no code implementations • 28 Mar 2017 • Yu Guan, Thomas Ploetz
We demonstrate, both formally and empirically, that Ensembles of deep LSTM learners outperform the individual LSTM networks.
no code implementations • CVPR 2018 • Yi Zhu, Yang Long, Yu Guan, Shawn Newsam, Ling Shao
Unseen Action Recognition (UAR) aims to recognise novel action categories without training examples.
Ranked #14 on Action Recognition on ActivityNet
1 code implementation • 26 Nov 2018 • BingZhang Hu, Yu Guan, Yan Gao, Yang Long, Nicholas Lane, Thomas Ploetz
Gait as a biometric trait has attracted much attention in many security and privacy applications such as identity recognition and authentication, during the last few decades.
no code implementations • 21 Feb 2019 • Yan Gao, Yang Long, Yu Guan, Anna Basu, Jessica Baggaley, Thomas Ploetz
We demonstrate the effectiveness of our approach in a study with 34 newborns (21 typically developing infants and 13 PS infants with abnormal movements).
1 code implementation • 20 Jul 2019 • Junyan Wang, Bingzhang Hu, Yang Long, Yu Guan
Predicting future frames in natural video sequences is a new challenge that is receiving increasing attention in the computer vision community.
no code implementations • 7 Aug 2019 • Yuan Zhou, Bingzhang Hu, and Jun He, Yu Guan, Ling Shao
Age synthesis methods typically take a single image as input and use a specific number to control the age of the generated image.
no code implementations • 11 Oct 2019 • Bin Qian, Jie Su, Zhenyu Wen, Devki Nandan Jha, Yinhao Li, Yu Guan, Deepak Puthal, Philip James, Renyu Yang, Albert Y. Zomaya, Omer Rana, Lizhe Wang, Maciej Koutny, Rajiv Ranjan
Machine Learning (ML) and Internet of Things (IoT) are complementary advances: ML techniques unlock complete potentials of IoT with intelligence, and IoT applications increasingly feed data collected by sensors into ML models, thereby employing results to improve their business processes and services.
1 code implementation • 13 Mar 2020 • Yulong Gu, Yu Guan, Paolo Missier
Instantiated rules contain constants extracted from KGs.
1 code implementation • 29 Jun 2020 • Yulong Gu, Yu Guan, Paolo Missier
Many systems have been developed in recent years to mine logical rules from large-scale Knowledge Graphs (KGs), on the grounds that representing regularities as rules enables both the interpretable inference of new facts, and the explanation of known facts.
1 code implementation • 6 Aug 2020 • Yang Bai, Yu Guan, Wan-Fai Ng
For deep learning solution, we used state-of-the-art self-attention model, based on which we further proposed a consistency self-attention (CSA) mechanism for fatigue assessment.
no code implementations • 9 Aug 2020 • Haoran Duan, Shidong Wang, Yu Guan
To obtain the appropriate crowd representation, in this work we proposed SOFA-Net(Second-Order and First-order Attention Network): second-order statistics were extracted to retain selectivity of the channel-wise spatial information for dense heads while first-order statistics, which can enhance the feature discrimination for the heads' areas, were used as complementary information.
no code implementations • 19 Aug 2020 • Junyan Wang, Yang Bai, Yang Long, Bingzhang Hu, Zhenhua Chai, Yu Guan, Xiaolin Wei
Video summarization aims to select representative frames to retain high-level information, which is usually solved by predicting the segment-wise importance score via a softmax function.
1 code implementation • 28 Aug 2020 • Yu Guan, Shuyu Dong, Bin Gao, P. -A. Absil, François Glineur
The usage of graph regularization entails benefits in the learning accuracy of LRTC, but at the same time, induces coupling graph Laplacian terms that hinder the optimization of the tensor completion model.
no code implementations • 17 Sep 2020 • Xi Chen, Yu Guan, Jian Qing Shi, Xiu-Li Du, Janet Eyre
Stroke is known as a major global health problem, and for stroke survivors it is key to monitor the recovery levels.
5 code implementations • 27 Sep 2020 • Zhuonan He, Yikun Zhang, Yu Guan, Shanzhou Niu, Yi Zhang, Yang Chen, Qiegen Liu
Dose reduction in computed tomography (CT) is essential for decreasing radiation risk in clinical applications.
no code implementations • 11 Nov 2020 • Shidong Wang, Yi Ren, Gerard Parr, Yu Guan, Ling Shao
In this article, we propose a novel invariant deep compressible covariance pooling (IDCCP) to solve nuisance variations in aerial scene categorization.
1 code implementation • 26 Jan 2021 • Shuyu Dong, Bin Gao, Yu Guan, François Glineur
We propose new Riemannian preconditioned algorithms for low-rank tensor completion via the polyadic decomposition of a tensor.
1 code implementation • 8 Aug 2021 • Yang Bai, Junyan Wang, Yang Long, Bingzhang Hu, Yang song, Maurice Pagnucco, Yu Guan
Video captioning aims to automatically generate natural language sentences that can describe the visual contents of a given video.
1 code implementation • 10 Aug 2021 • Tailin Chen, Desen Zhou, Jian Wang, Shidong Wang, Yu Guan, Xuming He, Errui Ding
The task of skeleton-based action recognition remains a core challenge in human-centred scene understanding due to the multiple granularities and large variation in human motion.
no code implementations • 31 Aug 2021 • Haoran Duan, Fan Wan, Rui Sun, Zeyu Wang, Varun Ojha, Yu Guan, Hubert P. H. Shum, Bingzhang Hu, Yang Long
Our method achieved competitive performance in semi-supervised learning approaches on these crowd counting datasets.
