Table 1: Rock sample image information.

NumberRock typeImage resolution
μm/pixel
Size/pixelPorosityNumber of computational elements
MatrixPore

B1Berea sandstone5.345400319.65%64283601571640
C1Carbonate3.314400317.12%66301761369824
MS1Synthetic sandstone2.055300334.86%21984731176527
S5Sandstone from Shengli Oilfield, China2.51400312.11%7031198968802
S6Sandstone from Shengli Oilfield, China5.01200340.34%47726563227344