VB.NET OCR and Barcode Recognition

High performance, royalty-free VB.NET OCR and barcode recognition on Windows 32bit and 64bit

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VB.NET OCR Demos

Basics

Programming with Asprise OCR is very straightforward. Below is the typical source code sample in VB.NET to recognize images:

Imports asprise_ocr_api
Private ocr As AspriseOCR
AspriseOCR.SetUp()
ocr = New AspriseOCR()
ocr.StartEngine("eng", AspriseOCR.SPEED_FASTEST)

Dim s As String = ocr.Recognize("img.jpg", -1, -1, -1, -1, -1, AspriseOCR.RECOGNIZE_TYPE_ALL, AspriseOCR.OUTPUT_FORMAT_PLAINTEXT)
Console.WriteLine("OCR Result: " & s)
' process more images here ...

ocr.StopEngine()

With the below sample input image:

Extract Text and Barcodes in Plain Text Format

Asprise OCR and Barcode Recognition

High performance, royalty-free OCR and barcode recognition on Windows,
...
ISBN-l3, Interleaved 2 of 5, Code 39, Code 128, PDF417, and QR Code.

[[QR-Code: www.asprise.com]]
[[CODE-128: Asprise]].

XML Format Provides Information Like Confidence and Coordinates & Tables

If you need additional information like accuracy confidence and text coordinates, you can select XML as the output format. Additionally, table information like rows and cells are also available in XML.

<?xml version="1.0"?>
<asprise-ocr input="test-image.png">
  <page no="1" width="2400" height="3200" words="124" confidence="92">
    <block type="text"  x="320" y="248" width="1176" height="63" words="5" confidence="88">
Asprise OCR and Barcode Recognition
    </block>
...
    <block type="barcode" subtype="QR-Code" x="1397" y="1647" width="441" height="441">www.asprise.com</block>
    <block type="barcode" subtype="CODE-128" x="348" y="1651" width="583" height="147">Asprise</block>
  </page>
</asprise-ocr>

Click here to view the actual XML