net.imglib2.view.Views.zeroMin()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net.imglib2.view.Views.zeroMin()方法的一些代码示例，展示了Views.zeroMin()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。Views.zeroMin()方法的具体详情如下：
包路径：net.imglib2.view.Views
类名称：Views
方法名：zeroMin

Views.zeroMin介绍

[英]Translate the source such that the upper left corner is at the origin
[中]平移源，使左上角位于原点

代码示例

代码示例来源：origin: imagej/imagej-ops

  1. @Override
  2. public IntervalView<T> calculate(RandomAccessibleInterval<T> input) {
  3.   return Views.zeroMin(input);
  4. }

代码示例来源：origin: net.imglib2/imglib2

  1. public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long... steps )
  2. {
  3.   super( Views.zeroMin( source ), steps );
  4.   dimensions = new long[ steps.length ];
  5.   max = new long[ steps.length ];
  6.   for ( int d = 0; d < steps.length; ++d )
  7.   {
  8.     this.steps[ d ] = steps[ d ];
  9.     dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / steps[ d ]);
  10.     max[ d ] = dimensions[ d ] - 1;
  11.   }
  12. }

代码示例来源：origin: net.imglib2/imglib2

  1. public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long step )
  2. {
  3.   super( Views.zeroMin( source ), step );
  4.   dimensions = new long[ steps.length ];
  5.   max = new long[ steps.length ];
  6.   for ( int d = 0; d < steps.length; ++d )
  7.   {
  8.     steps[ d ] = step;
  9.     dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / step );
  10.     max[ d ] = dimensions[ d ] - 1;
  11.   }
  12. }

代码示例来源：origin: imglib/imglib2

  1. public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long... steps )
  2. {
  3.   super( Views.zeroMin( source ), steps );
  4.   dimensions = new long[ steps.length ];
  5.   max = new long[ steps.length ];
  6.   for ( int d = 0; d < steps.length; ++d )
  7.   {
  8.     this.steps[ d ] = steps[ d ];
  9.     dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / steps[ d ]);
  10.     max[ d ] = dimensions[ d ] - 1;
  11.   }
  12. }

代码示例来源：origin: imglib/imglib2

  1. public SubsampleIntervalView( final RandomAccessibleInterval< T > source, final long step )
  2. {
  3.   super( Views.zeroMin( source ), step );
  4.   dimensions = new long[ steps.length ];
  5.   max = new long[ steps.length ];
  6.   for ( int d = 0; d < steps.length; ++d )
  7.   {
  8.     steps[ d ] = step;
  9.     dimensions[ d ] = ( int )Math.ceil( ( double )source.dimension( d ) / step );
  10.     max[ d ] = dimensions[ d ] - 1;
  11.   }
  12. }

代码示例来源：origin: net.imglib2/imglib2-script

  1. /** Flip one axis of an image; for example, flip the orientation of the x axis.
  2.    * @param img
  3.    * @param dimension The index of the dimension to flip; x=0, y=1, z=2, ...
  4.    */
  5.   public InvertAxis(final RandomAccessibleInterval<R> img, final int dimension) {
  6.     super(Views.zeroMin(Views.invertAxis(img, dimension)));
  7.   }
  8. }

代码示例来源：origin: net.imglib2/imglib2-script

  1. public ROI(final RandomAccessibleInterval<R> img, final long[] offset, final long[] dimensions) {
  2.   super(Views.zeroMin(Views.interval(img, offset, asMax(offset, dimensions))));
  3. }

代码示例来源：origin: net.preibisch/multiview-simulation

  1. public void run()
  2.   {
  3.     final long[] min1 = min.clone();
  4.     final long[] max1 = max.clone();
  5.     getInterval( min1, max1, 1 );
  6.     if ( halfPixelOffset )
  7.       split1 = SimulateMultiViewDataset.extractSlices(
  8.           Views.zeroMin( Views.interval( conHalfPixel, min1, max1 ) ),
  9.           lightsheetSpacing, snr, new Random( seed1 ) );
  10.     else
  11.       split1 = SimulateMultiViewDataset.extractSlices(
  12.           Views.zeroMin( Views.interval( con, min1, max1 ) ),
  13.           lightsheetSpacing, snr, new Random( seed1 ) );
  14.   }
  15. } );

代码示例来源：origin: net.imglib2/imglib2-script

  1. static private final <R extends RealType<R>> IntervalView<R> process(final Img<R> img, final Mode mode) {
  2.     IntervalView<R> iv;
  3.     if (Mode.R90 == mode) {
  4.       iv = Views.rotate(img, 0, 1);
  5.     } else if (Mode.R270 == mode) {
  6.       iv = Views.rotate(img, 1, 0);
  7.     } else if (Mode.R180 == mode) {
  8.       iv = Views.rotate(Views.rotate(img, 0, 1), 0, 1);
  9.     } else {
  10.       throw new IllegalArgumentException("Invalid Mode: " + mode);
  11.     }
  12.     return Views.zeroMin(iv);
  13.   }
  14. }

代码示例来源：origin: net.preibisch/multiview-simulation

  1. public void run()
  2.   {
  3.     final long[] min1 = min.clone();
  4.     final long[] max1 = max.clone();
  5.     getInterval( min1, max1, 0 );
  6.     //System.out.println( new Date( System.currentTimeMillis() ) + ": extracting slices tile " + tile + " snr=" +snr );
  7.     split0 = SimulateMultiViewDataset.extractSlices(
  8.         Views.zeroMin( Views.interval( con, min1, max1 ) ),
  9.         lightsheetSpacing,
  10.         snr,
  11.         new Random( seed0 ) );
  12.   }
  13. } );

