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Enhanced brain tumor classification in MRI using an optimized deep random graph dilated diffusion convolutional attention network

delete2025-09-24
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PRE
AI
J
Jaswinder Singh *
M
Manish Bhardwaj
A
Analp Pathak
L
Latika Sharma
DOI:10.1002/mp.70028delete
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摘要

摘要

En 中文
背景:良性及恶性脑肿瘤(BT)均会损害关键脑功能,因此早期发现对于成功治疗至关重要。有效的干预依赖于能够提供准确及时诊断的MRI扫描。 目的:本研究结合前沿深度学习与优化方法,提出一种革命性的脑肿瘤分类方法。带有冠豪猪优化器(CPO)的深度随机图扩张扩散卷积注意力网络(DR2DCAN)提升了肿瘤识别精度。 方法:首先利用混合快速传统双边滤波器(HFCBF)对MRI图像进行预处理,以降低噪声并保留关键边缘。通过DeepLabV3+进行语义分割,分离肿瘤区域与健康组织,从而实现有效特征提取。利用多离散拉盖尔小波变换(MDLWT)捕捉分割肿瘤区域的多尺度重要特征。随后,DR2DCAN处理这些特征,其结合深度扩张卷积神经网络与随机图扩散注意力机制,增强分类可靠性。CPO进一步微调DR2DCAN权重,提升精度。 结果:采用Figshare和Kaggle上的MRI数据集进行测试,数据集包含非肿瘤胶质瘤、垂体瘤和脑膜瘤病例。所提方法优于现有方法,准确率达98.7%,精确率98.4%,召回率98.8%,F1分数98.6%。t检验和Wilcoxon检验等统计分析证实性能显著提升。 结论:该框架在脑肿瘤分类上展现出更高精度,因此是临床应用与早期诊断的有前景工具。
Keyword:
brain tumor classification
crested porcupine optimizer
DeepLabV3+
hybrid fast conventional bilateral filter
multi-discrete Laguerre wavelets transforms

期刊

Medical Physics 封面图
Medical Physics
IF:
3.2
论文数:
3.7W
被引数:
3.2W

机构

K
Kiet Group of Institutions
学者数:
266
论文数: 237
被引数: 0
引用论文

引用论文

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