A diffractive optical element based machine vision system for local optical inspection of compressed paper

• Autorzy: Oksman A. , Silvennoinen R. , Peiponen K. E. , Avikainen M. , Komulainen H.
• Języki publikacji: EN

Abstrakty

EN

Surface quality of fine and supercalendered (SC) paper samples was investigated by using a pressure gauge together with a machine vision system. It is shown in this study that a machine vision system that exploits diffractive optical element (DOE) along with a focused laser beam detects local specular reflectance variation of the compressed paper. It is suggested that this machine vision system can be utilized for inspection of optical quality variations of compressed paper.

Słowa kluczowe

EN

diffractive optical element; local specular reflectance; paper compressing

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2005
• Tom: Vol. 13, No. 1
• Strony: 39--42
• Opis fizyczny: Bibliogr. 11 poz., il., wykr.

Twórcy

autor

Oksman A.

• University of Joensuu, Department of Physics, P. O. Box 111, FIN-80101, Joensuu, Finland

autor

Silvennoinen R.

• University of Joensuu, Department of Physics, P. O. Box 111, FIN-80101, Joensuu, Finland

autor

Peiponen K. E.

• University of Joensuu, Department of Physics, P. O. Box 111, FIN-80101, Joensuu, Finland

autor

Avikainen M.

• Metso Paper, P.O. Box 587, FIN-40101, Jyväskylä, Finland

autor

Komulainen H.

• Metso Automation, Paper Automation Division, P.O. Box 231, FIN-87101, Kajaani, Finland

Bibliografia

• 1. A. Oksman, R. Silvennoinen, K.E. Peiponen, M. Avikainen, and H. Komulainen, “Reflectance study of compressed paper”, Appl. Spectr. 58, 481–485 (2004).
• 2. R. Silvennoinen, K.E. Peiponen, J. Räsänen, M. Sorjonen, E. Keränen, T. Eiju, K. Tenjimbayashi, and K. Matsuda, “Diffractive element in optical inspection of paper”, Opt. Eng. 37, 1482–1487 (1998).
• 3. M. Sorjonen, A. Jääskeläinen, K.E. Peiponen, and R. Silvennoinen, “On the assessment of the surface quality of black print paper by use of a diffractive optical-element-based sensor”, Meas. Sci. Technol. 11, N85–N88 (2000).
• 4. J. Palviainen, M. Sorjonen, R. Silvennoinen, and K.E. Peiponen, “Optical sensing of colour print paper by a diffractive optical element”, Meas. Sci. Technol. 13, N31–N37 (2002).
• 5. R. Silvennoinen, K.E. Peiponen, M. Sorjonen, J. Tornberg, and J. Sumén, “Diffractive optical sensing of the surface quality of coated paper”, Paperi ja Puu, Paper and Timber 83, 395–399 (2001).
• 6. A.V. Makarenko and I.A. Shaykevich, “Dependence of the whiteness of paper on surface roughness and illumination conditions”, Colour Res. Appl. 25, 170–175 (2000).
• 7. R. Silvennoinen, K.E. Peiponen, and T. Asakura, “Diffractive optical elements in materials inspection” in International Trends in Optics and Photonics, ICO IV, pp. 282–293, edited by T. Asakura, Springer, Heidelberg, 1999.
• 8. K. Creath and A. Morales, “Contact and noncontact profilers” in Optical Shop Testing, Second edition, p. 696, edited by D. Malacara, Wiley, Chichester, 1992.
• 9. K. Myller, R. Silvennoinen, and K.E. Peiponen, “Gloss inspection of metallic products by diffractive optical element based sensor,” Opto-Electron. Rev. 11, 35–38 (2003).
• 10. R. Silvennoinen, K. Myller, and K.E. Peiponen, “Two-dimensional map of gloss of plastics measured by a diffractive-element-based glossmeter”, Opt. Eng. 42, 3194–3197 (2003).
• 11. R. Silvennoinen, K. Myller, K.E. Peiponen, J. Salmi, and E.J. Pääkkönen, “Diffractive optical sensor for gloss differences of injection molded plastic products”, Sensors and Actuators A112, 74–79 (2004).