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> On 22 Feb 2017, at 22:12, karl@××××××××.se wrote: |
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> Thelma: |
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>> I have scaned pdf file (88-page) 23MB in size (downloaded this way). |
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>> Trying to reduce the size of the file I [...] |
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> Why don't you extract the images with pdfimages from the pdf and |
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> compress them with xv or convert (imagemagic) and maybe gimp can |
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> comress them also. Don't know how to get them back into a pdf though. |
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+1 |
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I do this regularly. |
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Documents scanned with the Google Drive application on my phone store jpeg images in a PDF (if you OCR in Google Drive or Docs it adds text). |
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Extracting from PDFs produced by my solicitor's document system results in some weird bitmaps with inverted colours, but I assume these are the exception rather than the rule. I would love to hear about it if anyone else has similar problems. |
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If you have jpeg, bmp, tiff &/or png images then Gimp's "save for web" feature is wonderful. You can also enhance images by using the "colour levels" tool first - select the white pipette and click on the whitest area of the paper, then select the black pipette and click on the thickest part of the blackest printer letter character. |
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Stroller. |
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