processing

toGrayscale()

threshold(t = 127)

median3x3()

kDilate5x5(_5x5iso)

kErode5x5(_5x5iso)

open5x5(_5x5iso)

close5x5(_5x5iso)

findEdges()

analysis

findAllCorners()

getConnectedComponents()

visualize labeled regions

getAllRegionCentroids(t = 40)

interpretation

getRegionPerimeter()

getBoundingBox()