ObjectTracker.java 文件源码

private RectF upscaleRect(final RectF downsampledFrameRect) {
  return new RectF(
      downsampledFrameRect.left * DOWNSAMPLE_FACTOR,
      downsampledFrameRect.top * DOWNSAMPLE_FACTOR,
      downsampledFrameRect.right * DOWNSAMPLE_FACTOR,
      downsampledFrameRect.bottom * DOWNSAMPLE_FACTOR);
}