no code implementations • 8 Apr 2024 • Nina Moutonnet, Steven White, Benjamin P Campbell, Danilo Mandic, Gregory Scott
Machine learning algorithms for seizure detection have shown great diagnostic potential, with recent reported accuracies reaching 100%.
no code implementations • 18 Mar 2024 • Thanos Konstantinidis, Giorgos Iacovides, Mingxue Xu, Tony G. Constantinides, Danilo Mandic
This is achieved by fine-tuning the Llama2 7B model on a small portion of supervised financial sentiment analysis data, so as to jointly handle the complexities of financial lexicon and context, and further equipping it with a neural network based decision mechanism.
no code implementations • 15 Mar 2024 • Wuyang Zhou, Yu-Bang Zheng, Qibin Zhao, Danilo Mandic
A novel tensor decomposition framework, termed Tensor Star (TS) decomposition, is proposed which represents a new type of tensor network decomposition based on tensor contractions.
no code implementations • 30 Jan 2024 • Mike Thornton, Jonas Auernheimer, Constantin Jehn, Danilo Mandic, Tobias Reichenbach
The 2024 ICASSP Auditory EEG Signal Processing Grand Challenge concerns the decoding of electroencephalography (EEG) measurements taken from participants who listened to speech material.
no code implementations • 10 Jan 2024 • Mike Thornton, Danilo Mandic, Tobias Reichenbach
We show that typical neural responses to the speech envelope, as well as its onsets, can be recovered from such a device, and that the morphology of the recorded responses is indeed modulated by selective attention to speech.
1 code implementation • 15 Dec 2023 • Mike Thornton, Danilo Mandic, Tobias Reichenbach
The electroencephalogram (EEG) offers a non-invasive means by which a listener's auditory system may be monitored during continuous speech perception.
no code implementations • 24 Oct 2023 • Alexander Jenkins, Zehua Chen, Fu Siong Ng, Danilo Mandic
In this work, to improve the imputation and forecasting accuracy for ECG with probabilistic models, we present a template-guided denoising diffusion probabilistic model (DDPM), PulseDiff, which is conditioned on an informative prior for a range of health conditions.
no code implementations • 7 Sep 2023 • Sayed Pouria Talebi, Danilo Mandic
Multiagent systems aim to accomplish highly complex learning tasks through decentralised consensus seeking dynamics and their use has garnered a great deal of attention in the signal processing and computational intelligence societies.
no code implementations • 30 May 2023 • Andrea Cini, Danilo Mandic, Cesare Alippi
Existing relationships among time series can be exploited as inductive biases in learning effective forecasting models.
no code implementations • 11 Mar 2023 • Mike Thornton, Danilo Mandic, Tobias Reichenbach
During speech perception, a listener's electroencephalogram (EEG) reflects acoustic-level processing as well as higher-level cognitive factors such as speech comprehension and attention.
3 code implementations • 29 Jan 2023 • Haohe Liu, Zehua Chen, Yi Yuan, Xinhao Mei, Xubo Liu, Danilo Mandic, Wenwu Wang, Mark D. Plumbley
By learning the latent representations of audio signals and their compositions without modeling the cross-modal relationship, AudioLDM is advantageous in both generation quality and computational efficiency.
Ranked #9 on Audio Generation on AudioCaps
no code implementations • 17 Jan 2023 • Rohan Tangri, Peter Yatsyshin, Elisabeth A. Duijnstee, Danilo Mandic
To this end, we provide a framework to generalize impermanent loss for multiple asset pools obeying any constant function market maker with optional concentrated liquidity.
no code implementations • 12 Jan 2023 • Alexander Jenkins, Imad Jaimoukha, Ljubisa Stankovic, Danilo Mandic
Forming the right combination of students in a group promises to enable a powerful and effective environment for learning and collaboration.
1 code implementation • 30 Dec 2022 • Zehua Chen, Yihan Wu, Yichong Leng, Jiawei Chen, Haohe Liu, Xu Tan, Yang Cui, Ke Wang, Lei He, Sheng Zhao, Jiang Bian, Danilo Mandic
Denoising Diffusion Probabilistic Models (DDPMs) are emerging in text-to-speech (TTS) synthesis because of their strong capability of generating high-fidelity samples.
no code implementations • 9 Nov 2022 • Yuyang Miao, Yao Xu, Danilo Mandic
Graph-based deep learning algorithms could utilise the graph structure but raise a few challenges, such as how to determine the weights of the edges and the shallow receptive field caused by the over-smoothing issue.
no code implementations • 16 Oct 2022 • Shengxi Li, Xinyi Zhao, Ljubisa Stankovic, Danilo Mandic
The success of convolution neural networks (CNN) has been revolutionising the way we approach and use intelligent machines in the Big Data era.
no code implementations • 18 Jul 2022 • Chuang Liu, Xueqi Ma, Yibing Zhan, Liang Ding, Dapeng Tao, Bo Du, Wenbin Hu, Danilo Mandic
However, the LTH-based methods suffer from two major drawbacks: 1) they require exhaustive and iterative training of dense models, resulting in an extremely large training computation cost, and 2) they only trim graph structures and model parameters but ignore the node feature dimension, where significant redundancy exists.
