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how to compile OpenCV4Android on Ubuntu Eclipse with NDK

asked 2016-03-03 19:34:44 -0500

ardeal gravatar image

My platform: 1) Ubuntu 12.04 X86_64 2) eclipse-cpp-luna-SR2-linux-gtk-x86_64.tar.gz 3) cdt-8.6.0.zip 4) android-sdk_r24.4.1-linux.tgz 5) android-ndk-r10e-linux-x86_64.bin 6) ADT-23.0.6.zip 7) OpenCV-3.1.0-android-sdk.zip

I followed the steps on OpenCV official website to import OpenCV to Eclipse on Ubuntu: General--->Existing Projects into Workspace--->press Next button--->choose OpenCV-android-sdk/sdk fodler

My questions are: After OpenCV310 is imported to Eclipse, how to build OpenCV4Android.so for Android application? On OpenCV official website, there is no docs about how to compile OpenCV library for android application.

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answered 2016-03-04 00:14:01 -0500

berak gravatar image

updated 2016-03-04 00:17:31 -0500

since you're trying to build OpenCV4Android, your previous steps setting up eclipse are irrelevant.

you will need the opencv src code from github, and build from there

https://github.com/Itseez/opencv/wiki...

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Hi,

I would like to include opencv_contrib in my opencv4android application on oepncv 3.1.0. what should I do for that? should I download opencv3.1.0 and opencv_contrib and rebuild them for Android? or opencv_contrib has already been included in opencv4android3.1.0.zip(libopencv_java3.so) from opencv official website?

ardeal gravatar imageardeal ( 2016-03-06 23:19:36 -0500 )edit

no, those are not included in the prebuild opencv_java3.so, you additionally need opencv_contrib (see readme there) and build opencv4android from src.

berak gravatar imageberak ( 2016-03-07 01:01:45 -0500 )edit

Hi, as you know, I am not aware of how to bufild opencv and opencv_contrib src for Android. do you have any docs about how to do that?

ardeal gravatar imageardeal ( 2016-03-07 01:21:59 -0500 )edit

sorry, i never tried that, so https://github.com/Itseez/opencv/wiki... is all i know.

berak gravatar imageberak ( 2016-03-07 01:25:56 -0500 )edit

Got it. Many thanks!

ardeal gravatar imageardeal ( 2016-03-07 01:41:51 -0500 )edit

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Asked: 2016-03-03 19:34:44 -0500

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Last updated: Mar 03 '16