@holomorphic
@lemmy.worldDepends on the kind of blur. Some kinds can indeed be almost perfectly removed if you know the used blurring function, others are destructive. But, yes, don't take that chance. Always delete/paint over sensitive information.
Source: we had to do just that in a course I took a long time ago.
It may have nothing to do with categorization, but has everything to do with categorification which is much more interresting anyway.
Mir hei zum glück üses jährleche alpweekend vo letscht Wuche no chönne uf Disi schiebe. :)
Di letschte drü Täg isch ja eigentlech sehr guet gsi, und ih dene paar Stund wo gwitteret hett, heimer zumindescht äh sehr schöni Ussicht gha.
Mit em Dampfschiff übere See "Lue Tini, hesch das Schloss dert gseh?" D Muetter fragt, i bi drüjährig gsy "Lue Muetter, ds Schloss isch gäng no hie!"
Oberhofe am Thunersee! I dänke zrügg, s′ tuet guet, s tuet weh "Oberhofe!" mir lege aa U i der Täsche vo der Muetter het's Schoggola!