specialized for different types of tasks, we aim to improve the model performance of the current meta learning algorithms by selectively using only parts of the model conditioned on the input tasks.
1 code implementation • 21 Sep 2022 • Saeed Vahidian, Mahdi Morafah, Weijia Wang, Vyacheslav Kungurtsev, Chen Chen, Mubarak Shah, Bill Lin
This small set of principal vectors is provided to the server so that the server can directly identify distribution similarities among the clients to form clusters.
no code implementations • 13 Sep 2022 • Jiakun Lei, Tao Meng, Weijia Wang, Chengjin Yin, Zhonghe Jin
Based on the proposed structure, a backstepping controller is developed accordingly using a double-layer PPC framework.
no code implementations • 13 Sep 2022 • Jiakun Lei, Tao Meng, Weijia Wang, Shujian Sun, Heng Li, Zhonghe Jin
To resolve this problem, a switching controller structure is proposed in this paper based on the reduced-attitude representation, fusing the artificial potential field (APF) methodology and the Prescribed Performance Control (PPC) scheme together.
1 code implementation • 20 Aug 2022 • Mahdi Morafah, Saeed Vahidian, Weijia Wang, Bill Lin
Classical federated learning approaches yield significant performance degradation in the presence of Non-IID data distributions of participants.
no code implementations • 20 Oct 2021 • Weijia Wang, Xuequan Lu, Dasith de Silva Edirimuni, Xiao Liu, Antonio Robles-Kelly
It consists of two phases: (a) feature encoding which learns representations of local patches, and (b) normal estimation that takes the learned representation as input and regresses the normal vector.
1 code implementation • 4 Mar 2021 • Litao Qiao, Weijia Wang, Bill Lin
Each neuron in the first layer directly maps to an interpretable if-then rule after training, and the output neuron in the second layer directly maps to a disjunction of the first-layer rules to form the decision rule set.
no code implementations • ICLR 2021 • Siavash Khodadadeh, Sharare Zehtabian, Saeed Vahidian, Weijia Wang, Bill Lin, Ladislau Bölöni
Unsupervised meta-learning approaches rely on synthetic meta-tasks that are created using techniques such as random selection, clustering and/or augmentation.
no code implementations • 27 Jan 2020 • Weijia Wang
For an infinite Coxeter system, one can extend the weak right order to the set of infinite reduced words.
Group Theory Representation Theory