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5th of October, Gotemburgo
Spectral Imaging Theory and Applications
in Cultural Heritage
1
António Cardoso
Co-Founder
www.xpectraltek.com | info@xpectraltek.com
Light is our tool!
2
www.xpectraltek.com | info@xpectraltek.com 3
Pigment traces Enhancement (UV Reflection)
Ultraviolet reflectionVisible refl...
www.xpectraltek.com | info@xpectraltek.com 4
Pigment Traces Enhancement (Visible
Reflection)
www.xpectraltek.com | info@xpectraltek.com 5
Pigment traces Enhancement (IR Reflection)
1º Edition “Mensagem” F. Pessoa
IR...
www.xpectraltek.com | info@xpectraltek.com 6
Pigment Analysis
Reflectance spectra of Dark Pigments
0
50
100
150
200
250
35...
www.xpectraltek.com | info@xpectraltek.com
False colour image
Censoring ink
Old pigment
Visible image
Differentiating Inks...
www.xpectraltek.com | info@xpectraltek.com 8
Hardware Specifications
• Sensor: CMOS Monochrome
• Spectral Sensitivity: 350...
5th of October, Gotemburgo
www.xpectraltek.com - info@xpectraltek.com
Thank you for your attention!
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ICARUS-Meeting #20 | The Age of Digital Technology: Documents, Archives and Society - Xpectraltek: Graphic Documents Unfolded With the XpeCAM X01 Solution

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Xpectraltek

Graphic Documents Unfolded With the XpeCAM X01 Solution

ICARUS-Meeting #20 | The Age of Digital Technology: Documents, Archives and Society

23–25 October 2017, Complutense University Madrid, Calle del Prof. Aranguren, 28040 Madrid, Spain

Publicado en: Ciencias
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ICARUS-Meeting #20 | The Age of Digital Technology: Documents, Archives and Society - Xpectraltek: Graphic Documents Unfolded With the XpeCAM X01 Solution

  1. 1. 5th of October, Gotemburgo Spectral Imaging Theory and Applications in Cultural Heritage 1 António Cardoso Co-Founder
  2. 2. www.xpectraltek.com | info@xpectraltek.com Light is our tool! 2
  3. 3. www.xpectraltek.com | info@xpectraltek.com 3 Pigment traces Enhancement (UV Reflection) Ultraviolet reflectionVisible reflection
  4. 4. www.xpectraltek.com | info@xpectraltek.com 4 Pigment Traces Enhancement (Visible Reflection)
  5. 5. www.xpectraltek.com | info@xpectraltek.com 5 Pigment traces Enhancement (IR Reflection) 1º Edition “Mensagem” F. Pessoa IR reflectionVisible reflection
  6. 6. www.xpectraltek.com | info@xpectraltek.com 6 Pigment Analysis Reflectance spectra of Dark Pigments 0 50 100 150 200 250 350 550 750 950 1150 Wavelength nm ReflectedLight Dark pigment in the eye 0 50 100 150 200 250 350 550 750 950 1150 Wavelength nm ReflectedLight Dark pigment in the nose Color Image 400 nm 950 nm750 nm 800 nm 675 nm450 nm 500 nm 1100 nm 1200 nm
  7. 7. www.xpectraltek.com | info@xpectraltek.com False colour image Censoring ink Old pigment Visible image Differentiating Inks (Principal Component Analysis)
  8. 8. www.xpectraltek.com | info@xpectraltek.com 8 Hardware Specifications • Sensor: CMOS Monochrome • Spectral Sensitivity: 350-1200nm • Spectral Bands: 30 • Spatial resolution: 5M pixels • Sensor lens: C-Mount type (exchangeable) • Connections: USB3.0 Multi-spectral imaging
  9. 9. 5th of October, Gotemburgo www.xpectraltek.com - info@xpectraltek.com Thank you for your attention!

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