Original picture
final renderings
1. Open the photo (File-Open).
2. Select the blue channel in the channel control panel, "Adjust" menu, select "Levels" (or directly use the shortcut key "Ctrl + L" to call it up). Enter: 25, 0.75, 150 in the "Input Levels" three columns, and confirm. .
3. Select the green channel in the channel control panel, enter the "Image" - "Adjustment" menu, and select "Levels" (or directly use the shortcut key "Ctrl+L" to call it up). Enter: 40, 1.20, 220, confirmed.
4. Select the red channel in the channel control panel, enter the "Image" - "Adjustment" menu, select "Levels" (or directly use the shortcut key "Ctrl+L" to bring it up) and enter: 50, 1.30, 255, confirmed.
5. Select all RGB channels in the channel control panel, enter the "Image" - "Adjustment" menu, select "Brightness/Contrast" and adjust the contrast brightness -5, contrast +20, and confirm.
6. Select all RGB channels in the channel control panel, enter the "Image" - "Adjustment" menu, select "Hue/Saturation" (or directly call it up with the shortcut key "Ctrl+U"), adjust the saturation +15, and confirm.
This is the final effect, and the method is like this.
Everyone can adjust it according to their own situation.
final renderings