Quantum convolutional neural networks for jet images classification

• URL: http://arxiv.org/abs/2408.08701v2
• Date: Wed, 05 Mar 2025 15:51:45 GMT
• Title: Quantum convolutional neural networks for jet images classification
• Authors: Hala Elhag, Tobias Hartung, Karl Jansen, Lento Nagano, Giorgio Menicagli Pirina, Alice Di Tucci,
• Abstract summary: This paper addresses the performance of quantum machine learning in the context of high-energy physics.<n>We use a quantum convolutional neural network (QCNN) for this task and compare its performance with CNN using a classical noiseless simulator.<n>Our results indicate that QCNN with proper setups tend to perform better than their CNN counterparts.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recently, interest in quantum computing has significantly increased, driven by its potential advantages over classical techniques. Quantum machine learning (QML) exemplifies one of the important quantum computing applications that are expected to surpass classical machine learning in a wide range of instances. This paper addresses the performance of QML in the context of high-energy physics (HEP). As an example, we focus on the top-quark tagging, for which classical convolutional neural networks (CNNs) have been effective but fall short in accuracy when dealing with highly energetic jet images. In this paper, we use a quantum convolutional neural network (QCNN) for this task and compare its performance with CNN using a classical noiseless simulator. We compare various setups for the QCNN, varying the convolutional circuit, type of encoding, loss function, and batch sizes. For every quantum setup, we design a similar setup to the corresponding classical model for a fair comparison. Our results indicate that QCNN with proper setups tend to perform better than their CNN counterparts, particularly when the convolution block has a lower number of parameters. For the higher parameter regime, the QCNN circuit was adjusted according to the dimensional expressivity analysis (DEA) to lower the parameter count while preserving its optimal structure. The DEA circuit demonstrated improved results over the comparable classical CNN model.

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