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Note that OCR operation does not guarantee that all text in a PDF document would be recognized correctly. This method makes the word searchable even though it is displayed as a bitmap. 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. If the ideal substitution is uncertain, software marks the word as suspect. When you run OCR on a scanned output, the Acrobat® analyzes bitmaps of text and substitutes words and characters for those bitmap areas. The text recognition creates a layer of text in the PDF that can be searched, or copied and pasted into a new document. Step 6 - Inspect the Results Inspect the results. Step 5 - Start Processing Click 'Recognize Text' button to starting recognizing text. Click 'OK' to save changes and close the dialog. Higher-numbered options do less downsampling, producing higher-resolution PDFs. Choose the degree of downsampling to apply. The 'Downsample To' pull down menu allows to decrease the number of pixels in color, grayscale, and monochrome images after OCR is complete.

Editable Text & Images - synthesizes a new custom font that closely approximates the original, and preserves the page background using a low-resolution copy.

Recommended for cases requiring maximum fidelity to the original image. This option keeps the original image and places an invisible text layer over it.

Searchable Image (Exact) - ensures that text is searchable and selectable.

The selection for 'downsample images' in this same dialog box determines whether the image is downsampled and to what extent. This option keeps the original image, deskews it as needed, and places an invisible text layer over it.

Searchable Image - ensures that text is searchable and selectable.

Select one of the following options in the 'Output' pull down menu:

Select PDF output style that determines the type of PDF to output. Specify the language for the OCR engine to use to identify the characters in the 'Document Language' pull down menu. The 'Recognize Text' dialog box allows to specify general settings for OCR. Optionally, click 'Settings' to open the 'Recognize Text' dialog box, and specify the options as needed. Select a page range and language for the text recognition. Step 4 - Specify Settings The 'Recognize Text' options are displayed in the second-level toolbar. Optionally, click 'In Multiple Files.' to select multiple PDF files or folder to process. Select 'In This File' to process a currently opened PDF document. Step 3 - Select a PDF Document(s) to Be Processed Expand the 'Recognize Text' pull down menu. Double click on the 'Enhance Scans' tool. Step 2 - Start the 'Enhance Scans' Tool Select the 'Tools' from the main toolbar.

Step 1 - Open a PDF Document Start the Adobe® Acrobat® application and using 'File > Open.' menu open a scanned PDF document.

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You can download trial version of the Adobe® Acrobat®. Prerequisites You need a copy of the Adobe® Acrobat® installed on your computer in order to use this tutorial. At 150 dpi, OCR accuracy is slightly lower. Note that scanning at 300 dpi produces the best text for conversion. Scanning Quality To apply 'Recognize Text' operation to a PDF, the original scanner resolution must have been set at 72 dpi or higher. If you cannot highlight a text on the page, then the document is not searchable. (such as the Notepad, Microsoft Word or Outlook), then the document does contain a searchable text. If you can highlight a text string and copy/paste it into a text editor Is my PDF searchable? Open the PDF document in the Adobe® Acrobat® and try to select any text on The document cannot be used for any text-based processing such as automated bookmarking and linking, text search and extraction, keyword-based redacting and etc. Why Recognize Text? If the document does not have any searchable text, then it significantly limits its functinality. The searchable text is added behind the page image, so the visual appearance of the Processes each page and creates an invisible layer of text that can be searched or copied and The 'Recognize Text' operation (also known as 'Optical Character Recognition' or OCR) Originally, the scanned PDF documents do not contain any searchable text.Įach page is just an image.

#ADOBE OCR SOFTWARE DOWNLOAD HOW TO#

Recognize Text in Scanned PDF Documents Introduction This tutorial shows how to make scanned PDF documents searchable using 'Recognize Text' operationĪvailable in the Adobe® Acrobat® software.

Adobe ocr software download