VL.OpenCV
4.0.0-preview
This is a prerelease version of VL.OpenCV.
There is a newer version of this package available.
See the version list below for details.
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" />
<PackageReference Include="VL.OpenCV" />
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
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#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
#tool nuget:?package=VL.OpenCV&version=4.0.0-preview&prerelease
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
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.OpenCVUsage examples and more information are included in the pack and can be found via the Help Browser
Contributing
- Please see our Contribution Guide
- For custom development requests, please get in touch
Credits
- Based on OpenCvSharp
- Which in turn in based on OpenCV 4.9.0
- Also using SharpDX MediaFoundation
| Product | Versions 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.
-
- OpenCvSharp4 (>= 4.9.0.20240103)
- OpenCvSharp4.Extensions (>= 4.9.0.20240103)
- OpenCvSharp4.runtime.win (>= 4.9.0.20240103)
NuGet packages (3)
Showing the top 3 NuGet packages that depend on VL.OpenCV:
| Package | Downloads |
|---|---|
|
VL.Wekinator
A set of nodes to easily interact with The Wekinator in VL |
|
|
VL.BadMapper
Projection mapping tools for 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 | 227 | 8/20/2025 |
| 4.0.1 | 157 | 8/19/2025 |
| 4.0.0 | 379 | 5/19/2025 |
| 4.0.0-preview | 168 | 5/19/2025 |
| 3.1.0-preview | 127 | 5/17/2025 |
| 3.0.3 | 837 | 11/18/2024 |
| 2.6.4 | 242 | 10/27/2024 |
| 2.6.3 | 260 | 10/5/2024 |
| 2.6.2 | 335 | 8/16/2024 |
| 2.6.1 | 596 | 4/24/2024 |
| 2.6.0 | 244 | 4/16/2024 |
| 2.5.4 | 233 | 4/10/2024 |
| 2.5.3 | 465 | 2/29/2024 |
| 2.5.2 | 187 | 2/28/2024 |
| 2.5.1 | 2,951 | 9/10/2022 |
| 2.5.0 | 966 | 5/26/2022 |
| 2.4.0 | 881 | 4/19/2022 |
| 2.3.0 | 720 | 4/8/2022 |
| 2.2.0 | 655 | 4/8/2022 |
| 2.1.0 | 2,161 | 8/13/2021 |
| 2.0.8-preview | 425 | 7/26/2021 |
| 2.0.7-preview | 384 | 7/20/2021 |
| 2.0.6-preview | 450 | 4/28/2021 |
| 2.0.5-preview | 395 | 3/31/2021 |
| 2.0.4-preview | 548 | 1/14/2021 |
| 2.0.3-preview | 371 | 1/14/2021 |
| 2.0.2-preview | 426 | 1/7/2021 |
| 2.0.1-preview | 428 | 1/7/2021 |
| 2.0.0 | 985 | 3/31/2021 |
| 2.0.0-preview | 433 | 1/6/2021 |
| 1.2.1 | 1,172 | 1/4/2021 |
| 1.2.0 | 779 | 12/16/2020 |
| 1.1.4 | 2,132 | 11/16/2020 |
| 1.1.3 | 813 | 11/13/2020 |
| 1.1.2 | 1,193 | 10/1/2020 |
| 1.1.1 | 695 | 10/1/2020 |
