Hello,
I am using iText to parse text from PDF files. I found that some text are
returned but are not visible.
For example, I got
* “financial derivative” , which does exist on the page
* “FINANCIAL DERIVATIVE” which is visible, but still returned by iText.
In addition, they are not selectable by Adobe acrobat or Foxit.
Does iText has a way to differentiate visible/invisible text? Or does the PDF
format has any specification relating to this?
Feng
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