If characters are touching, use a higher brighter setting. If characters are separated, use a lower darker setting. You can use Acrobat to recognize text in previously scanned documents that have already been converted to PDF. Scanning at dpi produces the best text for conversion.
At dpi, OCR accuracy is slightly lower. Optionally, click Settings to open the Recognize Text dialog box, and specify the options as needed. Click Recognize Text. Acrobat creates a layer of text in your PDF that can be searched — or copied and pasted into a new document.
Then select the files or folder. Determines the type of PDF to produce. All options require an input resolution of 72 dpi or higher recommended. All formats apply OCR and font and page recognition to the text images and convert them to normal text. Searchable Image. Ensures that text is searchable and selectable. This option keeps the original image, deskews it as needed, and places an invisible text layer over it. The selection for Downsample Images in this same dialog box determines whether the image is downsampled and to what extent.
Searchable Image Exact. This option keeps the original image and places an invisible text layer over it. Recommended for cases requiring maximum fidelity to the original image. Synthesizes a new custom font that closely approximates the original, and preserves the page background using a low-resolution copy. Downsample To. Decreases the number of pixels in color, grayscale, and monochrome images after OCR is complete. Choose the degree of downsampling to apply.
Higher-numbered options do less downsampling, producing higher-resolution PDFs. When you run OCR on a scanned output, Acrobat analyzes bitmaps of text and substitutes words and characters for those bitmap areas. If the ideal substitution is uncertain, Acrobat marks the word as suspect.
Suspects appear in the PDF as the original bitmap of the word, but the text is included on an invisible layer behind the bitmap of the word.
This method makes the word searchable even though it is displayed as a bitmap. If you click OK, the Text Recognition dialog box opens and you can select options, which are described in detail under the previous topic.
Acrobat identifies suspected text errors and displays the image and text side by side in the Secondary toolbar. All suspect words on the page are enclosed in boxes. Click the highlighted object or box in the document, and then correct it in the Recognized As box in the Secondary toolbar.
Click Accept. The next suspect is highlighted. Correct mistakes as needed. Click Accept for each correction. Legal Notices Online Privacy Policy. User Guide Cancel. Scan a paper document to PDF. On Windows:. On Mac:. If you want to append the document, which you'll scan, to an existing file, do the following: Choose the Append to Existing File check box. If you've the files open in Acrobat, select an appropriate file from the drop-down list, or click Browse and then select an appropriate file.
Click Scan. Scan a paper document to PDF using a preset Windows. Scan a paper document to PDF without presets. Enhance or optimize a scanned PDF. Open a PDF created from a scanned document. Configure scanning presets Windows.
Adjust the settings as needed. Scanning options. Drag the slider to set the balance point between file size and quality. Creates a PDF. Optimize Scanned PDF dialog box.
When scanning color or grayscale pages, select one of the following:. Applies ZIP compression to the colored image content. When scanning black-and-white or monotone images, select one of the following:. Sets the balance point between file size and quality. Whitens nearly white areas of grayscale and color input not black-and-white input. Recognize Text - Settings dialog box. Here Adobe Acrobat is on the top of our pick list. Any toolbar you want to utilize to deal with a PDF is built in this program.
Also, there are different versions for Mac users and Windows users. What you need to do is, capturing the paper file as clearly as possible, then performing OCR on the image file. Here, basing on the fact that most of our users are either Mac users or Windows users, we will demonstrate how to scan to PDF in following 2 parts. Here are 2 reasons convincing users into this tool:. For more accurate OCR results, you can click the "Settings" icon. Check if all OCR applied zone is marked correctly, if not or improperly, manually adjust.
For example, if you want to output a part as table, remove the mark box in this zone, click on "Mark Tables" in the OCR applied zone, then drag a mark box to select those contents you want to mark as Tables.
This is done to make sure all the parts are recognized properly and will be outputed with good formatting. Any link to or advocacy of virus, spyware, malware, or phishing sites.
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