grabcut圖像分割中的Android

Question

我試圖運行此代碼，我從網上找到：

package com.opencv.grabcut.android; 

import java.io.IOException; 

import org.opencv.android.Utils; 
import org.opencv.core.Core; 
import org.opencv.core.CvType; 
import org.opencv.core.Mat; 
import org.opencv.core.Point; 
import org.opencv.core.Rect; 
import org.opencv.core.Scalar; 
import org.opencv.highgui.Highgui; 
import org.opencv.imgproc.Imgproc; 

import android.app.Activity; 
import android.graphics.Bitmap; 
import android.graphics.BitmapFactory; 
import android.graphics.Canvas; 
import android.view.Gravity; 
import android.view.MotionEvent; 
import android.view.View; 
import android.view.View.OnTouchListener; 
import android.widget.ImageView; 
import android.widget.Toast; 

import android.support.v7.app.ActionBarActivity; 
import android.os.Bundle; 
import android.view.Menu; 
import android.view.MenuItem; 


public class Grabcut extends Activity implements OnTouchListener { 
    ImageView imageView; 
    Bitmap bitmap; 
    Canvas canvas; 
    Scalar color = new Scalar(255, 0, 0, 255); 
    Point tl, br; 
    int counter; 
    Bitmap bitmapResult, bitmapBackground; 
    Mat dst = new Mat(); 
    final String pathToImage = "/mnt/sdcard/gcut.png"; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.grabcut_main); 
     imageView = (ImageView) this.findViewById(R.id.imageView); 

     bitmap = BitmapFactory.decodeFile(pathToImage); 
     Toast msg = Toast.makeText(Grabcut.this, "Press top left and bottom right of the  foreground image", Toast.LENGTH_LONG); 

     msg.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0); 

     msg.show(); 
     bitmapResult = bitmap.copy(bitmap.getConfig(), true); 
     canvas = new Canvas(bitmapResult); 

     imageView.setImageBitmap(bitmapResult); 
     imageView.setOnTouchListener(this); 

     tl = new Point(); 
     br = new Point(); 
     counter = 0; 
    } 

    //@Override 
    public boolean onTouch(View v, MotionEvent event) { 

     if (event.getAction() == MotionEvent.ACTION_DOWN) { 
      if (counter == 0) { 
       tl.x = event.getX(); 
       tl.y = event.getY(); 
       counter++; 
      } else if (counter == 1) { 
       br.x = event.getX(); 
       br.y = event.getY(); 
       counter++; 

       Mat img = new Mat(); 
       img = Highgui.imread(pathToImage); 
       Mat background = new Mat(); 
       try { 
        background = Utils.loadResource(getApplicationContext(), 
          R.drawable.wall); 
       } catch (IOException e) { 

        e.printStackTrace(); 
       } 

       backgroundSubtracting(img, background); 
       Highgui.imwrite("/mnt/sdcard/GRABCUT/rect.png", dst); 
       Bitmap jpg = BitmapFactory 
         .decodeFile("/mnt/sdcard/GRABCUT/rect.png"); 

       imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE); 
       imageView.setAdjustViewBounds(true); 
       imageView.setPadding(2, 2, 2, 2); 
       imageView.setImageBitmap(jpg); 
       imageView.invalidate(); 
      } 
     } 

     return true; 
    } 

    private void backgroundSubtracting(Mat img, Mat background) { 
     Mat firstMask = new Mat(); 
     Mat bgModel = new Mat(); 
     Mat fgModel = new Mat(); 
     Mat mask; 
     Mat source = new Mat(1, 1, CvType.CV_8U, new Scalar(3.0)); 
     dst = new Mat(); 
     Rect rect = new Rect(tl, br); 

     Imgproc.grabCut(img, firstMask, rect, bgModel, fgModel, 1, 0 /* GC_INIT_WITH_RECT */); 
     Core.compare(firstMask, source/* GC_PR_FGD */, firstMask, Core.CMP_EQ); 

     Mat foreground = new Mat(img.size(), CvType.CV_8UC3, new Scalar(255, 
       255, 255)); 
     img.copyTo(foreground, firstMask); 

     Core.rectangle(img, tl, br, color); 

      Mat tmp = new Mat(); 
      Imgproc.resize(background, tmp, img.size()); 
      background = tmp; 
      mask = new Mat(foreground.size(), CvType.CV_8UC1, new Scalar(255, 255, 255)); 

     Imgproc.cvtColor(foreground, mask, 6/* COLOR_BGR2GRAY */); 
     Imgproc.threshold(mask, mask, 254, 255, 1 /* THRESH_BINARY_INV */); 

     Mat vals = new Mat(1, 1, CvType.CV_8UC3, new Scalar(0.0)); 
     background.copyTo(dst); 

     background.setTo(vals, mask); 
     enter code here 
     Core.add(background, foreground, dst, mask); 

     firstMask.release(); 
     source.release(); 
     bgModel.release(); 
     fgModel.release(); 
     vals.release(); 
    } 

} 

有一個錯誤 錯誤是這樣的我不明白有：「牆不能得到解決或不是場」

Pardone我，如果沒有解釋清楚，我對Android的發展很新...

請幫助..謝謝:)

Answer 1

在/ res/drawable /下複製文件名爲「wall.png」的圖像文件。 這是假設修復錯誤。