1. First open the PS software of the computer, then import the fuzzy file that needs to be modified, as shown in the figure below, and then go to the next step.
2. Second, press Ctrl on the keyboard.
? +L Adjust the level command, select the first straw tool above to absorb the text part of the file, select the third straw tool to select the white paper part, as shown in the figure below, and then enter the next step. ?
3. then, Ctrl+
? J Copy the layer, then select the filter option on the menu bar, and then select the other under the drop-down high contrast reservation, as shown in the figure below, and then go to the next step.
4. Then in high contrast saving, set the corresponding values as needed, select 2 here and click OK, as shown in the figure below, and then go to the next step.
5. Then select the mode on the layer panel and change it to linear light, as shown in the figure below, and then proceed to the next step.
6. Finally, the effect of clearing the image is obtained, as shown in the figure below. ?