VL.OpenCV 4.0.0-preview

.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher.
This is a prerelease version of VL.OpenCV.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package VL.OpenCV --version 4.0.0-preview
                    


                    

                
NuGet\Install-Package VL.OpenCV -Version 4.0.0-preview
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="VL.OpenCV" Version="4.0.0-preview" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="VL.OpenCV" Version="4.0.0-preview" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="VL.OpenCV" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add VL.OpenCV --version 4.0.0-preview
                    


                    

                
#r "nuget: VL.OpenCV, 4.0.0-preview"
#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. 
#:package VL.OpenCV@4.0.0-preview
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=VL.OpenCV&version=4.0.0-preview&prerelease
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=VL.OpenCV&version=4.0.0-preview&prerelease
                    


                            Install as a Cake Tool

VL.OpenCV

Computer vision library with the following features:

  • Image filters
  • Feature detection and tracking
  • Aruco 3D marker tracking
  • Camera and projector calibration
  • ...

Not GPU accalerated!

For use with vvvv, the visual live-programming environment for .NET: http://visualprogramming.net

Getting started

  • Install as described here via commandline:

    nuget install VL.OpenCV

  • Usage examples and more information are included in the pack and can be found via the Help Browser

Contributing

Credits

Product Compatible and additional computed target framework versions.
.NET net8.0-windows7.0 is compatible.  net9.0-windows was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (3)

Showing the top 3 NuGet packages that depend on VL.OpenCV:

Package Downloads
VL.BadMapper

Projection mapping tools for VL
VL.Wekinator

A set of nodes to easily interact with The Wekinator in VL
VL.DlibDotNet

DlibDotNet for VL

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on VL.OpenCV:

