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Optimizing a scanned PDF

From: Acrobat 9 Pro Essential Training

Video: Optimizing a scanned PDF

Documents aren't always scanned through Acrobat but Acrobat can convert scanned documents to PDF anyway. In this video you will see how to convert a scanned document to PDF and optimize the file to clean it up and OCR the file if necessary. So I've got optimize_scan.jpeg open from the folder and when you open up a scanned document, scanned documents typically come in as images. Basically JPEGs, TIFFs. There are a lot of file formats you can utilize. If you open them directly in Acrobat, they are converted to PDF.

Optimizing a scanned PDF

Documents aren't always scanned through Acrobat but Acrobat can convert scanned documents to PDF anyway. In this video you will see how to convert a scanned document to PDF and optimize the file to clean it up and OCR the file if necessary. So I've got optimize_scan.jpeg open from the folder and when you open up a scanned document, scanned documents typically come in as images. Basically JPEGs, TIFFs. There are a lot of file formats you can utilize. If you open them directly in Acrobat, they are converted to PDF.

Based on the resolution they were, that's what they stay at. So that's kind of how they look. Now when it opens them, it opens them exactly as they were scanned. Acrobat has some tools that allow us to clean these up a bit. So they look a little bit more professional and if you look at this one out here you'd be able to see it's little bit skewed, it's kind of on an angle, the text looks little grainy, that sort of thing. So we can clean things up a bit. I'm just going to tell you, this is a great tool but it doesn't always work magic on your files. With this file open, coming up to document we will be able to see the command called Optimize Scanned PDF.

So once again, if this is something that's been scanned and you open it directly in Acrobat, click Optimize Scanned PDF. It opens up the Optimize Scanned PDF dialog box. And we have a choice up top. You've got a little Scroll bar or a Slider here to change it to smaller size or high quality. Now if you want it to look better, obviously I'm going to slide it over to High Quality, it's going to be a bigger file size. If you want it to be smaller so may be you can e-mail it or send it out somebody else, you choose smaller size. I'm going to try a little bit higher quality, make it to the right over here. Look at the options we've got down here. You've got Deskew.

This is a great thing. Deskew is going to take it and make it so that if it's an angle, it will straighten it. So it goes to about, I think it's like 15 degrees or 20 degrees, something like that. It will actually straighten it up for you. If you don't wanted to do that, may be you've got a contract and you're trying not to change its appearance, you can choose Off for that. Background removal is a great thing. A lot of scanners, if the scanner head or the glass is dirty it will put a little bit of a dark shadow on the corners. You can tell it to remove that, and if it's not aggressive enough like let's say you've got some really dark corners in this thing.

You can tell it to go with Medium background or High background. The thing about using this Optimize is there is no preview. You click OK, you try it and then if it doesn't work, you try it again. Look here you're going to see also Edge shadow removal, once again, if there is any edge shadow like there is a nice little shadow here on the very edge, it will try and remove it. Cautious means it's going not remove quite as much as it might. Aggressive is if it's really bad, it's going to try and get rid of it. And once again, for any of these settings you can turn them off if you don't want them to happen. I don't have an edge shadow so turn it to Off.

Despeckle. This can be a really important one. Despeckle says, it's dusty, it's dirty and you scan a document and it scans with a bunch of little flex and speckles all over the place. You could tell it to despeckle. Now if you like that sort of thing, you can turn it off. If you try and you don't quite think it's good enough, I usually set this pretty high to begin with because the higher you go, the more speckling it's going to get rid of all this little extra stuff out here. It doesn't always work, we will see that. Descreen. If a document has been printed and then you scan it and bring it in here, lot of times you're going to see screening.

The logo, look at GRUNBYTE right here, I will move this out of the way. You'll see the logo has a little checkerboard pattern to it. That's called Screening, so it's actually been printed and then you're trying to get rid of that. Sometimes it does pretty good job, sometimes it doesn't always do perfectly, but if you don't want it, you turn it off. I usually keep it at Automatic to handle that. And then Halo Removal. Some scanners will throw little halos around your text or your images and you probably want to get rid of that. So I will turn that on, and once you're set, you're set. You click OK, it's going to run. So click OK.

You are going to document. It will take a few seconds here. It's going to run through it, optimizing the file and there we go. Now like I said, it does a good job, sometimes it misses some things, you look out here. It's straightened the file. Things look a little bit cleaner. If you look at the logo it's not quite as checkerboard. It tried to get rid of some of that screening. If you do notice, it did miss a few of these little speckles out here. We can't get rid of those, but that's working with the document and editing the file, so we'll do that in a later video. But it did a pretty good job. Not too bad, OK. So that's working with, going through and trying to clean up a document.

By using this you're going to be able to take your documents, just give them a shine. You're going to make them look a lot better. They're not going to look like you try to scan them and then just pass them off. They'll be able to be more presentable, I guess I could say.

