I tried Torn edges, but my results are noticeably different from these pictures
Answer
From original image – yeah, don’t ask 😉
Add adjustment layer – Threshold
Flatten result.
Add layer mask [reveal all].
Select all, copy, alt/click mask, paste.
Invert. This should leave the black but make all the white transparent.
Add new layer, drop it behind.
Use paint bucket with flat purple.
Filter > Noise > Add Noise
result…
Attribution
Source : Link , Question Author : arcum23 , Answer Author : Tetsujin