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Blurry images when PDF is exported

Community Beginner ,
Apr 15, 2012

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I'm making a style guide and my images were drawn in Flash CS5.
When I export them to png they're 72 dpi and when I import them into InDesign, the images are fine and clear until I export it as a PDF.

I have other images that were collected from the internet and they're fine and also the images I scanned in are fine and clear as well.

The pdf is only for screen use.

How do I fix this?

(I'm using a Mac btw)
Thanks.

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Import and export, Performance

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Blurry images when PDF is exported

Community Beginner ,
Apr 15, 2012

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I'm making a style guide and my images were drawn in Flash CS5.
When I export them to png they're 72 dpi and when I import them into InDesign, the images are fine and clear until I export it as a PDF.

I have other images that were collected from the internet and they're fine and also the images I scanned in are fine and clear as well.

The pdf is only for screen use.

How do I fix this?

(I'm using a Mac btw)
Thanks.

TOPICS
Import and export, Performance

Views

80.7K

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Apr 15, 2012 0
LEGEND ,
Apr 16, 2012

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Blurry images in the PDF oftern indicate that the link was out of date or missing.

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Apr 16, 2012 1
Community Beginner ,
Apr 16, 2012

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I thought so too, but they're all linked properly, none's missing or out of date.

And this is the first time it has happened to me, so I'm kinda dumbfounded.

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Apr 16, 2012 0
LEGEND ,
Apr 16, 2012

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PNG can also be adversely affected by jpeg compression. Try exporting with no compression, or zip compression.

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Apr 16, 2012 4
Community Beginner ,
Apr 16, 2012

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Do you mean when I export it, change the compression settings of the images to "do not downsample"?
If so, I've tried that and it still doesn't make the images clear.

I've also tried exporting the images from flash as .gif and .jpeg

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Apr 16, 2012 1
LEGEND ,
Apr 16, 2012

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I mean during export that you change the compression method. It's pretty unlikley that your .pngs are being downsampled, but the compression settings are separate and apply whether there is downsampling or not.

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Apr 16, 2012 2
Community Beginner ,
Apr 16, 2012

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Still not clear

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Apr 16, 2012 0
LEGEND ,
Apr 16, 2012

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What version of ID are you using? Are you exporting to PDF (Print), in which case the compression settings are in a dropdown under the downsample fields, or are you exporting to PDF (Interactive), in which case it seems you have no option for anything other than jpeg compression?

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Apr 16, 2012 0
Community Beginner ,
Apr 16, 2012

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I'm using ID CS5, exporting it as Print (press quality),  all bicubic downsampling 300 for images above 450, compression: no.
And it's still blurry.

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Apr 16, 2012 0
LEGEND ,
Apr 16, 2012

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I'm out of ideas. maybe someone who has used a similar workflow has some thoughts.

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Apr 16, 2012 0
Community Beginner ,
Apr 16, 2012

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Okay, thanks though.

Does anyone else have any ideas on how to fix this?

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Apr 16, 2012 0
Valorous Hero ,
Apr 16, 2012

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A sample pub would be nice. Linked images so they can be looked at as well. Zip the sample, put up on yousendit.com or dropbox.com and post a link.

Take care, Mike

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Apr 16, 2012 0
Community Beginner ,
Apr 16, 2012

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https://rapidshare.com/files/971179670/SBS_files.zip

I've only included a page so that the file would be smaller.
There's the ID 5/IDML + PDF + image.

Thanks.

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Apr 16, 2012 0
LEGEND ,
Apr 16, 2012

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I think your expectations are too high. Your 72 ppi image has jagged edges, and they show. That's the way it is with 72ppi images.

I would make one recommendation, though, as far as changing settings. Use the High Quality Print preset rather than Press Quality as the basis for your export (compression seems to make no difference in image quality, but I'd change the methos to Zip for this to keep the file size down and not alter the image quality at all). Press Quality converts your color to CMYK, HQP leaves it unchanged and it looks a bit better.

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Apr 16, 2012 1
Valorous Hero ,
Apr 17, 2012

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And you will get a better on-screen representation if you do not alter the graphic's aspect. You've stretched the image to fit the space. The screen shot is your PDF and mine. The left one is mine, the right bear is yours. Both are inside Acrobat and displaying at 100%.

bear_shit.png

Take care, Mike

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Apr 17, 2012 0
Community Beginner ,
Apr 17, 2012

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Oh, I didn't strectch it though, I only changed the frame so that it looked more neat.
I'm still trying to figure this out, but thanks!

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Apr 17, 2012 0
Community Beginner ,
Apr 17, 2012

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So I tried changing it to a higher dpi when I exported it from Flash. It looks a bit jagged when it's at 100%, but it's better than the 72dpi in full scren.
Thanks for your help!

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Apr 17, 2012 0
New Here ,
Jul 04, 2017

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A few years later...I had this issue just today if I understand this thread correctly.

My issue was that I was saving a pdf from illustrator, but the PDF was showing the vectors blurry.

The solution for me was in the preferences of Adobe Acrobat itself, not illustrator.

Acrobat > Preferences > Page Display tab (in the right side options panel) > Check "Smooth Line Art" and "Smooth Images"

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Jul 04, 2017 0
Community Beginner ,
Oct 22, 2017

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I fixed this by using a higher resolution setting when exporting to pdf from InDesign. 

I used the High Print Quality preset for exporting to pdf.  Then I reduced the file size in Adobe Acrobat.  (Yes, I know that there is probably a setting in InDesign that will work, but some times you just need to get stuff done!)  The file size was not as small as the smallest file size setting but it was ok.

If I still was not satisfied with the result, then I would update the image in the pdf file with the original one using Adobe Acrobat.  (This works because I only had a few images in the document that were coming over blurry but probably not a good approach if there are a lot of images.)

So, these three workarounds netted me a result of job done without having to deal with blurry (or partially blurry) images in my pdf file.

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Oct 22, 2017 2
New Here ,
Nov 06, 2019

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This just happened to me. and I FIXED IT...I edited my image in photoshop and made it a smart object. Once it was a smart object, i replaced image in InDesign and saved as a pdf - blurry went away.

 

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Nov 06, 2019 0