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image of An Efficient Neuro-framework for Brain Tumor Classification Using a CNN-based Self-supervised Learning Approach with Genetic Optimizations

Abstract

Introduction

Accurate and non-invasive grading of glioma brain tumors from MRI scans is challenging due to limited labeled data and the complexity of clinical evaluation. This study aims to develop a robust and efficient deep learning framework for improved glioma classification using MRI images.

Methods

A multi-stage framework is proposed, starting with SimCLR-based self-supervised learning for representation learning without labels, followed by Deep Embedded Clustering to extract and group features effectively. EfficientNet-B7 is used for initial classification due to its parameter efficiency. A weighted ensemble of EfficientNet-B7, ResNet-50, and DenseNet-121 is employed for the final classification. Hyperparameters are fine-tuned using a Differential Evolution-optimized Genetic Algorithm to enhance accuracy and training efficiency.

Results

EfficientNet-B7 achieved approximately 88-90% classification accuracy. The weighted

ensemble improved this to approximately 93%. Genetic optimization further enhanced accuracy by 3-5% and reduced training time by 15%.

Discussion

The framework overcomes data scarcity and limited feature extraction issues in traditional CNNs. The combination of self-supervised learning, clustering, ensemble modeling, and evolutionary optimization provides improved performance and robustness, though it requires significant computational resources and further clinical validation.

Conclusion

The proposed framework offers an accurate and scalable solution for glioma classification from MRI images. It supports faster, more reliable clinical decision-making and holds promise for real-world diagnostic applications.

© 2025 Bentham Science Publishers
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/content/journals/cn/10.2174/011570159X378103250806214613
2025-09-15
2025-10-28

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/content/journals/cn/10.2174/011570159X378103250806214613
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An Efficient Neuro-framework for Brain Tumor Classification Using a CNN-based Self-supervised Learning Approach with Genetic Optimizations
Bentham Science Publishers ; https://doi.org/10.2174/011570159X378103250806214613
/content/journals/cn/10.2174/011570159X378103250806214613
/content/journals/cn/10.2174/011570159X378103250806214613
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  • Article Type:     Research Article
Keywords: deep learning ; self-supervised learning ; genetic optimizations ; Glioma classification ; MRI-Imaging ; neurobiology

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