Look at the effect chart first:
The specific production steps are as follows:
1. Copy layer and go color
Select the picture you want to make, and copy the layer to get layer 1.
Ctrl+u, adjust the saturation to the left, and turn layer 1 to black and white. 2. Copy black and white layer reverse phase
Copy this black and white layer to get layer 2 and reverse it (ctrl+i).
PS turn the characters into lines to make sketch effects
PS to deal with the pictures as a sketch-hand effect
Photoshop turns a beautiful picture into a sketch effect tutorial
A tutorial on the method of making character photo-imitating drawing by Photoshop