The characters in the photo are blurred, mainly because the focus is not accurate. If you sharpen the image directly with the USM filter, you cannot identify the true contour of the image, but only by recognizing the contrast between pixels, so you need a channel to help you! 1. 2
1. Activate the channel panel and observe the three RGB channels. It is found that the red channel has rich information and high quality, and the red channel is used to work. Copy the red channel to the red channel copy. Execute the filter-stylized-illuminating the edge, Parameters
2. Perform Gaussian blur on the red-channel copy,
3. Adjust the red-channel copy by using the level command, Parameters
4. Set the foreground color to black. select a suitable brush tool to remove unnecessary sharpening parts, such as the Vision.
5. The selection area has been made, and then the red copy channel is loaded as the selection area, return to the layer panel, copy the background layer, and do not cancel the selection area. Execute the filter-art effect-painting, Parameters
6. Copy background copy as background copy 1, Move background copy 1 under background copy, change transparency of background copy 1 to 30%, and change background copy to filter, the purpose is to slightly fine-tune the screen