ByteScout Text Recognition SDK - VB.NET - Recognize Text From Document - ByteScout

ByteScout Text Recognition SDK – VB.NET – Recognize Text From Document

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How to recognize text from document in VB.NET with ByteScout Text Recognition SDK

How to code in VB.NET to recognize text from document with this step-by-step tutorial

Learn how to recognize text from document in VB.NET with this source code sample. ByteScout Text Recognition SDK is the software development kit for automatic text recognition and OCR from pdf documents and images. Can recognize English and non-English languages. It can recognize text from document in VB.NET.

Fast application programming interfaces of ByteScout Text Recognition SDK for VB.NET plus the instruction and the code below will help you quickly learn how to recognize text from document. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! You can use these VB.NET sample examples in one or many applications.

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Module1.vb
      
Imports Bytescout.TextRecognition Module Module1 Sub Main() Dim inputDocument As String = ".\invoice-sample.png" Dim outputDocument As String = ".\result.txt" ' Create and activate TextRecognizer instance Using textRecognizer As TextRecognizer = New TextRecognizer("demo", "demo") Try ' Load document (image or PDF) textRecognizer.LoadDocument(inputDocument) ' 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

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TextRecognitionExample.sln
      
Microsoft Visual Studio Solution File, Format Version 11.00 # Visual Studio 2010 Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "TextRecognitionExample", "TextRecognitionExample.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

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TextRecognitionExample.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>TextRecognitionExample.Module1</StartupObject> <RootNamespace>TextRecognitionExample</RootNamespace> <AssemblyName>TextRecognitionExample</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>TextRecognitionExample.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>TextRecognitionExample.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.Data" /> <Reference Include="System.Deployment" /> <Reference Include="System.Xml" /> <Reference Include="System.Core" /> <Reference Include="System.Xml.Linq" /> <Reference Include="System.Data.DataSetExtensions" /> </ItemGroup> <ItemGroup> <Import Include="Microsoft.VisualBasic" /> <Import Include="System" /> <Import Include="System.Collections" /> <Import Include="System.Collections.Generic" /> <Import Include="System.Data" /> <Import Include="System.Diagnostics" /> <Import Include="System.Linq" /> <Import Include="System.Xml.Linq" /> </ItemGroup> <ItemGroup> <Compile Include="Module1.vb" /> <Compile Include="My Project\AssemblyInfo.vb" /> <Compile Include="My Project\Application.Designer.vb"> <AutoGen>True</AutoGen> <DependentUpon>Application.myapp</DependentUpon> </Compile> <Compile Include="My Project\Resources.Designer.vb"> <AutoGen>True</AutoGen> <DesignTime>True</DesignTime> <DependentUpon>Resources.resx</DependentUpon> </Compile> <Compile Include="My Project\Settings.Designer.vb"> <AutoGen>True</AutoGen> <DependentUpon>Settings.settings</DependentUpon> <DesignTimeSharedInput>True</DesignTimeSharedInput> </Compile> </ItemGroup> <ItemGroup> <EmbeddedResource Include="My Project\Resources.resx"> <Generator>VbMyResourcesResXFileCodeGenerator</Generator> <LastGenOutput>Resources.Designer.vb</LastGenOutput> <CustomToolNamespace>My.Resources</CustomToolNamespace> <SubType>Designer</SubType> </EmbeddedResource> </ItemGroup> <ItemGroup> <None Include="My Project\Application.myapp"> <Generator>MyApplicationCodeGenerator</Generator> <LastGenOutput>Application.Designer.vb</LastGenOutput> </None> <None Include="My Project\Settings.settings"> <Generator>SettingsSingleFileGenerator</Generator> <CustomToolNamespace>My</CustomToolNamespace> <LastGenOutput>Settings.Designer.vb</LastGenOutput> </None> </ItemGroup> <ItemGroup> <Content Include="..\..\invoice-sample.png"> <Link>invoice-sample.png</Link> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </Content> </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>

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