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Quantum amplitude estimation is a key subroutine in a number of powerful quantum algorithms, including quantum-enhanced Monte Carlo simulation and quantum machine learning. Maximum-likelihood quantum amplitude estimation (MLQAE) is one of a…

Quantum Physics · Physics 2023-05-18 Adam Callison , Dan E. Browne

This paper presents an innovative and generic deep learning approach to monitor heart conditions from ECG signals.We focus our attention on both the detection and classification of abnormal heartbeats, known as arrhythmia. We strongly…

Machine Learning · Computer Science 2019-06-14 Meryll Dindin , Yuhei Umeda , Frederic Chazal

In human interactions, emotion recognition is crucial. For this reason, the topic of computer-vision approaches for automatic emotion recognition is currently being extensively researched. Processing multi-channel electroencephalogram (EEG)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Joshua Bègue , Mohamed Aymen Labiod , Abdelhamid Melloulk

The $k$-defective clique model relaxes the strict completeness constraint of the traditional clique by allowing up to $k$ missing edges, providing a robust formulation for detecting cohesive structures in noisy graphs. Consequently, the…

Databases · Computer Science 2026-05-19 Kewu Yang , Kaiqiang Yu , Shengxin Liu , Zhaoquan Gu

Machine learning models can solve complex tasks but often require significant computational resources during inference. This has led to the development of various post-training computation reduction methods that tackle this issue in…

Machine Learning · Computer Science 2024-06-21 Florence Regol , Joud Chataoui , Bertrand Charpentier , Mark Coates , Pablo Piantanida , Stephan Gunnemann

With the rapid increase in volume of time series medical data available through wearable devices, there is a need to employ automated algorithms to label data. Examples of labels include interventions, changes in activity (e.g. sleep) and…

Machine Learning · Computer Science 2015-06-16 Tingting Zhu , Nic Dunkley , Joachim Behar , David A. Clifton , Gari D. Clifford

Clinical Quality Language (CQL) has emerged as a standard for rule representation in Clinical Decision Support (CDS) and Electronic Clinical Quality Measurement (eCQM) in healthcare. While open-source reference implementations and a few…

Databases · Computer Science 2022-12-13 Angelo Kastroulis , Paolo Bonfini , Anastasios Litsas

In theory, quantum key distribution (QKD) provides unconditional security; however, its practical implementations are susceptible to exploitable vulnerabilities. This investigation tackles the constraints in practical QKD implementations…

In primary diagnosis and analysis of heart defects, an ECG signal plays a significant role. This paper presents a model for the prediction of ventricular tachycardia arrhythmia using noise filtering, a unique set of ECG features, and a…

Signal Processing · Electrical Eng. & Systems 2021-12-28 Pampa Howladar , Manodipan Sahoo

Quantile Regression (QR) provides a way to approximate a single conditional quantile. To have a more informative description of the conditional distribution, QR can be merged with deep learning techniques to simultaneously estimate multiple…

Machine Learning · Computer Science 2022-02-01 Axel Brando , Joan Gimeno , Jose A. Rodríguez-Serrano , Jordi Vitrià

This work introduces a novel quantum algorithm for gradient-based edge detection that operates entirely within the quantum circuit model. Grayscale images are encoded using the Novel Enhanced Quantum Representation (NEQR), allowing exact…

Quantum Physics · Physics 2026-04-30 Fred Sun

Symbolic relative entropy, an efficient nonlinear complexity parameter measuring probabilistic divergences of symbolic sequences, is proposed in our nonlinear dynamics analysis of heart rates considering equal states. Equalities are not…

Quantitative Methods · Quantitative Biology 2019-01-29 Wenpo Yao Wenli Yao , Jun Wang

Cardiovascular diseases are best diagnosed using multiple modalities that assess both the heart's electrical and mechanical functions. While effective, imaging techniques like echocardiography and nuclear imaging are costly and not widely…

Medical Physics · Physics 2024-10-28 Sajjad Karimi , Shirin Karimi , Amit J. Shah , Gari D. Clifford , Reza Sameni

Quantum chemistry is among the most promising applications of quantum computing, offering the potential to solve complex electronic structure problems more efficiently than classical approaches. A critical component of any quantum algorithm…

Quantum Physics · Physics 2025-06-02 Smik Patel , Praveen Jayakumar , Tzu-Ching Yen , Artur F. Izmaylov

Many claims of computational advantages have been made for quantum computing over classical, but they have not been demonstrated for practical problems. Here, we present algorithms for solving time-dependent PDEs, with particular reference…

Quantum Physics · Physics 2025-06-17 Sachin S. Bharadwaj , Katepalli R. Sreenivasan

Realizing the full potential of quantum computation requires quantum error correction (QEC), with most recent breakthrough demonstrations of QEC using the surface code. QEC codes use multiple noisy physical qubits to encode information in…

Electrocardiograms (ECGs) provide non-invasive measurements of heart activity and are established tools for detecting cardiac arrhythmias. Although supervised machine learning has emerged as a promising approach for automated heartbeat…

Machine Learning · Computer Science 2026-04-27 Amir Reza Vazifeh , Jason W. Fleischer

Beat-level Electrocardiography (ECG) arrhythmia detection aims to assign an arrhythmia class to each beat in a recording, yet many existing systems treat beats as isolated local instances. This is limiting because beat labels often depend…

Machine Learning · Computer Science 2026-05-19 Jiahui Li , Ruili Fang , Zishuai Liu , WenZhan Song , Jin Lu , Fei Dou

Precise segmentation is a vital first step to analyze semantic information of cardiac cycle and capture anomaly with cardiovascular signals. However, in the field of deep semantic segmentation, inference is often unilaterally confounded by…

Signal Processing · Electrical Eng. & Systems 2022-09-20 Xingyao Wang , Yuwen Li , Hongxiang Gao , Xianghong Cheng , Jianqing Li , Chengyu Liu

Responding rapidly to a patient who is demonstrating signs of imminent clinical deterioration is a basic tenet of patient care. This gave rise to a patient safety intervention philosophy known as a Rapid Response System (RRS), whereby a…

Machine Learning · Computer Science 2021-02-12 Laleh Jalali , Hsiu-Khuern Tang , Richard H. Goldstein , Joaqun Alvarez Rodrguez