For example, 0123456789 are declared in the field than the mentioned characters are blacklisted, and O is not mistaken with 0. The characters/digits that appears in the Blacklisted Chars field are ignored during the match, and other closest match are found. Place the language data in the target data folder for any additional language for Tesseract engine. You can change or combine (two or more than two) languages, if required. It Indicates the language of the targeted text. The selected OCR is displayed in this field. The properties of Tesseract are listed in the following table: This is a free software for OCR engine and available for various operating systems. Click any of the following link to know about the OCR Engine and their respective configuration details: The configuration fields change as per the selected OCR Engine. OCR Engine: Select the required OCR Engine to convert the text into a machine-readable format.Configure Engine: Configure the OCR engine used for text extraction.CANCEL: Click CANCEL to cancel the changes.If required, alter the offset coordinates and save them from this screen. Offset: They are coordinates of the reference point selected during image capture with respect to the image.Error Tolerance: Maximum acceptable error tolerance in the image matching while performing the image search during execution.It displays the template image which is used to perform search on screen during runtime. Template Image: This option is available when usage mode is set as reference.Click the ( Settings) icon, a list appears.Full Image: In Full Image mode, you can capture the full image to extract the text using OCR.The coordinates of the selected area are stored for the second selection.Īdditionally, you can capture the image using Browse Local Image and browse the image on your local machine. The second selected rectangular area is a region from where text is extracted using OCR. The first selected rectangular area is stored as a template image which is used to perform search on screen during runtime. Reference: In the reference mode, two rectangular areas are selected from the given image file to capture the image.The grey area in the activity acts as the image placeholder. The coordinates of the selected area are stored no image is captured in this mode. Fixed: In fixed mode, when the image is captured, a rectangular area is selected from the given image file.If OCR Target is set to File, following usage modes are available.The coordinates of the selected area are stored for the second selection.Īdditionally, you can capture the image using Browse local Image and browse the image on your local machine. Reference: In the reference mode, two rectangular areas are selected to capture the image.Fixed: In fixed mode, when the image is captured, a rectangular area is selected.If OCR Target is set to Desktop, following usage modes are available.In the Fixed list, select the usage mode as per your requirement.These icons are displayed once the image is captured in the activity window. If OCR Target is set to File in the properties pane of the Text Extractor activity, then configure the image or define the image path in the Image File property in the properties pane.Īdditionally, you can use the (recapture image) icon and the ( delete) icon in the image activity to recapture or delete the image.
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