Original picture
final effect
1. Open the original image material and use the Topaz filter to sharpen it appropriately.
2. Press the letter "Q" to enter the quick mask state, then select the brush tool, the brush hardness is: 100, then enlarge the picture appropriately, and paint the character part red, as shown below. After painting, press "Q" to launch the quick mask status, at this time the background part will be selected.
