no code implementations • 2 May 2024 • Guillermo M. Besne, Nathan Evans, Mariella Panagiotopoulou, Billy Smith, Fahmida A Chowdhury, Beate Diehl, John S Duncan, Andrew W McEvoy, Anna Miserocchi, Jane de Tisi, Mathew Walker, Peter N. Taylor, Chris Thornton, Yujiang Wang
Anti-seizure medications (ASMs) are the primary treatment for epilepsy, yet medication tapering effects have not been investigated in a dose, region, and time-dependent manner, despite their potential impact on research and clinical practice.
no code implementations • 27 Apr 2024 • Heather Woodhouse, Gerard Hall, Callum Simpson, Csaba Kozma, Frances Turner, Gabrielle M. Schroeder, Beate Diehl, John S. Duncan, Jiajie Mo, Kai Zhang, Aswin Chari, Martin Tisdall, Friederike Moeller, Chris Petkov, Matthew A. Howard, George M. Ibrahim, Elizabeth Donner, Nebras M. Warsi, Raheel Ahmed, Peter N. Taylor, Yujiang Wang
Results: Recording site significantly impacted normative icEEG maps in all frequency bands, and age was a more influential predictor of band power than sex.
no code implementations • 16 Apr 2024 • Vytene Janiukstyte, Csaba Kozma, Thomas W. Owen, Umair J Chaudhury, Beate Diehl, Louis Lemieux, John S Duncan, Fergus Rugg-Gunn, Jane de Tisi, Yujiang Wang, Peter N. Taylor
Alpha slowing in TLE was found in both EEG and MEG recordings.
no code implementations • 24 Nov 2023 • Sarah J. Gascoigne, Nathan Evans, Gerard Hall, Csaba Kozma, Mariella Panagiotopoulou, Gabrielle M. Schroeder, Callum Simpson, Christopher Thornton, Frances Turner, Heather Woodhouse, Jess Blickwedel, Fahmida Chowdhury, Beate Diehl, John S. Duncan, Ryan Faulder, Rhys H. Thomas, Kevin Wilson, Peter N. Taylor, Yujiang Wang
Retrospective analysis of icEEG recordings from 63 subjects (735 seizures) identified seizure onset regions through visual inspection and algorithmic delineation.
no code implementations • 22 Nov 2023 • Karoline Leiberg, Timo Blattner, Bethany Little, Victor B. B. Mello, Fernanda H. P. de Moraes, Christian Rummel, Peter N. Taylor, Bruno Mota, Yujiang Wang
Motivation: Characterising the changes in cortical morphology across the lifespan is fundamental for a range of research and clinical applications.
no code implementations • 2 Nov 2023 • Bethany Little, Carly Flowers, Andrew Blamire, Peter Thelwall, John-Paul Taylor, Peter Gallagher, David Andrew Cousins, Yujiang Wang
Results: BD showed impairments on tests of PS, attention, and EF, and abnormal cortical thickness in several brain regions compared to healthy controls.
no code implementations • 18 Oct 2023 • Kirandeep Kaur, Jonathan J Horsley, Csaba Kozma, Gerard R Hall, Thomas W Owen, Yujiang Wang, Guarav Singh, Sarat P Chandra, Manjari Tripathi, Peter N Taylor
Here, we hypothesised greater aperiodic abnormality in the epileptogenic zone, in patients with focal to bilateral tonic clonic (FBTC) seizures, and earlier age of seizure onset.
no code implementations • 10 Oct 2023 • Csaba Kozma, Gabrielle Schroeder, Tom Owen, Jane de Tisi, Andrew W. McEvoy, Anna Miserocchi, John Duncan, Yujiang Wang, Peter N. Taylor
Combining periodic and aperiodic abnormalities improved performance, similar to the complete band power approach.
no code implementations • 13 Sep 2023 • Mariella Panagiotopoulou, Christopher Thornton, Fahmida A Chowdhury, Beate Diehl, John S Duncan, Sarah J Gascoigne, Andrew W McEvoy, Anna Miserocchi, Billy C Smith, Jane de Tisi, Peter N Taylor, Yujiang Wang
Chronobiological rhythms, such as the circadian rhythm, have long been linked to neurological disorders, but it is currently unknown how pathological processes affect the expression of biological rhythms in the brain.
