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Java ImageUtils类代码示例

本文整理汇总了Java中org.tensorflow.demo.env.ImageUtils类的典型用法代码示例。如果您正苦于以下问题：Java ImageUtils类的具体用法？Java ImageUtils怎么用？Java ImageUtils使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


ImageUtils类属于org.tensorflow.demo.env包，在下文中一共展示了ImageUtils类的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: onPreviewSizeChosen

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
public void onPreviewSizeChosen(final Size size, final int rotation) {

    previewWidth = size.getWidth();
    previewHeight = size.getHeight();

    final Display display = getWindowManager().getDefaultDisplay();
    final int screenOrientation = display.getRotation();

    LOGGER.i("Sensor orientation: %d, Screen orientation: %d", rotation, screenOrientation);

    sensorOrientation = rotation + screenOrientation;

    LOGGER.i("Initializing at size %dx%d", previewWidth, previewHeight);
    rgbBytes = new int[previewWidth * previewHeight];
    rgbFrameBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888);
    croppedBitmap = Bitmap.createBitmap(INPUT_SIZE, INPUT_SIZE, Bitmap.Config.ARGB_8888);

    frameToCropTransform =
        ImageUtils.getTransformationMatrix(previewWidth, previewHeight, INPUT_SIZE, INPUT_SIZE,
            sensorOrientation, MAINTAIN_ASPECT);

    Matrix cropToFrameTransform = new Matrix();
    frameToCropTransform.invert(cropToFrameTransform);

    yuvBytes = new byte[3][];
  }
开发者ID:flipper83，项目名称:SortingHatAndroid，代码行数:27，代码来源:CameraActivity.java

示例2: draw

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
public synchronized void draw(final Canvas canvas) {
  // TODO(andrewharp): This may not work for non-90 deg rotations.
  final float multiplier =
      Math.min(canvas.getWidth() / (float) frameHeight, canvas.getHeight() / (float) frameWidth);
  frameToCanvasMatrix =
      ImageUtils.getTransformationMatrix(
          frameWidth,
          frameHeight,
          (int) (multiplier * frameHeight),
          (int) (multiplier * frameWidth),
          sensorOrientation,
          false);
  for (final TrackedRecognition recognition : trackedObjects) {
    final RectF trackedPos =
        (objectTracker != null)
            ? recognition.trackedObject.getTrackedPositionInPreviewFrame()
            : new RectF(recognition.location);

    getFrameToCanvasMatrix().mapRect(trackedPos);
    boxPaint.setColor(recognition.color);

    final float cornerSize = Math.min(trackedPos.width(), trackedPos.height()) / 8.0f;
    canvas.drawRoundRect(trackedPos, cornerSize, cornerSize, boxPaint);

    final String labelString =
        !TextUtils.isEmpty(recognition.title)
            ? String.format("%s %.2f", recognition.title, recognition.detectionConfidence)
            : String.format("%.2f", recognition.detectionConfidence);
    borderedText.drawText(canvas, trackedPos.left + cornerSize, trackedPos.bottom, labelString);
  }
}
开发者ID:Jamjomjara，项目名称:snu-artoon，代码行数:32，代码来源:MultiBoxTracker.java

示例3: onClick

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
public void onClick(final View v) {
  if (textureCopyBitmap != null) {
    // TODO(andrewharp): Save as jpeg with guaranteed unique filename.
    ImageUtils.saveBitmap(textureCopyBitmap, "stylized" + frameNum + ".png");
    Toast.makeText(
            StylizeActivity.this,
            "Saved image to: /sdcard/tensorflow/" + "stylized" + frameNum + ".png",
            Toast.LENGTH_LONG)
        .show();
  }
}
开发者ID:apacha，项目名称:TensorflowAndroidDemo，代码行数:13，代码来源:StylizeActivity.java

示例4: draw

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
public synchronized void draw(final Canvas canvas) {
  if (objectTracker == null) {
    return;
  }

