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‎.github/workflows/dotnet-desktop.yml‎

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name: "Deploy yolov7 wpf demo"
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on:
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push:
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tags:
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- "yolov7-wpf/v*"
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env:
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PROJECT_PATH: ml_yolov7_wpf_demo.csproj
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jobs:
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deploy:
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runs-on: windows-latest
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steps:
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- uses: actions/checkout@v2
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- uses: actions/setup-dotnet@v3
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with:
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dotnet-version: 6.0.x
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- run: dotnet restore ${{ env.PROJECT_PATH }}
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#- run: dotnet build ${{ env.PROJECT_PATH }} -c Release --no-restore --self-contained -r win-x64 -p:PublishSingleFile=true -p:IncludeNativeLibrariesForSelfExtract=true
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- run: dotnet publish ${{ env.PROJECT_PATH }} -c Release
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- uses: actions/create-release@v1
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id: create_release
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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with:
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tag_name: ${{ github.ref }}
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release_name: ${{ github.ref }}
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- uses: csexton/release-asset-action@v2
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with:
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github-token: ${{ secrets.GITHUB_TOKEN }}
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pattern: bin\Release\net6.0-windows\win-x64\publish\*.exe
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release-url: ${{ steps.create_release.outputs.upload_url }}

‎.gitignore‎

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## Ignore Visual Studio temporary files, build results, and
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## files generated by popular Visual Studio add-ons.
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# User-specific files
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*.suo
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*.user
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*.sln.docstates
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# Build results
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[Dd]ebug/
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[Dd]ebugPublic/
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[Rr]elease/
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[Rr]eleases/
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x64/
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build/
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bld/
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[Bb]in/
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[Oo]bj/
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# Roslyn cache directories
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*.ide/
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# MSTest test Results
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[Tt]est[Rr]esult*/
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[Bb]uild[Ll]og.*
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#NUNIT
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*.VisualState.xml
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TestResult.xml
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# Build Results of an ATL Project
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[Dd]ebugPS/
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[Rr]eleasePS/
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dlldata.c
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*_i.c
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*_p.c
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*_i.h
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*.ilk
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*.meta
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*.obj
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*.pch
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*.pdb
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*.pgc
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*.pgd
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*.rsp
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*.sbr
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*.tlb
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*.tli
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*.tlh
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*.tmp
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*.tmp_proj
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*.log
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*.vspscc
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*.vssscc
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.builds
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*.pidb
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*.svclog
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*.scc
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# Chutzpah Test files
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_Chutzpah*
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# Visual C++ cache files
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ipch/
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*.aps
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*.ncb
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*.opensdf
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*.sdf
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*.cachefile
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# Visual Studio profiler
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*.psess
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*.vsp
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*.vspx
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# TFS 2012 Local Workspace
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$tf/
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# Guidance Automation Toolkit
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*.gpState
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# ReSharper is a .NET coding add-in
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_ReSharper*/
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*.[Rr]e[Ss]harper
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*.DotSettings.user
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# JustCode is a .NET coding addin-in
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.JustCode
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# TeamCity is a build add-in
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_TeamCity*
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# DotCover is a Code Coverage Tool
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*.dotCover
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# NCrunch
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_NCrunch_*
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.*crunch*.local.xml
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# MightyMoose
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*.mm.*
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AutoTest.Net/
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# Web workbench (sass)
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.sass-cache/
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# Installshield output folder
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[Ee]xpress/
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# DocProject is a documentation generator add-in
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DocProject/buildhelp/
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DocProject/Help/*.HxT
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DocProject/Help/*.HxC
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DocProject/Help/*.hhc
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DocProject/Help/*.hhk
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DocProject/Help/*.hhp
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DocProject/Help/Html2
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DocProject/Help/html
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# Click-Once directory
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publish/
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# Publish Web Output
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*.[Pp]ublish.xml
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*.azurePubxml
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## TODO: Comment the next line if you want to checkin your
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## web deploy settings but do note that will include unencrypted
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## passwords
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*.pubxml
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# NuGet Packages Directory
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packages/*
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## TODO: If the tool you use requires repositories.config
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## uncomment the next line
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#!packages/repositories.config
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# Enable "build/" folder in the NuGet Packages folder since
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# NuGet packages use it for MSBuild targets.
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# This line needs to be after the ignore of the build folder
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# (and the packages folder if the line above has been uncommented)
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!packages/build/
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# Windows Azure Build Output
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csx/
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*.build.csdef
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# Windows Store app package directory
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AppPackages/
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# Others
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sql/
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*.Cache
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ClientBin/
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[Ss]tyle[Cc]op.*
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~$*
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*~
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*.dbmdl
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*.dbproj.schemaview
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*.pfx
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*.publishsettings
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node_modules/
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# RIA/Silverlight projects
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Generated_Code/
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# Backup & report files from converting an old project file
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# to a newer Visual Studio version. Backup files are not needed,
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# because we have git ;-)
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_UpgradeReport_Files/
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Backup*/
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UpgradeLog*.XML
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UpgradeLog*.htm
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# SQL Server files
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*.mdf
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*.ldf
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# Business Intelligence projects
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*.rdl.data
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*.bim.layout
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*.bim_*.settings
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# Microsoft Fakes
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FakesAssemblies/
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git_stats/*
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*.ncrunchproject
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StyleCop.Cache
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bin
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obj

