編集履歴

質問編集履歴

変更

2017/12/20 15:15

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@@ -6,7 +6,7 @@
-この中心点の座標を獲得したいのですがどうすればいいでしょうか？
+この中心点の座標を獲得したいのですがどうすればいいでしょうか？Pointをintなどに変換できるのでしょうか？

変更

2017/12/20 15:15

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@@ -26,67 +26,93 @@
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.SurfaceView;
+import android.view.WindowManager;
+import org.opencv.android.BaseLoaderCallback;
+import org.opencv.android.CameraBridgeViewBase;
+import org.opencv.android.LoaderCallbackInterface;
+import org.opencv.android.OpenCVLoader;
+import org.opencv.core.Core;
+import org.opencv.core.CvType;
+import org.opencv.core.Mat;
+import org.opencv.core.MatOfInt;
+import org.opencv.core.MatOfInt4;
+import org.opencv.core.MatOfPoint;
+import org.opencv.core.MatOfPoint2f;
+import org.opencv.core.Point;
+import org.opencv.core.RotatedRect;
+import org.opencv.core.Scalar;
+import org.opencv.core.Size;
+import org.opencv.imgproc.Imgproc;
+import org.opencv.imgproc.Moments;
 import java.util.ArrayList;
 import java.util.List;
-import org.opencv.android.BaseLoaderCallback;
+import static org.opencv.core.CvType.CV_8U;
-import org.opencv.android.LoaderCallbackInterface;
-import org.opencv.android.OpenCVLoader;
+import static org.opencv.core.CvType.CV_8UC1;
-import org.opencv.android.Utils;
-import org.opencv.core.*;
+import static org.opencv.core.CvType.CV_8UC3;
-import org.opencv.imgproc.Imgproc;
-import android.os.Bundle;
-import android.app.Activity;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.util.Log;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.Button;
-import android.widget.ImageView;
-import android.widget.TextView;
-public class MainActivity extends Activity {
+public class MainActivity extends Activity implements CameraBridgeViewBase.CvCameraViewListener {
-    private static final String TAG = "MainActivity&quot";
+    private static final String TAG = "OCVSample::Activity";
+    int i =0;
+    private CameraBridgeViewBase mOpenCvCameraView;
-    private Button mButton = null;
+    private boolean mIsJavaCamera = true;
-    private ImageView mImageView = null;
+    private MenuItem mItemSwitchCamera = null;
-    private Bitmap bmp = null;
-    // OpenCV Managerをロードした結果として呼ばれるコールバック
     private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@@ -96,19 +122,23 @@
             switch (status) {
+                // 読み込みが成功したらカメラプレビューを開始
                 case LoaderCallbackInterface.SUCCESS:
+                {
-                    Log.i(TAG, "loaded successfully");
+                    Log.i(TAG, "OpenCV loaded successfully");
-                    mButton.setEnabled(true);
+                    mOpenCvCameraView.enableView();
-                    break;
+                } break;
-                default:
+                default: {
                     super.onManagerConnected(status);
-                    break;
+                }break;
             }
@@ -118,105 +148,165 @@
+    public MainActivity() {
+        Log.i(TAG, "Instantiated new " + this.getClass());
+    }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        Log.i(TAG, "called onCreate");
         super.onCreate(savedInstanceState);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         setContentView(R.layout.activity_main);
-        bmp = BitmapFactory.decodeResource(getResources(), R.drawable.pic2);
-        mImageView = (ImageView) findViewById(R.id.imageView1);
-        mImageView.setImageBitmap(bmp);
-        mButton = (Button) findViewById(R.id.button1);
-        mButton.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View arg0) {
-                turnover(bmp);
+        mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.camera_view);
+        mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
+        mOpenCvCameraView.setCvCameraViewListener(this);
+    }
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (mOpenCvCameraView != null)
+            mOpenCvCameraView.disableView();
+    }
