Losing vector image quality in PDF

I have created designs in PS using vectors which were all hi res, when saving to PDF the images are all terrible quality- except the script that I have added which remains crystal clear. I have gone back and checked the saved resolution and it was fine. Any suggestions?

Photoshop rasterizes PDFs when opening them. Try saving to PSD or TIFF formats instead.

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Poor image quality in pdf for Aperture book

Can anyone tell me how to retain the quality of original images when I export to PDF for book production in Aperture?
I am trying to produce a book with 11 pages, in large soft back format. Most of the images are black and white, and all are PNGs. Individual files size are typically 12MB - 20MB, and the longer side of the images is mostly over 5000 pixels. They all look very clean and crisp full screen in Aperture, and there are no warning triangles in the page make-ups to highlight any instances of poor resolution.
I’m producing the PDF, via ‘Print’ > ‘Save as PDF’. The resulting file is 2.6MB.
Viewed in Preview, some of the images in the PDF superficially appear to be OK. Some are not - and are very indistinct. Zooming in on the images in Preview shows that very few are useable.
I produced a colour book, with larger pages last year and was very happy with both the PDF and the finished book in print. Some example file sizes from that one were: 15.3MB (3950x2633) and 9.30MB (2880x 1920).
I had expected the black and white images to work even better.
What am I doing wrong here?
I'm using Aperture 3.2.1 on a MacBook Pro running 10.6.8.

I just remade the same book - as a test - in the extra large hardback format (ie. the one I used for the previous publication, last year).
This time, the pictures are fine. The images appear to be the same quality in the PDF as the originals - much, much better. The size of the file has increased massively too > up from just 2.6MB to 52.8MB.
So does the books production function work well only with the biggest, most expensive option?
I'd really appreciate some feedback from anyone who's tried the different sizes, and preferably some brilliant ideas to make them all work equally well.

Image quality with PDF gallery pages

Hello,
I'm a bit disappointed in the quality of the artwork in the PDFs that I create with Bridge output. They're very pixelated. My original artwork is just vector EPS files. Why can't Bridge create vector output in the PDFs? I chose the highest quality in the settings there.
Thanks,
Peter

Why can't Bridge create vector output in the PDFs?
It seems an old problem:
also check this older thread and some other links in that thread. Maybe even drop a feature request.

Image quality in PDF files

Hi. I add images to pdf files all the time and I have a question about them. The image quality seems to be bad in certain situations. For example I added a 501x483 72dpi gif image to a 1190x1684 pdf file. It looks great at 75% zoom but really jagged at 100% zoom. Why is it like this? Shouldn't it be same as the original image file at 100% zoom?
I'd really appreciate any guidance about making images look better in pdf files.

Hi
Thanks for the responses. I tried Print to PDF. In that images look better although they are little distorted. However, I cannot use print because the Table of Contents prepared in Word does not work when we use Print. Secondly, the PDF file size becomes too large when using Print to PDF.
While directly creating PDF from word using Acrobat, I changed settings for Images (in Preferences) turning downsampling off after changing it to 1800 pixels but that did not help either. Is there anything I am missing out or Is there any other resolution?
Else is there any setting in PDF so that after conversion we can show the images more clearly, maybe if someone hovers over the image it becomes big or clicking on it makes it look bigger.
Looking forward to make this problem resolve.
Thanks

Horribe image quality in PDF

Hello,
my problem is very simple.
The quality of the image of my PDF is really horrible.
I need to have a PDF file because in order to print a magazine, that's the file that I need.
So I converted my picture:
http://image.noelshack.com/fichiers/2013/09/1362170332-2.png
Good quality for now.
Then, when I convert it PDF with Adobe Acrobat XI,
the result is very blurry, I tried to print it, very very bad quality ...
Is there any solution to keep the quality as good as it was?
(by the way, my image was a .png )
Thanks to the person who'll help me!

