Photoshop quickly turns character pictures into black and white sketch (1)

There are many ways to sketch characters. The following methods are the most common and quick. General process: first de-color the photo, and then use some filters to make a color-like sketch texture, and then change the layer blending mode to get the desired effect.
Source image
 
Final result 1
 
Final result 2
1. Open the source image and press Ctrl + shift.
+ U de-color, and then copy the background layer to a layer.
 
2. Press Ctrl + I to reverse the background copy, and change the mixed layer mode to "color fade ".
3. Execute: Filter> others> Minimum value. The value is 1-2 pixels.

 

4. Click the layer style button under the layer panel to add a layer style and select "mixed options ". Select the gray color in the mixed color band, hold down the alt keyboard, and drag the right half of the dark slider on the next layer to the appropriate position.
5. Create a new layer, fill in the white area, mask the layer, and use a black paint brush to erase the character part. Merge all layers to complete the final effect.
 
Final effect:
 
If you do not remove the color, you can obtain the color line drawing: