Use: Count closed shapes on coloring book pages or other images

Notes:

• Python 2.7 requirement is primarily due to printing without parentheses
• Please cite rocketOC if you use or inspired by the code.
• Narrow lines may cause bad results because of isofilter, wich can be excluded in many cases

Performance (not primary objective):

• v0, biophilia2.png, 28 seconds
• v1, biophilia2.png, 22 seconds

About biophilia.png

• The biophilia2 image was taken from https://www.reddit.com/r/Art/comments/6uvx6o/biophilia_i_hand_cut_paper_21x30cm/