The relative quality of any bitmap file after conversion to PDF depends entirely on the conversion settings you used. A lossless PNG file could be compressed to a super-low-quality JPEG or kept visually identical with lossless JPEG2000 compression depending on how and where the PDF is made.
As your screenshot shows the image within a page of text, I assume you're creating the PDF from another application - in which case the export settings will control everything. If you convert an isolated image file to PDF with drag-drop or the Create.. button on the Acrobat toolbar, the settings are defined by Preferences > Convert to PDF > PNG and default to "JPEG medium".

Poor Image quality upon PDF export

hi,
issue: images lose quality when viewed in PDFs
i've searched/read these and other forums for the past few days and have tried just about every suggestion out there in order to get better quality images in my PDFs and nothing works.. it's as if everyone is talking some theory without actually testing/proving what they're saying.
are pdfs inherently bad at handling raster images?
i have a few 800x1200 px renders (tiffs/jpgs) that i'd like to include in a PDF.. i'm using A4 landscape orientation because when viewed at full size on a 24" monitor, it's the size i'd like it to be (i'm not concerned with printing this pdf.. monitor only)
the images when view full size in the pdf are a bit smaller than viewing the original images full size however, the quality is a lot worse.
honestly, i'll try or retry your suggestions but at this point, i'm more/less looking for an explanation as to why this happens because from what i can tell, it's going to happen no matter what
gracias

PeterBreis0807 wrote:
Not sure what you are expecting.
well, i'm certainly expecting better quality than what i'm getting..
The jpg is contrasty and it is lower resolution than you need, but you did say that above. Which means I am not looking at what you are looking at.
The color space is srgb and the conversion from the tiff would have reduced the quality a little or a lot depending on your settings.
it doesn't matter if i use the original tiff or the jpg.. for all intents and purposes, let's forget i even have the tiff.. the jpg should look the same in the pdf (imo)
Did you print to pdf or Export? If you exported, did you use "Best" as your setting.
i've done all sort of methods.. but yeah, always at highest quality if said method allows such settings..
It has lost some contrast and is a little blurry. It looks to my eye like the degradation you get from setting the jpeg quality a little low.
well, no.. it has gone from something that is in focus to something that is out of focus.. if i open the jpg in photoshop and do a 'save as' jpg with the quality set to 3 (with 12 being best), i will get similar results as putting the jpg in a pdf.. (albeit, a different type of quality loss but just as bad)
you've seen the comparison but just in case someone else wants to look, check here:
http://homepage.mac.com/jeffhammond/Sites/imgs/origVSpdf.jpg
that's a screenshot showing the jpg on the right and the pdf output on the left (both viewed in preview)..
it's unacceptable.. but like i said earlier, i think this is an inherent aspect of pdfs and i'd settle for a decent explanation as to why it happens..
OSX has some very smart frameworks built in, which do make bitmaps displayed on screen in Cocoa apps look better than they should. Not exactly helpful if you simply want to see it unenhanced.
but still, if that's the case, why isn't osx doing the same thing to the pdf.. (and also, i highly doubt the actual quality of the image is being shown in the pdf but when i view the jpg, i'm being shown an enhanced view to the point of making an out-of-focus image being an in focus image.
jeff

Image quality in PDF output

When my iBook is exported to PDF or Print/Save as PDF several images have very degraded image quality. The same image prints well from pages. Any suggestions/ideas?

The same image printed from Pages looks fine.
I've inserted PDF, png, jpg (will probably try TIF/GIF next) all display the same degradation.
When a JPG is inserted as the Chapter intro image in iBooksAuthor it looks fine/much better.

