Back to Aurora Vision Studio website

You are here: Start » Filter Reference » Computer Vision » Optical Character Recognition » ExtractText2

ExtractText2

Basic

Module: OCR

Ready-to-use tool for extracting and splitting text elements to single characters.

Name Type Range Description
Input value inImage Image An input image with text
Input value inRoi Rectangle2D Location of the text
Input value inRoiAlignment CoordinateSystem2D Adjusts the region of interest to the position of the inspected object
Input value inPolarity Polarity Text polarity
Input value inCharWidth Integer 5 - 200 Width of a single character in pixels
Input value inStrokeWidth Integer* 1 - 50 Width of the stroke of the letters in pixels
Input value inMinWordGap Integer* 1 - 200 Width of the smallest gap between letters that is to be treated as a space in pixels
Output value outCharacters RegionArray Regions representing individual characters aligned to the ROI
Diagnostic input 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
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.