Repository Stars
DigitalPlatform/dp2
Integrated Library System / 图书馆集成系统
Version Downloads Last Updated
4.0.2 338 8/20/2025
4.0.1 189 8/19/2025
4.0.0 403 5/19/2025
4.0.0-preview 189 5/19/2025
3.1.0-preview 150 5/17/2025
3.0.3 855 11/18/2024
2.6.4 247 10/27/2024
2.6.3 285 10/5/2024
2.6.2 356 8/16/2024
2.6.1 620 4/24/2024
2.6.0 272 4/16/2024
2.5.4 249 4/10/2024
2.5.3 494 2/29/2024
2.5.2 197 2/28/2024
2.5.1 2,972 9/10/2022
2.5.0 1,000 5/26/2022
2.4.0 891 4/19/2022
2.3.0 755 4/8/2022
2.2.0 680 4/8/2022
2.1.0 2,199 8/13/2021
2.0.8-preview 456 7/26/2021
2.0.7-preview 406 7/20/2021
2.0.6-preview 475 4/28/2021
2.0.5-preview 431 3/31/2021
2.0.4-preview 573 1/14/2021
2.0.3-preview 394 1/14/2021
2.0.2-preview 446 1/7/2021
2.0.1-preview 444 1/7/2021
2.0.0 1,014 3/31/2021
2.0.0-preview 463 1/6/2021
1.2.1 1,219 1/4/2021
1.2.0 816 12/16/2020
1.1.4 2,191 11/16/2020
1.1.3 847 11/13/2020
1.1.2 1,227 10/1/2020
1.1.1 731 10/1/2020
1.1.0 780 9/24/2020
1.0.3 807 9/9/2020
1.0.2 800 9/9/2020
1.0.1 727 8/29/2020
1.0.0 1,034 4/30/2020
0.2.144-alpha 662 3/24/2020
0.2.143-alpha 532 3/23/2020
0.2.142-alpha 564 3/17/2020
0.2.141-alpha 606 3/6/2020
0.2.140-alpha 585 2/24/2020
0.2.139-alpha 570 2/24/2020
0.2.138-alpha 641 2/20/2020
0.2.137-alpha 622 2/19/2020
0.2.136-alpha 592 2/18/2020
0.2.135-alpha 588 2/18/2020
0.2.134-alpha 538 2/17/2020
0.2.133-alpha 742 10/31/2019
0.2.132-alpha 774 10/12/2019
0.2.131-alpha 625 10/4/2019
0.2.130-alpha 629 9/16/2019
0.2.129-alpha 670 8/27/2019
0.2.128-alpha 592 8/26/2019
0.2.127-alpha 628 8/23/2019
0.2.126-alpha 563 8/21/2019
0.2.125-alpha 606 8/15/2019
0.2.122-alpha 624 8/13/2019
0.2.121-alpha 656 8/7/2019
0.2.120-alpha 601 8/7/2019
0.2.119-alpha 583 8/7/2019
0.2.118-alpha 590 8/7/2019
0.2.117-alpha 635 8/7/2019
0.2.116-alpha 634 8/7/2019
0.2.115-alpha 617 8/7/2019
0.2.114-alpha 617 8/7/2019
0.2.113-alpha 632 8/7/2019
0.2.112-alpha 660 8/7/2019
0.2.111-alpha 619 8/7/2019
0.2.110-alpha 627 8/6/2019
0.2.109-alpha 603 8/6/2019
0.2.108-alpha 656 8/6/2019
0.2.107-alpha 622 8/6/2019
0.2.106-alpha 677 7/31/2019
0.2.105-alpha 659 7/31/2019
0.2.104-alpha 601 7/31/2019
0.2.103-alpha 596 7/23/2019
0.2.102-alpha 1,512 6/17/2019
0.2.101-alpha 647 6/11/2019
0.2.99-alpha 676 5/29/2019
0.2.98-alpha 673 5/16/2019
0.2.97-alpha 643 5/14/2019
0.2.95-alpha 677 5/13/2019
0.2.94-alpha 603 5/13/2019
0.2.93-alpha 624 5/13/2019
0.2.92-alpha 705 5/10/2019
0.2.91-alpha 616 5/9/2019
0.2.90-alpha 647 5/7/2019
0.2.89-alpha 685 5/7/2019
0.2.88-alpha 663 5/6/2019
0.2.87-alpha 745 5/2/2019
0.2.86-alpha 702 4/30/2019
0.2.85-alpha 681 4/25/2019
0.2.84-alpha 687 4/24/2019
0.2.83-alpha 709 4/15/2019
0.2.82-alpha 728 4/5/2019
0.2.80-alpha 700 3/30/2019
0.2.79-alpha 658 3/29/2019
0.2.78-alpha 665 3/17/2019
0.2.77-alpha 658 3/17/2019
0.2.76-alpha 697 3/4/2019
0.2.75-alpha 676 2/28/2019
0.2.74-alpha 666 2/26/2019
0.2.73-alpha 716 2/23/2019
0.2.72-alpha 677 2/20/2019
0.2.71-alpha 780 2/12/2019
0.2.70-alpha 726 2/12/2019
0.2.69-alpha 803 2/1/2019
0.2.68-alpha 746 1/29/2019
0.2.65-alpha 693 1/22/2019
0.2.63-alpha 769 12/11/2018
0.2.61-alpha 834 10/23/2018
0.2.60-alpha 793 10/20/2018
0.2.59-alpha 716 10/20/2018
0.2.58-alpha 727 10/20/2018
0.2.57-alpha 891 10/17/2018
0.2.56-alpha 809 9/27/2018
0.2.54-alpha 804 9/24/2018
0.2.51-alpha 795 9/19/2018
0.2.50-alpha 777 9/18/2018
0.2.49-alpha 822 9/12/2018
0.2.48-alpha 829 9/12/2018
0.2.47-alpha 865 8/25/2018
0.2.46-alpha 984 8/3/2018
