If the file allows you can copy and paste.
It can be done easily with Acrobat but with Reader, like Michael says, you can only copy/paste.
I want to do it programatically not manually. so help me out
Can u please tell me where data of image is present in the pdf
is it in between stream and endstream of /subtype / image ??????
wat i have to do to convert this data in to image ? do i have to apply the filters or any thing else???
All information is availbale in the PDF Reference. You can post further questions in the forum 'Acrobat SDK'.