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Summary of Contents for Adobe 22101156 - Acrobat Capture - PC
- Page 1 Adobe Acrobat Capture Plug-In ® ® • Commands • Using the Capture plug-in • Capturing documents • Correcting captured documents • Setting Capture plug-in preferences • Troubleshooting...
- Page 2 Commands File Setting Capture Preferences Capture... Document Capturing docu- Capture Pages... Edit Correcting captured docu- Show Capture Suspects To review and correct sus- Find First Suspect...
- Page 3 Using the Capture plug-in You use the Capture plug-in when you choose the Capture Pages command in Acrobat Exchange. The plug-in uses optical character recognition (OCR) to convert bitmap text to text that can be corrected, indexed, searched, or copied to other files. The text it converts is in PDF image documents that were scanned directly, or imported, into Acrobat.
- Page 4 The Capture plug-in is installed from the Acrobat 3.0 CD-ROM. For details on running the Acrobat Acrobat Getting Started Guide Installer, see the Use the Capture plug-in to convert small collections of paper documents and electronic images to PDF directly from Acrobat Exchange. If you need to con- vert large collections of paper documents or elec- tronic images to PDF, consider upgrading to the full Acrobat Capture product, which offers a number of...
- Page 5 About PDF document styles Adobe Acrobat can produce three styles of PDF documents: • PDF Image Only documents contain only a bitmap picture of the original document. PDF Image Only files are produced by the Scan and the Import commands in Exchange.
- Page 6 • PDF Original Image with Hidden Text documents combine features of PDF Image Only and PDF Normal documents. They contain a complete bitmap picture of the original document, but with recognized text hidden behind the picture. This provides the advantages of searchable text while ensuring that a document is iden- tical in appearance to the original.
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Page 7: Capturing Documents
Capturing documents The documents you capture are image files that you have scanned or imported into Exchange— PDF Image Only files. To capture a document: 1 Using Exchange, do one of the following: • To import an image file, choose File > Import > Image. Select the file you want to import and click Open. - Page 8 4 If you want to change the Capture preferences, click Preferences. The document will be captured Setting Capture plug-in with the new settings. See preferences for details. 5 Click OK. The Capture progress window shows the page, character, and word recognition process. In order for the process to be successful, the resolution of the captured PDF Image Only file must fall within the follow- ing ranges:...
- Page 9 Correcting captured documents When the Capture plug-in suspects it has not recog- nized a word correctly, it displays the bitmap image of the original word in the document and hides its best guess for the word behind the bitmap. This ensures accurate reproduction of the original, even without correction.
- Page 10 To view all the suspect words in a document: Choose Edit > Show Capture Suspects. Each of the suspect words in the document is highlighted. To review and correct suspect words: 1 Choose Edit > Find First Suspect. The suspect text is highlighted, and its bitmap image appears in the Suspect Image window.
- Page 11 Setting Capture plug-in preferences Choose File > Preferences > Capture to control the following Capture plug-in preferences: • Primary OCR Language indicates which language dictionary is used to recognize words when documents are captured.The Capture plug-in also uses a custom dictionary, which you can modify.
- Page 12 • Downsample Images gives you the option of down- sampling images in captured PDF documents, which can be useful if you want to minimize file size. See Choosing downsampling options for details. • Location for Temporary Files specifies the direc- tory where temporary files are stored during the capture process.
- Page 13 Adding words to the custom dictionary In addition to its standard language dictionaries, the Capture plug-in uses a custom dictionary to recognize words. You can add words to this custom dictionary by editing the dictionary file. To edit the custom dictionary (Windows): 1 Using a text editor such as Notepad, or a word processor, open the custdict.spl file in the Acrobat3\Capture directory.
- Page 14 Choosing downsampling options When you capture a document, you can choose to downsample images in the captured document. Doing this can significantly reduce file size. With downsampling on, images are downsampled as fol- lows: • Black-and-white images are downsampled to 200dpi (Image less than 300 dpi are not downsampled) •...
- Page 15 To turn downsampling on or off: 1 Choose File > Preferences > Capture or Document > Capture Pages, and click the Preferences button. 2 Select or deselect the Downsample Images option as desired. (Downsampling is on by default.) Note: The Downsampling Images setting in Capture Preferences overrides the downsampling setting in PDF Writer.
- Page 16 Comparing PDF file sizes Consider file size when planning work flow or pub- lishing documents online. Larger files (especially 24-bit color ones) take more time to capture, send over networks, and display on-screen. The two charts on the following pages show the file sizes resulting from the import and capture of an 8 1/2-by-11 inch page containing text, line art, and a photograph.These charts show how the PDF Out-...
- Page 17 Example file used for charts on following two pages...
- Page 18 Captured file sizes: downsampling on In most cases, the size of a captured file is significantly reduced when downsam- pling is turned on in the Capture preferences. Image type TIFF image file PDF Image PDF Normal Only Original Scanned at (original file) Image + 300 dpi...
- Page 19 Captured file sizes: downsampling off The file in this chart was processed with downsampling turned off in the Capture preferences. (Turning downsampling on could reduce the file size even more). In some cases, a PDF Original Image + Hidden Text file is smaller than the PDF Image only file because the Capture plug-in uses additional compression methods.
- Page 20 The content of this manual is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Adobe Systems Incorporated. Adobe Systems Incorporated assumes no responsibility or liability for any errors or inaccuracies that may appear in this book.
- Page 21 1994 This software includes software licensed from RSA Data Security, Inc. Written and designed at Adobe Systems Incorporated, 345 Park Ave, San Jose, CA 95110-2704. Adobe Systems Europe Limited, Adobe House, 5 Mid New Cultins, Edinburgh EH11 4DU, Scotland, United Kingdom Adobe Systems Co., Ltd., Yebisu Garden Place Tower, 4-20-3 Ebisu, Shibuya-ku,...
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Page 22: How To Use This Online Guide
How to use this online guide Page back or page forward. Undoes a change of page or view, or redoes a change (Go Back/Go Forward). Go to the Contents. Go to the Index. Go to the how-to page (this page). Go to the “parent”... -
Page 23: How To Print This Online Guide
How to print this online guide You can print separate topics or the entire guide. Since the pages of the guide have been made small for online viewing, Windows and Macintosh users may prefer to print them two to a page of paper— ”two up.”... - Page 24 OK. Note: If you can’t perform step 2, you may not be using an Adobe or PostScript printer driver. If you are and you still can’t perform the step, install the Adobe printer driver on the Acrobat CD-ROM. See the Acrobat Getting Started guide for installation instructions.
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