GIMP has a strong "go back / go figure / object to" plug-in – 「Resynthesizer / Heal-Selection」，Often see interesting effects just like retouching photos Mobile01，The characters removed。Use very simple，Probably just going to deal with the drawing objects，Then select "Filter" - "mapping" - "Resynthesizer"，Will automatically help you to get rid of the items，And the effect quite stick。The figure below shows the results of capture on GIMP forum for reference。
Installation follows：
◎ to "Gimp-Forum.net"Download plug-in file compression。
◎ Copy the unzipped files to the following path：
C:\Users\"yourname"\AppData\Roaming\GIMP\2.10\plug-ins
◎ open GIMP，Each filter effects can be found in the following locations：
"Filter" - "mapping" - "Resynthesizer"
"Filter" - "improvement" - "Heal-Selection"
【參考連結】
