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Table of contents

The following diagram shows how sections connect to each other to form tasks:

1.Region Pre-Detection
2.1.Shared Detection
2.2.Barcode Localization
2.2.Text-line Localization
2.2.Document Detection
3.Barcode Decoding
3.Text-line Recognition
3.Document Deskewing
4.Image Enhancement

In this article, we’ll discuss the section Document Deskewing which is usually the 3rd section of a “Normalize-a-Document” task.

Section 3 - Document Deskewing

The purpose of this section is to generate a standard rectangular image of the “document” localized in the section “Document Detection”.

A document is an object that exhibit clear boundaries.

Constituting Stages

This section consists of just one stage:

  • Document-deskewing: to deskew the document which may involve one or several of these actions:
    • Deskew
    • Perspective correction

Output and Parameters

Stage Intermediate Result Type Related Parameter
Document-deskewing IRUT_DESKEWED_IMAGE PageSize, DeskewMode

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