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Malaria Parasite Detection Using a Quantum-Convolutional Network

Javaria Amin1 , Muhammad Almas Anjum2 , Abida Sharif3 , Mudassar Raza4 , Seifedine Kadry5, Yunyoung Nam6,*

1 University of Wah, Wah Cantt, Pakistan
2 National University of Technology (NUTECH), Islamabad, Pakistan
3 COMSATS University Islamabad, Vehari Campus, Vehari, Pakistan
4 COMSATS University Islamabad, Wah Campus, Pakistan
5 Faculty of Applied Computing and Technology, Noroff University College, Kristiansand, Norway
6 Department of Computer Science and Engineering, Soonchunhyang University, Asan, 31538, Korea

* Corresponding Author:Yunyoung Nam. Email:

(This article belongs to this Special Issue: Recent Advances in Deep Learning for Medical Image Analysis)

Computers, Materials & Continua 2022, 70(3), 6023-6039.


Malaria is a severe illness triggered by parasites that spreads via mosquito bites. In underdeveloped nations, malaria is one of the top causes of mortality, and it is mainly diagnosed through microscopy. Computer-assisted malaria diagnosis is difficult owing to the fine-grained differences throughout the presentation of some uninfected and infected groups. Therefore, in this study, we present a new idea based on the ensemble quantum-classical framework for malaria classification. The methods comprise three core steps: localization, segmentation, and classification. In the first core step, an improved FRCNN model is proposed for the localization of the infected malaria cells. Then, the RGB localized images were converted into YCbCr channels to normalize the image intensity values. Subsequently, the actual lesion region was segmented using a histogram-based color thresholding approach. The segmented images were employed for classification in two different ways. In the first method, a CNN model is developed by the selection of optimum layers after extensive experimentation, and the final computed feature vector is passed to the softmax layer for classification of the infection/non-infection of the microscopic malaria images. Second, a quantum-convolutional model is employed for informative feature extraction from microscopic malaria images, and the extracted feature vectors are supplied to the softmax layer for classification. Finally, classification results were analyzed from two different models and concluded that the quantum-convolutional model achieved maximum accuracy as compared to CNN. The proposed models attain a precision rate greater than 90%, thereby proving that these models performed better than the existing models.


Cite This Article

J. Amin, ,. Muhammad Almas Anjum, ,. Abida Sharif, ,. Mudassar Raza, ,. Seifedine Kadry et al., "Malaria parasite detection using a quantum-convolutional network," Computers, Materials & Continua, vol. 70, no.3, pp. 6023–6039, 2022.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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