OpenCV4AndroidDemo

Prepare for OpenCV course on CSDN.

Based on OpenCV 4.1.0 and 3.4.6.

Study mathematics and algorithm and put these theories into practice.

How to compile

Android NDK r15c

mkdir <your opencv path>/build
cd build

armeabi-v7a

cmake -DCMAKE_INSTALL_PREFIX=<install-prefix>/android/armeabi-v7a -DCMAKE_TOOLCHAIN_FILE=../platforms/android/android.toolchain.cmake -DANDROID_NDK=<ndk path> -DCMAKE_BUILD_TYPE=Release -DANDROID_ABI=armeabi-v7a -DANDROID_NATIVE_API_LEVEL=21  ..

arm64-v8a

cmake -DCMAKE_INSTALL_PREFIX=<install-prefix>/android/arm64-v8a -DCMAKE_TOOLCHAIN_FILE=../platforms/android/android.toolchain.cmake -DANDROID_NDK=<ndk path> -DCMAKE_BUILD_TYPE=Release -DANDROID_ABI=arm64-v8a -DANDROID_NATIVE_API_LEVEL=21  ..

x86

cmake -DCMAKE_INSTALL_PREFIX=<install-prefix>/android/x86 -DCMAKE_TOOLCHAIN_FILE=../platforms/android/android.toolchain.cmake -DANDROID_NDK=<ndk path> -DCMAKE_BUILD_TYPE=Release -DANDROID_ABI=x86 -DANDROID_NATIVE_API_LEVEL=21  ..

x86_64

cmake -DCMAKE_INSTALL_PREFIX=<install-prefix>/android/x86_64 -DCMAKE_TOOLCHAIN_FILE=../platforms/android/android.toolchain.cmake -DANDROID_NDK=<ndk path> -DCMAKE_BUILD_TYPE=Release -DANDROID_ABI=x86_64 -DANDROID_NATIVE_API_LEVEL=21  ..

包含程序

Color blob：斑点检测

app：人脸识别

answersheetscan：答题卡识别

androidimageanalysis：图像分析（使用Tensorflow on Android）

OpenCV 4.1.0文档翻译地址

https://github.com/duxingzhe/OpenCV-doc-Translation

如果本项目对你的学习和开发有所帮助，欢迎上一份茶水钱