org.openimaj.video.Video.getCurrentFrameIndex()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.getCurrentFrameIndex()方法的一些代码示例，展示了Video.getCurrentFrameIndex()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.getCurrentFrameIndex()方法的具体详情如下：
包路径：org.openimaj.video.Video
类名称：Video
方法名：getCurrentFrameIndex

Video.getCurrentFrameIndex介绍

[英]Get the index of the current frame
[中]获取当前帧的索引

代码示例

代码示例来源：origin: openimaj/openimaj

  1. /**
  2.  * Returns the position of the play head in this video as a percentage of
  3.  * the length of the video. IF the video is a live video, this method will
  4.  * always return 0;
  5.  *
  6.  * @return The percentage through the video.
  7.  */
  8. public double getPosition() {
  9.   final long nFrames = this.video.countFrames();
  10.   if (nFrames == -1)
  11.     return 0;
  12.   return this.video.getCurrentFrameIndex() * 100d / nFrames;
  13. }

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

  1. /**
  2.  * Returns the position of the play head in this video as a percentage of
  3.  * the length of the video. IF the video is a live video, this method will
  4.  * always return 0;
  5.  *
  6.  * @return The percentage through the video.
  7.  */
  8. public double getPosition() {
  9.   final long nFrames = this.video.countFrames();
  10.   if (nFrames == -1)
  11.     return 0;
  12.   return this.video.getCurrentFrameIndex() * 100d / nFrames;
  13. }

代码示例来源：origin: org.openimaj/sandbox

  1. @Override
  2.   public List<Identifiable> getIdentifiers()
  3.   {
  4.     final List<Identifiable> r =
  5.         new ArrayList<Identifiable>();
  6.     r.add(new IdentifiableVideoFrame(video.getCurrentFrame(),
  7.         new HrsMinSecFrameTimecode(video.getCurrentFrameIndex(),
  8.             video.getFPS())));
  9.     return r;
  10.   }
  11. }, sp);

代码示例来源：origin: openimaj/openimaj

  1. @Override
  2.   public List<Identifiable> getIdentifiers()
  3.   {
  4.     final List<Identifiable> r =
  5.         new ArrayList<Identifiable>();
  6.     r.add(new IdentifiableVideoFrame(video.getCurrentFrame(),
  7.         new HrsMinSecFrameTimecode(video.getCurrentFrameIndex(),
  8.             video.getFPS())));
  9.     return r;
  10.   }
  11. }, sp);

代码示例来源：origin: openimaj/openimaj

  1. /**
  2.  * Process the video and provide a URI which all relations will be linked to.
  3.  *
  4.  * @param v The video to process
  5.  * @param uri The URI of the video
  6.  */
  7. public void processVideo( final Video<MBFImage> v, final String uri )
  8. {
  9.   this.videoURI = uri;
  10.   for (final MBFImage frame : v)
  11.     this.processFrame( frame,
  12.       new HrsMinSecFrameTimecode( v.getCurrentFrameIndex(), v.getFPS() ) );
  13. }

代码示例来源：origin: org.openimaj/sandbox

  1. /**
  2.  * Process the video and provide a URI which all relations will be linked to.
  3.  *
  4.  * @param v The video to process
  5.  * @param uri The URI of the video
  6.  */
  7. public void processVideo( final Video<MBFImage> v, final String uri )
  8. {
  9.   this.videoURI = uri;
  10.   for (final MBFImage frame : v)
  11.     this.processFrame( frame,
  12.       new HrsMinSecFrameTimecode( v.getCurrentFrameIndex(), v.getFPS() ) );
  13. }

代码示例来源：origin: openimaj/openimaj

  1. /**
  2.  * Force the given identifiable to be updated in the dataset for the current
  3.  * time.
  4.  * 
  5.  * @param i
  6.  *            The identifiable
  7.  */
  8. public void updateIdentifiable(final Identifiable i)
  9. {
  10.   final List<String> tags = this.stateProvider.getCurrentState(i);
  11.   if (tags == null)
  12.     return;
  13.   final AnnotatedIdentifiable ai = new AnnotatedIdentifiable();
  14.   ai.id = i;
  15.   ai.startTimestamp = new HrsMinSecFrameTimecode(
  16.       this.video.getCurrentFrameIndex(), this.video.getFPS());
  17.   ai.tags = new ArrayList<String>(tags);
  18.   this.addToDataset(ai);
  19. }

代码示例来源：origin: org.openimaj/sandbox

  1. /**
  2.  * Force the given identifiable to be updated in the dataset for the current
  3.  * time.
  4.  * 
  5.  * @param i
  6.  *            The identifiable
  7.  */
  8. public void updateIdentifiable(final Identifiable i)
  9. {
  10.   final List<String> tags = this.stateProvider.getCurrentState(i);
  11.   if (tags == null)
  12.     return;
  13.   final AnnotatedIdentifiable ai = new AnnotatedIdentifiable();
  14.   ai.id = i;
  15.   ai.startTimestamp = new HrsMinSecFrameTimecode(
  16.       this.video.getCurrentFrameIndex(), this.video.getFPS());
  17.   ai.tags = new ArrayList<String>(tags);
  18.   this.addToDataset(ai);
  19. }

