Digital-analog quantum convolutional neural networks for image classification

• URL: http://arxiv.org/abs/2405.00548v1
• Date: Wed, 1 May 2024 14:43:20 GMT
• Title: Digital-analog quantum convolutional neural networks for image classification
• Authors: Anton Simen, Carlos Flores-Garrigos, Narendra N. Hegade, Iraitz Montalban, Yolanda Vives-Gilabert, Eric Michon, Qi Zhang, Enrique Solano, José D. Martín-Guerrero,
• Abstract summary: We consider multipartite-entangled analog blocks, stemming from native Ising interactions in neutral-atom quantum processors. We apply multiple quantum kernels by varying the qubit connectivity according to the hardware constraints. An architecture that combines non-trainable quantum kernels and standard convolutional neural networks is used to classify realistic medical images.
• Score: 3.7691369315275693
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose digital-analog quantum kernels for enhancing the detection of complex features in the classification of images. We consider multipartite-entangled analog blocks, stemming from native Ising interactions in neutral-atom quantum processors, and individual operations as digital steps to implement the protocol. To further improving the detection of complex features, we apply multiple quantum kernels by varying the qubit connectivity according to the hardware constraints. An architecture that combines non-trainable quantum kernels and standard convolutional neural networks is used to classify realistic medical images, from breast cancer and pneumonia diseases, with a significantly reduced number of parameters. Despite this fact, the model exhibits better performance than its classical counterparts and achieves comparable metrics according to public benchmarks. These findings demonstrate the relevance of digital-analog encoding, paving the way for surpassing classical models in image recognition approaching us to quantum-advantage regimes.

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