1 code implementation • 5 May 2023 • Anshul Thakur, Tingting Zhu, Vinayak Abrol, Jacob Armstrong, Yujiang Wang, David A. Clifton
Experimental evaluation highlights that models trained on encoded time-series data effectively uphold the information bottleneck principle and hence, exhibit lesser information leakage from trained models.
no code implementations • 5 May 2023 • Yujiang Wang, Anshul Thakur, Mingzhi Dong, Pingchuan Ma, Stavros Petridis, Li Shang, Tingting Zhu, David A. Clifton
The prevalence of artificial intelligence (AI) has envisioned an era of healthcare democratisation that promises every stakeholder a new and better way of life.
no code implementations • 11 Apr 2023 • Thomas W. Owen, Vytene Janiukstyte, Gerard R. Hall, Jonathan J. Horsley, Andrew McEvoy, Anna Miserocchi, Jane de Tisi, John S. Duncan, Fergus Rugg-Gunn, Yujiang Wang, Peter N. Taylor
We quantified the spatial overlap between the abnormality cluster and subsequent resection, hypothesising a greater overlap in seizure-free patients.
no code implementations • 11 Apr 2023 • Thomas W. Owen, Vytene Janiukstyte, Gerard R. Hall, Fahmida A. Chowdhury, Beate Diehl, Andrew McEvoy, Anna Miserocchi, Jane de Tisi, John S. Duncan, Fergus Rugg-Gunn, Yujiang Wang, Peter N. Taylor
Finally, we assessed if the implantation of electrodes in abnormal tissue, and resection of the strongest abnormalities determined by MEG and iEEG explained surgical outcome.
no code implementations • 6 Apr 2023 • Jonathan J Horsley, Rhys H Thomas, Fahmida A Chowdhury, Beate Diehl, Andrew W McEvoy, Anna Miserocchi, Jane de Tisi, Sjoerd B Vos, Matthew C Walker, Gavin P Winston, John S Duncan, Yujiang Wang, Peter N Taylor
Here, we investigate whether structural connectivity abnormalities, inferred from dMRI, may be used in conjunction with functional iEEG abnormalities to aid localisation and resection of the epileptogenic zone (EZ), and improve surgical outcomes in epilepsy.
no code implementations • 6 Apr 2023 • Vytene Janiukstyte, Thomas W Owen, Umair J Chaudhary, Beate Diehl, Louis Lemieux, John S Duncan, Jane de Tisi, Yujiang Wang, Peter N Taylor
Scalp EEG relative band power normative maps are spatially stable across time, in keeping with MEG and intracranial EEG results.
no code implementations • 11 Feb 2023 • Yujiang Wang, Gabrielle M Schroeder, Jonathan J Horsley, Mariella Panagiotopoulou, Fahmida A Chowdhury, Beate Diehl, John S Duncan, Andrew W McEvoy, Anna Miserocchi, Jane de Tisi, Peter N Taylor
To assess the localising value of band power abnormality, we computed DRS - a measure of how different the surgically resected and spared tissue were in terms of band power abnormalities - over time.
1 code implementation • 13 Dec 2022 • Karoline Leiberg, Jane de Tisi, John S Duncan, Bethany Little, Peter N Taylor, Sjoerd B Vos, Gavin P Winston, Bruno Mota, Yujiang Wang
Here, we examine the effects of this surgery on cortical morphology measured in independent variables both near the resection and remotely.
1 code implementation • 16 Sep 2022 • Yujiang Wang, Karoline Leiberg, Nathan Kindred, Christopher R. Madan, Colline Poirier, Christopher I. Petkov, Peter N. Taylor, Bruno C. C. Mota
To demonstrate the importance of this new understanding, we show a scale-dependent effect of ageing on brain morphology.
1 code implementation • 3 Sep 2022 • Pingchuan Ma, Yujiang Wang, Stavros Petridis, Jie Shen, Maja Pantic
In this paper, we systematically investigate the performance of state-of-the-art data augmentation approaches, temporal models and other training strategies, like self-distillation and using word boundary indicators.
Ranked #1 on Lipreading on Lip Reading in the Wild (using extra training data)
no code implementations • 13 Jul 2022 • Thomas W. Owen, Gabrielle M. Schroeder, Vytene Janiukstyte, Gerard R. Hall, Andrew McEvoy, Anna Miserocchi, Jane de Tisi, John S. Duncan, Fergus Rugg-Gunn, Yujiang Wang, Peter N. Taylor
Resting-state MEG data were acquired for 70 healthy controls and 32 patients with refractory neocortical epilepsy.
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.
no code implementations • 17 Apr 2022 • Nishant Sinha, John S. Duncan, Beate Diehl, Fahmida A. Chowdhury, Jane de Tisi, Anna Miserocchi, Andrew W. McEvoy, Kathryn A. Davis, Sjoerd B. Vos, Gavin P. Winston, Yujiang Wang, Peter N. Taylor
We investigated pre-operative structure-function coupling at two spatial scales a) at the global iEEG network level and b) at the resolution of individual iEEG electrode contacts using virtual surgeries.
no code implementations • 24 Mar 2022 • Yujiang Wang, Mingzhi Dong, Jie Shen, Yiming Luo, Yiming Lin, Pingchuan Ma, Stavros Petridis, Maja Pantic
We also investigate face clustering in egocentric videos, a fast-emerging field that has not been studied yet in works related to face clustering.
