ByteScout Text Recognition SDK – VB.NET – Screen Text Reader

Home
/
Articles
/
ByteScout Text Recognition SDK – VB.NET – Screen Text Reader

printable version:
ByteScout-Text-Recognition-SDK-VB-NET-Screen-Text-Reader.pdf

screen text reader in VB.NET with ByteScout Text Recognition SDK

ByteScout Text Recognition SDK is the SDK designed to help developers in quick implementation of high quality OCR text recognition from scanned images and pdf.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Module1.vb

      Imports System
Imports System.Diagnostics
Imports Bytescout.TextRecognition

Module Module1

    Sub Main()

        Dim outputDocument As String = ".\result.txt"

        ' Create and activate TextRecognizer instance
        Using textRecognizer As TextRecognizer = New TextRecognizer("demo", "demo")

            Try
                ' Create ScreenshotMaker instance
                Dim screenshotMaker As ScreenshotMaker = new ScreenshotMaker()
                ' Set rectangle to take screenshot from
                screenshotMaker.SetScreenshotArea(0, 0, 200, 200)

                ' Load screenshot
                textRecognizer.LoadDocument(screenshotMaker)

                ' Set the location of OCR language data files
                textRecognizer.OCRLanguageDataFolder = "c:\Program Files\ByteScout Text Recognition SDK\ocrdata_best\"

                ' Set OCR language.
                ' "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish, etc. - according to files in "ocrdata" folder
                ' Find more language files at https://github.com/bytescout/ocrdata
                textRecognizer.OCRLanguage = "eng" 
                
                ' Recognize text from all pages and save it to file
                textRecognizer.SaveText(outputDocument)

                ' Open the result file in default associated application (for demo purposes)
                Process.Start(outputDocument)

            Catch exception As Exception

                Console.WriteLine(exception)

            End Try

        End Using

    End Sub

End Module

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Text Recognition SDK Home Page

Explore ByteScout Text Recognition SDK Documentation

Explore Samples

Sign Up for ByteScout Text Recognition SDK Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

ScreenTextReader.sln

      
Microsoft Visual Studio Solution File, Format Version 11.00
# Visual Studio 2010
Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "ScreenTextReader", "ScreenTextReader.vbproj", "{E5339352-1EBE-4547-B281-88D9FEEF92D7}"
EndProject
Global
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|Any CPU = Debug|Any CPU
		Release|Any CPU = Release|Any CPU
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{E5339352-1EBE-4547-B281-88D9FEEF92D7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{E5339352-1EBE-4547-B281-88D9FEEF92D7}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{E5339352-1EBE-4547-B281-88D9FEEF92D7}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{E5339352-1EBE-4547-B281-88D9FEEF92D7}.Release|Any CPU.Build.0 = Release|Any CPU
	EndGlobalSection
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE
	EndGlobalSection
EndGlobal

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Text Recognition SDK Home Page

Explore ByteScout Text Recognition SDK Documentation

Explore Samples

Sign Up for ByteScout Text Recognition SDK Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

ScreenTextReader.vbproj

      <?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>
    </ProductVersion>
    <SchemaVersion>
    </SchemaVersion>
    <ProjectGuid>{E5339352-1EBE-4547-B281-88D9FEEF92D7}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>ScreenTextReader.Module1</StartupObject>
    <RootNamespace>ScreenTextReader</RootNamespace>
    <AssemblyName>ScreenTextReader</AssemblyName>
    <FileAlignment>512</FileAlignment>
    <MyType>Console</MyType>
    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
  </PropertyGroup>
  <PropertyGroup>
    <OptionExplicit>On</OptionExplicit>
  </PropertyGroup>
  <PropertyGroup>
    <OptionCompare>Binary</OptionCompare>
  </PropertyGroup>
  <PropertyGroup>
    <OptionStrict>Off</OptionStrict>
  </PropertyGroup>
  <PropertyGroup>
    <OptionInfer>On</OptionInfer>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
    <DebugSymbols>true</DebugSymbols>
    <DefineDebug>true</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Debug\</OutputPath>
    <DocumentationFile>ScreenTextReader.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
    <DebugType>full</DebugType>
    <PlatformTarget>AnyCPU</PlatformTarget>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Release\</OutputPath>
    <DocumentationFile>ScreenTextReader.xml</DocumentationFile>
    <Optimize>true</Optimize>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
    <DebugType>pdbonly</DebugType>
    <PlatformTarget>AnyCPU</PlatformTarget>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="ByteScout.TextRecognition">
      <HintPath>C:\Program Files\ByteScout Text Recognition SDK\net4.00\ByteScout.TextRecognition.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Core" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml.Linq" />
    <Reference Include="System.Data" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="..\..\invoice-sample.png">
      <Link>invoice-sample.png</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <ItemGroup>
    <Folder Include="My Project\" />
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
  <Target Name="BeforeBuild">
  </Target>
  <Target Name="AfterBuild">
  </Target>
  -->
</Project>