1 code implementation • 30 May 2022 • Yichong Leng, Zehua Chen, Junliang Guo, Haohe Liu, Jiawei Chen, Xu Tan, Danilo Mandic, Lei He, Xiang-Yang Li, Tao Qin, Sheng Zhao, Tie-Yan Liu
Combining this novel perspective of two-stage synthesis with advanced generative models (i. e., the diffusion models), the proposed BinauralGrad is able to generate accurate and high-fidelity binaural audio samples.
no code implementations • 30 May 2022 • Dongpo Xu, Jinlan Liu, Yinghua Lu, Jun Kong, Danilo Mandic
The stochastic momentum method is a commonly used acceleration technique for solving large-scale stochastic optimization problems in artificial neural networks.
no code implementations • 8 Feb 2022 • Zehua Chen, Xu Tan, Ke Wang, Shifeng Pan, Danilo Mandic, Lei He, Sheng Zhao
In this paper, we propose InferGrad, a diffusion model for vocoder that incorporates inference process into training, to reduce the inference iterations while maintaining high generation quality.
no code implementations • 5 Oct 2021 • Alejandro Cuevas, Sebastián López, Danilo Mandic, Felipe Tobar
Autoregressive (AR) time series models are widely used in parametric spectral estimation (SE), where the power spectral density (PSD) of the time series is approximated by that of the \emph{best-fit} AR model, which is available in closed form.
no code implementations • 4 Oct 2021 • Mahmoud Mahfouz, Tucker Balch, Manuela Veloso, Danilo Mandic
Continuous double auctions such as the limit order book employed by exchanges are widely used in practice to match buyers and sellers of a variety of financial instruments.
no code implementations • 26 Aug 2021 • Ljubisa Stankovic, Danilo Mandic
To help demystify CNNs, we revisit their operation from first principles and a matched filtering perspective.
no code implementations • 23 Aug 2021 • Ljubisa Stankovic, Danilo Mandic
Graph Convolutional Neural Networks (GCNN) are becoming a preferred model for data processing on irregular domains, yet their analysis and principles of operation are rarely examined due to the black box nature of NNs.
no code implementations • 14 Mar 2021 • Shengxi Li, Danilo Mandic
A large class of modern probabilistic learning systems assumes symmetric distributions, however, real-world data tend to obey skewed distributions and are thus not always adequately modelled through symmetric distributions.
no code implementations • 11 Mar 2021 • Ljubisa Stankovic, Milos Brajovic, Danilo Mandic, Isidora Stankovic, Milos Dakovic
Within the Compressive Sensing (CS) paradigm, sparse signals can be reconstructed based on a reduced set of measurements.
no code implementations • 11 Dec 2020 • Yassin Khalifa, Danilo Mandic, Ervin Sejdić
How to develop a model that can describe the transition between processes in time?
1 code implementation • NeurIPS 2020 • Shengxi Li, Zeyang Yu, Min Xiang, Danilo Mandic
For rigour, we first establish the physical meaning of the phase and amplitude in CF, and show that this provides a feasible way of balancing the accuracy and diversity of generation.
no code implementations • 10 Mar 2020 • Thiernithi Variddhisai, Danilo Mandic
The concept of a random process has been recently extended to graph signals, whereby random graph processes are a class of multivariate stochastic processes whose coefficients are matrices with a \textit{graph-topological} structure.
no code implementations • 2 Jan 2020 • Ljubisa Stankovic, Danilo Mandic, Milos Dakovic, Milos Brajovic, Bruno Scalzo, Shengxi Li, Anthony G. Constantinides
Many modern data analytics applications on graphs operate on domains where graph topology is not known a priori, and hence its determination becomes part of the problem definition, rather than serving as prior knowledge which aids the problem solution.
no code implementations • 28 Nov 2019 • Mahmoud Mahfouz, Angelos Filos, Cyrine Chtourou, Joshua Lockhart, Samuel Assefa, Manuela Veloso, Danilo Mandic, Tucker Balch
The dynamics of financial markets are driven by the interactions between participants, as well as the trading mechanisms and regulatory frameworks that govern these interactions.
1 code implementation • 9 Jun 2019 • Shengxi Li, Zeyang Yu, Min Xiang, Danilo Mandic
To relieve this issue, we introduce an efficient optimisation method on a statistical manifold defined under an approximate Wasserstein distance, which allows for explicit metrics and computable operations, thus significantly stabilising and improving the EMM estimation.
no code implementations • 5 Mar 2019 • Zeyang Yu, Shengxi Li, Danilo Mandic
To resolve this issue, we design a new cost function, which is capable of controlling the balance between the phase and the amplitude contribution to the solution.
no code implementations • 7 Sep 2018 • Longhao Yuan, Chao Li, Danilo Mandic, Jianting Cao, Qibin Zhao
In this paper, by exploiting the low-rank structure of the TR latent space, we propose a novel tensor completion method which is robust to model selection.
no code implementations • 22 May 2018 • Longhao Yuan, Chao Li, Danilo Mandic, Jianting Cao, Qibin Zhao
In low-rank tensor completion tasks, due to the underlying multiple large-scale singular value decomposition (SVD) operations and rank selection problem of the traditional methods, they suffer from high computational cost and high sensitivity of model complexity.
no code implementations • 21 May 2018 • Shengxi Li, Zeyang Yu, Danilo Mandic
Mixture modelling using elliptical distributions promises enhanced robustness, flexibility and stability over the widely employed Gaussian mixture model (GMM).
no code implementations • 13 Nov 2017 • Anh-Huy Phan, Masao Yamagishi, Danilo Mandic, Andrzej Cichocki
A novel algorithm to solve the quadratic programming problem over ellipsoids is proposed.
Optimization and Control
no code implementations • 7 Mar 2017 • Thiernithi Variddhisai, Danilo Mandic
A method for online tensor dictionary learning is proposed.
no code implementations • 17 Dec 2012 • Guoxu Zhou, Andrzej Cichocki, Yu Zhang, Danilo Mandic
Very often data we encounter in practice is a collection of matrices rather than a single matrix.