Converting from .xls to .xlsx without losing jpeg image quality

I am trying to covert .xls to .xlsx. But I have a lot of jpegs in my .xls and I notice the image quality of the original jpegs is severely eroded. How do I preserve that -- click Option, Advanced, Do not Compress? Do I have to do it a file at a time?
Elwyn

Hi,
Unfortunately,this setting applies only to pictures in the current file or the file selected in the list next to Image Size and Quality.Please take a look the article below:
http://office.microsoft.com/en-001/excel-help/turn-off-picture-compression-HA010355184.aspx
Wind Zhang
TechNet Community Support

Image Quality in PDF Reports

Hi,
I have a rectangular JPG image which is holding the company logo. Most of the image's background is coloured white.
If I import the image into MS Word for example, when I print out the document the image is very high quality, sharp, etc.
When I import this image into an Oracle Reports via menu: insert / image, although it appears fine when looking at it in Report Builder on the 'Paper Layout', when I run the report the image in the output PDF has lost quality and when printed out, the white background (which should be white) prints as as a light shade of grey.
Does anyone know how to stop the loss of quality on the image and how to stop the background of the image printing as light grey ?
I'm running Report Builder 10.1.2.0.2.
Many Thanks, Mark

This document explains how to increase the image resolution when exporting:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/30407084-c51d-2b10-1f81-813488350e6f
But it's for Crystal Enterprise 8.0, do you know if Crystal Reports 11 will work the same way?

Maximum Image Quality for PDF Export

I'm having a pretty big pain with some of my images, and I wanted to make sure that when i'm exporting my document to a PDF, I'm getting the very best resolution possible. I've attached a screenshot of the settings I'm using... are these the best settings I can set for getting the best resolution from my PDF
export?

First, the cost of printng isn't necessarily directly related to quality. There are too many factors such as full color and additional spot plates, the size of the run, and the size and type of the press to make any judgements based on price, not to mention the skill and standards of the printer. And then you still have many printers willing to do the same quality work at a variety of prices depending on location, market, and how busy they are. Kind of like making a genearlization about the price of a car.
@ Luke, setting downsampling to none will guarantee that all images are sent at full resolution, but that isn't necessarily a good thing. As already pointed out there is no advantage in sending more data than required to print the image. The OP has alread chosen ZIP compression, which is lossless, so he isn't introducing any jpeg artifacts, so all the downsampling is doing is setting a ceiling above which images will be downsampled. Images below that threshold will be sent at full res.

Crystal Reports Developer 11 - image quality in exported pdf file

I need to create a report with many images and export it to a pdf file. The image quality in the pdf file is slightly lower than in the rpt file. Can someone tell me how to increase the image quality in pdf file?
Thanks,
Hong

This document explains how to increase the image resolution when exporting:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/30407084-c51d-2b10-1f81-813488350e6f
But it's for Crystal Enterprise 8.0, do you know if Crystal Reports 11 will work the same way?

PLEASE HELP! 67MG PDF file can't reduce to email without losing image quality

I have created an 88 page fashion look book for work and it needs to be emailed out pronto to our customers!
I created it using In Design (the latest version)
I saved it as a PDF for my records - Highest Quality for printing purposes.
I open it in the latest version of Adobe Acrobat Pro XI - Version 11
When I compress the file it goes form 67Mg down to 10MG which is great, however the image quality is not good enough.
Being a fashion brand we need it to look crystal clear!
Can anyone help me and tell me where I am going wrong???
Thanks you in advance, Nicky

Try working on the images themselves before you create the original document. I don't normally recommend JPeg, but if you have pictures the feature of JPegs that reduces the color sharpness may help. Once you have what you want, you might then change it to a TIFF or PNG file. You can also do an audit in the PDF (save as>PDF Optimize) to see where the bloat is located. It is likely in the images. In that case you need to see how to reduce the size of the original images (actually work on copies so your originals stay good). It may be that you are using too many pixels (300-600 should be good in most cases) or you might be able to reduce the color depth (256 colors might be adequate. When you use the photo in ID, be sure you use it at 100%. If you need to change the size, do it in a graphics package that can properly interpolate the bits. You should do physical size reduction before you reduce the resolution. It may be that what is happening when you do the compression to 10MB is that the interpolation of the pixels is getting in the way. So doing all of this on the graphic before you use it would help a lot. I may not be a graphic expert, but trying to work on the original graphic to size and quality before you use it is typically a first step to a good look. PhotoShop should be able to do the reduction, but a simple program for such is IrfanView.

