通过拉曼成像和光谱知识蒸改进基于LIBS的矿物识别
Tomás Lopes1, Rafael Cavaco1, Diana Capela1
1Center for Applied Photonics, INESC TEC, Rua do Campo Alegre 687, Porto, 4169-007, Portugal; Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 687, Porto, 4169-007, Portugal.
Talanta
|November 9, 2024
概括
知识蒸增强了激光诱导分解光谱 (LIBS) 用于矿物质分类,通过使用拉曼光谱作为监督器. 这种多模式的方法提高了LIBS的性能,特别是对于具有挑战性的识别,如含矿物质.
科学领域:
- 多模态光谱成像多模态光谱成像
- 数据驱动的建模.
- 频谱学是一种光谱学.
背景情况:
- 结合来自不同传感方式的数据,可以改进数据驱动模型.
- 多模态光谱成像通过融合,连接或知识蒸来增强独立光谱学.
- 激光诱导分解光谱 (LIBS) 是一种有价值的材料分析技术.
研究的目的:
- 提高激光诱导分解光谱 (LIBS) 的性能,用于使用知识蒸进行矿物质分类.
- 探索拉曼光谱作为LIBS的监管者,采用多式模式的方法.
- 为了证明这种方法在具有挑战性的矿物识别任务中的有效性.
主要方法:
- 实施一个知识蒸管道,其中拉曼光谱作为LIBS的监督者.
- 使用光谱成像技术来增强LIBS数据.
- 案例研究的重点是鉴定和花石,挑战含有矿物质.
主要成果:
- 与独立的LIBS相比,使用拉曼衍生标签训练的LIBS系统显示了增强的分类性能.
- 知识蒸方法有效地提高了LIBS系统的分析能力.
- 部署的模型的可解释性促进了辅助特征发现.
结论:
- 使用拉曼光谱作为监督器的知识蒸显著改善了LIBS矿物分类的性能.
- 这种多式联运战略为在复杂的识别场景中增强单一技术系统提供了一个有希望的途径.
- 开发的工作流程在学术研究和工业环境中都有潜在的应用,用于辅助功能发现.
相关概念视频
01:26Raman Spectroscopy Instrumentation: Overview
296
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...
296
01:20Raman Spectroscopy: Overview
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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...
311