Ranked #1 on Face Clustering on EasyCom
no code implementations • 5 Feb 2022 • Jonathan J. Horsley, Gabrielle M. Schroeder, Rhys H. Thomas, Jane de Tisi, Sjoerd B. Vos, Gavin P. Winston, John S. Duncan, Yujiang Wang, Peter N. Taylor
We computed grey matter volumetric changes and white matter structural connectivity abnormalities in 144 patients with unilateral TLE and 96 healthy controls.
no code implementations • 27 Jan 2022 • Gabrielle M. Schroeder, Philippa J. Karoly, Matias Maturana, Mariella Panagiotopoulou, Peter N. Taylor, Mark J. Cook, Yujiang Wang
We then compared SNS occurrence and duration to (1) time since implantation and (2) patient-specific circadian and multidien cycles in interictal spike rate.
1 code implementation • 24 Jan 2022 • Yingying Zhao, Yuhu Chang, Yutian Lu, Yujiang Wang, Mingzhi Dong, Qin Lv, Robert P. Dick, Fan Yang, Tun Lu, Ning Gu, Li Shang
Experimental studies with 20 participants demonstrate that, thanks to the emotionship awareness, EMOShip not only achieves superior emotion recognition accuracy over existing methods (80. 2% vs. 69. 4%), but also provides a valuable understanding of the cause of emotions.
no code implementations • 18 Oct 2021 • Rafael Poyiadzi, Jie Shen, Stavros Petridis, Yujiang Wang, Maja Pantic
We then study the effect of variety and number of age-groups used during training on generalisation to unseen age-groups and observe that an increase in the number of training age-groups tends to increase the apparent emotional facial expression recognition performance on unseen age-groups.
Facial Expression Recognition Facial Expression Recognition (FER)
no code implementations • ICLR 2022 • Yixuan Chen, Yubin Shi, Dongsheng Li, Yujiang Wang, Mingzhi Dong, Yingying Zhao, Robert Dick, Qin Lv, Fan Yang, Li Shang
The feature space of deep models is inherently compositional.
no code implementations • 14 Sep 2021 • Gabrielle M. Schroeder, Fahmida A. Chowdhury, Mark J. Cook, Beate Diehl, John S. Duncan, Philippa J. Karoly, Peter N. Taylor, Yujiang Wang
However, it is unclear whether seizures following the same pathway will have the same duration or if these features can vary independently.
1 code implementation • 21 Jun 2021 • Yiming Lin, Jie Shen, Yujiang Wang, Maja Pantic
To evaluate our method on in-the-wild data, we also introduce a new challenging large-scale benchmark called IMDB-Clean.
Ranked #1 on Age Estimation on KANFace
no code implementations • 10 May 2021 • Peter N Taylor, Christoforos A Papasavvas, Thomas W Owen, Gabrielle M Schroeder, Frances E Hutchings, Fahmida A Chowdhury, Beate Diehl, John S Duncan, Andrew W McEvoy, Anna Miserocchi, Jane de Tisi, Sjoerd B Vos, Matthew C Walker, Yujiang Wang
We then compared interictal recordings from 62 patients with epilepsy to the normative map to identify abnormal regions.
no code implementations • 6 May 2021 • Christoforos Papasavvas, Peter Neal Taylor, Yujiang Wang
Targeted electrical stimulation of the brain perturbs neural networks and modulates their rhythmic activity both at the site of stimulation and at remote brain regions.
no code implementations • 3 May 2021 • Yuhu Chang, Yingying Zhao, Mingzhi Dong, Yujiang Wang, Yutian Lu, Qin Lv, Robert P. Dick, Tun Lu, Ning Gu, Li Shang
MemX captures human visual attention on the fly, analyzes the salient visual content, and records moments of personal interest in the form of compact video snippets.
no code implementations • 9 Apr 2021 • Yingying Zhao, Mingzhi Dong, Yujiang Wang, Da Feng, Qin Lv, Robert P. Dick, Dongsheng Li, Tun Lu, Ning Gu, Li Shang
By monitoring the impact of varying resolution on the quality of high-dimensional video analytics features, hence the accuracy of video analytics results, the proposed end-to-end optimization framework learns the best non-myopic policy for dynamically controlling the resolution of input video streams to globally optimize energy efficiency.
