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Android studio: undefined reference to cv::Stitcher

asked 2019-07-10 20:10:57 -0500

FanFM gravatar image

I am using opencv library. I want do

#include <jni.h>
#include <string>
#include "opencv2/opencv.hpp"
#include "opencv2/stitching.hpp"

using namespace std;
using namespace cv;
...
Ptr<cv::Stitcher> stitcher = Stitcher::create();

but I have error:

undefined reference to `cv::Stitcher::create(cv::Stitcher::Mode)'
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uhh, do you have libopencv_stitching.a or a.so there ? you need to link to that.

if you built opencv_java.so with BUILD_SHARED_LIBS=OFF,it probably won't get generated

berak gravatar imageberak ( 2020-04-07 09:37:50 -0500 )edit

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answered 2020-04-07 09:06:53 -0500

zelda gravatar image

you might have forgot to link the stitching lib , check your linker and add

-lopencv_stitching

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Asked: 2019-07-10 20:10:57 -0500

Seen: 247 times

Last updated: Apr 07