Start » Filter Reference » Computer Vision » Optical Character Recognition » ExtractText2
Module: | OCR |
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Ready-to-use tool for extracting and splitting text elements to single characters.
Name | Type | Range | Description | |
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inImage | Image | An input image with text | ||
inRoi | Rectangle2D | Location of the text | ||
inRoiAlignment | CoordinateSystem2D | Adjusts the region of interest to the position of the inspected object | ||
inPolarity | Polarity | Text polarity | ||
inCharWidth | Integer | 5 - 200 | Width of a single character in pixels | |
inStrokeWidth | Integer* | 1 - 50 | Width of the stroke of the letters in pixels | |
inMinWordGap | Integer* | 1 - 200 | Width of the smallest gap between letters that is to be treated as a space in pixels | |
outCharacters | RegionArray | Regions representing individual characters aligned to the ROI | ||
diagAlignedCharacters | RegionArray | Regions representing individual characters aligned to the Image |
Errors
This filter can throw an exception to report error. Read how to deal with errors in Error Handling.
List of possible exceptions:
Error type | Description |
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DomainError | inPolarity must be specified as Dark or Bright in ExtractText2. |
DomainError | inRoi is to narrow to fit a single character in ExtractText2. |
DomainError | It is impossible for inStrokeWidth to be greater than inCharWidth in ExtractText2. |
Complexity Level
This filter is available on Basic Complexity Level.