here are my settings (i really dont know how to use nodes properly… found this on accident…)
couldnt find a good noding tut so i just explore xD
just felt i should share this… sorta interesting imo.
yes, kirsch does excellent edge detect. Neat isn’t t - and it can be applied to a whole video!
in the future, make sure you show the lines and how the nodes string together.
Yes, please re-post to show the connections.
If possible post a blend file with the nodesetup since that is the best way to learn 
Aw, c’mon guys. This one’s easy I reckon…
Have a close look at the node setup. There’s only 4 nodes that have anything to do with us…
- Render Layer
- RGB Curves
- Kirsch Filter
- Composite
And that’s it. Most of the junk there is just that. Junk.
All you have to do is connect
RenderLayer “Image” output ------> RGB Curves “Image” input
RGB Curves “Image” output -------> Kirsch Filter “Image” input
Kirsch Filter “Image” output -------> Composite “Image” input.
The thing everyone’s missing is that the RGB curves node has been changed not just on the C channel, but also on the R and G channels. R+G = Yellow…
The RGB Curves C channel looks like the RGB curves node shown in the top of the image, while both the R and the G channels look like either of the other two curves (but they must be pretty much identical, otherwise a R or G or B shift is seen to the yellow)
Here you all go: http://www.savefile.com/files/1224773