Low resolution images in .pdf from PowerPoint

I have Acrobat Professional 7.0.3, and MS PowerPoint 2003 SP3. When I convert a presentation into PDF that looks good in PowerPoint, and prints fine from PowerPoint, my image resolution drops and looks awful. It doesn't matter if I use "high quality print," or "press quality." No matter what I do, the images don't look good. These are high resolution images, so that's not the problem.
Thanks for your help!
BHB

I think so. PowerPoint has a menu item called "Adobe PDF." There are four options, one is "change conversion settings." In that window I set the "conversion settings" to "high quality print." Then I select "Adobe PDF" in PowerPoint again, and this time click on "convert to Adobe PDF." Then a small window called "Acrobat PDFMaker" pops up and does the conversion. The resulting PDF file opens in Acrobat Professional.

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Automatic upsampling of low-resolution images?

I posted about this, it might have been about a year ago now, and got no joy, so I thought I'd try again in case something new has appeared.
When exporting to PDF, InDesign CS can downsample images. Some of my images, however, maybe 20-30 at a guess, I need to upsample. In the next month or so I hope to export to PDF, and I dread the thought of having to go through the several hundred images in my book, find those images that are under-resolution, open them in PS, and do some calculations to work out the resolution to which they should be resampled to achieve 300 dpi in the InDesign document... whoa, I'm worn out just thinking about it.
Also on my wish list: I have a hundred or so images that cross the centre-spread boundary. Before I impose the document, I will have to go through it and Copy and Paste-in-Place each image, and then resize the boundary to the centre for both images so that when imposed, some of the image is on one page and some on the other (thanks Buko, for that hint from a few years ago). Not a great problem, but still... can this process be automated?
Bring joy to my heart, someone please, and tell me at least one of these chores is automatable.

ROBERT LEVINE: "Never saw that happen". You can see it happen, and I explain how to make it happen, in my downloadable zip file.
ROB DAY: Thanks for the feedback. The sample I generated (not a typical photo I work with; I choose it because it did not have any inherent imperfections) is an accurate reflection of how I use some of my images. i.e I start with a low resolution original and it is scaled in InDesign. I do not have the option of getting a better original. Most of the images I have are 2 x 3 Box Brownies from pre 1960, obtained by me driving from Tasmania to North Queensland (3000 km) each year for four years and scanning an elderly stranger's photos on their lounge room floor. In the two-three hours I was with them I had to get their life story, look at their photos, choose the interesting ones, write down the details, and then scan them. It's a challenge to do all that, day after day, 6-8 people a week, for three months at a time. Given 10-50 photos to scan, which at high resolution take three minutes each on my scanner, sometimes they couldn't all be scanned in high resolution in the time I had available. The most likely prospects for the book I did scan at high resolution, the others got the 300 or 600 dpi treatment (this is for a 2 inch wide image, remember). Three years later, when I started putting the book together, I choose to use some of the low scan originals, greatly enlarged, because they were important photos that I didn't realize at the time of scanning.
So, I'm stuck with some low-resolution scans and I want to make them look their best. Upscaling does that, doesn't it? And your example proves it.The choice between the middle and right photo is easy: the one on the right. i.e the upscaled unpixelated one. And I wasn't the judge: I let my partner decide (it's her niece in the photo). It's a game man who would argue with my partner.
Further, the image on the left, your reference and which is quite acceptable, is of course taken from my 300 dpi PDF -- itself an upscaled version of a 30 dpi image. So the reference you choose again proves that upscaling works. i.e it removes pixelation and is beneficial.
Please everyone - this is not about using a low resolution image because I'm too lazy to rescan the original. In most cases the originals are now scattered among children and grandchildren of the person I spoke with because they have passed away. Plus, if I did locate the photos, they are 3000 km away. I have some low resolution images and I want to improve them. Upscaling does that, InDesign can't, and I think it should.
MORE ON David's remarks: Excellent tutorial, David. Pity I wasted 20 minutes to unnecessarily generate mine.
I'd like to know the reasons why InDesign doesn't simply offer a 'Resample' option instead of only 'Downsample'. If a particular printer requires 300 dpi images for best quality, InDesign should accommodate that by allowing a user to resample every image to 300 dpi. I reckon the programers never gave thought to the idea that someone might be using low-resolution images in a flash piece of software.
This thread has gone a bit astray. Buko has given an indirect answer (to do what I thought I would have to do) -- use Photoshop. Can I take it that no version of InDesign, or any add on, allows for automatic upsampling?
InDesign has the ability to resample, and I bet it uses the same algorithms as Photoshop which can resample both ways. InDesign can resample downwards; it is unfortunate that it wasn't given the capability to resample upwards.