  // TODO(andrewharp): This may not work for non-90 deg rotations.
  final float multiplier =
      Math.min(canvas.getWidth() / (float) frameHeight, canvas.getHeight() / (float) frameWidth);
  frameToCanvasMatrix =
      ImageUtils.getTransformationMatrix(
          frameWidth,
          frameHeight,
          (int) (multiplier * frameHeight),
          (int) (multiplier * frameWidth),
          sensorOrientation,
          false);
  for (final TrackedRecognition recognition : trackedObjects) {
    final ObjectTracker.TrackedObject trackedObject = recognition.trackedObject;

    final RectF trackedPos = trackedObject.getTrackedPositionInPreviewFrame();
    getFrameToCanvasMatrix().mapRect(trackedPos);
    boxPaint.setColor(recognition.color);

    final float cornerSize = Math.min(trackedPos.width(), trackedPos.height()) / 8.0f;
    canvas.drawRoundRect(trackedPos, cornerSize, cornerSize, boxPaint);

    final String labelString =
        !TextUtils.isEmpty(recognition.title)
            ? String.format("%s %.2f", recognition.title, recognition.detectionConfidence)
            : String.format("%.2f", recognition.detectionConfidence);
    borderedText.drawText(canvas, trackedPos.left + cornerSize, trackedPos.bottom, labelString);
  }
}
开发者ID:apacha，项目名称:TensorflowAndroidDemo，代码行数:34，代码来源:MultiBoxTracker.java

示例5: processImage

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
protected void processImage() {
  rgbFrameBitmap.setPixels(getRgbBytes(), 0, previewWidth, 0, 0, previewWidth, previewHeight);
  final Canvas canvas = new Canvas(croppedBitmap);
  canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);

  // For examining the actual TF input.
  if (SAVE_PREVIEW_BITMAP) {
    ImageUtils.saveBitmap(croppedBitmap);
  }
  runInBackground(
      new Runnable() {
        @Override
        public void run() {
          final long startTime = SystemClock.uptimeMillis();
          final List<Classifier.Recognition> results = classifier.recognizeImage(croppedBitmap);
          lastProcessingTimeMs = SystemClock.uptimeMillis() - startTime;
          LOGGER.i("Detect: %s", results);
          cropCopyBitmap = Bitmap.createBitmap(croppedBitmap);
          if (resultsView == null) {
            resultsView = (ResultsView) findViewById(R.id.results);
          }
          resultsView.setResults(results);
          requestRender();
          readyForNextImage();
        }
      });
}
开发者ID:Nilhcem，项目名称:tensorflow-classifier-android，代码行数:29，代码来源:ClassifierActivity.java

示例6: onPreviewSizeChosen

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
public void onPreviewSizeChosen(final Size size, final int rotation) {
    final float textSizePx =
            TypedValue.applyDimension(
                    TypedValue.COMPLEX_UNIT_DIP, TEXT_SIZE_DIP, getResources().getDisplayMetrics());
    borderedText = new BorderedText(textSizePx);
    borderedText.setTypeface(Typeface.MONOSPACE);

    if (TensorFlowYoloDetector.selectedModel == 0) {
        classifier = TensorFlowYoloDetector.create(
                getAssets(),
                YOLO_MODEL_FILE_FACE,
                YOLO_INPUT_SIZE,
                YOLO_INPUT_NAME,
                YOLO_OUTPUT_NAMES,
                YOLO_BLOCK_SIZE);

    } else {
        classifier = TensorFlowYoloDetector.create(
                getAssets(),
                YOLO_MODEL_FILE_HAND,
                YOLO_INPUT_SIZE,
                YOLO_INPUT_NAME,
                YOLO_OUTPUT_NAMES,
                YOLO_BLOCK_SIZE);
    }


    previewWidth = size.getWidth();
    previewHeight = size.getHeight();

    final Display display = getWindowManager().getDefaultDisplay();
    final int screenOrientation = display.getRotation();

