Mid-infrared fiber-optics reflectance spectroscopy: A noninvasive technique for remote analysis of painted layers. Part II: Statistical analysis of spectra

被引：19

作者：

Fabbri, M ^{[1
]}

Picollo, M ^{[1
]}

Porcinai, S ^{[1
]}

Bacci, M ^{[1
]}

机构：

[1] CNR, IROE Nello Carrara, I-50127 Florence, Italy

来源：

APPLIED SPECTROSCOPY | 2001年 / 55卷 / 04期

关键词：

fiber-optics FT-IR spectroscopy; reflectance spectroscopy; noninvasive analysis; painted layers; PCA; Mahalanobis distance;

D O I：

10.1366/0003702011952181

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Mid-infrared fiber-optics reflectance spectroscopy supported by classification procedures based on the Mahalanobis distance in the principal component space was applied to investigate laboratory samples simulating actual paintings. The spectral data obtained :cere analyzed by means of principal component analysis (PCA:). The application of PCA to first-derivative spectra resulted as a robust method of processing spectral data and made it possible to distinguish the binding medium and/or the pigment/dye. and to classify test samples by means of the Mahalanobis distance discrimination method.

引用

页码：428 / 433

页数：6

共 12 条

[1]

[Anonymous], 1977, STUD CONSERV

[2] Principal component analysis of near-infrared spectra of alteration products in calcareous samples [J].