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.. so I think I should take this opportunity to say it....
I am trying to write some shape operations.
By shape I mean polygon whose side are bezier curve (instead of simple straight lines).
And by operations I means like finding the outline of a random shape, or removing one shape from an other.
You bet it is - a fun personal project I have been working on is taking a hand drawing of rectangles and circles and converting it to a shape map, identifying circles and rectangles. This was after a colleague mentioned that it would be great if we could take hand-drawn diagrams and convert them to the diagrams our software generates.
There a a few articles online regarding blob detection that help, but like you say - it's hard.
I am no artist and my hand-drawn circles are painful to see but I have managed to distinguish between circles and rectangles and interestingly enough I did not use the commonly suggested method for determining whether a shape is a circle.
“That which can be asserted without evidence, can be dismissed without evidence.”
You can leave Australia now! If you can't spell and pronounce Maths you can move in with Maunder.
"I controlled my laughter and simple said "No,I am very busy,so I can't write any code for you". The moment they heard this all the smiling face turned into a sad looking face and one of them farted. So I had to leave the place as soon as possible." - Mr.Prakash One Fine Saturday. 24/04/2004