‎App.xaml‎

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<Application x:Class="ml_yolov7_wpf_demo.App"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>

‎App.xaml.cs‎

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using System.Windows;
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namespace ml_yolov7_wpf_demo;
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/// <summary>
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/// Interaction logic for App.xaml
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/// </summary>
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public partial class App : Application
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{
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}

‎AssemblyInfo.cs‎

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using System.Windows;
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[assembly: ThemeInfo(
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ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
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//(used if a resource is not found in the page,
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// or application resource dictionaries)
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ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
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//(used if a resource is not found in the page,
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// app, or any theme specific resource dictionaries)
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)]

‎MainWindow.xaml‎

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<Window x:Class="ml_yolov7_wpf_demo.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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mc:Ignorable="d"
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WindowStartupLocation="CenterScreen"
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Title="yolov7_wpf" Height="450" Width="800">
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="30*" />
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<ColumnDefinition Width="349*" />
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<ColumnDefinition Width="30*" />
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</Grid.ColumnDefinitions>
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<Image Margin="12,12,16,71" Name="imgPhoto"
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Stretch="Uniform" Grid.Column="1" />
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<Button Height="23" HorizontalAlignment="Left"
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Margin="20,0,0,34" Name="btnLoadModel" VerticalAlignment="Bottom"
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Width="75" Grid.Column="1" Click="btnLoadModel_Click">
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_Load Model
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</Button>
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<Button Height="23" HorizontalAlignment="Center"
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Margin="20,0,0,34" Name="btnLoad" VerticalAlignment="Bottom"
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Width="75" Grid.Column="1" Click="btnLoad_Click">
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_Load Image
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</Button>
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<Button Height="23" HorizontalAlignment="right"
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Margin="12,0,20,34" Name="btnProcess" VerticalAlignment="Bottom"
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Width="75" Grid.Column="1" Click="btnProcess_Click">
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_Process
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</Button>
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</Grid>
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</Window>

‎MainWindow.xaml.cs‎

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Windows;
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using System.Windows.Media.Imaging;
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using Microsoft.Win32;
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using Yolov5Net.Scorer;
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using Yolov5Net.Scorer.Models;
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namespace ml_yolov7_wpf_demo;
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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public string ImageFilePath = "";
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public YoloScorer<YoloCocoP5Model> Scorer;
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public MainWindow()
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{
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InitializeComponent();
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}
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private void btnLoad_Click(object sender, RoutedEventArgs e)
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{
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var op = new OpenFileDialog();
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op.Title = "Select an image";
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op.Filter = "All supported graphics|*.jpg;*.jpeg;*.png|" +
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"JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" +
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"Portable Network Graphic (*.png)|*.png";
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if (op.ShowDialog() == true)
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{
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ImageFilePath = op.FileName;
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imgPhoto.Source = new BitmapImage(new Uri(op.FileName));
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}
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}
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private void btnProcess_Click(object sender, RoutedEventArgs e)
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{
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var image = Image.FromFile(ImageFilePath);
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List<YoloPrediction> predictions = Scorer.Predict(image);
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using var graphics = Graphics.FromImage(image);
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foreach (var prediction in predictions)
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{
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var score = Math.Round(prediction.Score, 2);
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graphics.DrawRectangles(new Pen(prediction.Label.Color, 3),
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new[] { prediction.Rectangle });
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var (x, y) = (prediction.Rectangle.X - 3, prediction.Rectangle.Y - 23);
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graphics.DrawString($"{prediction.Label.Name} ({score})",
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new Font("Consolas", 16, GraphicsUnit.Pixel), new SolidBrush(prediction.Label.Color),
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new PointF(x, y));
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}
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var bitmap = new BitmapImage();
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using (var stream = new MemoryStream())
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{
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image.Save(stream, ImageFormat.Jpeg);
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stream.Seek(0, SeekOrigin.Begin);
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bitmap.BeginInit();
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bitmap.StreamSource = stream;
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bitmap.CacheOption = BitmapCacheOption.OnLoad;
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bitmap.EndInit();
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}
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imgPhoto.Source = bitmap;
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}
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private void btnLoadModel_Click(object sender, RoutedEventArgs e)
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{
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var op = new OpenFileDialog();
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op.Title = "Select an ONNX model file";
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op.Filter = "Onnx mode file|*.onnx;";
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if (op.ShowDialog() == true)
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{
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var modelFilePath = op.FileName;
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Scorer = new YoloScorer<YoloCocoP5Model>(modelFilePath);
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}
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}
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}

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