org.opencv.core.Rect.br()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.opencv.core.Rect.br方法的一些代码示例，展示了Rect.br的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Rect.br方法的具体详情如下：
包路径：org.opencv.core.Rect
类名称：Rect
方法名：br

Rect.br介绍

暂无

代码示例

代码示例来源：origin: raulh82vlc/Image-Detection-Samples

public static void drawEyeRectangle(Rect eyeArea, Mat matrixRgba) {
  Imgproc.rectangle(matrixRgba, eyeArea.tl(), eyeArea.br(),
      new Scalar(255, 0, 0, 255), 2);
}

代码示例来源：origin: JavaOpenCVBook/code

private void drawBoundingBox(MatOfPoint currentContour) {
  Rect rectangle = Imgproc.boundingRect(currentContour);
  Imgproc.rectangle(image, rectangle.tl(), rectangle.br(), new Scalar(255,0,0),1);
}

代码示例来源：origin: raulh82vlc/Image-Detection-Samples

public static void drawFaceShapes(Rect face, Mat matrixRGBA) {
  Point start = face.tl();
  int h = (int) start.y + (face.height / 2);
  int w = (int) start.x + (face.width / 2);
  Imgproc.rectangle(matrixRGBA, start, face.br(),
      FACE_RECT_COLOR, 3);
  Point center = new Point(w, h);
  Imgproc.circle(matrixRGBA, center, 10, new Scalar(255, 0, 0, 255), 3);
}

代码示例来源：origin: nroduit/Weasis

private void copyTileFromSource(Mat sourceImage, Mat tileInput, Rect tile, int mBorderType) {
  Point tl = tile.tl();
  Point br = tile.br();
    Rect paddedTile = new Rect(tile.tl(), tile.br());
    assert (paddedTile.x >= 0);
    assert (paddedTile.y >= 0);
    assert (paddedTile.br().x < sourceImage.cols());
    assert (paddedTile.br().y < sourceImage.rows());

代码示例来源：origin: kongqw/OpenCVForAndroid

@Override
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
  // 子线程（非UI线程）
  mRgba = inputFrame.rgba();
  mGray = inputFrame.gray();
  for (ObjectDetector detector : mObjectDetects) {
    // 检测目标
    Rect[] object = detector.detectObject(mGray, mObject);
    for (Rect rect : object) {
      Imgproc.rectangle(mRgba, rect.tl(), rect.br(), detector.getRectColor(), 3);
    }
  }
  return mRgba;
}

代码示例来源：origin: nroduit/Weasis

private void copySourceTile(Mat sourceImage, Mat tileInput, Rect tile) {
  Point tl = tile.tl();
  Point br = tile.br();
    Rect paddedTile = new Rect(tile.tl(), tile.br());
    assert (paddedTile.x >= 0);
    assert (paddedTile.y >= 0);
    assert (paddedTile.br().x < sourceImage.cols());
    assert (paddedTile.br().y < sourceImage.rows());

代码示例来源：origin: hschott/Camdroid

protected void execute() {
    out = gray();
    Imgproc.equalizeHist(out, out);
    synchronized (mog) {
      mog.apply(out, this.mask, (double) (-10 + learning_rate) / 10);
    }
    Mat kernel = Imgproc.getStructuringElement(Imgproc.MORPH_DILATE,
        new Size(3, 3));
    Imgproc.dilate(mask, mask, kernel);
    ArrayList<MatOfPoint> contours = new ArrayList<MatOfPoint>();
    Imgproc.findContours(this.mask, contours, new Mat(),
        Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
    double maxheight = object_max_size * this.in.height() / 100;
    double minheight = object_min_size * this.in.height() / 100;
    Iterator<MatOfPoint> each = contours.iterator();
    each = contours.iterator();
    while (each.hasNext()) {
      MatOfPoint contour = each.next();
      Rect rect = Imgproc.boundingRect(contour);
      if (rect.height > minheight && rect.height < maxheight) {
        Imgproc.rectangle(out, rect.tl(), rect.br(), new Scalar(255,
            0, 0), 1);
      }
    }
  }
}