1 code implementation • 25 Mar 2021 • Karoline Leiberg, Christoforos Papasavvas, Yujiang Wang
The universal scaling law of cortical morphology describes cortical folding as the covariance of average grey matter thickness, pial surface area, and exposed surface area.
2 code implementations • 4 Feb 2021 • Yiming Lin, Jie Shen, Yujiang Wang, Maja Pantic
Face parsing aims to predict pixel-wise labels for facial components of a target face in an image.
Ranked #1 on Face Parsing on iBugMask
no code implementations • 13 Dec 2020 • Mariella Panagiotopoulou, Christoforos A Papasavvas, Gabrielle M Schroeder, Rhys H Thomas, Peter N Taylor, Yujiang Wang
These results suggest that subject-specific fluctuations in iEEG band power over timescales of minutes to days may serve as markers of seizure modulating processes.
1 code implementation • NeurIPS 2020 • Mingzhi Dong, Xiaochen Yang, Rui Zhu, Yujiang Wang, Jing-Hao Xue
Metric learning aims to learn a distance measure that can benefit distance-based methods such as the nearest neighbour (NN) classifier.
1 code implementation • 29 Sep 2020 • Pingchuan Ma, Yujiang Wang, Jie Shen, Stavros Petridis, Maja Pantic
In this work, we present the Densely Connected Temporal Convolutional Network (DC-TCN) for lip-reading of isolated words.
1 code implementation • 5 Jun 2020 • Yujiang Wang, Mingzhi Dong, Jie Shen, Yiming Lin, Maja Pantic
Introducing LI mechanisms improves the convolutional filter's sensitivity to semantic object boundaries.
1 code implementation • 28 Nov 2019 • Jona Carmon, Jil Heege, Joe H Necus, Thomas W Owen, Gordon Pipa, Marcus Kaiser, Peter N Taylor, Yujiang Wang
In terms of comparability, our results show substantial differences in the structural covariance matrix between data sets of age- and sex-matched healthy human adults.
Neurons and Cognition Quantitative Methods
no code implementations • 11 Oct 2019 • Bingnan Luo, Jie Shen, Shiyang Cheng, Yujiang Wang, Maja Pantic
Specifically, we learn the shape prior from our dataset using VAE-GAN, and leverage the pre-trained encoder and discriminator to regularise the training of SegNet.
no code implementations • CVPR 2020 • Yujiang Wang, Mingzhi Dong, Jie Shen, Yang Wu, Shiyang Cheng, Maja Pantic
To the best of our knowledge, this is the first work to use reinforcement learning for online key-frame decision in dynamic video segmentation, and also the first work on its application on face videos.
no code implementations • 2 Apr 2019 • Stavros Petridis, Yujiang Wang, Pingchuan Ma, Zuwei Li, Maja Pantic
In this work, we present an end-to-end visual speech recognition system based on fully-connected layers and Long-Short Memory (LSTM) networks which is suitable for small-scale datasets.
no code implementations • 24 Jul 2018 • Yujiang Wang, Bingnan Luo, Jie Shen, Maja Pantic
Inspired by the recent development of deep network-based methods in semantic image segmentation, we introduce an end-to-end trainable model for face mask extraction in video sequence.
3 code implementations • 11 Jun 2018 • Lucas G. S. França, José G. V. Miranda, Marco Leite, Niraj K. Sharma, Matthew C. Walker, Louis Lemieux, Yujiang Wang
Using intracranially recorded EEG and simulated data, we compared monofractal and multifractal methods with regards to their sensitivity to signal variance.
Neurons and Cognition Statistical Mechanics Information Theory Information Theory Adaptation and Self-Organizing Systems Chaotic Dynamics
1 code implementation • 10 Apr 2018 • Yujiang Wang, Jie Shen, Stavros Petridis, Maja Pantic
In this paper, we present an effective and unsupervised face Re-ID system which simultaneously re-identifies multiple faces for HRI.
no code implementations • 9 Feb 2018 • Mingzhi Dong, Yujiang Wang, Xiaochen Yang, Jing-Hao Xue
The performance of distance-based classifiers heavily depends on the underlying distance metric, so it is valuable to learn a suitable metric from the data.
no code implementations • 12 Sep 2017 • Stavros Petridis, Yujiang Wang, Zuwei Li, Maja Pantic
To the best of our knowledge, this is the first audiovisual fusion model which simultaneously learns to extract features directly from the pixels and spectrograms and perform classification of speech and nonlinguistic vocalisations.
no code implementations • 1 Sep 2017 • Stavros Petridis, Yujiang Wang, Zuwei Li, Maja Pantic
To the best of our knowledge, this is the first model which simultaneously learns to extract features directly from the pixels and performs visual speech classification from multiple views and also achieves state-of-the-art performance.