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Independent component analysis (ICA) has been a popular dimension reduction tool in statistical machine learning and signal processing. In this paper, we present a convergence analysis for an online tensorial ICA algorithm, by viewing the…

Machine Learning · Computer Science 2021-07-30 Chris Junchi Li , Michael I. Jordan

Independent Component Analysis (ICA) is an important step in EEG processing for a wide-ranging set of applications. However, ICA requires well-designed studies and data collection practices to yield optimal results. Past studies have…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Gwenevere Frank , Seyed Yahya Shirazi , Jason Palmer , Gert Cauwenberghs , Scott Makeig , Arnaud Delorme

Independent component analysis (ICA) is a method to extract a set of time-series data using ``statistical independency" of each component. We applied ICA to extract gravitational wave (GW) signals directly from the detector data. Our idea…

General Relativity and Quantum Cosmology · Physics 2025-05-06 Rika Shimomura , Yuuichi Tabe , Hisaaki Shinkai

We propose a new method of independent component analysis (ICA) in order to extract appropriate features from high-dimensional data. In general, matrix factorization methods including ICA have a problem regarding the interpretability of…

Machine Learning · Statistics 2024-10-18 Yusuke Endo , Koujin Takeda

Independent component analysis (ICA) is linked up with the problem of estimating a non linear functional of a density, for which optimal estimators are well known. The precision of ICA is analyzed from the viewpoint of functional spaces in…

Statistics Theory · Mathematics 2007-06-13 Pascal Barbedor

Reliable measures of statistical dependence could be useful tools for learning independent features and performing tasks like source separation using Independent Component Analysis (ICA). Unfortunately, many of such measures, like the…

Machine Learning · Statistics 2017-10-17 Philemon Brakel , Yoshua Bengio

Background: Independent Component Analysis (ICA) is a widespread tool for exploration and denoising of electroencephalography (EEG) or magnetoencephalography (MEG) signals. In its most common formulation, ICA assumes that the signal matrix…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Pierre Ablin , Jean-François Cardoso , Alexandre Gramfort

Machine learning and data analysis now finds both scientific and industrial application in biology, chemistry, geology, medicine, and physics. These applications rely on large quantities of data gathered from automated sensors and user…

Machine Learning · Computer Science 2017-05-26 Joseph Anderson

Independent Component Analysis (ICA) aims to recover independent latent variables from observed mixtures thereof. Causal Representation Learning (CRL) aims instead to infer causally related (thus often statistically dependent) latent…

In April 2020, KAGRA conducted its first science observation in combination with the GEO~600 detector (O3GK) for two weeks. According to the noise budget estimation, suspension control noise in the low frequency band and acoustic noise in…

Instrumentation and Methods for Astrophysics · Physics 2022-06-14 KAGRA collaboration , H. Abe , T. Akutsu , M. Ando , A. Araya , N. Aritomi , H. Asada , Y. Aso , S. Bae , Y. Bae , R. Bajpai , K. Cannon , Z. Cao , E. Capocasa , M. Chan , C. Chen , D. Chen , K. Chen , Y. Chen , C-Y. Chiang , Y-K. Chu , S. Eguchi , M. Eisenmann , Y. Enomoto , R. Flaminio , H. K. Fong , Y. Fujii , Y. Fujikawa , Y. Fujimoto , I. Fukunaga , D. Gao , G. -G. Ge , S. Ha , I. P. W. Hadiputrawan , S. Haino , W. -B. Han , K. Hasegawa , K. Hattori , H. Hayakawa , K. Hayama , Y. Himemoto , N. Hirata , C. Hirose , T-C. Ho , B-H. Hsieh , H-F. Hsieh , C. Hsiung , H-Y. Huang , P. Huang , Y-C. Huang , Y. -J. Huang , D. C. Y. Hui , S. Ide , K. Inayoshi , Y. Inoue , K. Ito , Y. Itoh , C. Jeon , H. -B. Jin , k. Jung , P. Jung , K. Kaihotsu , T. Kajita , M. Kakizaki , M. Kamiizumi , N. Kanda , T. Kato , K. Kawaguchi , C. Kim , J. Kim , J. C. Kim , Y. -M. Kim , N. Kimura , T. Kiyota , Y. Kobayashi , K. Kohri , K. Kokeyama , A. K. H. Kong , N. Koyama , C. Kozakai , J. Kume , Y. Kuromiya , S. Kuroyanagi , K. Kwak , E. Lee , H. W. Lee , R. Lee , M. Leonardi , K. L. Li , P. Li , L. C. -C. Lin , C-Y. Lin , E. T. Lin , F-K. Lin , F-L. Lin , H. L. Lin , G. C. Liu , L. -W. Luo , M. Ma'arif , E. Majorana , Y. Michimura , N. Mio , O. Miyakawa , K. Miyo , S. Miyoki , Y. Mori , S. Morisaki , N. Morisue , Y. Moriwaki , K. Nagano , K. Nakamura , H. Nakano , M. Nakano , Y. Nakayama , T. Narikawa , L. Naticchioni , L. Nguyen Quynh , W. -T. Ni , T. Nishimoto , A. Nishizawa , S. Nozaki , Y. Obayashi , W. Ogaki , J. J. Oh , K. Oh , M. Ohashi , T. Ohashi , M. Ohkawa , H. Ohta , Y. Okutani , K. Oohara , S. Oshino , S. Otabe , K. -C. Pan , A. Parisi , J. Park , F. E. Peña Arellano , S. Saha , Y. Saito , K. Sakai , T. Sawada , Y. Sekiguchi , L. Shao , Y. Shikano , H. Shimizu , K. Shimode , H. Shinkai , T. Shishido , A. Shoda , K. Somiya , I. Song , R. Sugimoto , J. Suresh , T. Suzuki , T. Suzuki , T. Suzuki , H. Tagoshi , H. Takahashi , R. Takahashi , S. Takano , H. Takeda , M. Takeda , K. Tanaka , T. Tanaka , T. Tanaka , S. Tanioka , A. Taruya , T. Tomaru , T. Tomura , L. Trozzo , T. Tsang , J-S. Tsao , S. Tsuchida , T. Tsutsui , D. Tuyenbayev , N. Uchikata , T. Uchiyama , A. Ueda , T. Uehara , K. Ueno , G. Ueshima , T. Ushiba , M. H. P. M. van Putten , J. Wang , T. Washimi , C. Wu , H. Wu , T. Yamada , K. Yamamoto , T. Yamamoto , K. Yamashita , R. Yamazaki , Y. Yang , S. Yeh , J. Yokoyama , T. Yokozawa , T. Yoshioka , H. Yuzurihara , S. Zeidler , M. Zhan , H. Zhang , Y. Zhao , Z. -H. Zhu