0.2.45-alpha 994 7/22/2018
0.2.44-alpha 939 7/22/2018
0.2.42-alpha 1,197 7/19/2018
0.2.41-alpha 1,226 7/13/2018
0.2.40-alpha 1,181 7/13/2018
0.2.39-alpha 1,200 7/3/2018
0.2.38-alpha 1,218 6/27/2018
0.2.37-alpha 1,205 6/7/2018
0.2.36-alpha 1,200 6/7/2018
0.2.35-alpha 1,230 6/7/2018
0.2.34-alpha 1,189 6/5/2018
0.2.33-alpha 1,188 6/5/2018
0.2.32-alpha 1,193 6/4/2018
0.2.30-alpha 1,248 5/14/2018
0.2.29-alpha 1,219 5/11/2018
0.2.28-alpha 1,006 5/11/2018
0.2.27-alpha 1,235 5/9/2018
0.2.26-alpha 1,208 5/9/2018
0.2.25-alpha 1,214 5/8/2018
0.2.24-alpha 1,195 5/8/2018
0.2.23-alpha 1,198 5/8/2018
0.2.22-alpha 1,227 5/7/2018
0.2.21-alpha 1,171 5/7/2018
0.2.20-alpha 1,232 5/7/2018
0.2.19-alpha 1,291 5/5/2018
0.2.18-alpha 1,225 5/3/2018
0.2.17-alpha 1,381 4/28/2018
0.2.16-alpha 1,215 4/26/2018
0.2.15-alpha 1,219 4/26/2018
0.2.14-alpha 1,242 4/26/2018
0.2.13-alpha 1,252 4/26/2018
0.2.12-alpha 1,186 4/24/2018
0.2.11-alpha 1,330 4/20/2018
0.2.10-alpha 1,256 4/9/2018
0.2.9-alpha 1,208 4/4/2018
0.2.8-alpha 1,255 3/29/2018
0.2.7-alpha 1,239 3/29/2018
0.2.6-alpha 1,279 3/29/2018
0.2.5-alpha 1,257 3/29/2018
0.2.4-alpha 1,232 3/28/2018
0.2.3-alpha 1,228 3/28/2018
0.2.2-alpha 960 3/28/2018
0.2.1-alpha 1,256 3/28/2018
0.1.99-alpha 1,247 3/26/2018
0.1.98-alpha 1,360 3/23/2018
0.1.97-alpha 1,418 3/23/2018
0.1.93-alpha 1,205 3/22/2018
0.1.92-alpha 1,009 3/22/2018
0.1.91-alpha 1,245 3/22/2018
0.1.90-alpha 1,039 3/21/2018
0.1.89-alpha 1,054 3/21/2018
0.1.88-alpha 1,204 3/21/2018
0.1.87-alpha 1,216 3/20/2018
0.1.86-alpha 1,010 3/20/2018
0.1.85-alpha 1,239 3/20/2018
0.1.84-alpha 1,193 3/19/2018
0.1.83-alpha 1,199 3/19/2018
0.1.82-alpha 1,238 3/19/2018
0.1.81-alpha 1,218 3/16/2018
0.1.80-alpha 1,212 3/16/2018
0.1.79-alpha 1,202 3/16/2018
0.1.78-alpha 1,232 3/16/2018
0.1.77-alpha 1,204 3/16/2018
0.1.76-alpha 1,235 3/16/2018
0.1.75-alpha 1,264 3/15/2018
0.1.74-alpha 1,270 3/14/2018
0.1.73-alpha 1,270 3/14/2018
0.1.72-alpha 1,229 3/14/2018
0.1.71-alpha 1,248 3/14/2018
0.1.70-alpha 1,262 3/14/2018
0.1.69-alpha 1,269 3/14/2018
0.1.68-alpha 1,258 3/14/2018
0.1.67-alpha 1,277 3/14/2018
0.1.66-alpha 1,197 3/14/2018
0.1.65-alpha 1,043 3/13/2018
0.1.64-alpha 1,234 3/12/2018
0.1.63-alpha 1,243 3/12/2018
0.1.62-alpha 1,214 3/9/2018
0.1.61-alpha 1,225 3/8/2018
0.1.60-alpha 1,249 3/8/2018
0.1.59-alpha 1,242 3/8/2018
0.1.58-alpha 1,228 3/7/2018
0.1.57-alpha 1,258 3/7/2018
0.1.56-alpha 1,240 3/7/2018
0.1.55-alpha 1,231 3/7/2018
0.1.54-alpha 1,235 3/6/2018
0.1.53-alpha 1,249 3/6/2018
0.1.52-alpha 1,232 3/5/2018
0.1.51-alpha 1,216 3/4/2018
0.1.50-alpha 1,215 3/3/2018
0.1.49-alpha 1,169 2/28/2018
0.1.48-alpha 1,198 2/27/2018
0.1.47-alpha 1,209 2/27/2018
0.1.46-alpha 1,232 2/27/2018
0.1.45-alpha 1,238 2/26/2018
0.1.44-alpha 1,223 2/23/2018
0.1.43-alpha 1,003 2/23/2018
0.1.42-alpha 967 2/23/2018
0.1.41-alpha 1,215 2/23/2018
0.1.40-alpha 1,215 2/22/2018
0.1.39-alpha 1,001 2/22/2018
0.1.38-alpha 1,186 2/22/2018
0.1.37-alpha 1,211 2/22/2018
0.1.36-alpha 1,014 2/21/2018
0.1.35-alpha 1,244 2/20/2018
0.1.34-alpha 1,212 2/20/2018
0.1.33-alpha 1,240 2/20/2018
0.1.32-alpha 1,280 2/20/2018
0.1.31-alpha 1,216 2/20/2018
0.1.30-alpha 1,212 2/20/2018
0.1.28-alpha 1,276 2/20/2018
0.1.27-alpha 1,206 2/20/2018
0.1.26-alpha 1,236 2/19/2018
0.1.25-alpha 1,260 2/19/2018
0.1.24-alpha 1,221 2/18/2018
0.1.23-alpha 1,223 2/16/2018
0.1.22-alpha 1,242 2/16/2018
0.1.21-alpha 1,234 2/15/2018
0.1.20-alpha 1,196 2/15/2018