Shoot in black and white, select a photo you like, apply extreme contrast (curves), inverse the image, Gaussian blur it, inverse it some more, then fill in and paint in the image:
Made with Procreate and ipad:
Shoot in black and white, select a photo you like, apply extreme contrast (curves), inverse the image, Gaussian blur it, inverse it some more, then fill in and paint in the image:
Made with Procreate and ipad: