Populate the scrapped output in Window for Correction

I have a process where in I am scrapping data from Scanned PDF and Images , some time scrapping result is fine and some times , it may not.So to avoid the error I have built some confidence validations.

My challenge is that if confidence validation failed then-
1- the queue item to be assigned to manual users
2- who should be able to popup the scrapping result and do corrections.
3- Push the Item back to the queue

Please suggest the steps to do above 3 steps.