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ByteScout Sensitive Data Suite – VB.NET – Remove Sensitive Data From Image

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How to remove sensitive data from image in VB.NET with ByteScout Sensitive Data Suite

How to write a robust code in VB.NET to remove sensitive data from image with this step-by-step tutorial

The sample shows instructions and algorithm of how to remove sensitive data from image and how to make it run in your VB.NET application. ByteScout Sensitive Data Suite is the set that includes SDK tools from ByteScout for working with sensitive and personal data. With these tools you may analyze, redact, remove, blackout sensitive data in documents and pdf and you can use it to remove sensitive data from image with VB.NET.

The following code snippet for ByteScout Sensitive Data Suite works best when you need to quickly remove sensitive data from image in your VB.NET application. 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! Further improvement of the code will make it more robust.

You can download free trial version of ByteScout Sensitive Data Suite from our website to see and try many others source code samples for VB.NET.

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Module1.vb
      
Imports System.IO
Imports System.Drawing
Imports Bytescout.PDFExtractor

Class Program

    Shared Sub Main(ByVal args As String())

        Dim input As String = "scanned_sample_EmailSSN.png"
        Dim result As String = "result.png"

        Using detector As New SensitiveDataDetector("demo", "demo")

            ' Enable OCR mode And provide path to data folder
            detector.OCRMode = OCRMode.Auto
            detector.OCRLanguageDataFolder = "c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\"

            detector.LoadDocumentFromFile(input)

            ' Detect sensitive data
            Dim detectionResults As SensitiveDataDetectionResults = detector.PerformDetection()

            If detectionResults.DetectedItems.Length > 0 Then

                Using image As Image = Image.FromFile(input)

                    ' Create new bitmap, as graphics object require indexed pixel format 
                    Using newBitmap As New Bitmap(image.Width, image.Height)

                        Using g As Graphics = Graphics.FromImage(newBitmap)

                            g.DrawImage(image, 0, 0)

                            For Each detectedItem As DetectedSensitiveItem In detectionResults.DetectedItems

                                ' Convert coordinates from Points (1/72") to display pixels

                                Dim rect As Rectangle = New Rectangle(
                                        CInt(detectedItem.Rectangle.X * 96 / 72),
                                        CInt(detectedItem.Rectangle.Y * 96 / 72),
                                        CInt(detectedItem.Rectangle.Width * 96 / 72),
                                        CInt(detectedItem.Rectangle.Height * 96 / 72))

                                ' Paint over the detected item with a white Or black brush
                                g.FillRectangle(Brushes.Black, rect)

                            Next

                        End Using

                        newBitmap.Save(result)

                    End Using

                End Using

            End If

        End Using

        ' Open output file with attached application
        Process.Start(result)

    End Sub

End Class

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RemoveSensitiveDataFromImage.NETCore.vbproj
      
<?xml version="1.0" encoding="utf-8"?>
<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp2.0</TargetFramework>
    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
    <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
    <GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
    <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
    <GenerateAssemblyTrademarkAttribute>false</GenerateAssemblyTrademarkAttribute>
    <GenerateAssemblyCultureAttribute>false</GenerateAssemblyCultureAttribute>
    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
  </PropertyGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
    <None Include="..\..\scanned_sample_EmailSSN.png" Link="scanned_sample_EmailSSN.png">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
  </ItemGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.Windows.Compatibility" Version="2.0.0" />
  </ItemGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>c:\Program Files\Bytescout PDF Extractor SDK\netcoreapp2.0\Bytescout.PDFExtractor.dll</HintPath>
    </Reference>
    <Reference Include="Bytescout.PDFExtractor.OCRExtension">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>c:\Program Files\Bytescout PDF Extractor SDK\netcoreapp2.0\Bytescout.PDFExtractor.OCRExtension.dll</HintPath>
    </Reference>
  </ItemGroup>
</Project>

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RemoveSensitiveDataFromImage.VS2005.vbproj
      
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>8.0.50727</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{ECE4C758-259D-4A66-BBE5-C8922179A44C}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>Sub Main</StartupObject>
    <RootNamespace>RemoveSensitiveDataFromImage</RootNamespace>
    <AssemblyName>RemoveSensitiveDataFromImage</AssemblyName>
    <MyType>Console</MyType>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <DefineDebug>true</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Debug\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <DefineDebug>false</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net2.00\Bytescout.PDFExtractor.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
  </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" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="..\..\scanned_sample_EmailSSN.png">
      <Link>scanned_sample_EmailSSN.png</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\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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RemoveSensitiveDataFromImage.VS2008.vbproj
      
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>9.0.21022</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{ECE4C758-259D-4A66-BBE5-C8922179A44C}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>Sub Main</StartupObject>
    <RootNamespace>RemoveSensitiveDataFromImage</RootNamespace>
    <AssemblyName>RemoveSensitiveDataFromImage</AssemblyName>
    <MyType>Console</MyType>
    <OldToolsVersion>2.0</OldToolsVersion>
    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <DefineDebug>true</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Debug\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <DefineDebug>false</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net3.50\Bytescout.PDFExtractor.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
  </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" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="..\..\scanned_sample_EmailSSN.png">
      <Link>scanned_sample_EmailSSN.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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ON-DEMAND REST WEB API

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RemoveSensitiveDataFromImage.VS2010.vbproj
      
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>
    </ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{ECE4C758-259D-4A66-BBE5-C8922179A44C}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>Sub Main</StartupObject>
    <RootNamespace>RemoveSensitiveDataFromImage</RootNamespace>
    <AssemblyName>RemoveSensitiveDataFromImage</AssemblyName>
    <MyType>Console</MyType>
    <OldToolsVersion>3.5</OldToolsVersion>
    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <DefineDebug>true</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Debug\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <DefineDebug>false</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DocumentationFile>RemoveSensitiveDataFromImage.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net4.00\Bytescout.PDFExtractor.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
  </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" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="..\..\scanned_sample_EmailSSN.png">
      <Link>scanned_sample_EmailSSN.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>

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Sensitive Data Suite Home Page

Explore ByteScout Sensitive Data Suite Documentation

Explore Samples

Sign Up for ByteScout Sensitive Data Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Sensitive Data Suite Home Page

Explore ByteScout Sensitive Data Suite Documentation

Explore Samples

Sign Up for ByteScout Sensitive Data Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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