    LOGGER.i("Sensor orientation: %d, Screen orientation: %d", rotation, screenOrientation);

    sensorOrientation = rotation + screenOrientation;

    LOGGER.i("Initializing at size %dx%d", previewWidth, previewHeight);
    rgbBytes = new int[previewWidth * previewHeight];
    rgbFrameBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Config.ARGB_8888);
    croppedBitmap = Bitmap.createBitmap(YOLO_INPUT_SIZE, YOLO_INPUT_SIZE, Config.ARGB_8888);

    frameToCropTransform =
            ImageUtils.getTransformationMatrix(
                    previewWidth, previewHeight,
                    YOLO_INPUT_SIZE, YOLO_INPUT_SIZE,
                    sensorOrientation, MAINTAIN_ASPECT);

    cropToFrameTransform = new Matrix();
    frameToCropTransform.invert(cropToFrameTransform);

    yuvBytes = new byte[3][];

}
开发者ID:Jamjomjara，项目名称:snu-artoon，代码行数:56，代码来源:ARToonActivity.java

示例7: onPreviewSizeChosen

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
public void onPreviewSizeChosen(final Size size, final int rotation) {
  final float textSizePx =
      TypedValue.applyDimension(
          TypedValue.COMPLEX_UNIT_DIP, TEXT_SIZE_DIP, getResources().getDisplayMetrics());
  borderedText = new BorderedText(textSizePx);
  borderedText.setTypeface(Typeface.MONOSPACE);

  classifier =
      TensorFlowImageClassifier.create(
          getAssets(),
          MODEL_FILE,
          LABEL_FILE,
          INPUT_SIZE,
          IMAGE_MEAN,
          IMAGE_STD,
          INPUT_NAME,
          OUTPUT_NAME);

  resultsView = (ResultsView) findViewById(R.id.results);
  previewWidth = size.getWidth();
  previewHeight = size.getHeight();

  final Display display = getWindowManager().getDefaultDisplay();
  final int screenOrientation = display.getRotation();

  LOGGER.i("Sensor orientation: %d, Screen orientation: %d", rotation, screenOrientation);

  sensorOrientation = rotation + screenOrientation;

  LOGGER.i("Initializing at size %dx%d", previewWidth, previewHeight);
  rgbBytes = new int[previewWidth * previewHeight];
  rgbFrameBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Config.ARGB_8888);
  croppedBitmap = Bitmap.createBitmap(INPUT_SIZE, INPUT_SIZE, Config.ARGB_8888);

  frameToCropTransform =
      ImageUtils.getTransformationMatrix(
          previewWidth, previewHeight,
          INPUT_SIZE, INPUT_SIZE,
          sensorOrientation, MAINTAIN_ASPECT);

  cropToFrameTransform = new Matrix();
  frameToCropTransform.invert(cropToFrameTransform);

  yuvBytes = new byte[3][];

  addCallback(
      new DrawCallback() {
        @Override
        public void drawCallback(final Canvas canvas) {
          renderDebug(canvas);
        }
      });
}
开发者ID:apacha，项目名称:TensorflowAndroidDemo，代码行数:55，代码来源:ClassifierActivity.java

示例8: onImageAvailable

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
public void onImageAvailable(final ImageReader reader) {
  Image image = null;

  try {
    image = reader.acquireLatestImage();

    if (image == null) {
      return;
    }

    if (computing) {
      image.close();
      return;
    }
    computing = true;

    Trace.beginSection("imageAvailable");

    final Plane[] planes = image.getPlanes();
    fillBytes(planes, yuvBytes);

    final int yRowStride = planes[0].getRowStride();
    final int uvRowStride = planes[1].getRowStride();
    final int uvPixelStride = planes[1].getPixelStride();
    ImageUtils.convertYUV420ToARGB8888(
        yuvBytes[0],
        yuvBytes[1],
        yuvBytes[2],
        rgbBytes,
        previewWidth,
        previewHeight,
        yRowStride,
        uvRowStride,
        uvPixelStride,
        false);

    image.close();
  } catch (final Exception e) {
    if (image != null) {
      image.close();
    }
    LOGGER.e(e, "Exception!");
    Trace.endSection();
    return;
  }

  rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
  final Canvas canvas = new Canvas(croppedBitmap);
  canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);