A framework named Copula Component Analysis (CCA) for blind source separation is proposed as a generalization of Independent Component Analysis (ICA). It differs from ICA which assumes independence of sources that the underlying components…

Information Retrieval · Computer Science 2007-05-23 Jian Ma , Zengqi Sun

We present a novel algorithm for overcomplete independent components analysis (ICA), where the number of latent sources k exceeds the dimension p of observed variables. Previous algorithms either suffer from high computational complexity or…

Compressive learning forms the exciting intersection between compressed sensing and statistical learning where one exploits forms of sparsity and structure to reduce the memory and/or computational complexity of the learning task. In this…

Machine Learning · Statistics 2021-10-18 Michael P. Sheehan , Mike E. Davies

We consider independent component analysis of binary data. While fundamental in practice, this case has been much less developed than ICA for continuous data. We start by assuming a linear mixing model in a continuous-valued latent space,…

Machine Learning · Computer Science 2022-08-03 Antti Hyttinen , Vitória Barin-Pacela , Aapo Hyvärinen

Two types of spatiotemporal chaos exhibited by ensembles of coupled nonlinear oscillators are analyzed using independent component analysis (ICA). For diffusively coupled complex Ginzburg-Landau oscillators that exhibit smooth amplitude…

Chaotic Dynamics · Physics 2007-06-13 H. Asano , H. Nakao

Independent Mechanism Analysis (IMA) seeks to address non-identifiability in nonlinear Independent Component Analysis (ICA) by assuming that the Jacobian of the mixing function has orthogonal columns. As typical in ICA, previous work…

Machine Learning · Statistics 2023-12-22 Shubhangi Ghosh , Luigi Gresele , Julius von Kügelgen , Michel Besserve , Bernhard Schölkopf

We present a new algorithm for Independent Component Analysis (ICA) which has provable performance guarantees. In particular, suppose we are given samples of the form $y = Ax + \eta$ where $A$ is an unknown $n \times n$ matrix and $x$ is a…

Machine Learning · Computer Science 2012-11-13 Sanjeev Arora , Rong Ge , Ankur Moitra , Sushant Sachdeva

Independent component analysis (ICA) is now a widely used solution for the analysis of multi-subject functional magnetic resonance imaging (fMRI) data. Independent vector analysis (IVA) generalizes ICA to multiple datasets, i.e., to…

Signal Processing · Electrical Eng. & Systems 2023-11-10 Trung Vu , Francisco Laport , Hanlu Yang , Vince D. Calhoun , Tulay Adali

Spatial Independent Components Analysis (ICA) is increasingly used in the context of functional Magnetic Resonance Imaging (fMRI) to study cognition and brain pathologies. Salient features present in some of the extracted Independent…

In this letter, we propose a modified version of Fast Independent Component Analysis (FICA) algorithm to solve the self-interference cancellation (SIC) problem in In-band Full Duplex (IBFD) communication systems. The complex mixing problem…

Signal Processing · Electrical Eng. & Systems 2020-01-07 Mohammed E. Fouda , Sergey Shaboyan , Ayman Elezabi , Ahmed Eltawil