A new method to segment x-ray microtomography images of lamellar titanium alloy based on directional filter banks and gray level gradient

Authors:
Łukasz Jopek;Laurent Babout;Marcin Janaszewski
Affiliations:
Institute of Applied Computer Science, Lodz University of Technology, Poland;Institute of Applied Computer Science, Lodz University of Technology, Poland;Institute of Applied Computer Science, Lodz University of Technology, Poland,Division of Expert Systems & Artificial Intelligence, The College of Computer Science, Poland
Venue:
ICCVG'12 Proceedings of the 2012 international conference on Computer Vision and Graphics
Year:
2012

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Abstract

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.