  // For examining the actual TF input.
  if (SAVE_PREVIEW_BITMAP) {
    ImageUtils.saveBitmap(croppedBitmap);
  }

  runInBackground(
      new Runnable() {
        @Override
        public void run() {
          final long startTime = SystemClock.uptimeMillis();
          final List<Classifier.Recognition> results = classifier.recognizeImage(croppedBitmap);
          lastProcessingTimeMs = SystemClock.uptimeMillis() - startTime;

          cropCopyBitmap = Bitmap.createBitmap(croppedBitmap);
          resultsView.setResults(results);
          requestRender();
          computing = false;
        }
      });

  Trace.endSection();
}
开发者ID:apacha，项目名称:TensorflowAndroidDemo，代码行数:74，代码来源:ClassifierActivity.java

示例9: onPreviewFrame

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
/**
 * Callback for android.hardware.Camera API
 */
@Override
public void onPreviewFrame(final byte[] bytes, final Camera camera) {
  if (isProcessingFrame) {
    LOGGER.w("Dropping frame!");
    return;
  }

  try {
    // Initialize the storage bitmaps once when the resolution is known.
    if (rgbBytes == null) {
      Camera.Size previewSize = camera.getParameters().getPreviewSize();
      previewHeight = previewSize.height;
      previewWidth = previewSize.width;
      rgbBytes = new int[previewWidth * previewHeight];
      onPreviewSizeChosen(new Size(previewSize.width, previewSize.height), 90);
    }
  } catch (final Exception e) {
    LOGGER.e(e, "Exception!");
    return;
  }

  isProcessingFrame = true;
  lastPreviewFrame = bytes;
  yuvBytes[0] = bytes;
  yRowStride = previewWidth;

  imageConverter =
      new Runnable() {
        @Override
        public void run() {
          ImageUtils.convertYUV420SPToARGB8888(bytes, previewWidth, previewHeight, rgbBytes);
        }
      };

  postInferenceCallback =
      new Runnable() {
        @Override
        public void run() {
          camera.addCallbackBuffer(bytes);
          isProcessingFrame = false;
        }
      };
  processImage();
}
开发者ID:Nilhcem，项目名称:tensorflow-classifier-android，代码行数:48，代码来源:CameraActivity.java

示例10: onImageAvailable

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
/**
 * Callback for Camera2 API
 */
@Override
public void onImageAvailable(final ImageReader reader) {
  //We need wait until we have some size from onPreviewSizeChosen
  if (previewWidth == 0 || previewHeight == 0) {
    return;
  }
  if (rgbBytes == null) {
    rgbBytes = new int[previewWidth * previewHeight];
  }
  try {
    final Image image = reader.acquireLatestImage();

    if (image == null) {
      return;
    }

    if (isProcessingFrame) {
      image.close();
      return;
    }
    isProcessingFrame = true;
    Trace.beginSection("imageAvailable");
    final Plane[] planes = image.getPlanes();
    fillBytes(planes, yuvBytes);
    yRowStride = planes[0].getRowStride();
    final int uvRowStride = planes[1].getRowStride();
    final int uvPixelStride = planes[1].getPixelStride();

    imageConverter =
        new Runnable() {
          @Override
          public void run() {
            ImageUtils.convertYUV420ToARGB8888(
                yuvBytes[0],
                yuvBytes[1],
                yuvBytes[2],
                previewWidth,
                previewHeight,
                yRowStride,
                uvRowStride,
                uvPixelStride,
                rgbBytes);
          }
        };

    postInferenceCallback =
        new Runnable() {
          @Override
          public void run() {
            image.close();
            isProcessingFrame = false;
          }
        };

    processImage();
  } catch (final Exception e) {
    LOGGER.e(e, "Exception!");
    Trace.endSection();
    return;
  }
  Trace.endSection();
}
开发者ID:Nilhcem，项目名称:tensorflow-classifier-android，代码行数:66，代码来源:CameraActivity.java

