Fractal Analysis of Laplacian Pyramidal Filters Applied to Segmentation of Soil Images

Table 1

Range of porosity values.

Unconsolidated deposits	Porosity	Rocks	Porosity
Gravel	0.25–0.40	Fractured basalt	0.05–0.50
Sand	0.25–0.50	Karst limestone	0.05–0.50
Silt	0.35–0.50	Sandstone	0.05–0.30
Clay	0.40–0.70	Limestone, dolomite	0.00–0.20
		Shale	0.00–0.10
		Fractured crystalline rock	0.00–0.10
		Dense crystalline rock	0.00–0.05