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Independent component analysis (ICA) is the most popular method for blind source separation (BSS) with a diverse set of applications, such as biomedical signal processing, video and image analysis, and communications. Maximum likelihood…

Machine Learning · Statistics 2016-10-25 Zois Boukouvalas , Rami Mowakeaa , Geng-Shen Fu , Tulay Adali

Independent component analysis (ICA) is a statistical method for transforming an observable multi-dimensional random vector into components that are as statistically independent as possible from each other. Usually the ICA framework assumes…

Machine Learning · Statistics 2018-11-21 Amichai Painsky

Independent Component Analysis (ICA) was introduced in the 1980's as a model for Blind Source Separation (BSS), which refers to the process of recovering the sources underlying a mixture of signals, with little knowledge about the source…

Statistics Theory · Mathematics 2026-02-09 Syamantak Kumar , Purnamrita Sarkar , Peter Bickel , Derek Bean

Commercial cellular networks, like the systems based on DS-CDMA, face many types of interferences such as multi-user interference inside each sector in a cell to interoperate interference. Independent Component Analysis (ICA) has been used…

Networking and Internet Architecture · Computer Science 2010-02-18 Sargam Parmar , Bhuvan Unhelkar

AIMS: One of the most challenging and important problem of digital signal processing in Cosmology is the separation of foreground contamination from cosmic microwave background (CMB). This problem becomes even more difficult in situations,…

Astrophysics · Physics 2008-02-05 Robertio Vio , Paola Andreani

Independent component analysis (ICA) decomposes multivariate data into mutually independent components (ICs). The ICA model is subject to a constraint that at most one of these components is Gaussian, which is required for model…

Methodology · Statistics 2018-05-18 Ze Jin , Benjamin B. Risk , David S. Matteson

Finding overcomplete latent representations of data has applications in data analysis, signal processing, machine learning, theoretical neuroscience and many other fields. In an overcomplete representation, the number of latent features…

Machine Learning · Computer Science 2021-06-10 Jesse A. Livezey , Alejandro F. Bujan , Friedrich T. Sommer

Independent Component Analysis (ICA) is a fundamental unsupervised learning technique foruncovering latent structure in data by separating mixed signals into their independent sources. While substantial progress has been made in…

Machine Learning · Computer Science 2026-04-13 Yuwen Jiang

Independent component analysis (ICA) is popular in many applications, including cognitive neuroscience and signal processing. Due to computational constraints, principal component analysis is used for dimension reduction prior to ICA…

Methodology · Statistics 2017-10-03 Benjamin B. Risk , David S. Matteson , David Ruppert

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 apply the independent component analysis (ICA) to the real data from a gravitational wave detector for the first time. Specifically we use the iKAGRA data taken in April 2016, and calculate the correlations between the gravitational wave…

