[Poppler-bugs] [Bug 19831] New: White lines appear in B&W images within PDF

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19831

           Summary: White lines appear in B&W images within PDF
           Product: poppler
           Version: unspecified
          Platform: x86 (IA32)
               URL: http://www.ubuntupocketguide.com
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: keir.thomas at gmail.com


I'm the author of Ubuntu Pocket Guide and Reference, which is offered as a free
download at www.ubuntupocketguide.com. 

When viewed using a Poppler-backed PDF viewer (i.e. Evince), some of the images
in the book's PDF (v1-1) appear to be broken up by fine horizontal white lines.
See for example page #146 (PDF page numbering) of the book. I've attached a
screenshot from Ubuntu 8.10. 

According to Help -> About, the screenshot is taken using Poppler 0.8.7.

The PDF displays perfectly in all other PDF readers, whether Free Software or
proprietary. 

The book was outputted using Acrobat 9, and the image quality set to JPEG Low.
If you'd like to know any specifics about the outputting process then let me
know. 

If this is something that I'm doing wrong then please let me know and I'll fix
this issue on the next version.


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