基于穆勒矩阵的宫组织段的表征:极性和微分分解方法的定量比较
Nishkarsh Kumar1, Jeeban Kumar Nayak2, Asima Pradhan1,3
1Indian Institue of Technology Kanpur, Department of Physics, Kanpur, Kanpur, India.
Journal of biomedical optics
|February 8, 2024
概括
与极性分解相比,差分穆勒矩阵分解为宫组织变化提供了更好的洞察力. 这种先进的技术增强了生物医学研究中的诊断能力,用于诸如宫内皮质瘤 (CIN) 等疾病.
科学领域:
- 光学物理学 光学物理学
- 生物医学光学 生物医学光学
- 材料科学 材料科学 材料科学
背景情况:
- 定量光学极度测量是生物医学研究和诊断的一个有前途的工具.
- 穆勒矩阵 (MM) 分解方法对于分析复杂光介质的极化特性至关重要.
- 验证MM分解技术对于准确表征光学特性至关重要.
研究的目的:
- 量化比较极性和微分MM分解方法.
- 探测复杂光学介质中的结构和形态变化.
- 为了区分有不同程度的宫内皮质瘤 (CIN) 的宫组织,并描述晶体愈合.
主要方法:
- 从宫组织 (不同的CIN等级) 和使用自制MM成像装置治疗有机晶体收集的偏振MM数据.
- 使用极性和微分MM分解算法处理的MM数据.
- 分析提取的极化参数,以比较分解方法的性能.
主要成果:
- 对不同的CIN等级观察到不同的极化异性异性参数.
- 在这两种方法中都发现了增加的去极化与更高的CIN等级.
- 确定了线性衰减与CIN进展的趋势逆转,表明结构性扭曲.
- 不同分解揭示了极性分解无法检测到的关键参数的变化.
结论:
- 不同的MM分解比极性分解提供了优势,用于表征宫组织的结构变化.
- 两种方法的个别偏振参数都是有用的指标,但差分分解为像生物组织这样的复杂介质提供了更多信息.
- 具有适当分解的MM极度测量是生物医学研究中宝贵的诊断工具.
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