| 1.1.0 | 756 | 9/24/2020 |
| 1.0.3 | 777 | 9/9/2020 |
| 1.0.2 | 768 | 9/9/2020 |
| 1.0.1 | 690 | 8/29/2020 |
| 1.0.0 | 988 | 4/30/2020 |
| 0.2.144-alpha | 624 | 3/24/2020 |
| 0.2.143-alpha | 489 | 3/23/2020 |
| 0.2.142-alpha | 540 | 3/17/2020 |
| 0.2.141-alpha | 570 | 3/6/2020 |
| 0.2.140-alpha | 553 | 2/24/2020 |
| 0.2.139-alpha | 531 | 2/24/2020 |
| 0.2.138-alpha | 619 | 2/20/2020 |
| 0.2.137-alpha | 586 | 2/19/2020 |
| 0.2.136-alpha | 561 | 2/18/2020 |
| 0.2.135-alpha | 545 | 2/18/2020 |
| 0.2.134-alpha | 515 | 2/17/2020 |
| 0.2.133-alpha | 707 | 10/31/2019 |
| 0.2.132-alpha | 752 | 10/12/2019 |
| 0.2.131-alpha | 604 | 10/4/2019 |
| 0.2.130-alpha | 601 | 9/16/2019 |
| 0.2.129-alpha | 636 | 8/27/2019 |
| 0.2.128-alpha | 572 | 8/26/2019 |
| 0.2.127-alpha | 582 | 8/23/2019 |
| 0.2.126-alpha | 542 | 8/21/2019 |
| 0.2.125-alpha | 559 | 8/15/2019 |
| 0.2.122-alpha | 596 | 8/13/2019 |
| 0.2.121-alpha | 610 | 8/7/2019 |
| 0.2.120-alpha | 566 | 8/7/2019 |
| 0.2.119-alpha | 553 | 8/7/2019 |
| 0.2.118-alpha | 558 | 8/7/2019 |
| 0.2.117-alpha | 604 | 8/7/2019 |
| 0.2.116-alpha | 609 | 8/7/2019 |
| 0.2.115-alpha | 575 | 8/7/2019 |
| 0.2.114-alpha | 576 | 8/7/2019 |
| 0.2.113-alpha | 609 | 8/7/2019 |
| 0.2.112-alpha | 626 | 8/7/2019 |
| 0.2.111-alpha | 573 | 8/7/2019 |
| 0.2.110-alpha | 588 | 8/6/2019 |
| 0.2.109-alpha | 570 | 8/6/2019 |
| 0.2.108-alpha | 623 | 8/6/2019 |
| 0.2.107-alpha | 599 | 8/6/2019 |
| 0.2.106-alpha | 652 | 7/31/2019 |
| 0.2.105-alpha | 620 | 7/31/2019 |
| 0.2.104-alpha | 554 | 7/31/2019 |
| 0.2.103-alpha | 559 | 7/23/2019 |
| 0.2.102-alpha | 1,331 | 6/17/2019 |
| 0.2.101-alpha | 602 | 6/11/2019 |
| 0.2.99-alpha | 634 | 5/29/2019 |
| 0.2.98-alpha | 635 | 5/16/2019 |
| 0.2.97-alpha | 619 | 5/14/2019 |
| 0.2.95-alpha | 632 | 5/13/2019 |
| 0.2.94-alpha | 577 | 5/13/2019 |
| 0.2.93-alpha | 593 | 5/13/2019 |
| 0.2.92-alpha | 672 | 5/10/2019 |
| 0.2.91-alpha | 591 | 5/9/2019 |
| 0.2.90-alpha | 603 | 5/7/2019 |
| 0.2.89-alpha | 648 | 5/7/2019 |
| 0.2.88-alpha | 627 | 5/6/2019 |
| 0.2.87-alpha | 711 | 5/2/2019 |
| 0.2.86-alpha | 674 | 4/30/2019 |
| 0.2.85-alpha | 648 | 4/25/2019 |
| 0.2.84-alpha | 664 | 4/24/2019 |
| 0.2.83-alpha | 672 | 4/15/2019 |
| 0.2.82-alpha | 687 | 4/5/2019 |
| 0.2.80-alpha | 665 | 3/30/2019 |
| 0.2.79-alpha | 626 | 3/29/2019 |
| 0.2.78-alpha | 642 | 3/17/2019 |
| 0.2.77-alpha | 622 | 3/17/2019 |
| 0.2.76-alpha | 671 | 3/4/2019 |
| 0.2.75-alpha | 630 | 2/28/2019 |
| 0.2.74-alpha | 630 | 2/26/2019 |
| 0.2.73-alpha | 666 | 2/23/2019 |