Show transcript

This video is part of

Image for Acrobat 9 Pro Essential Training
Acrobat 9 Pro Essential Training

100 video lessons · 42061 viewers

Brian Wood
Author

 
Expand all | Collapse all
  1. 1m 4s
    1. Welcome
      22s
    2. Using the example files
      42s
  2. 56m 38s
    1. Getting started with Acrobat 9 Pro
      1m 40s
    2. Understanding the difference between Acrobat and Adobe Reader
      2m 22s
    3. Understanding the interface
      2m 22s
    4. Navigating PDF documents
      5m 24s
    5. Customizing the toolbars
      7m 14s
    6. Working with the navigation panels
      5m 13s
    7. Using the zoom tools
      7m 4s
    8. Understanding the window views
      6m 23s
    9. Using the Organizer
      8m 19s
    10. Auto-saving
      1m 43s
    11. Using the Full Screen and Reading modes
      8m 54s
  3. 1h 25m
    1. Creating a PDF from Word
      11m 10s
    2. Creating a PDF from Excel
      9m 40s
    3. Creating a PDF from PowerPoint
      9m 43s
    4. Creating a PDF from Outlook (Windows only)
      6m 28s
    5. Creating a PDF from the web
      9m 14s
    6. Creating a PDF from a file
      2m 56s
    7. Setting PDF file preferences
      2m 21s
    8. Creating a PDF from copied content
      2m 44s
    9. Creating a PDF from a scanner
      6m 50s
    10. Optimizing a scanned PDF
      4m 27s
    11. Creating a PDF from a blank page
      7m 17s
    12. Creating multiple PDFs in a batch
      3m 34s
    13. Creating PDFs from InDesign, Illustrator, and Photoshop
      8m 44s
  4. 57m 38s
    1. Combining documents
      5m 21s
    2. Creating a merged document
      6m 56s
    3. Creating a PDF Portfolio
      5m 26s
    4. Adding files or folders to a PDF Portfolio
      4m 13s
    5. Customizing PDF Portfolio options
      9m 3s
    6. Previewing native files in a PDF Portfolio
      5m 47s
    7. Searching in a PDF Portfolio
      4m 6s
    8. Running commands on a PDF Portfolio
      9m 31s
    9. Applying security to a PDF Portfolio
      5m 33s
    10. PDF Portfolios and previous versions of Acrobat or Adobe Reader
      1m 42s
  5. 2h 1m
    1. Inserting and deleting pages
      4m 48s
    2. Embedding and removing thumbnails
      2m 54s
    3. Moving, rotating, and cropping
      8m 28s
    4. Extracting and replacing pages
      5m 8s
    5. Splitting PDFs
      4m 12s
    6. Renumbering pages
      5m 21s
    7. Adding headers and footers
      8m 57s
    8. Creating watermarks and backgrounds
      10m 21s
    9. Copying content
      6m 57s
    10. Editing text
      10m 29s
    11. Adding text using the Typewriter tool
      6m 1s
    12. Touching up objects
      9m 34s
    13. Using Bates numbering
      8m 10s
    14. Comparing PDF documents
      8m 13s
    15. Setting document properties
      8m 54s
    16. Reducing file size
      4m 29s
    17. Examining a document
      4m 15s
    18. Attaching documents to a PDF
      4m 41s
  6. 25m 1s
    1. Understanding bookmarks
      2m 17s
    2. Creating bookmarks
      1m 30s
    3. Bookmarking specific items
      2m 14s
    4. Nesting bookmarks
      2m 1s
    5. Editing bookmark destinations
      4m 52s
    6. Bookmarking shortcuts
      4m 4s
    7. Bookmarking actions
      6m 37s
    8. Using the Bookmarks navigation panel and the Initial View setting
      1m 26s
  7. 33m 35s
    1. Using links
      3m 26s
    2. Creating links
      4m 42s
    3. Editing links
      12m 18s
    4. Using cross-document linking
      3m 54s
    5. Creating destination links
      6m 36s
    6. Using link shortcuts
      2m 39s
  8. 28m 52s
    1. Exporting images from a PDF
      8m 34s
    2. Exporting text from a PDF
      4m 23s
    3. Exporting to Word
      6m 55s
    4. Exporting to HTML
      5m 27s
    5. Batch-processing an export
      3m 33s
  9. 2h 4m
    1. Viewing comments
      8m 8s
    2. Adding sticky notes
      6m 18s
    3. Using the Text Edits tool
      4m 17s
    4. Using the Stamp tool
      6m 39s
    5. Using highlights, underlines, and strikethroughs
      3m 28s
    6. Attaching files as comments
      3m 5s
    7. Recording an audio comment
      3m 54s
    8. Using the drawing tools
      9m 37s
    9. Enabling commenting in Reader
      1m 54s
    10. Understanding the different review processes
      4m 34s
    11. Attaching a PDF for email review
      11m 44s
    12. Using the Shared Review feature
      16m 8s
    13. Reviewing via Acrobat.com
      12m 12s
    14. Using the Collaborate Live feature
      6m 29s
    15. Using the Review Tracker
      8m 6s
    16. Exporting and importing comments
      4m 32s
    17. Reviewing comments
      7m 7s
    18. Summarizing comments
      6m 10s
  10. 13m 29s
    1. Using Basic Find
      2m 45s
    2. Using Search
      6m 18s
    3. Advanced searching
      4m 26s
  11. 27m 1s
    1. Showing security properties for a PDF
      2m 25s
    2. Enabling Encrypt with Password security
      6m 13s
    3. Removing Encrypt with Password security
      2m 19s
    4. Managing security policies
      5m 57s
    5. Redacting
      10m 7s
  12. 18s
    1. Goodbye
      18s

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