Figure 5
From: Quality evaluation of virtual slides using methods based on comparing common image areas
Consecutive steps of using window when calculating measures from GLCM. (a) 3x3 window (yellow and red pixels) in initial position; measures calculated from GLCM for this window are than saved in corresponding matrix in the position denoted by red pixel; (b) Next position of the window; green pixel is a pixel for which measures have been saved and it is again taken for the calculations in the window; (c) Last position of the window; (d) Blue pixels denote positions for which measures were calculated.