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2017-08-09 03:57:23 -0600 commented answer Error compiling opencv with mingw32-make

resolved it,thx
2017-08-08 17:19:04 -0600 asked a question Opencv java UnsatisfiedLinkError

Hi,this is my code but when i run it i get an this error:

Exception in thread "main" java.lang.UnsatisfiedLinkError: org.opencv.core.Mat.n_eye(III)J

public class SimpleSample
{

    static{ System.loadLibrary(Core.NATIVE_LIBRARY_NAME); } 

   public static void main( String[] args )
   {
      Mat mat = Mat.eye( 3, 3, CvType.CV_8UC1 );
      System.out.println( "mat = " + mat.dump() );
   }
}

How can i resolve it?
2017-08-08 17:01:09 -0600 commented answer Error compiling opencv with mingw32-make

Hi,i resolve it.But now i have an other problem,when i try to run on eclipse an opencv project i get this:

Can't load IA 32-bit .dll on a AMD 64-bit platform

on this line:

    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
2017-08-08 11:09:28 -0600 commented question Error compiling opencv with mingw32-make

i have 6.03 g++ version
2017-08-08 10:57:45 -0600 received badge ● Editor (source)
2017-08-08 10:56:41 -0600 asked a question Error compiling opencv with mingw32-make

Hi,im trying to compile opencv with extra modules for java (ximgproc).After generating files with Cmake,i tried to use "mingw32-make" command with cmd to generate .jar and .dll ,but i got this error. Im following this guide: https://zami0xzami.wordpress.com/2016... How can i resolve it?

 C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:175:14: error: 'thread' in namespace 'std' does not name a type
         std::thread second_workthread;
              ^~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:176:14: error: 'mutex' in namespace 'std' does not name a type
         std::mutex mtx;
              ^~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:177:14: error: 'condition_variable' in namespace 'std' does not name a type
         std::condition_variable objectDetectorRun;
              ^~~~~~~~~~~~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:178:14: error: 'condition_variable' in namespace 'std' does not name a type
         std::condition_variable objectDetectorThreadStartStop;
              ^~~~~~~~~~~~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp: In member function 'void cv::DetectionBasedTracker::SeparateDetectionWork::setParameters(const cv::DetectionBasedTracker::Parameters&)':
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:143:30: error: 'mutex' is not a member of 'std'
             std::unique_lock<std::mutex> mtx_lock(mtx);
                              ^~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:143:30: error: 'mutex' is not a member of 'std'
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:143:40: error: template argument 1 is invalid
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                        ^
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:143:51: error: 'mtx' was not declared in this scope
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                                   ^~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:143:42: warning: unused variable 'mtx_lock' [-Wunused-variable]
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                          ^~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp: In member function 'void cv::DetectionBasedTracker::SeparateDetectionWork::init()':
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:156:30: error: 'mutex' is not a member of 'std'
             std::unique_lock<std::mutex> mtx_lock(mtx);
                              ^~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:156:30: error: 'mutex' is not a member of 'std'
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:156:40: error: template argument 1 is invalid
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                        ^
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:156:51: error: 'mtx' was not declared in this scope
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                                   ^~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:164:13: error: 'objectDetectorThreadStartStop' was not declared in this scope
             objectDetectorThreadStartStop.notify_one();
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:156:42: warning: unused variable 'mtx_lock' [-Wunused-variable]
             std::unique_lock<std::mutex> mtx_lock(mtx);
                                          ^~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp: In destructor 'virtual cv::DetectionBasedTracker::SeparateDetectionWork::~SeparateDetectionWork()':
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp:254:5: error: 'second_workthread' was not declared in this scope
     second_workthread.join();
     ^~~~~~~~~~~~~~~~~
C:\Users\Jt1995\Desktop\opencv-master\modules\objdetect\src\detection_based_tracker.cpp: In member ...
(more)
2017-07-11 01:48:03 -0600 commented question SuperpixelSlic image grainy

Before i applied the algorithm i take a picture and i cut and i rotate it.Probably,after this process the result bitmap has a low quality (like blurry).
2017-07-10 13:46:28 -0600 asked a question SuperpixelSlic image grainy

Hi,im doing an android project with opencv library and im using superpixelslic algorithm.After i applied the algorithm on some devices the image looks like grainy like this:

image description

This is my superpixel code:

    newMat=new Mat();
    Utils.bitmapToMat(image,newMat,true);
    SuperpixelSLIC x= Ximgproc.createSuperpixelSLIC(newMat, Ximgproc.SLIC,rows/9,(float)25);
    x.iterate(num_iterations);
    if (min_element_size>0)
        x.enforceLabelConnectivity(min_element_size);
    Mat mask=new Mat();
    x.getLabelContourMask(mask,true);
    newMat.setTo( new Scalar(0,0,255),mask);
    Utils.matToBitmap(newMat,image);
    Mat labels=new Mat();
    x.getLabels(labels);
    final ImageView g=(ImageView)view.findViewById(R.id.imageView5);
    g.setImageBitmap(image);
2017-07-10 03:23:50 -0600 asked a question access to single pixel of SuperpixelSlic object Android

i've this code where im applying the algorithm slic superpixel on a image. Then after showing my image with a imageview,the user should select with touch the superpixels he wants to select.My problem is how can i access to a single superpixel so i can color it to point out? Now,what i've done is this:

Here i applied the superpixelslic algorithm to my image and i show it

newMat=new Mat();
Utils.bitmapToMat(image,newMat,true);
SuperpixelSLIC x= Ximgproc.createSuperpixelSLIC(newMat, Ximgproc.SLIC,rows/9,(float)25);
x.iterate(num_iterations);
if (min_element_size>0)
    x.enforceLabelConnectivity(min_element_size);
Mat mask=new Mat();
x.getLabelContourMask(mask,true);
newMat.setTo( new Scalar(0,0,255),mask);
Utils.matToBitmap(newMat,image);
Mat labels=new Mat();
x.getLabels(labels);
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