java api barcode scanner Searchable Image Captures the scanned document as an image, but also recognizes in Microsoft Office

Generator QR Code 2d barcode in Microsoft Office Searchable Image Captures the scanned document as an image, but also recognizes

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the text in the document The PDF document can be searched, but text cannot be selected with the Select tool
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Formatted Text and Graphics Captures the scanned document as images and
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formatted text The document can be searched and the text portions can be selected as text, while the graphics portions can be selected as images 9 Click the Downsample Images drop-down arrow and choose one of the following options:
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Lowest (600 DPI) Choose this option for high-quality images, and a document
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Low (300 DPI) Choose this option for a smaller file size, but a document that is
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High (72 DPI) Choose this option for the smallest file size, and a document designed
for monitor viewing
CHAPTER 6:
Capture PDF Documents
10 Click OK to exit the Recognize Text Settings dialog box and return to the Create PDF From Scanner dialog box 11 Check the Add Tags To Document check box to create a PDF document with tags, which improves accessibility for disabled viewers 12 Click Image Settings to open the Image Settings dialog box:
13 Click the Color/Grayscale drop-down arrow and choose one of the following compression options:
None Does not compress grayscale or color images when the document being
scanned is converted to PDF
Adaptive Divides the document being scanned into black and white, grayscale,
and color regions and compresses each region to attain the smallest possible file size while preserving image fidelity Choose this option when you re scanning a document that contains both images and text
JPEG Applies JPEG compression to the entire page Choose this option when
you are scanning a document that contains predominantly RGB and/or grayscale images
How to Do Everything with Adode Acrobat 70
14 Click the Monochrome drop-down arrow and choose one of the following compression options:
JBIG2 Applies JBIG2 compression to the black and white areas in the document
you are scanning
Adaptive Applies Adaptive compression to the black and white areas (normally
text) in the document being scanned This compression method is compatible with Acrobat 50 (PDF 14)
CCITT Group 4 Applies CCITT Group 4 compression to the black and white
areas of the document being scanned This fast lossless compression method is compatible with Acrobat 30 (PDF 12) 15 Drag the quality slider to determine the quality of the scanned document and file size Drag the slider to the left for a smaller file size at the expense of image quality, drag it to the right for lower compression (better image quality) at the expense of a larger file size 16 In the Filtering area, choose the following options:
Deskew Choose Automatic and a skewed page will be rotated so that it is vertical Background Removal This option works with color and grayscale portions of
a scanned document, but has little or no effect on a document that is predominantly black and white This option converts a background that is almost white to white You have four options: None, Low, Medium, or High In most instances, the default setting of Low does a good job of cleaning up the background However, if something printed on the other side of the page is visible, Medium or High may remove the objectionable bleedthrough
Edge Shadow Removal Removes the shadow cast by the edge of the page You
have three options: Off, Cautious, and Aggressive
Despeckle Removes random black marks that appear when you scan a black and
white page Low removes small spots, whereas Medium and High remove larger spots
Descreen Removes the halftone dots that appear when certain images such as
newsprint or magazine pages are scanned Your options are Off and Automatic In most instances, the default option of Automatic creates the best looking PDF
Halo Removal The default option (On) removes halos that appear at high-contrast
edges 17 Click OK to exit the Image Settings dialog box and return to the Create PDF From Scanner dialog box 18 Click Scan After you click the Scan button, the interface for the TWAIN device you selected opens Follow the prompts to preview the scan and return it to Acrobat Refer to your scanner user guide for specific instructions
CHAPTER 6:
Capture PDF Documents
FIGURE 6-1
You can create PDF documents with your scanner
19 After the image is scanned into Acrobat, modify the document as needed and save the image Figure 6-1, above, shows a page from a book as captured with the Acrobat Scan plug-in 20 Choose File | Save to save the scanned image as a PDF file
Capture Images from Digital Cameras
If you have a digital camera connected to your computer, with a TWAIN driver that is recognized by Acrobat, you can use it to capture images directly into Acrobat To capture an image from a digital camera, the device must be connected to the computer (the most common
How to Do Everything with Adode Acrobat 70
How TWAIN Got Its Name
When you install Acrobat, the install utility detects any TWAIN devices you have attached to your computer As a note of interest, the name TWAIN was adopted from the phrase and never the twain shall meet in Rudyard Kipling s The Ballad of East and West, to re ect the fact that, when the technology was in its infancy, connecting a scanner to a personal computer was very dif cult However, many people think TWAIN stands for Technology Without An Interesting Name A TWAIN device contains drivers that convert the optical input from a scanner or digital camera into a digital format that can be recognized by computer software The TWAIN devices you have attached to your computer are listed on a drop-down menu in the Create PDF From Scanner dialog box
hookup being a USB cable) To capture an image from your digital camera, choose File | Import | Scan; then choose the TWAIN device that supports your camera and follow the prompts to capture the image Pictures you take with a digital camera are generally in JPEG or, if you own a more advanced digital camera, TIFF format In the majority of cases, there are better methods for capturing photographs from your digital camera, especially if you have to edit the image after photographing it However, capturing an image with a digital camera, converting it to PDF, and then attaching it to an e-mail message is an easy way to send images of people or products to friends and coworkers who may not have computer software capable of opening images in their native formats If you own Photoshop CS, or Photoshop Elements, edit your image to perfection, and then save it as a Photoshop PDF file You can open the resulting document in Acrobat and add interactivity as needed
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