Instrumentation and Methods for Astrophysics · Physics 2020-06-03 KAGRA Collaboration , T. Akutsu , M. Ando , K. Arai , Y. Arai , S. Araki , A. Araya , N. Aritomi , H. Asada , Y. Aso , S. Atsuta , K. Awai , S. Bae , Y. Bae , L. Baiotti , R. Bajpai , M. A. Barton , K. Cannon , E. Capocasa , M. Chan , C. Chen , K. Chen , Y. Chen , H. Chu , Y-K. Chu , K. Craig , W. Creus , K. Doi , K. Eda , S. Eguchi , Y. Enomoto , R. Flaminio , Y. Fujii , M. -K. Fujimoto , M. Fukunaga , M. Fukushima , T. Furuhata , G. Ge , A. Hagiwara , S. Haino , K. Hasegawa , K. Hashino , H. Hayakawa , K. Hayama , Y. Himemoto , Y. Hiranuma , N. Hirata , S. Hirobayashi , E. Hirose , Z. Hong , B. H. Hsieh , G-Z. Huang , P. Huang , Y. Huang , B. Ikenoue , S. Imam , K. Inayoshi , Y. Inoue , K. Ioka , Y. Itoh , K. Izumi , K. Jung , P. Jung , T. Kaji , T. Kajita , M. Kakizaki , M. Kamiizumi , S. Kanbara , N. Kanda , S. Kanemura , M. Kaneyama , G. Kang , J. Kasuya , Y. Kataoka , K. Kawaguchi , N. Kawai , S. Kawamura , T. Kawasaki , C. Kim , J. C. Kim , W. S. Kim , Y. -M. Kim , N. Kimura , T. Kinugawa , S. Kirii , N. Kita , Y. Kitaoka , H. Kitazawa , Y. Kojima , K. Kokeyama , K. Komori , A. K. H. Kong , K. Kotake , C. Kozakai , R. Kozu , R. Kumar , J. Kume , C. Kuo , H-S. Kuo , S. Kuroyanagi , K. Kusayanagi , K. Kwak , H. K. Lee , H. M. Lee , H. W. Lee , R. Lee , M. Leonardi , C. Lin , C-Y. Lin , F-L. Lin , G. C. Liu , Y. Liu , L. Luo , E. Majorana , S. Mano , M. Marchio , T. Matsui , F. Matsushima , Y. Michimura , N. Mio , O. Miyakawa , A. Miyamoto , T. Miyamoto , Y. Miyazaki , K. Miyo , S. Miyoki , W. Morii , S. Morisaki , Y. Moriwaki , T. Morozumi , M. Musha , K. Nagano , S. Nagano , K. Nakamura , T. Nakamura , H. Nakano , M. Nakano , K. Nakao , R. Nakashima , T. Narikawa , L. Naticchioni , R. Negishi , L. Nguyen Quynh , W. -T. Ni , A. Nishizawa , Y. Obuchi , T. Ochi , W. Ogaki , J. J. Oh , S. H. Oh , M. Ohashi , N. Ohishi , M. Ohkawa , K. Okutomi , K. Oohara , C. P. Ooi , S. Oshino , K. Pan , H. Pang , J. Park , F. E. Pena Arellano , I. Pinto , N. Sago , M. Saijo , S. Saito , Y. Saito , K. Sakai , Y. Sakai , Y. Sakai , Y. Sakuno , M. Sasaki , Y. Sasaki , S. Sato , T. Sato , T. Sawada , T. Sekiguchi , Y. Sekiguchi , N. Seto , S. Shibagaki , M. Shibata , R. Shimizu , T. Shimoda , K. Shimode , H. Shinkai , T. Shishido , A. Shoda , K. Somiya , E. J. Son , H. Sotani , A. Suemasa , R. Sugimoto , T. Suzuki , T. Suzuki , H. Tagoshi , H. Takahashi , R. Takahashi , A. Takamori , S. Takano , H. Takeda , M. Takeda , H. Tanaka , K. Tanaka , K. Tanaka , T. Tanaka , T. Tanaka , S. Tanioka , E. N. Tapia San Martin , D. Tatsumi , S. Telada , T. Tomaru , Y. Tomigami , T. Tomura , F. Travasso , L. Trozzo , T. Tsang , K. Tsubono , S. Tsuchida , T. Tsuzuki , D. Tuyenbayev , N. Uchikata , T. Uchiyama , A. Ueda , T. Uehara , S. Ueki , K. Ueno , G. Ueshima , F. Uraguchi , T. Ushiba , M. H. P. M. van Putten , H. Vocca , S. Wada , T. Wakamatsu , J. Wang , C. Wu , H. Wu , S. Wu , W-R. Xu , T. Yamada , A. Yamamoto , K. Yamamoto , K. Yamamoto , S. Yamamoto , T. Yamamoto , K. Yokogawa , J. Yokoyama , T. Yokozawa , T. H. Yoon , T. Yoshioka , H. Yuzurihara , S. Zeidler , Y. Zhao , Z. -H. Zhu

This paper presents an independent component analysis (ICA) based unsupervised-learning method for heat, ventilation, and air-conditioning (HVAC) load disaggregation using low-resolution (e.g., 15 minutes) smart meter data. We first…

Systems and Control · Electrical Eng. & Systems 2022-09-20 Hyeonjin Kim , Kai Ye , Han Pyo Lee , Rongxing Hu , Ning Lu , Di Wu , PJ Rehm

In many daily-life scenarios, acoustic sources recorded in an enclosure can only be observed with other interfering sources. Hence, convolutive Blind Source Separation (BSS) is a central problem in audio signal processing. Methods based on…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-12 Andreas Brendel , Thomas Haubner , Walter Kellermann

We introduce coroICA, confounding-robust independent component analysis, a novel ICA algorithm which decomposes linearly mixed multivariate observations into independent components that are corrupted (and rendered dependent) by hidden…

Machine Learning · Statistics 2019-10-31 Niklas Pfister , Sebastian Weichwald , Peter Bühlmann , Bernhard Schölkopf

Principal Component Analysis (PCA)-based techniques can separate data into different uncorrelated components and facilitate the statistical analysis as a pre-processing step. Independent Component Analysis (ICA) can separate statistically…

Instrumentation and Methods for Astrophysics · Physics 2023-01-03 Güray Hatipoğlu

It is a recurrent issue in astronomical data analysis that observations are unevenly sampled or incomplete maps with missing patches or intentionaly masked parts. In addition, many astrophysical emissions are non stationary processes over…

Astrophysics · Physics 2016-02-17 Y. Moudden , J. -F. Cardoso , J. -L. Starck , J. Delabrouille

Independent component analysis (ICA) is a statistical method for transforming an observable multidimensional random vector into components that are as statistically independent as possible from each other.Usually the ICA framework assumes a…

Information Theory · Computer Science 2015-08-21 Amichai Painsky , Saharon Rosset , Meir Feder

This paper proposes a novel method of independent component analysis (ICA), which we name higher-order tensor ICA (HOT-ICA). HOT-ICA is a tensor ICA that makes effective use of the signal categories represented by the axes of a separating…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Seishiro Goto , Ryo Natsuaki , Akira Hirose

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

We propose an ICA contrast based on the density estimation of the observed signal and its marginals by means of wavelets. The risk of the associated moment estimator is linked with approximation properties in Besov spaces. It is shown to…

Statistics Theory · Mathematics 2007-06-13 Pascal Barbedor