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Tracking light objets. Help!

Nov 22 2010 | 10:59 pm

Hi all,
i’m trying to sense with a webcam of a laser light movement on a wall
i’m using the [jit.findbounds] object for tracking light
Someone know of better objets (or external, etc.) to solve it?

Thank you very much!


Nov 23 2010 | 4:55 am

Check out my example here:

also check out the cv.jit suite of object available here:

Nov 24 2010 | 9:46 pm

Hi laserpilot,
Thank you! Very interesting patch! i’m studing a lot.

A question relating to the object: [jit.op @op >= >= >= >= @val 0.]
What are the differences between to use 4 equal operators (multi op) , or to use only one?

[jit.op @op >= >= >= >= @val 0.] or [jit.op @op >= @val 0.]

for me, the result would be the same in both cases

Thank again!

Nov 24 2010 | 10:17 pm

I forget my original reasoning for that since that project is a couple years old now. I think it was just reassuring me that I’m doing it for all of the color channels ARGB. In other cases you would use 4 different operators to do different things on the color channels, but in this case since they’re all the same it doesn’t really matter.

Nov 26 2010 | 12:18 am

Thank laserpilot ;)

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