org.openimaj.video.Video.getCurrentFrame()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.openimaj.video.Video.getCurrentFrame()方法的一些代码示例，展示了Video.getCurrentFrame()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。Video.getCurrentFrame()方法的具体详情如下：
包路径：org.openimaj.video.Video
类名称：Video
方法名：getCurrentFrame

Video.getCurrentFrame介绍

[英]Get the current frame
[中]获取当前帧

代码示例

代码示例来源：origin: openimaj/openimaj

/**
   * @return the current frame
   */
  public MBFImage getCurrentFrame() {
    if (display != null)
      return display.getVideo().getCurrentFrame();
    return null;
  }
}

代码示例来源：origin: org.openimaj/sandbox

@Override
  public List<Identifiable> getIdentifiers()
  {
    final List<Identifiable> r =
        new ArrayList<Identifiable>();
    r.add(new IdentifiableVideoFrame(video.getCurrentFrame(),
        new HrsMinSecFrameTimecode(video.getCurrentFrameIndex(),
            video.getFPS())));
    return r;
  }
}, sp);

代码示例来源：origin: openimaj/openimaj

@Override
  public void actionPerformed(ActionEvent evt) {
    if (evt.getActionCommand() == SNAPSHOT_COMMAND) {
      // this gets called if the button is pressed
      // pause the video
      display.setMode(VideoDisplay.Mode.PAUSE);
      // display a file save dialog
      final JFileChooser saveFile = new JFileChooser();
      if (saveFile.showSaveDialog(frame) == JFileChooser.APPROVE_OPTION) {
        // if a file was selected write the image
        try {
          // we're just going to add .jpg to the filename and
          // save it... should be much more intelligent here
          // in reality...
          File outfile = saveFile.getSelectedFile();
          outfile = new File(outfile.getParentFile(), outfile.getName() + ".jpg");
          ImageUtilities.write(video.getCurrentFrame(), outfile);
        } catch (final IOException ioe) {
          // display an error if the file couldn't be saved
          JOptionPane.showMessageDialog(null, "Unable to save file.");
        }
      }
      // start the video playing again
      display.setMode(VideoDisplay.Mode.PLAY);
    }
  }
});

代码示例来源：origin: openimaj/openimaj

@Override
  public List<Identifiable> getIdentifiers()
  {
    final List<Identifiable> r =
        new ArrayList<Identifiable>();
    r.add(new IdentifiableVideoFrame(video.getCurrentFrame(),
        new HrsMinSecFrameTimecode(video.getCurrentFrameIndex(),
            video.getFPS())));
    return r;
  }
}, sp);

代码示例来源：origin: openimaj/openimaj

public void selectObject(Rectangle r) throws Exception{
  this.tld.selectObject(this.source.getCurrentFrame().flatten(),r);
  this.disp.setMode(Mode.PLAY);
  
}

代码示例来源：origin: org.openimaj/sandbox

FeatureTable trackFeatures(Video<FImage> video, int nFeatures, boolean replace) {
  final TrackingContext tc = new TrackingContext();
  final FeatureList fl = new FeatureList(nFeatures);
  final FeatureTable ft = new FeatureTable(nFeatures);
  final KLTTracker tracker = new KLTTracker(tc, fl);
  tc.setSequentialMode(true);
  tc.setWriteInternalImages(false);
  tc.setAffineConsistencyCheck(-1);
  FImage prev = video.getCurrentFrame();
  tracker.selectGoodFeatures(prev);
  ft.storeFeatureList(fl, 0);
  while (video.hasNextFrame()) {
    final FImage next = video.getNextFrame();
    tracker.trackFeatures(prev, next);
    if (replace)
      tracker.replaceLostFeatures(next);
    prev = next;
    ft.storeFeatureList(fl, video.getCurrentFrameIndex());
  }
  return ft;
}

代码示例来源：origin: org.openimaj/sandbox

public SFMOrtho(Video<FImage> video, int nFeatures) {
  texture = video.getCurrentFrame().clone();
  FeatureTable features = trackFeatures(video, nFeatures, false);
  features = filterNonTracked(features);
  pts = features.features.get(0);
  final List<Triangle> tris = DelaunayTriangulator.triangulate(pts);
  triangleDefs = new int[tris.size()][3];
  for (int i = 0; i < tris.size(); i++) {
    final Triangle t = tris.get(i);
    for (int j = 0; j < 3; j++) {
      triangleDefs[i][j] = pts.indexOf(t.vertices[j]);
    }
  }
  final Matrix w = buildMeasurementMatrix(features);
  factorise(w);
  applyMetricConstraint();
  alignWithFrame(0);
}

