[poppler] frazzled output of pdftoppm

[suzuki toshiya]

Hi,

I guess your data would be a PDF including a monochrome (bi-level)
image and OCR-ed text (drawn by with transparent font). If you
want to extract a monochrome image, please try pdfimage which simply
extract the image from the PDF.

However, it is just only for the cases that the visible object
in a page is only single image; if pdfimage is executed for
a PDF including multiple images in a page, like an photo-album,
the component images are extracted, not a composed image).

Regards,
mpsuzuki

Günther Sarkow wrote:
> Hi,
>  
> i am not familiar with computer graphics, but pdftoppm is used in a 
> program which behaves strange to me. I want to convert pages from a 
> black and white pdf with pdftoppm to pbm files. This works, however, the 
> output looks frazzled. This is the original (page 1) and the converted 
> (page 2) image. http://www.loaditup.de/files/817245_gcstsh3wuy.pdf
> I used -mono and -r 300
> Is there a possibility to get the output looking the same as the input?
> I have seen the posting
> https://bugs.freedesktop.org/attachment.cgi?id=86277&action=edit
> but this code does not seem to have been integrated and i am not sure 
> whether this would help in my case.
> Could someone please help me?
>  
> Thanks,
>  
> Femi
> 
> 
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