patch tool and healing brush tool

this is the original picture, u can see that the ocean is unclearly now i goona remove all the dirty spot on background of this picture

 using patch tool 

i select the fish and move to the clear spot and the effect will appear as below picture

the fish is gone. i do this on other dirty spot as well to remove and clean the background

 i also use healing brush tool to remove all the doted spot. press ALT and click a clear spot, and u can remove the dirty doted as well

i also use the tool to remove the title on top of the picture

after i remove it i create a text layer

so this is the picture as below

HSUEN TATT SIGNATURE