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Image call from android to opencv

asked 2013-09-04 05:18:31 -0500

FLY gravatar image

updated 2014-09-05 17:13:39 -0500

I am using android ndk with opencv , I am giving two images as input and then one as output , my 2 input images are one is image and second is vignette , I am getting some kind of logical error from java side , below is my code of java

public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

         imageview_1=(ImageView) findViewById(R.id.imageView1);
         imageview_2=(ImageView) findViewById(R.id.imageView2);

        InputStream is , Vign;
        is = this.getResources().openRawResource(R.drawable.me);
        final Bitmap bmInImg = BitmapFactory.decodeStream(is);
        Vign = this.getResources().openRawResource(R.drawable.p);
        final Bitmap bmInImg2 = BitmapFactory.decodeStream(Vign);

        mPhotoIntArray = new int[bmInImg.getWidth() * bmInImg.getHeight()];
        nPhotoIntArray = new int[bmInImg.getWidth() * bmInImg.getHeight()];
        vPhotoIntArray = new int[bmInImg2.getWidth() * bmInImg2.getHeight()];
        imageview_1.setImageBitmap(bmInImg);
        // Copy pixel data from the Bitmap into the 'intArray' array
        bmInImg.getPixels(mPhotoIntArray, 0, bmInImg.getWidth(), 0, 0, bmInImg.getWidth(), bmInImg.getHeight());
        bmInImg2.getPixels(vPhotoIntArray, 0, bmInImg2.getWidth(), 0, 0, bmInImg2.getWidth(), bmInImg2.getHeight());

        mCannyOutArray = new int[bmInImg2.getWidth() * bmInImg2.getHeight()];
        final Bitmap bmOutImg = Bitmap.createBitmap(bmInImg2.getWidth(), bmInImg2.getHeight(), Config.ARGB_8888);  
        bmOutImg.setPixels(mCannyOutArray, 0, bmInImg2.getWidth(), 0, 0, bmInImg2.getWidth(), bmInImg2.getHeight());

        Button button= (Button) findViewById(R.id.NextButton);
        button.setOnClickListener(new OnClickListener() {

            @Override
        public void onClick(View v)  {  

                if (count ==0)
                {
                    Vig(bmInImg.getHeight(),bmInImg.getWidth(),bmInImg2.getHeight(),bmInImg2.getWidth(), mPhotoIntArray,vPhotoIntArray, mCannyOutArray); 

                    bmOutImg.setPixels(mCannyOutArray, 0, bmInImg2.getWidth(), 0, 0, bmInImg2.getWidth(), bmInImg2.getHeight());    
                    imageview_2.setImageBitmap(bmOutImg);        
                }

                count++;        
            }
            }); 

        String extStorageDirectory = Environment.getExternalStorageDirectory().toString();
        String outFileName = extStorageDirectory + "/me.png";
        OutputBitmapToFile(bmOutImg, outFileName);      
    }

Above code give me vignette fine but the first image output is showing lininng on all image and when i add both vignette look fine but image inside is full of lines , if i change the code of bmOutImg.setPixels from outside and inside condition if to

Vig(bmInImg.getHeight(),bmInImg.getWidth(),bmInImg2.getHeight(),bmInImg2.getWidth(), mPhotoIntArray,vPhotoIntArray, mCannyOutArray); 

bmOutImg.setPixels(mCannyOutArray, 0, bmInImg.getWidth(), 0, 0, bmInImg.getWidth(), bmInImg.getHeight());   
                        imageview_2.setImageBitmap(bmOutImg);

Then it shows lining on vignette image. What should be my mCannyOutArray should be so that my both images show satisfactory result for my output.

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answered 2014-09-15 15:38:29 -0500

FLY gravatar image

updated 2014-09-15 15:39:16 -0500

The basic thing which I need to focus in my above question was to make all the images are of same size , after trying much and get helping from friends I got my error and my error which quote as logical error on java side was that I resize image on jni end but I need to resize it on java end so both images should be of same size , When both image are of same size then resultant image which is of same size of img1 (input image) don't show lines on resultant image

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Asked: 2013-09-04 05:18:31 -0500

Seen: 266 times

Last updated: Sep 15 '14