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Electroencephalography is frequently used for diagnostic evaluation of various brain-related disorders due to its excellent resolution, non-invasive nature and low cost. However, manual analysis of EEG signals could be strenuous and a…

信号处理 · 电气工程与系统科学 2021-11-09 Hezam Albaqami , Ghulam Mubashar Hassan , Abdulhamit Subasi , Amitava Datta

EEG signals are complex and low-frequency signals. Therefore, they are easily influenced by external factors. EEG artifact removal is crucial in neuroscience because artifacts have a significant impact on the results of EEG analysis. The…

信号处理 · 电气工程与系统科学 2022-09-27 Mehmet Akif Ozdemir , Sumeyye Kizilisik , Onan Guren

Excess noise is a major obstacle to high-performance continuous-variable quantum key distribution (CVQKD), which is mainly derived from the amplitude attenuation and phase fluctuation of quantum signals caused by channel instability. Here,…

量子物理 · 物理学 2022-07-22 Kexin Liang , Geng Chai , Zhengwen Cao , Qing Wang , Lei Wang , Jinye Peng

A novel anomaly detection algorithm is presented. The Wasserstein normalized autoencoder (WNAE) is a normalized probabilistic model that minimizes the Wasserstein distance between the learned probability distribution -- a Boltzmann…

高能物理 - 实验 · 物理学 2025-10-03 CMS Collaboration

Though widely used in image classification, convolutional neural networks (CNNs) are prone to noise interruptions, i.e. the CNN output can be drastically changed by small image noise. To improve the noise robustness, we try to integrate…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Qiufu Li , Linlin Shen , Sheng Guo , Zhihui Lai

We introduce and analyze a novel quantum machine learning model motivated by convolutional neural networks. Our quantum convolutional neural network (QCNN) makes use of only $O(\log(N))$ variational parameters for input sizes of $N$ qubits,…

量子物理 · 物理学 2019-10-23 Iris Cong , Soonwon Choi , Mikhail D. Lukin

Quantization of Convolutional Neural Networks (CNNs) is a common approach to ease the computational burden involved in the deployment of CNNs, especially on low-resource edge devices. However, fixed-point arithmetic is not natural to the…

机器学习 · 计算机科学 2024-06-14 Ido Ben-Yair , Gil Ben Shalom , Moshe Eliasof , Eran Treister

This letter presents a novel \textit{quantum algorithm} for signal denoising, which performs a thresholding in the frequency domain through amplitude amplification and using an adaptive threshold determined by local mean values. The…

量子物理 · 物理学 2023-12-27 Sayantan Dutta , Adrian Basarab , Denis Kouamé , Bertrand Georgeot

A new algorithm has been developed for delineation of significant points of various electrocardiographic signal (ECG) waves, taking into account information from all available leads and providing similar or higher accuracy in comparison…

"Objective: The electrocardiogram (ECG) is currently the most widely used recording to diagnose cardiac disorders, including the most common supraventricular arrhythmia, such as atrial fibrillation (AF). However, different types of…

信号处理 · 电气工程与系统科学 2024-01-25 Manuel Garcia , Miguel Martinez-Iniesta , Juan Rodenas , Jose J Rieta , Raul Alcaraz

Characterization of quantum objects, being them states, processes, or measurements, complemented by previous knowledge about them is a valuable approach, especially as it leads to routine procedures for real-life components. To this end,…

量子物理 · 物理学 2023-06-28 Massimiliano Guarneri , Ilaria Gianani , Marco Barbieri , Andrea Chiuri

Quantum fingerprinting reduces communication complexity of determination whether two $n$-bit long inputs are equal or different in the simultaneous message passing model. Here we quantify the advantage of quantum fingerprinting over…

量子物理 · 物理学 2020-04-06 Michał Lipka , Marcin Jarzyna , Konrad Banaszek

The curvelet transform is a directional wavelet transform over R^n, which is used to analyze functions that have singularities along smooth surfaces (Candes and Donoho, 2002). I demonstrate how this can lead to new quantum algorithms. I…

量子物理 · 物理学 2009-07-04 Yi-Kai Liu

We present a Machine Learning approach to solve electronic quantum transport equations of one-dimensional nanostructures. The transmission coefficients of disordered systems were computed to provide training and test datasets to the…

介观与纳米尺度物理 · 物理学 2015-06-18 Alejandro Lopez-Bezanilla , O. Anatole von Lilienfeld

Time-frequency analysis is an important and challenging task in many applications. Fourier and wavelet analysis are two classic methods that have achieved remarkable success in many fields. However, they also exhibit limitations when…

机器学习 · 计算机科学 2024-10-25 Feng Zhou , Antonio Cicone , Haomin Zhou

This paper presents a fractional one-dimensional convolutional neural network (CNN) autoencoder for denoising the Electroencephalogram (EEG) signals which often get contaminated with noise during the recording process, mostly due to muscle…

机器学习 · 计算机科学 2021-04-19 Subham Nagar , Ahlad Kumar

A program WWZ is introduced, which realizes the wavelet analysis using an improved modification of the algorithm of the Morlet wavelet for a general case of irregularly spaced data, which is typical for the databases available in virtual…

天体物理仪器与方法 · 物理学 2013-10-21 Ivan L. Andronov , Alevtina V. Naumova

Convolutional neural network (CNN), with ability of feature learning and nonlinear mapping, has demonstrated its effectiveness in prognostics and health management (PHM). However, explanation on the physical meaning of a CNN architecture…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Tianfu Li , Zhibin Zhao , Chuang Sun , Li Cheng , Xuefeng Chen , Ruqiang Yan , Robert X. Gao

This paper describes an exponential transient excision algorithm (ETEA). In biomedical time series analysis, e.g., in vivo neural recording and electrocorticography (ECoG), some measurement artifacts take the form of piecewise exponential…

机器学习 · 计算机科学 2015-09-25 Yin Ding , Ivan W. Selesnick

Quantum neural networks (QNNs), an interdisciplinary field of quantum computing and machine learning, have attracted tremendous research interests due to the specific quantum advantages. Despite lots of efforts developed in computer vision…

量子物理 · 物理学 2022-11-15 Kaixiong Zhou , Zhenyu Zhang , Shengyuan Chen , Tianlong Chen , Xiao Huang , Zhangyang Wang , Xia Hu