- Delarue A., Jeulin D. (2003) 3D Morphological Analysis Of Composite Materials With Aggregates Of Spherical Inclusions. Image Anal Stereol (RG link: Article 3D morphological analysis of composite materials with aggreg...
)
- Peyrega C., Jeulin D. et al. (2011) 3D Morphological Characterization Of Phonic Insulation Fibrous Media. Adv Eng Mater (RG link: Article 3D Morphological Characterization of Phonic Insulation Fibrous Media
),
and the cited references.
The covariance function is a probability as a function of a distance or vector h. It is often directional, using convolution and pixel counting (or voxel in 3D).
If you need more information and/or codes, do not hesitate to contact me.