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Time series quantum classifiers with amplitude embedding
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DOI：10.1007/s42484-023-00133-0.png)
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摘要
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Quantum Machine Learningwas born during the past decade as the intersection ofQuantum Computing and Machine Learning. Today, advances in quantum computer hardware and the design of simulation frameworks able to run quantum algorithms in classic computers make it possible to extend classic artificial intelligence models to a quantum environment. Despite these achievements, several questions regarding the whole quantum machine learning pipeline remain unanswered, for instance the problem of classical data representation on quantum hardware, or the methodologies for designing and evaluating quantum models for common learning tasks such as classification, function approximation, clustering, etc. These problems become even more difficult to solve in the case of Time Series processing, where the context of past historical data may influence the behavior of the decision-making model. In this piece of research, we address the problem of Time Series classification using quantum models, and propose an efficient and compact representation of time series in quantum data using amplitude embedding. The proposal is capable of representing a time series of length n in log(2)(n) computational units, and experiments conducted on benchmark time series classification problems show that quantum models designed for classification can also outperform the accuracy of classic methods.
Keyword:
Quantum machine learning
Time series classification
Amplitude embedding
Quantum neural networks
期刊
Q
IF:
4.4
论文数:
445
被引数:
796
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