代码示例来源：origin: abhn/marvel

Core.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
  mRgba = inputFrame.rgba();
  mGray = inputFrame.gray();
  if (mAbsoluteFaceSize == 0) {
    int height = mGray.rows();
    if (Math.round(height * mRelativeFaceSize) > 0) {
      mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
    }
    mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
  }
  MatOfRect faces = new MatOfRect();
  if (mDetectorType == JAVA_DETECTOR) {
    if (mJavaDetector != null)
      mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
          new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
  } else if (mDetectorType == NATIVE_DETECTOR) {
    if (mNativeDetector != null)
      mNativeDetector.detect(mGray, faces);
  } else {
    Log.e(TAG, "Detection method is not selected!");
  }
  Rect[] facesArray = faces.toArray();
  for (int i = 0; i < facesArray.length; i++)
    Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);
  return mRgba;
}

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
  mRgba = inputFrame.rgba();
  mGray = inputFrame.gray();
  if (mAbsoluteFaceSize == 0) {
    int height = mGray.rows();
    if (Math.round(height * mRelativeFaceSize) > 0) {
      mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
    }
    mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
  }
  MatOfRect faces = new MatOfRect();
  if (mDetectorType == JAVA_DETECTOR) {
    if (mJavaDetector != null)
      mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
          new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
  } else if (mDetectorType == NATIVE_DETECTOR) {
    if (mNativeDetector != null)
      mNativeDetector.detect(mGray, faces);
  } else {
    Log.e(TAG, "Detection method is not selected!");
  }
  Rect[] facesArray = faces.toArray();
  for (int i = 0; i < facesArray.length; i++)
    Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);
  return mRgba;
}

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

private void checkFace() {
  Bitmap imgtemp = BitmapFactory.decodeResource(getResources(), R.mipmap.twop);
  Utils.bitmapToMat(imgtemp, mRgba);
  Mat mat1 = new Mat();
  Utils.bitmapToMat(imgtemp, mat1);
  Imgproc.cvtColor(mat1, mGray, Imgproc.COLOR_BGR2GRAY);
  if (mAbsoluteFaceSize == 0) {
    int height = mGray.rows();
    if (Math.round(height * mRelativeFaceSize) > 0) {
      mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
    }
    mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
  }
  MatOfRect faces = new MatOfRect();
  if (mDetectorType == JAVA_DETECTOR) {
    if (mJavaDetector != null)
      mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
          new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
  } else if (mDetectorType == NATIVE_DETECTOR) {
    if (mNativeDetector != null)
      mNativeDetector.detect(mGray, faces);
  } else {
    Log.e(TAG, "Detection method is not selected!");
  }
  Rect[] facesArray = faces.toArray();
  for (int i = 0; i < facesArray.length; i++)
    Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);
  Utils.matToBitmap(mRgba, imgtemp, true);
  imageView.setImageBitmap(imgtemp);
}

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) {
  mRgba = inputFrame.rgba();
  mGray = inputFrame.gray();
  if (mAbsoluteFaceSize == 0) {
    int height = mGray.rows();
    if (Math.round(height * mRelativeFaceSize) > 0) {
      mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
    }
    mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
  }
  MatOfRect faces = new MatOfRect();
  if (mDetectorType == JAVA_DETECTOR) {
    if (mJavaDetector != null)
      mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
          new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
  } else if (mDetectorType == NATIVE_DETECTOR) {
    if (mNativeDetector != null)
      mNativeDetector.detect(mGray, faces);
  } else {
    Log.e(TAG, "Detection method is not selected!");
  }
  Rect[] facesArray = faces.toArray();
  for (int i = 0; i < facesArray.length; i++)
    Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);
  return mRgba;
}

代码示例来源：origin: SouvDc/face-detection

public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
  mRgba = inputFrame.rgba();
  mGray = inputFrame.gray();
  if (mAbsoluteFaceSize == 0) {
    int height = mGray.rows();
    if (Math.round(height * mRelativeFaceSize) > 0) {
      mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize);
    }
    mNativeDetector.setMinFaceSize(mAbsoluteFaceSize);
  }
  MatOfRect faces = new MatOfRect();
  if (mDetectorType == JAVA_DETECTOR) {
    if (mJavaDetector != null)
      mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE
          new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size());
  }
  else if (mDetectorType == NATIVE_DETECTOR) {
    if (mNativeDetector != null)
      mNativeDetector.detect(mGray, faces);
  }
  else {
    Log.e(TAG, "Detection method is not selected!");
  }
  Rect[] facesArray = faces.toArray();
  for (int i = 0; i < facesArray.length; i++)
    Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);
  return mRgba;
}

