无法将图像加载到Mat opencv

我想在Android opencv上使用Mat类加载图像，但出现一些错误。我在我的项目上添加库。我的代码：private CameraBridgeViewBase mOpenCvCameraView;
私有BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback（this）{@Override public void onManagerConnected（int status）{switch（status）{case LoaderCallbackInterface.SUCCESS：{Log.i（TAG，“ OpenCV成功加载”）; mOpenCvCameraView.enableView（）; } 休息; 默认值：{super.onManagerConnected（status）; } 休息; }}};

@Override
public void onResume()
{
    super.onResume();
    OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_6, this, mLoaderCallback);
}



 @Override
 public 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);
     mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.HelloOpenCvView);
     mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
     mOpenCvCameraView.setCvCameraViewListener(this);
     if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_9, this, mLoaderCallback))
     {
       Log.e(TAG, "Cannot connect to OpenCV Manager");
     }
     else
         Log.i(TAG, "Load it"); 

     Mat Image = Highgui.imread("/mnt/sdcard/1.jpg");

 }

 @Override
 public void onPause()
 {
     super.onPause();
     if (mOpenCvCameraView != null)
         mOpenCvCameraView.disableView();
 }

 public void onDestroy() {
     super.onDestroy();
     if (mOpenCvCameraView != null)
         mOpenCvCameraView.disableView();
 }

 public void onCameraViewStarted(int width, int height) {
 }

 public void onCameraViewStopped() {
 }


public Mat onCameraFrame(CvCameraViewFrame inputFrame) {  
    return inputFrame.rgba();
}

日志：

谢谢