使用拉曼光谱和机器学习来识别乳腺癌
Ya Zhang1, Zheng Li1, Zhongqiang Li1
1Division of Electrical and Computer Engineering, College of Engineering, Louisiana State University, Baton Rouge, LA, 70803, USA.
Biological procedures online
|September 12, 2024
概括
机器学习和拉曼光谱学准确地区分了小鼠的癌症与正常乳腺组织. 这种非侵入性技术为手术内使用提供了更快的诊断工具.
科学领域:
- 生物医学工程 生物医学工程
- 频谱学是一种光谱学.
- 机器学习 机器学习
背景情况:
- 乳腺癌是全球主要的健康问题,需要精确的手术内组织鉴定.
- 区分癌症和非癌症乳腺组织对于在手术期间有效去除瘤至关重要.
研究的目的:
- 评估机器学习算法,使用拉曼光谱来对乳腺癌组织进行分类.
- 在这个分类任务中比较随机森林,支持向量机和卷积神经网络模型的有效性.
主要方法:
- 拉曼光谱法用于分析正常和癌症的小鼠乳腺组织.
- 开发和测试了三种机器学习模型:随机森林 (RF),支持矢量机 (SVM) 和卷积神经网络 (CNN).
- 确定了与组织类型相关的特定光谱峰值.
主要成果:
- 该研究实现了高分类准确率:94.47% (RF),96.76% (SVM) 和97.58% (CNN).
- 这项研究代表了使用拉曼光谱进行乳腺癌分类的这三种机器学习技术的首次比较.
- 确定了区分癌症和正常组织的关键光谱生物标志物.
结论:
- 机器学习和拉曼光谱的整合为乳腺癌提供了快速,非侵入性的诊断方法.
- 这种方法显示出改善手术内外科手术指导和患者治疗结果的巨大潜力.
相关概念视频
01:20Raman Spectroscopy: Overview
330
The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
330
01:26Raman Spectroscopy Instrumentation: Overview
298
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
298