代码示例来源：origin: openimaj/openimaj

FeatureTable trackFeatures(Video<FImage> video, int nFeatures, boolean replace) {
  final TrackingContext tc = new TrackingContext();
  final FeatureList fl = new FeatureList(nFeatures);
  final FeatureTable ft = new FeatureTable(nFeatures);
  final KLTTracker tracker = new KLTTracker(tc, fl);
  tc.setSequentialMode(true);
  tc.setWriteInternalImages(false);
  tc.setAffineConsistencyCheck(-1);
  FImage prev = video.getCurrentFrame();
  tracker.selectGoodFeatures(prev);
  ft.storeFeatureList(fl, 0);
  while (video.hasNextFrame()) {
    final FImage next = video.getNextFrame();
    tracker.trackFeatures(prev, next);
    if (replace)
      tracker.replaceLostFeatures(next);
    prev = next;
    ft.storeFeatureList(fl, video.getCurrentFrameIndex());
  }
  return ft;
}

代码示例来源：origin: openimaj/openimaj

public SFMOrtho(Video<FImage> video, int nFeatures) {
  texture = video.getCurrentFrame().clone();
  FeatureTable features = trackFeatures(video, nFeatures, false);
  features = filterNonTracked(features);
  pts = features.features.get(0);
  final List<Triangle> tris = DelaunayTriangulator.triangulate(pts);
  triangleDefs = new int[tris.size()][3];
  for (int i = 0; i < tris.size(); i++) {
    final Triangle t = tris.get(i);
    for (int j = 0; j < 3; j++) {
      triangleDefs[i][j] = pts.indexOf(t.vertices[j]);
    }
  }
  final Matrix w = buildMeasurementMatrix(features);
  factorise(w);
  applyMetricConstraint();
  alignWithFrame(0);
}

代码示例来源：origin: openimaj/openimaj

I image = video.getCurrentFrame();
I keyframeImage = image.clone();

代码示例来源：origin: org.openimaj/core-video

this.currentFrame = this.video.getCurrentFrame();
this.currentFrameTimestamp = this.video.getTimeStamp();

代码示例来源：origin: openimaj/openimaj

this.currentFrame = this.video.getCurrentFrame();
this.currentFrameTimestamp = this.video.getTimeStamp();

代码示例来源：origin: openimaj/openimaj

@Override
public void afterUpdate(VideoDisplay<MBFImage> display) {
  if (ransacReader && matcher != null && !videoFrame.isPaused()) {
    final MBFImage capImg = videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<Keypoint> kpl = engine.findFeatures(Transforms.calculateIntensityNTSC(capImg));
    if (matcher.findMatches(kpl)) {
      try {
        final Polygon poly = modelImage.getBounds()
            .transform(((MatrixTransformProvider) matcher.getModel()).getTransform().inverse())
            .asPolygon();
        this.vwv.targetArea = poly;
      } catch (final RuntimeException e) {
      }
    } else {
      this.vwv.targetArea = null;
    }
  }
}

代码示例来源：origin: org.openimaj/sandbox

@Override
public void afterUpdate(VideoDisplay<MBFImage> display) {
  if (ransacReader && matcher != null && !videoFrame.isPaused()) {
    final MBFImage capImg = videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<Keypoint> kpl = engine.findFeatures(Transforms.calculateIntensityNTSC(capImg));
    if (matcher.findMatches(kpl)) {
      try {
        final Polygon poly = modelImage.getBounds()
            .transform(((MatrixTransformProvider) matcher.getModel()).getTransform().inverse())
            .asPolygon();
        this.vwv.targetArea = poly;
      } catch (final RuntimeException e) {
      }
    } else {
      this.vwv.targetArea = null;
    }
  }
}

代码示例来源：origin: openimaj/openimaj

@Override
public synchronized void afterUpdate(final VideoDisplay<MBFImage> display) {
  if (this.matcher != null && !this.videoFrame.isPaused()) {
    final MBFImage capImg = this.videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<Keypoint> kpl = this.engine.findFeatures(capImg);
    final MBFImageRenderer renderer = capImg.createRenderer();
    renderer.drawPoints(kpl, RGBColour.MAGENTA, 3);
    MBFImage matches;
    if (this.matcher.findMatches(kpl)) {
      try {
        // Shape sh =
        // modelImage.getBounds().transform(((MatrixTransformProvider)
        // matcher.getModel()).getTransform().inverse());
        // renderer.drawShape(sh, 3, RGBColour.BLUE);
        final Matrix boundsToPoly = ((MatrixTransformProvider) this.matcher.getModel()).getTransform()
            .inverse();
        this.renderMode.render(renderer, boundsToPoly, this.modelImage.getBounds());
      } catch (final RuntimeException e) {
      }
      matches = MatchingUtilities
          .drawMatches(this.modelImage, capImg, this.matcher.getMatches(), RGBColour.RED);
    } else {
      matches = MatchingUtilities
          .drawMatches(this.modelImage, capImg, this.matcher.getMatches(), RGBColour.RED);
    }
    this.matchPanel.setPreferredSize(this.matchPanel.getSize());
    this.matchFrame.setImage(ImageUtilities.createBufferedImageForDisplay(matches));
  }
}

