dotnet add package OpenCvSharp4 --version
NuGet\Install-Package OpenCvSharp4 -Version
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="OpenCvSharp4" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add OpenCvSharp4 --version
#r "nuget: OpenCvSharp4,"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install OpenCvSharp4 as a Cake Addin
#addin nuget:?package=OpenCvSharp4&version=

// Install OpenCvSharp4 as a Cake Tool
#tool nuget:?package=OpenCvSharp4&version=

OpenCV wrapper for .NET. Since this package includes only core managed libraries, another package of native bindings for your OS is required (OpenCvSharp4.runtime.*).

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 is compatible.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (111)

Showing the top 5 NuGet packages that depend on OpenCvSharp4:

Package Downloads

OpenCV 4.x wrapper. All-in-one package for Windows users.


OpenCvSharp WPF extension library.


OpenCvSharp GDI+ extension library.


OpenCV for VL


Wrapper over Selenium WebDriver for .NET

GitHub repositories (20)

Showing the top 5 popular GitHub repositories that depend on OpenCvSharp4:

Repository Stars
Advanced real-time screen translator for games, hardcoded subtitles in videos, static text and etc.
.Net port of the original java-based barcode reader and generator library zxing
The world's simplest facial recognition api for .NET on Windows, MacOS and Linux
.NET/C# binding for Baidu paddle inference library and PaddleOCR
一款优雅的UWP文件管理器 | An elegant UWP Explorer
Version Downloads Last updated 534 6/16/2024 339 6/15/2024 136,623 1/3/2024 211,396 7/10/2023 391,695 1/15/2023 353,764 6/8/2022 298,101 12/31/2021 53,595 12/28/2021 19,741 12/7/2021 2,725 12/5/2021 143,918 8/21/2021 36,087 7/25/2021 186,800 4/4/2021 72,662 2/10/2021 3,549 2/8/2021 2,601 2/6/2021 35,080 1/24/2021 50,180 12/29/2020 10,517 12/26/2020 88,219 10/13/2020 43,883 9/16/2020 92,094 7/25/2020 57,348 7/8/2020 152,940 5/27/2020 58,390 4/21/2020 21,637 4/5/2020 69,360 2/8/2020 94,198 1/8/2020 15,078 12/23/2019 34,488 12/17/2019 57,327 11/10/2019 15,999 10/27/2019 2,283 10/25/2019 2,719 10/23/2019 3,327 10/18/2019 180,275 4/16/2019 29,796 3/26/2019 70,597 1/8/2019 7,356 12/25/2018