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Fat-based studies for computer-assisted screening of child obesity using thermal imaging based on deep learning techniques: a comparison with quantum machine learning approach

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Abstract

The main objectives are (i) to study the relation of temperature of brown adipose tissue (BAT) with respect to obesity in different regions of the human body and to predict the most significant regional thermogram in determining the obese condition in children; (ii) to develop an customized convolutional neural network (CNN) model and to compare its performance with the modified pre-trained models for the automated screening of childhood obesity; (iii) to explore the application of quantum computing, namely variational quantum classifier (VQC), in the image classification of obesity condition. The mean skin surface temperature was measured in neck, forearm, abdomen and calf region for normal, overweight and obese children. Two modified pre-trained CNN (MobileNet-V2 and VGG-16) and Customized Net are studied for multi-class categorization of normal, overweight and obese thermograms. In addition, VQC was simulated and compared with the performance of deep learning techniques. Among the regional temperature studied, abdominal region exhibited high temperature difference of 3.72 °C (10.96%) and 5.56 °C (16.84%) between normal vs overweight and normal vs obese, respectively. The proposed Customized Net model achieved the best overall accuracy of 91.6% and 89.3% for abdomen region and neck region, respectively. Similarly, VQC has illustrated best classification accuracy in neck (84.4%) and abdomen (82.2%) regions. Moreover, VQC model promotes reduction in the computational cost for the diagnosis of obesity based on thermal imaging. Hence, regional thermogram assessment with deep learning and quantum computing approach is considered as a feasible method for preliminary screening of overweight and obesity condition in children.

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modified by adding global averaging pooling layer followed by three fully connected layers (dense layer) before the softmax layer to classify the images according to the most probable class

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modified by adding global averaging pooling layer followed by three fully connected layers (dense layer) just before the softmax layer to classify the images according to the most probable class

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Data availability

The data that support the findings of this study are available on request from the corresponding author, [Dr.U.Snekhalatha]. The data are not publicly available due to restrictions [e.g., their containing information that could compromise the privacy of research participants].

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Acknowledgements

The author would like to express their sincere gratefulness to Sivananda Gurukulam School, Kattankulathur, Chennai, Tamil Nadu, India, for the facility provided in the school campus to acquire the data.

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We certify that no funding has been received for the conduct of this study.

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Correspondence to U. Snekhalatha.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All the authors of article have no conflicts of interest.

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The informed consent was obtained from the parents/guardian of the children included in this research.

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Communicated by Oscar Castillo.

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Rashmi, R., Snekhalatha, U., Krishnan, P.T. et al. Fat-based studies for computer-assisted screening of child obesity using thermal imaging based on deep learning techniques: a comparison with quantum machine learning approach. Soft Comput 27, 13093–13114 (2023). https://doi.org/10.1007/s00500-021-06668-3

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  • DOI: https://doi.org/10.1007/s00500-021-06668-3

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