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Curvilinear Structure Enhancement and Detection in Geophysical Images

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3 Author(s)
Panagiotakis, C. ; Dept. of Commerce & Marketing, Technol. Educ. Inst. Crete, Ierapetra, Greece ; Kokinou, E. ; Sarris, A.

In this paper, we propose a method for automatic enhancement and identification of partial curvilinear structures. The accurate identification of line structures in geophysical images plays an important role in geophysical interpretation and the detection of subsurface structures. The method was applied on geophysical images in an effort to recognize the linear patterns of subsurface architectural structures that exist in archaeological sites. To our knowledge, the problem of identification of curvilinear structures in geophysical images for archaeological sites is faced for the first time. The method efficiently combines a rotation- and scale-invariant filter and a pixel-labeling method, providing a robust enhancement and detection of mostly line structures in 2-D grayscale images, respectively. Experimental results on real and synthetic images and comparison with existing methods in the literature indicated the reliable performance of the proposed scheme.

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:49 ,  Issue: 6 )