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OpenCvSlim

  • This project provides the slim build of OpenCv library for the Android, Windows and ARM Linux platforms.

  • Currently there're binary packages for OpenCv 2.4.13.7 , 3.4.20 and 4.8.1.

Size Details

package size
OpenCvSlim-2.4.13.7-android.zip (arm64,armeabi,x64,x86) 8.2MB
OpenCvSlim-2.4.13.7-armlinux.zip (aarch64,arm-linux-gnueabi,arm-linux-gnueabihf) 7.9MB
OpenCvSlim-2.4.13.7-ubuntu-2004.zip 2.8MB
OpenCvSlim-2.4.13.7-ubuntu-2204.zip 2.8MB
OpenCvSlim-2.4.13.7-webassembly.zip (basic,simd,simd-threads) 6.2MB
OpenCvSlim-2.4.13.7-win-vs2015.zip (x64,x86) 6.7MB
OpenCvSlim-2.4.13.7-win-vs2017.zip (x64,x86) 6.9MB
OpenCvSlim-2.4.13.7-win-vs2019.zip (x64,x86) 7.5MB
OpenCvSlim-2.4.13.7-win-vs2022.zip (x64,x86) 7.5MB
OpenCvSlim-3.4.20-android.zip (arm64,armeabi,x64,x86) 16.4MB
OpenCvSlim-3.4.20-armlinux.zip (aarch64,arm-linux-gnueabi,arm-linux-gnueabihf) 14.4MB
OpenCvSlim-3.4.20-ubuntu-2004.zip 6.5MB
OpenCvSlim-3.4.20-ubuntu-2204.zip 6.6MB
OpenCvSlim-3.4.20-webassembly.zip (basic,simd,simd-threads) 11.2MB
OpenCvSlim-3.4.20-win-vs2015.zip (x64,x86) 14.8MB
OpenCvSlim-3.4.20-win-vs2017.zip (x64,x86) 15.4MB
OpenCvSlim-3.4.20-win-vs2017.zip (x64,x86) 15.9MB
OpenCvSlim-3.4.20-win-vs2022.zip (x64,x86) 15.9MB
OpenCvSlim-4.8.1-android.zip (arm64,armeabi,x64,x86) 17.7MB
OpenCvSlim-4.8.1-armlinux.zip (aarch64,arm-linux-gnueabi,arm-linux-gnueabihf) 16.1MB
OpenCvSlim-4.8.1-ubuntu-2004.zip 7.1MB
OpenCvSlim-4.8.1-ubuntu-2204.zip 7.1MB
OpenCvSlim-4.8.1-webassembly.zip (basic,simd,simd-threads) 12.5MB
OpenCvSlim-4.8.1-win-vs2015.zip (x64,x86) 17.1MB
OpenCvSlim-4.8.1-win-vs2017.zip (x64,x86) 17.1MB
OpenCvSlim-4.8.1-win-vs2017.zip (x64,x86) 18.4MB
OpenCvSlim-4.8.1-win-vs2022.zip (x64,x86) 18.4MB

Tips

  • The OpenCvSlim only build basic OpenCv operators and common image processing functions.

  • cv::imread and cv::imwrite are reimplemented using stb for smaller size.

Modules included

module note
opencv_core Mat, matrix operations ...
opencv_imgproc resize, cvtColor, warpAffine, HoughLines, erode ...
opencv_highgui imread, imwrite, imdecode, imencode ...
opencv_features2d keypoint feature and matcher ...
opencv_photo inpaint , fastNlMeansDenoising ...
opencv_video opticalflow, KalmanFilter ...
  • you can get more details in head file within directory of opencv2 .

Usage Android

  1. Extract Zip to <project dir>/app/src/main/jni/
  2. Modify <project dir>/app/src/main/jni/CMakeListst.txt to link OpenCv
set(OpenCV_DIR ${CMAKE_SOURCE_DIR}/OpenCvSlim-x.x.x-android/sdk/native/jni)
find_package(OpenCV REQUIRED)

target_link_libraries(target ${OpenCV_LIBS})

Usage ARM Linux, Windows, Linux

  1. Extract Zip to <project dir>/
  2. Modify <project dir>/CMakeListst.txt to link OpenCv
  3. Set -DOpenCV_STATIC=ON to cmake option for windows build
set(OpenCV_DIR ${CMAKE_SOURCE_DIR}/OpenCvSlim-x.x.x-armlinux/aarch64-linux-gnu/lib/cmake/opencv2)
find_package(OpenCV REQUIRED)

target_link_libraries(target ${OpenCV_LIBS})