A New Method to Segment X-Ray Microtomography Images of Lamellar Titanium Alloy Based on Directional Filter Banks and Gray Level Gradient

  • Łukasz Jopek
  • Laurent Babout
  • Marcin Janaszewski
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7594)


This paper presents a method for segmentation of 2D texture images of titanium alloys. The procedure is fully automated and is able to find and recognize so-called α-colonies from the image. The algorithm combines nonsubsampled directional filter banks (NSDFB) from the contourlet transform and gradient gray-level value to recognize directional orientations of α-colony.


Titanium Alloy Local Orientation Laplacian Pyramid Directional Filter Lamellar Coloni 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Łukasz Jopek
    • 1
  • Laurent Babout
    • 1
  • Marcin Janaszewski
    • 1
    • 2
  1. 1.Institute of Applied Computer ScienceLodz University of TechnologyPoland
  2. 2.Division of Expert Systems & Artificial IntelligenceThe College of Computer SciencePoland

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