A Collaborative Framework for Quantum Optimisation and Quantum Neural Networks: Credit Feature Selection and Image Classification

• URL: http://arxiv.org/abs/2509.11110v2
• Date: Tue, 04 Nov 2025 08:37:45 GMT
• Title: A Collaborative Framework for Quantum Optimisation and Quantum Neural Networks: Credit Feature Selection and Image Classification
• Authors: JiaNing Long, Xuechen Liang,
• Abstract summary: This paper investigates the efficacy of quantum computing in two distinct machine learning tasks.<n>First, we address the feature selection challenge of the German Credit dataset.<n>Second, we focus on classifying handwritten digits 3 and 6 in the MNIST dataset.
• Score: 1.3177681589844814
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper investigates the efficacy of quantum computing in two distinct machine learning tasks: feature selection for credit risk assessment and image classification for handwritten digit recognition. For the first task, we address the feature selection challenge of the German Credit Dataset by formulating it as a Quadratic Unconstrained Binary Optimization (QUBO) problem, which is solved using quantum annealing to identify the optimal feature subset. Experimental results show that the resulting credit scoring model maintains high classification precision despite using a minimal number of features. For the second task, we focus on classifying handwritten digits 3 and 6 in the MNIST dataset using Quantum Neural Networks (QNNs). Through meticulous data preprocessing (downsampling, binarization), quantum encoding (FRQI and compressed FRQI), and the design of QNN architectures (CRADL and CRAML), we demonstrate that QNNs can effectively handle high-dimensional image data. Our findings highlight the potential of quantum computing in solving practical machine learning problems while emphasizing the need to balance resource expenditure and model efficacy.

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