http://diversions.lan/home/pi/2016-10-13/P1018918.webm
#t=00:03:18

http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/avedon_at-_work_dec08_2.jpg
http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/avedon_IMG_7616s.jpg-780x513.jpeg

http://diversions.lan/pad/p/different_orders_friday

http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/id-lace-2-g.jpg
http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/id-lace-2.jpeg

http://docs.opencv.org/trunk/d1/dc5/tutorial_background_subtraction.html

Gimp: Foreground Select Tool
two stages: first you use the lasso tool to select a large area that contains the object, second stage is a pen with which you can select vaguely the outlines of the object. then becomes a selection

http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/eMuseumPlus.jpeg

http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/eMuseumPlus-masked.jpeg

http://diversions.lan/home/pi/projects/Differences_that_matter/Intro/SAM6211.JPG

Gimp->Filters->Python Fu->Console

http://www.mim.be/hajhouj?from_i_m=1