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Find branching points in traces of glowing particles

Hey there, I have a lot of photos in which I am using an angle grinder on a piece of metal. The room was dark and I shot the photos with a couple of seconds of exposure. Therefore I have a lot "light traces" flying through the room with a very high contrast to the background.

These particles tend to split after a certain distance and I would like to make opencv to recognize these splitting points and give me the pixel position.

I have very little to no experience in using opencv so rather detailed explanations would be welcome.

Find branching points in traces of glowing particles

Hey there, I have a lot of photos in which I am using an angle grinder on a piece of metal. The room was dark and I shot the photos with a couple of seconds of exposure. Therefore I have a lot "light traces" flying through the room with a very high contrast to the background.

These particles tend to split after a certain distance and I would like to make opencv to recognize these splitting points and give me the pixel position.

I have very little to no experience in using opencv so rather detailed explanations would be welcome.

I added a picture which hopefully be helpfull.There you can see one of those branching points, I would like to detect with opencv. image description