Step 1: Open the picture with lace border, and double-click the layer to unlock it.

Step 2: Select the rectangular box selection tool to make a selection slightly smaller than the picture, as shown in the following figure:

Step 3: Press the Q key to enter the quick mask.

Step 4: Filter the glass. Set the parameters as follows:

The effect is as follows:

Step 5: ctrl+f uses the filter again.

Step 6: Filter-Sharpen-Sharpen, ctrl+f Sharpen several times, one * * * Sharpen seven times.