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A Quantum-enhanced Support Vector Machine for Galaxy Classification by Hassanshahi, Mohammad Hassan; Jastrzebski, Marcin; Malik, Sarah; Lahav, Ofer is a scholarly article available to read on EtoBox.

What is A Quantum-enhanced Support Vector Machine for Galaxy Classification about?

Galaxy morphology, a key tracer of the evolution of a galaxy's physical structure, has motivated extensive research on machine learning techniques for efficient and accurate galaxy classification. The emergence of quantum computers has generated optimism about the potential for significantly improving the accuracy of such classifications by leveraging the large dimensionality of quantum Hilbert space. This paper presents a quantum-enhanced support vector machine algorithm for classifying galaxies based on their morphology. The algorithm requires the computation of a kernel matrix, a task that is performed on a simulated quantum computer using a quantum circuit conjectured to be intractable on classical computers. The result shows similar performance between classical and quantum-enhanced support vector machine algorithms. For a training size of $40$k, the receiver operating characteristic curve for differentiating ellipticals and spirals has an under-curve area (ROC AUC) of $0.946\pm 0.005$ for both classical and quantum-enhanced algorithms. Additionally, we demonstrate for a small dataset that the performance of a noise-mitigated quantum SVM algorithm on a quantum device is in agr

Author

Hassanshahi, Mohammad Hassan; Jastrzebski, Marcin; Malik, Sarah; Lahav, Ofer

Published

2023

Language

EN