1 code implementation • 7 Sep 2021 • Yu Guan, Zongjiang Tu, Shanshan Wang, Qiegen Liu, Yuhao Wang, Dong Liang
In contrast to other generative models for reconstruction, the proposed method utilizes deep energy-based information as the image prior in reconstruction to improve the quality of image.
no code implementations • 1 Nov 2021 • Tailin Chen, Shidong Wang, Desen Zhou, Yu Guan
We devise our model into a pure factorised architecture which can alternately perform spatial feature aggregation and temporal feature aggregation.
1 code implementation • 19 Nov 2021 • Bing Zhai, Yu Guan, Michael Catt, Thomas Ploetz
Experimental results demonstrate important evidence that three-stage sleep can be reliably classified by fusing cardiac/movement sensing modalities, which may potentially become a practical tool to conduct large-scale sleep stage assessment studies or long-term self-tracking on sleep.
1 code implementation • 15 Feb 2022 • Jie Su, Zhenyu Wen, Tao Lin, Yu Guan
To address this issue, in this work, we proposed a Behaviour Pattern Disentanglement (BPD) framework, which can disentangle the behavior patterns from the irrelevant noises such as personal styles or environmental noises, etc.
1 code implementation • 21 Mar 2022 • Zongjiang Tu, Chen Jiang, Yu Guan, Shanshan Wang, Jijun Liu, Qiegen Liu, Dong Liang
Decreasing magnetic resonance (MR) image acquisition times can potentially make MR examinations more accessible.
1 code implementation • 30 Jun 2022 • Sarah J. Gascoigne, Leonard Waldmann, Mariella Panagiotopoulou, Fahmida Chowdhury, Alison Cronie, Beate Diehl, John S. Duncan, Jennifer Falconer, Yu Guan, Veronica Leach, Shona Livingstone, Christoforos Papasavvas, Ryan Faulder, Jess Blickwedel, Gabrielle M. Schroeder, Rhys H. Thomas, Kevin Wilson, Peter N. Taylor, Yujiang Wang
In individual patients, 71% had a moderate to large difference (ranksum r > 0. 3) between focal and subclinical seizures in three or more markers.
1 code implementation • 19 Jul 2022 • Mike Diessner, Joseph O'Connor, Andrew Wynn, Sylvain Laizet, Yu Guan, Kevin Wilson, Richard D. Whalley
To illustrate how these findings can be used to inform a Bayesian optimization setup tailored to a specific problem, two simulations in the area of computational fluid dynamics are optimized, giving evidence that suitable solutions can be found in a small number of evaluations of the objective function for complex, real problems.
1 code implementation • 19 Jul 2022 • Yang Bai, Desen Zhou, Songyang Zhang, Jian Wang, Errui Ding, Yu Guan, Yang Long, Jingdong Wang
Action Quality Assessment(AQA) is important for action understanding and resolving the task poses unique challenges due to subtle visual differences.
no code implementations • 19 Aug 2022 • Tailin Chen, Desen Zhou, Jian Wang, Shidong Wang, Qian He, Chuanyang Hu, Errui Ding, Yu Guan, Xuming He
In this paper, we study the problem of one-shot skeleton-based action recognition, which poses unique challenges in learning transferable representation from base classes to novel classes, particularly for fine-grained actions.
no code implementations • 15 Dec 2022 • Chuanming Yu, Yu Guan, Ziwen Ke, Dong Liang, Qiegen Liu
Therefore, by taking advantage of the uni-fied framework, we proposed a k-space and image Du-al-Domain collaborative Universal Generative Model (DD-UGM) which combines the score-based prior with low-rank regularization penalty to reconstruct highly under-sampled measurements.
no code implementations • 23 Dec 2022 • Shuai Shao, Yu Guan, Xin Guan, Paolo Missier, Thomas Ploetz
What remains a major challenge though is the sporadic activity recognition (SAR) problem, where activities of interest tend to be non periodic, and occur less frequently when compared with the often large amount of irrelevant background activities.
1 code implementation • 22 May 2023 • Shuai Shao, Yu Guan, Bing Zhai, Paolo Missier, Thomas Ploetz
Specifically, with the introduction of three conceptual layers--Sampling Layer, Data Augmentation Layer, and Resilient Layer -- we develop three "boosters" -- R-Frame, Mix-up, and C-Drop -- to enrich the per-epoch training data by dense-sampling, synthesizing, and simulating, respectively.
1 code implementation • 2 Sep 2023 • Yu Guan, Chuanming Yu, Shiyu Lu, Zhuoxu Cui, Dong Liang, Qiegen Liu
In this study, leveraging a combination of the properties of k-space data and the diffusion process, our novel scheme focuses on mining the multi-frequency prior with different strategies to pre-serve fine texture details in the reconstructed image.
1 code implementation • 3 Oct 2023 • Yu Guan, Bohui Shen, Xinchong Shi, Xiangsong Zhang, Bingxuan Li, Qiegen Liu
Perceptual analysis and quantitative evaluations illustrate that the invertible network for PET AC outperforms other existing AC models, which demonstrates the potential of the proposed method and the feasibility of achieving brain PET AC without CT.