Dr. Alexei Kaltchenko Profile

Dr. Alexei Kaltchenko

at Wilfrid Laurier Univ

SPIE Involvement:

Author

Area of Expertise:

data compression , information theory , entropy estimation

Alexei Kaltchenko has a PhD in Electrical and Comp. Engineering from the University of Waterloo. His research interests are in classical and quantum information theory, data compression, and entropy estimation .

Proceedings Article | 30 May 2022 Presentation + Paper

Qubit complexity and the complexity of operators acting on the space of quantum states

Alexei Kaltchenko

Proceedings Volume 12093, 120930E (2022) https://doi.org/10.1117/12.2627079

KEYWORDS: Quantum computing, Quantum information, Binary data, Vector spaces, Quantum physics, Quantum mechanics, Information theory

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Proceedings Article | 31 January 2022 Paper

Descriptional complexity of unitary transformations

Alexei Kaltchenko

Proceedings Volume 12157, 121571S (2022) https://doi.org/10.1117/12.2620457

KEYWORDS: Quantum computing, Quantum communications, Binary data, Quantum mechanics, Vector spaces, Software, Associative arrays, Superposition, Quantum physics, Quantum information

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Proceedings Article | 22 May 2014 Paper

Improving the efficiency of nonparametric entropy estimation

Evgeniy Timofeev, Alexei Kaltchenko

Proceedings Volume 9118, 911818 (2014) https://doi.org/10.1117/12.2049575

KEYWORDS: Aluminum, Statistical analysis, Americium, Biological research, Computer simulations, Information science, Physics, Independent component analysis, Wavelets, Neural networks

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Proceedings Article | 22 May 2014 Paper

Efficiency of nearest neighbor entropy estimators for Bernoulli measures

Evgeniy Timofeev, Alexei Kaltchenko

Proceedings Volume 9118, 911819 (2014) https://doi.org/10.1117/12.2049574

KEYWORDS: Aluminum, Information science, Physics, Independent component analysis, Wavelets, Neural networks, Nanoengineering, Current controlled current source, Statistical analysis, Argon

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Proceedings Article | 29 May 2013 Paper

Fast algorithm for entropy estimation

Evgeniy Timofeev, Alexei Kaltchenko

Proceedings Volume 8750, 87500U (2013) https://doi.org/10.1117/12.2016164

KEYWORDS: Associative arrays, Algorithms, Detection and tracking algorithms, Information science, Physics, Computer science, Pattern recognition, Image classification, Coding theory, Computer programming

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Proceedings Article | 29 May 2013 Paper

Entropy estimation and Fibonacci numbers

Evgeniy Timofeev, Alexei Kaltchenko

Proceedings Volume 8750, 875016 (2013) https://doi.org/10.1117/12.2016140

KEYWORDS: Fermium, Curium, Americium, Statistical analysis, Information science, Physics, Computer science, Analytical research, Independent component analysis, Wavelets

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Proceedings Article | 24 March 2008 Paper

Estimation of classical and quantum entropy and other information-theoretic quantities

Alexei Kaltchenko

Proceedings Volume 6976, 69760L (2008) https://doi.org/10.1117/12.778046

KEYWORDS: Quantum information, Quantum computing, Statistical analysis, Distance measurement, Information theory, Classical physics, Data compression, Stochastic processes, Quantum physics, Data processing

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Proceedings Article | 25 April 2007 Paper

Optimization of algorithmic cooling for NMR quantum computers

Alexei Kaltchenko

Proceedings Volume 6573, 657309 (2007) https://doi.org/10.1117/12.720147

KEYWORDS: Probability theory, Data compression, Quantum communications, Quantum computing, Computing systems, Binary data, Optimization (mathematics), Molecules, Polarization, Quantum information

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Proceedings Article | 12 May 2006 Paper

Improved algorithmic cooling for scalable NMR quantum computers

Alexei Kaltchenko

Proceedings Volume 6244, 624412 (2006) https://doi.org/10.1117/12.666498

KEYWORDS: Probability theory, Quantum computing, Quantum communications, Binary data, Computing systems, Polarization, Data compression, Composites, Cooling systems, Projection systems

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Proceedings Article | 24 August 2004 Paper

Weak measurements and universal compression of quantum information sources

Alexei Kaltchenko

Proceedings Volume 5436, (2004) https://doi.org/10.1117/12.541903

KEYWORDS: Quantum information, Data compression, Projection systems, Quantum computing, Space operations, Binary data, Composites, Matrices, Physics, Quantum physics

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Proceedings Article | 24 August 2004 Paper

Algorithm for nondestructive estimation of quantum relative entropy

Alexei Kaltchenko

Proceedings Volume 5436, (2004) https://doi.org/10.1117/12.541901

KEYWORDS: Nondestructive evaluation, Distance measurement, Quantum computing, Space operations, Stochastic processes, Quantum physics, Computer programming, Physics, Computing systems, Quantum information

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Proceedings Article | 4 August 2003 Paper

Universal compression of classically correlated stationary quantum sources

Alexei Kaltchenko, En-Hui Yang

Proceedings Volume 5105, (2003) https://doi.org/10.1117/12.485663

KEYWORDS: Projection systems, Quantum information, Space operations, Data compression, Quantum communications, Analog electronics, Matrices, Quantum mechanics, Quantum physics, Image information entropy

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