Image quality issues in PS - word to PDF

Hi,
I am having major image quality issues when trying to make my word document a clean, clear PDF. Images become distorted. Borders for tables and text that are equal px size look like they are different sizes throughout the document.
I have searched the internet, read help, and tried many different things:
Word 2007 - Changed image %, image size, export options, adjusted px for borders, used different styles
Acrobat 9 Pro - Changed import settings, import options, print options, tried press quality, high quality, etc.
Photoshop CS4 - Changed ppx, file format, compression options
What can I do to get a clean, clear PDF file with the images and borders preserved?
Thank you.

In converting a MS Office file to PDF, Photoshop cannot help in any way and will likely cause more harm as it may rasterize vector data. Expect your ideal answer in the Acrobat forum.

Random Vectors/images color inverted in print, but not in PDF. Where does the fault lie?

Sent a PDF to the newspaper printer and some of the images had inverted/strange colors. However...
In one case I had duplicate images of a pink vector flower. SOME of the flowers were inverted, to a dark blue/black, and some were fine(pink). These were embedded vectors.
In other instances vectors, went from orange to blue/black, pink to blue/black, and yellow/white to blue black. I specify because in one vector image, a ring, the ring was yellow, but the diamond was white, and it all changed to the same blue/black in print.
Finally, there were two greyscale Tiff photographs of a pair of ladies. These are not embedded, and have not been altered at all and since the last time this paper has been printed, (which printed fine). This time, they were inverted. Nothing else on the page was inverted.
As far as I can tell, there is not a separation issue, and I have saved the file from InDesign CC to pdf using the same settings as dozens of times before. The pdf on my end looks fine. The printer says they just print what they receive, but as far as I can tell, there is no issue on our end. The fact that some duplicated images printed fine, and others did not seem to confirm this. Everything is properly linked. Has anyone else experienced this problem? Is this a pdf, InDesign, or even an adobe problem at all, or it is something on their end? I have heard of inverted colors before, but can't find a solution (especially as I can't even see the problem on my end.)
Using Windows 8, up-to-date InDesign CC, and Acrobat Pro, Illustrator CS6 ver.16.2.0 64bit
I have no idea what the printer uses.

Where does the fault lie? - in an environment where they (the newsprinter) collect up front, have no responsibility for quality and arrogantly believe, perhaps correctly, that you'll be back with another paying job in the future.
Check the file you sent via Acrobat Preflight or Output Preview for RGB elements.
Check the file you sent via Acrobat Preflight - Checks - For Transparency Used
Do any of these elements off color involve rgb or interact (with or near) any transparency?
(InDesign could show these attributes via the links panel or a Live Preflight. Both can be (probably should be in your case) changed via the PDF Export)

Compressing pdf's and keep image quality for email send outs

Hello
I have a 55MB Pdf file which I would like to compress to be compatible with email send outs. I work a lot with imagery and need my visuals to be crisp and sharp. Anyone clued up on what settings to use to keep the best possible image quality? Would appreciate some support on this. I work with Mountain Lion and Apple's own compression filter in Preview is really poor. I have tried to download compression filters but nothing seams to work with the system I am running….
Thanks, Anna

Hi Anna
If you are trying to compress a document that contains images, you would have to compromise on the quality of the images. You may visit How to compress a PDF file | Acrobat X Tips & Tricks | Adobe TV
Adobe also has a direct solution to send large size files in the quick way without losing the quality. Please visit How to send large PDF files via email | Acrobat X Tips & Tricks | Adobe TV

Losing vector image quality in PDF

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