In-house MATLAB Interface for thin section image segmentation.

The results obtained include porosity, the distribution of surface area, and the distribution of aspect ratio of sample 1G.</p

Fig 9 -

(1) Original and (2) segmented FIB-SEM images where the black colors show the pores and white colors reveal grains. FIB-SEM images of the studied samples. (A) sample 1G, (B) sample 2R, (C) sample 4M, and (D) sample 5W.</p

A MATLAB user-manual software for image processing.

A MATLAB user-manual software for image processing.</p

2D vertical cross section from 3D CT-scan of sample 3R.

(A) original grey level image, (B) original image illustrated using jet color bar.</p

Quantifications of porosity from the TS along with surface area mean and aspect ratio at magnification 10x, for corresponding helium porosity values see Table 2.

Quantifications of porosity from the TS along with surface area mean and aspect ratio at magnification 10x, for corresponding helium porosity values see Table 2.</p

Fig 4 -

Optical photomicrographs at plain polarized light (PPL) showing the intergranular (between micritized grain) and intragranular (within micritized grain) porosities at different magnifications of (A) 2x, (B) 4x, and (C) 10x.</p

Porosity, bulk volume, and horizontal permeability equations along with their descriptions.

Porosity, bulk volume, and horizontal permeability equations along with their descriptions.</p

A thin section image representing rudstone sample (2R).

A thin section image representing rudstone sample (2R).</p