代码示例来源：origin: org.openimaj/demos

@Override
public synchronized void afterUpdate(final VideoDisplay<MBFImage> display) {
  if (this.matcher != null && !this.videoFrame.isPaused()) {
    final MBFImage capImg = this.videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<Keypoint> kpl = this.engine.findFeatures(capImg);
    final MBFImageRenderer renderer = capImg.createRenderer();
    renderer.drawPoints(kpl, RGBColour.MAGENTA, 3);
    MBFImage matches;
    if (this.matcher.findMatches(kpl)) {
      try {
        // Shape sh =
        // modelImage.getBounds().transform(((MatrixTransformProvider)
        // matcher.getModel()).getTransform().inverse());
        // renderer.drawShape(sh, 3, RGBColour.BLUE);
        final Matrix boundsToPoly = ((MatrixTransformProvider) this.matcher.getModel()).getTransform()
            .inverse();
        this.renderMode.render(renderer, boundsToPoly, this.modelImage.getBounds());
      } catch (final RuntimeException e) {
      }
      matches = MatchingUtilities
          .drawMatches(this.modelImage, capImg, this.matcher.getMatches(), RGBColour.RED);
    } else {
      matches = MatchingUtilities
          .drawMatches(this.modelImage, capImg, this.matcher.getMatches(), RGBColour.RED);
    }
    this.matchPanel.setPreferredSize(this.matchPanel.getSize());
    this.matchFrame.setImage(ImageUtilities.createBufferedImageForDisplay(matches));
  }
}

代码示例来源：origin: openimaj/openimaj

@Override
public void afterUpdate(VideoDisplay<MBFImage> display) {
  if (matcher != null && !videoFrame.isPaused()) {
    final MBFImage capImg = videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<InterestPointKeypoint<InterestPointData>> kpl = engine.findFeatures(Transforms
        .calculateIntensityNTSC(capImg));
    final MBFImageRenderer renderer = capImg.createRenderer();
    renderer.drawPoints(kpl, RGBColour.MAGENTA, 3);
    MBFImage matches;
    if (matcher.findMatches(kpl)) {
      try {
        final Shape sh = modelImage.getBounds().transform(
            ((MatrixTransformProvider) matcher.getModel()).getTransform().inverse());
        renderer.drawShape(sh, 3, RGBColour.BLUE);
      } catch (final RuntimeException e) {
      }
      matches = MatchingUtilities.drawMatches(modelImage, capImg, matcher.getMatches(), RGBColour.RED);
    } else {
      matches = MatchingUtilities.drawMatches(modelImage, capImg, null, RGBColour.RED);
    }
    if (matchFrame == null) {
      matchFrame = DisplayUtilities.display(matches, "matches");
      matchFrame.addKeyListener(this);
      final Point pt = matchFrame.getLocation();
      matchFrame.setLocation(pt.x, pt.y + matchFrame.getHeight());
    } else {
      DisplayUtilities.display(matches, matchFrame);
    }
  }
}

代码示例来源：origin: openimaj/openimaj

MBFImage image = video.getCurrentFrame();

代码示例来源：origin: org.openimaj/sandbox

MBFImage image = video.getCurrentFrame();

代码示例来源：origin: org.openimaj/sandbox

@Override
public void afterUpdate(VideoDisplay<MBFImage> display) {
  if (matcher != null && !videoFrame.isPaused()) {
    final MBFImage capImg = videoFrame.getVideo().getCurrentFrame();
    final LocalFeatureList<InterestPointKeypoint<InterestPointData>> kpl = engine.findFeatures(Transforms
        .calculateIntensityNTSC(capImg));
    final MBFImageRenderer renderer = capImg.createRenderer();
    renderer.drawPoints(kpl, RGBColour.MAGENTA, 3);
    MBFImage matches;
    if (matcher.findMatches(kpl)) {
      try {
        final Shape sh = modelImage.getBounds().transform(
            ((MatrixTransformProvider) matcher.getModel()).getTransform().inverse());
        renderer.drawShape(sh, 3, RGBColour.BLUE);
      } catch (final RuntimeException e) {
      }
      matches = MatchingUtilities.drawMatches(modelImage, capImg, matcher.getMatches(), RGBColour.RED);
    } else {
      matches = MatchingUtilities.drawMatches(modelImage, capImg, null, RGBColour.RED);
    }
    if (matchFrame == null) {
      matchFrame = DisplayUtilities.display(matches, "matches");
      matchFrame.addKeyListener(this);
      final Point pt = matchFrame.getLocation();
      matchFrame.setLocation(pt.x, pt.y + matchFrame.getHeight());
    } else {
      DisplayUtilities.display(matches, matchFrame);
    }
  }
}

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