代码示例来源：origin: abhn/marvel

Core.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

Imgproc.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3);

代码示例来源：origin: kongqw/OpenCVForAndroid

public RotatedRect objectTracking(Mat mRgba) {
  rgba2Hsv(mRgba);
  updateHueImage();
  // 计算直方图的反投影。
  // Imgproc.calcBackProject(hueList, new MatOfInt(0), hist, prob, ranges, 255);
  Imgproc.calcBackProject(hueList, new MatOfInt(0), hist, prob, ranges, 1.0);
  // 计算两个数组的按位连接（dst = src1 & src2）计算两个数组或数组和标量的每个元素的逐位连接。
  Core.bitwise_and(prob, mask, prob, new Mat());
  // 追踪目标
  rotatedRect = Video.CamShift(prob, trackRect, new TermCriteria(TermCriteria.EPS, 10, 1));
  if (null != mOnCalcBackProjectListener) {
    mOnCalcBackProjectListener.onCalcBackProject(prob);
  }
  // 将本次最终到的目标作为下次追踪的对象
  trackRect = rotatedRect.boundingRect();
  Imgproc.rectangle(prob, trackRect.tl(), trackRect.br(), new Scalar(255, 255, 0, 255), 6);
  Log.i(TAG, "objectTracking: 宽度 : " + trackRect.width + "  高度 : " + trackRect.height + "  角度 : " + rotatedRect.angle);
  return rotatedRect;
}

代码示例来源：origin: hschott/Camdroid

protected void execute() {
  if (!classifierPath.equals(lastUsedClassifierPath)) {
    detector.load(classifierPath);
    lastUsedClassifierPath = classifierPath;
  }
  if (detector.empty()) {
    return;
  }
  out = gray();
  double min = (double) this.in.height() * object_min_size / 100;
  double max = (double) this.in.height() * object_max_size / 100;
  MatOfRect rects = new MatOfRect();
  detector.detectMultiScale(out, rects,
      1 + (double) scale_factor / 100, min_neighbors, 0,
      new Size(min, min), new Size(max, max));
  for (Rect rect : rects.toArray()) {
    Imgproc.rectangle(out, rect.tl(), rect.br(),
        new Scalar(255, 0, 0), 1);
  }
}

代码示例来源：origin: kongqw/OpenCVForAndroid

Imgproc.rectangle(mRgba, rect.tl(), rect.br(), TRACKING_RECT_COLOR, 3);
if (null != mOnObjectTrackingListener) {
  Point center = rotatedRect.center;

代码示例来源：origin: nroduit/Weasis

private void copyTileToResultImage(Mat tileOutput, Mat resultImage, Rect srcTile, Rect dstTile) {
  Point br = dstTile.br();
  if (br.x >= resultImage.cols()) {
    dstTile.width -= br.x - resultImage.cols();
    srcTile.width -= br.x - resultImage.cols();
  }
  if (br.y >= resultImage.rows()) {
    dstTile.height -= br.y - resultImage.rows();
    srcTile.height -= br.y - resultImage.rows();
  }
  Mat tileView = tileOutput.submat(srcTile);
  Mat dstView = resultImage.submat(dstTile);
  assert (tileView.rows() == dstView.rows());
  assert (tileView.cols() == dstView.cols());
  tileView.copyTo(dstView);
}

代码示例来源：origin: nroduit/Weasis

private void copyTileToResultImage(Mat tileOutput, Mat resultImage, Rect dstTile) {
  Rect srcTile = new Rect(mPadding, mPadding, mTileSize, mTileSize);
  Point br = dstTile.br();
  if (br.x >= resultImage.cols()) {
    dstTile.width -= br.x - resultImage.cols();
    srcTile.width -= br.x - resultImage.cols();
  }
  if (br.y >= resultImage.rows()) {
    dstTile.height -= br.y - resultImage.rows();
    srcTile.height -= br.y - resultImage.rows();
  }
  Mat tileView = tileOutput.submat(srcTile);
  Mat dstView = resultImage.submat(dstTile);
  assert (tileView.rows() == dstView.rows());
  assert (tileView.cols() == dstView.cols());
  tileView.copyTo(dstView);
}

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