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基于偏态分布混合模型的组织学图像颜色标准化

范小燕,王瑞

(郑州科技学院,河南 郑州 450064)

栏目:信息化应用 · 第 2025 年第 5 期 · 页码:169-173 · 2096-4706(2025)05-0169-05 · 中图分类号:TP391.4 · 文献标识码:A · DOI:10.19850/j.cnki.2096-4706.2025.05.032

摘要

组织学图像常用的染色方法为苏木精-伊红(H&E)染色法。然而,因染色原材料、储存条件或染色时间等因素的差异,会致使组织学图像的颜色产生变化,进而对计算机辅助组织学图像分析的性能造成影响。因此,在组织学图像分析中,降低图像间的颜色差异并留存图像所包含的组织学信息极为关键。文章引入一种基于偏态分布混合模型的组织学图像颜色标准化方法,用以消除组织学图像之间的颜色变化,并在三个数据集上开展了广泛实验,同时将其与常用的颜色标准化方法进行对比。实验结果显示,该方法在颜色标准化方面具备更优的性能。

关键词

偏态分布;颜色标准化;EM算法;非负矩阵分解

参考文献

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作者简介

范小燕(1995—),女,汉族,河南洛阳人,助教,硕士研究生,研究方向:医学图像处理。