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (!OpenCVLoader.initDebug()) {
+            Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
+            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
+        } else {
+            Log.d(TAG, "OpenCV library found inside package. Using it!");
+            mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
+        }
+    }
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (mOpenCvCameraView != null)
+            mOpenCvCameraView.disableView();
+    }
+    @Override
+    public void onCameraViewStarted(int width, int height) {// カメラプレビュー開始時に呼ばれる
+    }
+    @Override
+    public void onCameraViewStopped() {// カメラプレビュー終了時に呼ばれる
+    }
+    @Override
+    public Mat onCameraFrame(Mat inputFrame) {
+        Mat src = inputFrame;
+        Mat src1 = src.clone();
+        Imgproc.cvtColor(src, src, Imgproc.COLOR_RGB2HSV);//HSVに変換
+        Imgproc.medianBlur(src, src, 5);
+        Core.inRange(src, new Scalar(150,100,100),new Scalar(180,255,255),src);
+        Mat hierarchy=Mat.zeros(new Size(5,5), CvType.CV_8UC1);
+        List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
+        Imgproc.findContours(src, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_TC89_L1);
+        Scalar color=new Scalar(200,20,100);
+       // Imgproc.drawContours(src1, contours, -1, color,10);
+        int i=0;
+        int index = -1;
+        double area = 0;
+        for(i=0;i<contours.size();i++)
+        {
+            double tmp = Imgproc.contourArea(contours.get(i));
+            if (area < tmp) {
+                area = tmp;
+                index = i;
             }
-        });
-    }
-    private void turnover(Bitmap bmp){
-        Mat src = new Mat();
-        Utils.bitmapToMat(bmp, src);
-        Mat src1 = src.clone();
-        Imgproc.cvtColor(src, src, Imgproc.COLOR_RGB2HSV);
-        Imgproc.medianBlur(src, src, 5);
-        Core.inRange(src, new Scalar(150,100,100),new Scalar(180,255,255),src);
-        Mat hierarchy=Mat.zeros(new Size(5,5), CvType.CV_8UC1);
-        List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
-        Imgproc.findContours(src, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_TC89_L1);
-        Mat dst=Mat.zeros(new Size(src.width(),src.height()),CvType.CV_8UC3);
-        Scalar color=new Scalar(100,200,100);
-        //Imgproc.drawContours(src1, contours, -1, color,10);
-        int i=0;
-        int index = -1;
-        double area = 0;
-        for(i=0;i<contours.size();i++)
-        {
-            double tmp = Imgproc.contourArea(contours.get(i));
-            if (area < tmp) {
-                area = tmp;
-                index = i;
-            }
         }
         if (index != -1) {
             MatOfPoint ptmat= contours.get(index);
-            color=new Scalar(0,200,0);
+             color=new Scalar(0,200,0);
             MatOfPoint2f ptmat2 = new MatOfPoint2f( ptmat.toArray() );
@@ -226,39 +316,7 @@
         }
-        Utils.matToBitmap(src1, bmp); // Mat -> Bitmap
-        mImageView.setImageBitmap(bmp);
-    }
-    @Override
-    public void onResume() {
-        super.onResume();
+        return src1;
-        if (!OpenCVLoader.initDebug()) {
-            Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
-            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
-        } else {
-            Log.d(TAG, "OpenCV library found inside package. Using it!");
-            mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
-        }
     }
@@ -266,6 +324,8 @@
 }
 ```

変更

2017/12/20 15:11

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@@ -313,9 +313,3 @@
 </RelativeLayout>
 ```
-[こちら](https://qiita.com/kodai100/items/6c9e8a34d0714913c017)を参考にしてopencvをandroidに導入した後
-コピペしてXXXと書かれている部分を直してもらえれば使えるようになります。

変更

2017/12/20 15:09

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	@@ -1 +1 @@
1	- android opencv ~~輪郭抽出~~
1	+ android opencv 座標を返す

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