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Psedo-colour images of jadeite sample (a) and its distribution of abnormal points (b) in 1 000-2 500 nm

 
2019, 21(1): 1-11.
Application of Hyperspectral Imaging Technique in Identification of Polymer-Impregnated Gemstone: Taking Jadeite and Turquoise as Example .

Figures of the Article

  • Schematic of hyperspectral imaging system(a) and small imaging spectrometer scanning(b)
  • Some jadeite and turquoise samples
  • MIR spectra of natural jadeite samples (a) and polymer-impregnated jadeite sample (b)
  • MIR spectra of natural jadeite sample JN-2 and polymer-impregnated jadeite sample JT-4
  • MIR spectra of natural turquoise sample TN-3 and polymer-impregnated turquoise sample TT-3
  • NIR spectra of natural jadeite and polymer-impregnated jadeite samples
  • NIR spectra of natural turquoise and polymer-impregnated turquoise samples
  • Spectral information of natural jadeite sample JN-4 (a) and polymer-impregnated jadeite sample JT-2 (b) in 1 000-2 500 nm band
  • Spectral information of polymer-impregnated turquoise sample TT-7 in 1 000-2 500 nm
  • Psedo-colour images of jadeite sample (a) and its distribution of abnormal points (b) in 1 000-2 500 nm
  • Pseudo-colour images (a), NIR spectra (b) and distribution of polymer (c) of jadeite
  • Pseudo-colour images of turquoise samples (a) and distribution of polymer (b)

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