示例11: onPreviewSizeChosen

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override
public void onPreviewSizeChosen(final Size size, final int rotation) {
  final float textSizePx = TypedValue.applyDimension(
      TypedValue.COMPLEX_UNIT_DIP, TEXT_SIZE_DIP, getResources().getDisplayMetrics());
  borderedText = new BorderedText(textSizePx);
  borderedText.setTypeface(Typeface.MONOSPACE);

  classifier =
      TensorFlowImageClassifier.create(
          getAssets(),
          MODEL_FILE,
          LABEL_FILE,
          INPUT_SIZE,
          IMAGE_MEAN,
          IMAGE_STD,
          INPUT_NAME,
          OUTPUT_NAME);

  previewWidth = size.getWidth();
  previewHeight = size.getHeight();

  final Display display = getWindowManager().getDefaultDisplay();
  final int screenOrientation = display.getRotation();

  LOGGER.i("Sensor orientation: %d, Screen orientation: %d", rotation, screenOrientation);

  sensorOrientation = rotation + screenOrientation;

  LOGGER.i("Initializing at size %dx%d", previewWidth, previewHeight);
  rgbFrameBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Config.ARGB_8888);
  croppedBitmap = Bitmap.createBitmap(INPUT_SIZE, INPUT_SIZE, Config.ARGB_8888);

  frameToCropTransform = ImageUtils.getTransformationMatrix(
      previewWidth, previewHeight,
      INPUT_SIZE, INPUT_SIZE,
      sensorOrientation, MAINTAIN_ASPECT);

  cropToFrameTransform = new Matrix();
  frameToCropTransform.invert(cropToFrameTransform);

  addCallback(
      new DrawCallback() {
        @Override
        public void drawCallback(final Canvas canvas) {
          renderDebug(canvas);
        }
      });
}
开发者ID:Nilhcem，项目名称:tensorflow-classifier-android，代码行数:49，代码来源:ClassifierActivity.java

示例12: onImageAvailable

import org.tensorflow.demo.env.ImageUtils; //导入依赖的package包/类
@Override public void onImageAvailable(final ImageReader reader) {
  imageReader = reader;

  Image image = null;

  try {
    image = reader.acquireLatestImage();

    if (image == null) {
      return;
    }

    if (savingImage || computing) {
      image.close();
      return;
    }
    savingImage = true;

    Trace.beginSection("imageAvailable");

    final Plane[] planes = image.getPlanes();
    fillBytes(planes, yuvBytes);

    final int yRowStride = planes[0].getRowStride();
    final int uvRowStride = planes[1].getRowStride();
    final int uvPixelStride = planes[1].getPixelStride();
    ImageUtils.convertYUV420ToARGB8888(yuvBytes[0], yuvBytes[1], yuvBytes[2], rgbBytes,
        previewWidth, previewHeight, yRowStride, uvRowStride, uvPixelStride, false);

    image.close();
  } catch (final Exception e) {
    if (image != null) {
      image.close();
    }
    LOGGER.e(e, "Exception!");
    Trace.endSection();
    return;
  }

  rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
  final Canvas canvas = new Canvas(croppedBitmap);
  canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);

  // For examining the actual TF input.
  if (SAVE_PREVIEW_BITMAP) {
    ImageUtils.saveBitmap(croppedBitmap);
  }

  savingImage = false;
  Trace.endSection();
}
开发者ID:flipper83，项目名称:SortingHatAndroid，代码行数:52，代码来源:CameraActivity.java


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