found a meme. made it more accurate

better version of https://lemmy.world/post/13004571
made using gimp

64 points · 6 comments · view on lemmy.world

6 Comments

yboutros@infosec.pub · 10 pts · 1y (1 reply)

Laplacian Edge detection? beautiful meme

rain_worl@lemmy.world · 4 pts · 1y

it is derivative with respect to x only.

rain_worl@lemmy.world · 4 pts · 1y (1 reply)

perhaps the reason f only takes one argument is because it is a tv(-like) signal

itslilith@lemmy.blahaj.zone · 5 pts · 1y

clearly, x is a vector, and ' denotes a gradient

VintageGenious@sh.itjust.works · 1 pts · 1y (1 reply)

Convolutions ?

rain_worl@lemmy.world · 0 pts · 1y

yup! but in an indirect way, it was done by duplicating the layer, setting it to grain extract, and shifting it.