diff options
Diffstat (limited to 'libraries/opencv/README')
| -rw-r--r-- | libraries/opencv/README | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/libraries/opencv/README b/libraries/opencv/README index a50275f6b0..c7db8828bd 100644 --- a/libraries/opencv/README +++ b/libraries/opencv/README @@ -1,7 +1,42 @@ -OpenCV (Open Source Computer Vision) +OpenCV (Open Source Computer Vision Library) is an open source +computer vision and machine learning software library. +OpenCV was built to provide a common infrastructure for +computer vision applications and to accelerate the use of +machine perception in commercial products. -OpenCV is a library of programming functions mainly -aimed at real-time computer vision. +OpenCV will incorporate features from a wide range of additional +software that may exist on the host system at build time. The more +of the relevant software packages that are available, the greater +the feature set available in the resulting OpenCV package. The +additional optional packages will mostly be autodetected and used +at build time without any user intervention. Packages that are +processed in this way include (by SBo package name): + qt5 libdc1394 ffmpeg hdf5 VTK jdk apache-ant numpy python3 numpy3 -numpy (for the python bindings), ffmpeg and qt5 are -optional dependencies. +In the unlikely situation that features from these packages are not +wanted despite already being installed on the host system, +incorporation of some of them into OpenCV may be suppressed by setting +the appropriate environment variable to "no" e.g. + CVFFMPEG=no ./opencv.SlackBuild +Features that may be excluded in this manner are controlled by the +following environment variables: + CV1394 CVFFMPEG CVVTK + +At least one optional package is not autodetected, even though the +necessary prerequisite software may already have been installed. It +must therefore be explicitly enabled by setting the appropriate +environment variable: + CVGDAL=yes ./opencv.SlackBuild +(to support SBo's gis/gdal) + +Please note that some combinations of options may not be possible. In +particular, if both qt5 and VTK are installed on the host build system, +VTK support will be disabled unless it was built with qt5 support (which +is possible but not its default). Conversely, if VTK has been built with +qt5, it will be disabled in OpenCV unless it too is being built with qt5. + +Documentation is generated by the SlackBuild unless it is switched off +by setting the CVDOCS environment variable i.e. + CVDOCS=no ./opencv.SlackBuild +The graphviz package is an optional dependency for enhanced +documentation. |