Solution of EPS image blur by latex insertion

Recently in use CTex Write an article , Periodicals require the use of inserted pictures eps Format , This format will make the generated pdf Clearer .
But use Acrobat Pro DC open jpg or png Format picture , And then export to eps Format , Insert into WinEdt, Still not clear , And the picture is spent .
The key is coming.
resolvent ： take jpg or png Format pictures into PPT in ,PPT Save as PDF, Then open the PDF, Crop according to image size , How you cut it ： edit PDF- More tools - Printing production - Set page box , Then adjust the up, down, left and right page margins . determine , Save it .
The final will be PDF Save as eps Format , Specific operation ： Click on the image - file - Export to - embedded PostScript
And then eps Put in WinEdt In the editor .
The end , And the flower ~~~~