| 0.2.72-alpha | 639 | 2/20/2019 |
| 0.2.71-alpha | 745 | 2/12/2019 |
| 0.2.70-alpha | 677 | 2/12/2019 |
| 0.2.69-alpha | 769 | 2/1/2019 |
| 0.2.68-alpha | 724 | 1/29/2019 |
| 0.2.65-alpha | 666 | 1/22/2019 |
| 0.2.63-alpha | 741 | 12/11/2018 |
| 0.2.61-alpha | 799 | 10/23/2018 |
| 0.2.60-alpha | 768 | 10/20/2018 |
| 0.2.59-alpha | 698 | 10/20/2018 |
| 0.2.58-alpha | 694 | 10/20/2018 |
| 0.2.57-alpha | 858 | 10/17/2018 |
| 0.2.56-alpha | 780 | 9/27/2018 |
| 0.2.54-alpha | 772 | 9/24/2018 |
| 0.2.51-alpha | 760 | 9/19/2018 |
| 0.2.50-alpha | 746 | 9/18/2018 |
| 0.2.49-alpha | 794 | 9/12/2018 |
| 0.2.48-alpha | 789 | 9/12/2018 |
| 0.2.47-alpha | 833 | 8/25/2018 |
| 0.2.46-alpha | 941 | 8/3/2018 |
| 0.2.45-alpha | 951 | 7/22/2018 |
| 0.2.44-alpha | 892 | 7/22/2018 |
| 0.2.42-alpha | 1,143 | 7/19/2018 |
| 0.2.41-alpha | 1,174 | 7/13/2018 |
| 0.2.40-alpha | 1,113 | 7/13/2018 |
| 0.2.39-alpha | 1,145 | 7/3/2018 |
| 0.2.38-alpha | 1,163 | 6/27/2018 |
| 0.2.37-alpha | 1,154 | 6/7/2018 |
| 0.2.36-alpha | 1,146 | 6/7/2018 |
| 0.2.35-alpha | 1,167 | 6/7/2018 |
| 0.2.34-alpha | 1,127 | 6/5/2018 |
| 0.2.33-alpha | 1,125 | 6/5/2018 |
| 0.2.32-alpha | 1,134 | 6/4/2018 |
| 0.2.30-alpha | 1,193 | 5/14/2018 |
| 0.2.29-alpha | 1,172 | 5/11/2018 |
| 0.2.28-alpha | 958 | 5/11/2018 |
| 0.2.27-alpha | 1,168 | 5/9/2018 |
| 0.2.26-alpha | 1,150 | 5/9/2018 |
| 0.2.25-alpha | 1,156 | 5/8/2018 |
| 0.2.24-alpha | 1,134 | 5/8/2018 |
| 0.2.23-alpha | 1,140 | 5/8/2018 |
| 0.2.22-alpha | 1,169 | 5/7/2018 |
| 0.2.21-alpha | 1,121 | 5/7/2018 |
| 0.2.20-alpha | 1,170 | 5/7/2018 |
| 0.2.19-alpha | 1,236 | 5/5/2018 |
| 0.2.18-alpha | 1,167 | 5/3/2018 |
| 0.2.17-alpha | 1,321 | 4/28/2018 |
| 0.2.16-alpha | 1,153 | 4/26/2018 |
| 0.2.15-alpha | 1,163 | 4/26/2018 |
| 0.2.14-alpha | 1,186 | 4/26/2018 |
| 0.2.13-alpha | 1,193 | 4/26/2018 |
| 0.2.12-alpha | 1,130 | 4/24/2018 |
| 0.2.11-alpha | 1,284 | 4/20/2018 |
| 0.2.10-alpha | 1,201 | 4/9/2018 |
| 0.2.9-alpha | 1,150 | 4/4/2018 |
| 0.2.8-alpha | 1,194 | 3/29/2018 |
| 0.2.7-alpha | 1,176 | 3/29/2018 |
| 0.2.6-alpha | 1,211 | 3/29/2018 |
| 0.2.5-alpha | 1,196 | 3/29/2018 |
| 0.2.4-alpha | 1,180 | 3/28/2018 |
| 0.2.3-alpha | 1,169 | 3/28/2018 |
| 0.2.2-alpha | 930 | 3/28/2018 |
| 0.2.1-alpha | 1,195 | 3/28/2018 |
| 0.1.99-alpha | 1,189 | 3/26/2018 |
| 0.1.98-alpha | 1,296 | 3/23/2018 |
| 0.1.97-alpha | 1,353 | 3/23/2018 |
| 0.1.93-alpha | 1,144 | 3/22/2018 |
| 0.1.92-alpha | 964 | 3/22/2018 |
| 0.1.91-alpha | 1,196 | 3/22/2018 |
| 0.1.90-alpha | 989 | 3/21/2018 |