代码示例来源：origin: openimaj/openimaj

  1. video.getCurrentFrameIndex() - 1, video.getFPS());
  2. video.getCurrentFrameIndex() - 1, video.getFPS());

代码示例来源：origin: org.openimaj/sandbox

  1. video.getCurrentFrameIndex() - 1, video.getFPS());
  2. video.getCurrentFrameIndex() - 1, video.getFPS());

代码示例来源：origin: openimaj/openimaj

  1. this.video.getCurrentFrameIndex(), this.video.getFPS());

代码示例来源：origin: org.openimaj/sandbox

  1. this.video.getCurrentFrameIndex(), this.video.getFPS());

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

  1. /**
  2.    *     Cache the given time range from the given video.
  3.    * 
  4.    *    @param <I> The type of the video frames
  5.    *    @param video The video to cache
  6.    *    @param start The start of the video to cache
  7.    *    @param end The end of the video to cache
  8.    *    @return A {@link VideoCache}
  9.    */
  10.   public static <I extends Image<?,I>> VideoCache<I> cacheVideo( Video<I> video,
  11.       VideoTimecode start, VideoTimecode end )
  12.   {
  13.     VideoCache<I> vc = new VideoCache<I>( video.getWidth(), 
  14.         video.getHeight(), video.getFPS() );
  15.     video.setCurrentFrameIndex( start.getFrameNumber() );
  16.     while( video.hasNextFrame() && 
  17.         video.getCurrentFrameIndex() < end.getFrameNumber() )
  18.       vc.addFrame( video.getNextFrame().clone() );
  19.     return vc;
  20.   }
  21. }

代码示例来源：origin: openimaj/openimaj

  1. /**
  2.    *     Cache the given time range from the given video.
  3.    * 
  4.    *    @param <I> The type of the video frames
  5.    *    @param video The video to cache
  6.    *    @param start The start of the video to cache
  7.    *    @param end The end of the video to cache
  8.    *    @return A {@link VideoCache}
  9.    */
  10.   public static <I extends Image<?,I>> VideoCache<I> cacheVideo( Video<I> video,
  11.       VideoTimecode start, VideoTimecode end )
  12.   {
  13.     VideoCache<I> vc = new VideoCache<I>( video.getWidth(), 
  14.         video.getHeight(), video.getFPS() );
  15.     video.setCurrentFrameIndex( start.getFrameNumber() );
  16.     while( video.hasNextFrame() && 
  17.         video.getCurrentFrameIndex() < end.getFrameNumber() )
  18.       vc.addFrame( video.getNextFrame().clone() );
  19.     return vc;
  20.   }
  21. }

代码示例来源：origin: org.openimaj/sandbox

  1. FeatureTable trackFeatures(Video<FImage> video, int nFeatures, boolean replace) {
  2.   final TrackingContext tc = new TrackingContext();
  3.   final FeatureList fl = new FeatureList(nFeatures);
  4.   final FeatureTable ft = new FeatureTable(nFeatures);
  5.   final KLTTracker tracker = new KLTTracker(tc, fl);
  6.   tc.setSequentialMode(true);
  7.   tc.setWriteInternalImages(false);
  8.   tc.setAffineConsistencyCheck(-1);
  9.   FImage prev = video.getCurrentFrame();
  10.   tracker.selectGoodFeatures(prev);
  11.   ft.storeFeatureList(fl, 0);
  12.   while (video.hasNextFrame()) {
  13.     final FImage next = video.getNextFrame();
  14.     tracker.trackFeatures(prev, next);
  15.     if (replace)
  16.       tracker.replaceLostFeatures(next);
  17.     prev = next;
  18.     ft.storeFeatureList(fl, video.getCurrentFrameIndex());
  19.   }
  20.   return ft;
  21. }

代码示例来源：origin: openimaj/openimaj

  1. FeatureTable trackFeatures(Video<FImage> video, int nFeatures, boolean replace) {
  2.   final TrackingContext tc = new TrackingContext();
  3.   final FeatureList fl = new FeatureList(nFeatures);
  4.   final FeatureTable ft = new FeatureTable(nFeatures);
  5.   final KLTTracker tracker = new KLTTracker(tc, fl);
  6.   tc.setSequentialMode(true);
  7.   tc.setWriteInternalImages(false);
  8.   tc.setAffineConsistencyCheck(-1);
  9.   FImage prev = video.getCurrentFrame();
  10.   tracker.selectGoodFeatures(prev);
  11.   ft.storeFeatureList(fl, 0);
  12.   while (video.hasNextFrame()) {
  13.     final FImage next = video.getNextFrame();
  14.     tracker.trackFeatures(prev, next);
  15.     if (replace)
  16.       tracker.replaceLostFeatures(next);
  17.     prev = next;
  18.     ft.storeFeatureList(fl, video.getCurrentFrameIndex());
  19.   }
  20.   return ft;
  21. }

代码示例来源：origin: openimaj/openimaj

  1. endTime.setFrameNumber( video.getCurrentFrameIndex() );

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

  1. endTime.setFrameNumber( video.getCurrentFrameIndex() );

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