OK; sharing the secret sauce. This one's just the simple steps; you can play to adjust results as you like.
ref:
http://www.fontplay.com/freephotos/imag ... o-1566.jpgFirst I do an adaptive edge to create a mask; did clean up areas that I don't want the effect to apply (shadow areas mainly).
Attachment:
adaptive edge.png [ 21.43 KiB | Viewed 3507 times ]
I then invert this layer for the mask and apply it to original (not showing this step).
Took this result and fed it to G'MIC Solidify
Attachment:
solidify.png [ 205.56 KiB | Viewed 3507 times ]
I then play with GIMP's Neon edge for the actual Kirlian result:
Attachment:
neon.png [ 621.5 KiB | Viewed 3507 times ]