| 0.1.89-alpha | 1,006 | 3/21/2018 |
| 0.1.88-alpha | 1,147 | 3/21/2018 |
| 0.1.87-alpha | 1,160 | 3/20/2018 |
| 0.1.86-alpha | 963 | 3/20/2018 |
| 0.1.85-alpha | 1,188 | 3/20/2018 |
| 0.1.84-alpha | 1,140 | 3/19/2018 |
| 0.1.83-alpha | 1,141 | 3/19/2018 |
| 0.1.82-alpha | 1,178 | 3/19/2018 |
| 0.1.81-alpha | 1,166 | 3/16/2018 |
| 0.1.80-alpha | 1,158 | 3/16/2018 |
| 0.1.79-alpha | 1,144 | 3/16/2018 |
| 0.1.78-alpha | 1,171 | 3/16/2018 |
| 0.1.77-alpha | 1,145 | 3/16/2018 |
| 0.1.76-alpha | 1,176 | 3/16/2018 |
| 0.1.75-alpha | 1,202 | 3/15/2018 |
| 0.1.74-alpha | 1,211 | 3/14/2018 |
| 0.1.73-alpha | 1,207 | 3/14/2018 |
| 0.1.72-alpha | 1,170 | 3/14/2018 |
| 0.1.71-alpha | 1,182 | 3/14/2018 |
| 0.1.70-alpha | 1,196 | 3/14/2018 |
| 0.1.69-alpha | 1,218 | 3/14/2018 |
| 0.1.68-alpha | 1,200 | 3/14/2018 |
| 0.1.67-alpha | 1,214 | 3/14/2018 |
| 0.1.66-alpha | 1,140 | 3/14/2018 |
| 0.1.65-alpha | 995 | 3/13/2018 |
| 0.1.64-alpha | 1,179 | 3/12/2018 |
| 0.1.63-alpha | 1,188 | 3/12/2018 |
| 0.1.62-alpha | 1,164 | 3/9/2018 |
| 0.1.61-alpha | 1,182 | 3/8/2018 |
| 0.1.60-alpha | 1,200 | 3/8/2018 |
| 0.1.59-alpha | 1,181 | 3/8/2018 |
| 0.1.58-alpha | 1,172 | 3/7/2018 |
| 0.1.57-alpha | 1,197 | 3/7/2018 |
| 0.1.56-alpha | 1,180 | 3/7/2018 |
| 0.1.55-alpha | 1,166 | 3/7/2018 |
| 0.1.54-alpha | 1,167 | 3/6/2018 |
| 0.1.53-alpha | 1,193 | 3/6/2018 |
| 0.1.52-alpha | 1,189 | 3/5/2018 |
| 0.1.51-alpha | 1,162 | 3/4/2018 |
| 0.1.50-alpha | 1,157 | 3/3/2018 |
| 0.1.49-alpha | 1,115 | 2/28/2018 |
| 0.1.48-alpha | 1,149 | 2/27/2018 |
| 0.1.47-alpha | 1,149 | 2/27/2018 |
| 0.1.46-alpha | 1,167 | 2/27/2018 |
| 0.1.45-alpha | 1,184 | 2/26/2018 |
| 0.1.44-alpha | 1,159 | 2/23/2018 |
| 0.1.43-alpha | 965 | 2/23/2018 |
| 0.1.42-alpha | 934 | 2/23/2018 |
| 0.1.41-alpha | 1,157 | 2/23/2018 |
| 0.1.40-alpha | 1,159 | 2/22/2018 |
| 0.1.39-alpha | 957 | 2/22/2018 |
| 0.1.38-alpha | 1,129 | 2/22/2018 |
| 0.1.37-alpha | 1,159 | 2/22/2018 |
| 0.1.36-alpha | 967 | 2/21/2018 |
| 0.1.35-alpha | 1,190 | 2/20/2018 |
| 0.1.34-alpha | 1,151 | 2/20/2018 |
| 0.1.33-alpha | 1,181 | 2/20/2018 |
| 0.1.32-alpha | 1,218 | 2/20/2018 |
| 0.1.31-alpha | 1,161 | 2/20/2018 |
| 0.1.30-alpha | 1,167 | 2/20/2018 |
| 0.1.28-alpha | 1,220 | 2/20/2018 |
| 0.1.27-alpha | 1,143 | 2/20/2018 |
| 0.1.26-alpha | 1,175 | 2/19/2018 |
| 0.1.25-alpha | 1,197 | 2/19/2018 |
| 0.1.24-alpha | 1,176 | 2/18/2018 |
| 0.1.23-alpha | 1,166 | 2/16/2018 |
| 0.1.22-alpha | 1,180 | 2/16/2018 |
| 0.1.21-alpha | 1,176 | 2/15/2018 |
| 0.1.20-alpha | 1,140 | 2/15/2018 |