how to read a pdf file and convert to image file ?

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priya
priya 2015-2-26
回答： Stefanie Schwarz 2021-1-5
i want read a pdf file using matlab and want to convert it to image file(jpeg)
can i use open(filename)for opening and saveas for converting pdf to image

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回答（2 个）

Stefanie Schwarz
Stefanie Schwarz 2021-1-5
There is a way to import a PDF as image in MATLAB by making use of the Apache PDFBox library that we ship. Please see the following post for the code:
https://www.mathworks.com/matlabcentral/answers/709623-how-can-i-convert-a-scanned-pdf-to-an-image-using-matlab
Stephen23
Stephen23 2015-2-26
  2 个评论
Massimo Ciacci
Massimo Ciacci 2020-3-12
编辑：Massimo Ciacci 2020-3-12
I'm also searching for this since an hour now. So far I cound not find any solution to this. The link suggested above is a dead end, even 5 years later.
I considered ImageMagick command line but I could not even get that one to work, I'm a noob when it comes to mingw and cygwin...
Stephen23
Stephen23 2020-3-13
编辑：Stephen23 2020-3-14
"So far I cound not find any solution to this."
Did you try extractfiletext as mizuki suggested?
There is no general solution to extracting data from a PDF. The link clearly explains why.
"The link suggested above is a dead end, even 5 years later."
In fact using PDFs is a dead-end. They are not a data-exchange format. You might have some luck with OCR.

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