Use the software shortcut CTRL+J to copy an identical layer.
Use the software shortcut CTRL+SHIFT+U to delete the color in the picture. After the decoloration, we found that the color changed to black and white. At this time, use the shortcut key CTRL+J to copy a layer.
The shortcut key CTRL+I reverses the picture.
Filter-Other-Minimum value, set to 1 pixel; Click Layer Blend and click "Color Fade".
Finally, the shortcut key CTRL+SHIFT+S is saved in jpg format, and a simple hand-drawn drawing will come out.