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相关论文: MapperEEG: A Topological Approach to Brain State C…

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Epileptic seizure detection from EEG signals remains challenging due to the high dimensionality and nonlinear, potentially stochastic, dynamics of neural activity. In this work, we investigate whether features derived from topological data…

机器学习 · 计算机科学 2026-04-15 Sunia Tanweer , Narayan Puthanmadam Subramaniyam , Firas A. Khasawneh

Despite the remarkable accuracies attained by machine learning classifiers to separate complex datasets in a supervised fashion, most of their operation falls short to provide an informed intuition about the structure of data, and, what is…

机器学习 · 计算机科学 2023-03-09 Aina Ferrà , Gloria Cecchini , Fritz-Pere Nobbe Fisas , Carles Casacuberta , Ignasi Cos

Emotional recognition through exploring the electroencephalography (EEG) characteristics has been widely performed in recent studies. Nonlinear analysis and feature extraction methods for understanding the complex dynamical phenomena are…

信号处理 · 电气工程与系统科学 2022-05-10 Yan Yan , Xuankun Wu , Chengdong Li , Yini He , Zhicheng Zhang , Huihui Li , Ang Li , Lei Wang

The Mapper algorithm, a technique within topological data analysis (TDA), constructs a simplified graphical representation of high-dimensional data to uncover its underlying shape and structural patterns. The algorithm has attracted…

In this paper, we analyze electroencephalograms (EEG) which are recordings of brain electrical activity. We develop new clustering methods for identifying synchronized brain regions, where the EEGs show similar oscillations or waveforms…

统计方法学 · 统计学 2020-07-29 Tianbo Chen , Ying Sun , Carolina Euan , Hernando Ombao

In recent years, the preliminary diagnosis of ADHD using EEG has attracted the attention from researchers. EEG, known for its expediency and efficiency, plays a pivotal role in the diagnosis and treatment of ADHD. However, the…

机器学习 · 计算机科学 2024-11-06 Tianming Cai , Guoying Zhao , Junbin Zang , Chen Zong , Zhidong Zhang , Chenyang Xue

Topological data analysis (TDA) is an emerging technique for biological signal processing. TDA leverages the invariant topological features of signals in a metric space for robust analysis of signals even in the presence of noise. In this…

代数拓扑 · 数学 2024-01-11 Shashank Manjunath , Jose A. Perea , Aarti Sathyanarayana

Accurate classification of EEG signals is crucial for brain-computer interfaces (BCIs) and neuroprosthetic applications, yet many existing methods fail to account for the non-Euclidean, manifold structure of EEG data, resulting in…

机器学习 · 计算机科学 2025-05-01 Shermin Shahbazi , Mohammad-Reza Nasiri , Majid Ramezani

Investigation of human brain states through electroencephalograph (EEG) signals is a crucial step in human-machine communications. However, classifying and analyzing EEG signals are challenging due to their noisy, nonlinear and…

机器学习 · 统计学 2019-12-19 Farzana Nasrin , Christopher Oballe , David L. Boothe , Vasileios Maroulas

Concurrency of transcranial magnetic stimulation with electroencephalography (TMS-EEG) technique is a powerful and challenging methodology for basic research and clinical applications. Aspects considered in experiments for effective TMS-EEG…

神经元与认知 · 定量生物学 2024-03-18 Hua Cheng

Identifying abnormal patterns in electroencephalography (EEG) remains the cornerstone of diagnosing several neurological diseases. The current clinical EEG review process relies heavily on expert visual review, which is unscalable and…

信号处理 · 电气工程与系统科学 2023-02-07 Teja Gupta , Neeraj Wagh , Samarth Rawal , Brent Berry , Gregory Worrell , Yogatheesan Varatharajah

Sleep is crucial for human health, and EEG signals play a significant role in sleep research. Due to the high-dimensional nature of EEG signal data sequences, data visualization and clustering of different sleep stages have been challenges.…

机器学习 · 计算机科学 2024-09-04 Yangfan Deng , Hamad Albidah , Ahmed Dallal , Jijun Yin , Zhi-Hong Mao

Motor imagery classification based on electroencephalography (EEG) signals is one of the most important brain-computer interface applications, although it needs further improvement. Several methods have attempted to obtain useful…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Takuto Fukushima , Ryusuke Miyamoto

Topological data analysis (TDA) has become a powerful approach over the last twenty years, mainly due to its ability to capture the shape and the geometry inherent in the data. Persistence homology, which is a particular tool in TDA, has…

神经元与认知 · 定量生物学 2024-01-12 Anass B. El-Yaagoubi , Shuhao Jiao , Moo K. Chung , Hernando Ombao

Interacting, self-propelled particles such as epithelial cells can dynamically self-organize into complex multicellular patterns, which are challenging to classify without a priori information. Classically, different phases and phase…

定量方法 · 定量生物学 2021-01-19 Dhananjay Bhaskar , William Y. Zhang , Ian Y. Wong

Event-related potential (ERP), a specialized paradigm of electroencephalographic (EEG), reflects neurological responses to external stimuli or events, generally associated with the brain's processing of specific cognitive tasks. ERP plays a…

神经与进化计算 · 计算机科学 2026-04-21 Yihe Wang , Zhiqiao Kang , Bohan Chen , Yu Zhang , Xiang Zhang

Electroencephalogram (EEG) is a common tool used to understand brain activities. The data are typically obtained by placing electrodes at the surface of the scalp and recording the oscillations of currents passing through the electrodes.…

信号处理 · 电气工程与系统科学 2021-02-19 Eddy Kwessi , Lloyd Edwards

Increasingly, malwares are becoming complex and they are spreading on networks targeting different infrastructures and personal-end devices to collect, modify, and destroy victim information. Malware behaviors are polymorphic, metamorphic,…

密码学与安全 · 计算机科学 2022-11-09 Lionel Nganyewou Tidjon , Foutse Khomh

Mapper is an algorithm that summarizes the topological information contained in a dataset and provides an insightful visualization. It takes as input a point cloud which is possibly high-dimensional, a filter function on it and an open…

We introduce a novel, data-driven topological data analysis (TDA) approach for embedding brain networks into a lower-dimensional space in quantifying the dynamics of temporal lobe epilepsy (TLE) obtained from resting-state functional…

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