How to detect arrows after finding intersection point?

hoang anh tuan
118 ●5 ●8 ●15

Hi all,

I have a problem when detecting arrow head. I find intersection point (red circle in image) but i have no idea for next step.

image description

Some noise:

image description

My new idea is find all direction from this point and check for abnormalities for each direction. (I don't know how to do it)

Thank everyone!

Comments

maybe you need to explain, what you're currently doing to find the intersection / show your code ?

berak ( 2018-12-25 05:19:17 -0600 )edit

i want to find/detect arrows (firstly, find arrow head). I used corner finding function (opencv as harris, MinEigenVal)) to find the intersection

hoang anh tuan ( 2018-12-25 06:10:50 -0600 )edit

noone helps me :(

hoang anh tuan ( 2018-12-26 22:43:39 -0600 )edit

^^ then you have to edit your question, and make it more interesting to the community ;)

berak ( 2018-12-28 09:47:50 -0600 )edit