Original picture
1. Click "Create New Fill or Adjustment Layer" in the Layer Panel, select "Channel Mixer", and set it as follows:
2. Click "Create New Fill or Adjustment Layer" in the Layers Panel, select "Hue/Saturation", and set it as follows:
3. Click "Create New Fill or Adjustment Layer" in the Layers Panel, select "Brightness/Contrast", and set as follows:
4. Create a new layer 1, and then stamp the layer (Note: Stamping the layer is to merge the effects we have adjusted into one layer separately. The method of execution is to select layer 1 and then press Ctrl+Shinft+Alt +E). Then duplicate the background layer, adjust it to the top of layer 1, then add a layer mask and use a brush to highlight the characters.
5. Merge all layers to get the first effect:
Second method:
6. Open the original image, click "Create New Fill or Adjustment Layer" in the Layer Panel, select "Channel Mixer", and set it as follows:
7. Click "Create New Fill or Adjustment Layer" in the Layers Panel, select "Color Balance", and set as follows:
8. Create a new layer 1, and then stamp the layer (Note: Stamping the layer is to merge the effects we have adjusted into one layer separately. The method of execution is to select layer 1 and then press Ctrl+Shinft+Alt +E).
9. Then copy the background layer, adjust it to the top of layer 1, then add a layer mask, and use a brush to highlight the characters.
The second effect: