Removing components touching phase in 3d volume
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Hi all
I have a 3d volume composed of tif files with three phases, namely particle phase, pore phase and a border phase. I would like to delete all particles touching the border phase. One slice looks something like this
and I would like to remove all the particles (2) that touch the outer border (1) within the whole 3d volume.
Any help would be greatly appreciated.
thanks
回答（2 个）
Sean de Wolski
2016-7-14
Use bwdist to get the distance from every pixel to the border (euclidean distance). Zero out any less than or equal to sqrt(2).
D = bwdist(I==phase1);
D(D<=(sqrt(2)+eps)) = 0;
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2016-7-14
2016-7-14
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