How is the Erase tool in FineReader PDF 15 designed to work?
The Erase tool in the PDF Editor deletes the selected part of an image in a document, automatically selecting the appropriate background color to fill in the empty space.
For example, a selected part of an image you need to erase is in dark blue color as in the screenshot:
It will be erased and filled in with the dark blue color as illustrated below:
The Eraser tool in the OCR Editor erases the part of an image with the same principle by selecting the appropriate background color to fill in the empty space.