Step 2

Use the standard NIH Image Analyze procedures, set the scale option to pixels, and in the analysis options, check areas and the perimeters (and maybe some other measures too). Perform the analysis and export and save the list of measurements.

NIH Image

menu Analyze:

set scale: pixel

option: area, perimeter

 

 

export measurements

 

 

=> list of measurements

Start GRAIN SIZE ANALYSIS step 1 - step 2 - step 3 - step 4 - step 5