Preventing importing of low resolution images?

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Anyone here have ideas on how to solve this? A solution that causes Lightroom to ignore files that aren't of the size that's the same as a the camera original, or one that lets me search for resized images from a library would both suffice.

dorin_nicolaescu wrote:
If you are going to judge whether to import or not by file size alone, an easy solution would be to:
Use Windows Explorer (or Mac search) to search you Pictures folder (and subfolders) for files smaller than, say, 300 Kb.
Delete them or move to another folder.
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Heh, I guess you missed a detail in my post. I'm importing more than 100.000 exposures contained in a few thousands of folders. The total size of the library that's been imported right now is about 650 GB. If I can't automate this, I can't do it.
I shuffled through the Lightroom plugin API doc and seems I can't create a plugin that'd automate this either, as there's no call to initialize the value from the plugin itself - had an idea to provide a searchable width/height metadata plugin myself but apparently that's a no go.

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What do you mean by "downloading"? There are a couple of ways to get image file out of iPhoto:
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3 - select thumbnails and use the Share->Send to DVD. This produces a mini library of the photos you've selected which include the original files, thumbnail files and any modified/edited file. This method is intended for use on computers that are running iPhoto.
Which method are you using?

Can't create new pdfs from powerpoint; either form within Adobe or within powerpoint. I could do this yesterday and today it won't work for some reason. The error says "an unexpected error occurred. PDFMaker was unable to produce the Adobe PDF. How do

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Dear Adobe,
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Hi - I just posted the question below on the InDesign forum, but I think it may actually be a Microsoft-Adobe-pdf issue. Any help is much appreciated.
Hi All, this is my first post on the Adobe Community. I problem cropped up in the last week and i am going crazy. Please help!! I am running on a MacBook Pro with OSX 10.7.5.
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I can copy, paste-as-pdf, save the pdf file. But when I try to link to it in InDesign it get the message "Failed to open the pdf file."
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It's a matter of efficiency as much as anything else. I read too many
reports here of people having problems printing previewing or working
with PDFs and it often comes back to preview.
It's fine for JPGs but PDFs? No, especially those generated by InDesign.
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I'm creating a PDF from a PowerPoint 2010 file and hyperlinks with a "#" in them aren't working. The "#" character is being removed from the link. For example a link to http://mysite.com/home.htm#anchor becomes http://mysite.com/home/htmanchor. I have Creative Cloud and installed Acrobat Pro XI today. I used the Create PDF button on the Acrobat ribbon.
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Ahhh, the slippery slope of perception.
Yes, "#" has a specific use when with HTML .
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And "#" has a specific use with PDF using Acrobat / Adobe Reader.
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For HTML see what W3C and the related RFCs speak to.
For MS Office see what Microsoft's dev space & Office info speaks to.
For Acrobat / Reader see "Parameters for Opening PDF Files".
http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/pdf_open_parameters_v9 .pdf
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I've seen a couple prior posts asking similar questions, but no definite resolution. One person mentioned the "Total Access" features and a web accelerator perhaps being the cause, but I can't find anything like that either in the Safari or System preferences.
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This is normal
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Here's a slightly better version.
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Any chance you can post a link to the file or PDF page?

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Dear Nick Holmes,
Thanks for your highly technical explanations!
May I trouble you for further detail?
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Low resolution images in .pdf from PowerPoint

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