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. /**
  2.  * get the highest index in dimension dim where a hyperslice of img in that dimension contains nonzero values.
  3.  * NB: the result is in local image coordinates (i.e. we zero-min the input)
  4.  * @param img the input image
  5.  * @param dim the dimension along which to check
  6.  * @param <T> pixel type
  7.  * @return the highest index with nonzero pixels
  8.  */
  9. public static <T extends RealType< T >> long getMaxNonzero(RandomAccessibleInterval< T > img, int dim)
  10. {
  11.   final RandomAccessibleInterval< T > imgLocal = Views.isZeroMin( img ) ? img :Views.zeroMin( img );
  12.   long i = imgLocal.dimension( dim ) - 1;
  13.   for (; i >= 0; i--)
  14.   {
  15.     if (isNonezero( Views.hyperSlice( imgLocal, dim, i ) ))
  16.       return i;
  17.   }
  18.   return 0l;
  19. }

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. @Override
  2. public boolean runInitialization(
  3.     final Img< FloatType > psi,
  4.     final List< DeconView > views,
  5.     final ExecutorService service )
  6. {
  7.   for ( int d = 0; d < psi.numDimensions(); ++d )
  8.     if ( input.dimension( d ) != psi.dimension( d ) )
  9.     {
  10.       IOFunctions.println( "Image dimensions do not match: " + Util.printInterval( input ) + " != " + Util.printInterval( psi ) );
  11.       return false;
  12.     }
  13.   FusionTools.copyImg( Views.zeroMin( input ), Views.zeroMin( psi ), service );
  14.   IOFunctions.println( "RandomAccessibleInterval copied onto PSI for init, now approx computing of avg & max." );
  15.   return init2.runInitialization( psi, views, service );
  16. }

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. @Override
  2. public boolean runInitialization(
  3.     final Img< FloatType > psi,
  4.     final List< DeconView > views,
  5.     final ExecutorService service )
  6. {
  7.   try
  8.   {
  9.     final Img< FloatType > input = IOFunctions.openAs32Bit( psiStartFile, new CellImgFactory<>() );
  10.     for ( int d = 0; d < psi.numDimensions(); ++d )
  11.       if ( input.dimension( d ) != psi.dimension( d ) )
  12.       {
  13.         IOFunctions.println( "Image dimensions do not match: " + Util.printInterval( input ) + " != " + Util.printInterval( psi ) );
  14.         return false;
  15.       }
  16.     FusionTools.copyImg( Views.zeroMin( input ), Views.zeroMin( psi ), service );
  17.     IOFunctions.println( "File: " + psiStartFile.getAbsolutePath() + " copied onto PSI for init, now approx computing of avg & max." );
  18.     return init2.runInitialization( psi, views, service );
  19.   } 
  20.   catch ( RuntimeException e )
  21.   {
  22.     IOFunctions.println( "Cannot load init file: " + psiStartFile.getAbsolutePath() + ": " + e );
  23.     return false;
  24.   }
  25. }

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. public static < T extends Type< T > > Img< T > copyImgNoTranslation(
  2.     final RandomAccessibleInterval< T > input,
  3.     final ImgFactory< T > factory,
  4.     final T type,
  5.     final ExecutorService service,
  6.     final boolean showProgress  )
  7. {
  8.   final RandomAccessibleInterval< T > in;
  9.   if ( Views.isZeroMin( input ) )
  10.     in = input;
  11.   else
  12.     in = Views.zeroMin( input );
  13.   final long[] dim = new long[ in.numDimensions() ];
  14.   in.dimensions( dim );
  15.   final Img< T > tImg = factory.create( dim, type );
  16.   // copy the virtual construct into an actual image
  17.   copyImg( in, tImg, service, showProgress );
  18.   return tImg;
  19. }

代码示例来源：origin: net.imglib2/imglib2-ij

  1. public void setMinMax ( final RandomAccessibleInterval< S > source, final Converter< S, FloatType > converter )
  2.   {
  3.     final RandomAccessibleIntervalCursor< S > cursor = new RandomAccessibleIntervalCursor< S >( Views.isZeroMin( source ) ? source : Views.zeroMin( source ) );
  4.     final FloatType t = new FloatType();
  6.     if ( cursor.hasNext() )
  7.     {
  8.       converter.convert( cursor.next(), t );
  10.       float min = t.get();
  11.       float max = min;
  13.       while ( cursor.hasNext() )
  14.       {
  15.         converter.convert( cursor.next(), t );
  16.         final float value = t.get();
  18.         if ( value < min )
  19.           min = value;
  21.         if ( value > max )
  22.           max = value;
  23.       }
  25.       System.out.println("fmax = " + max );
  26.       System.out.println("fmin = " + min );
  27.       imageProcessor.setMinAndMax( min, max );
  28.     }
  29.   }
  30. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * Add 0s before axis minimum.
  3.  * 
  4.  * @param input Input RAI
  5.  * @return An extended and cropped version of input
  6.  */
  7. private <T extends RealType<T>> RandomAccessibleInterval<T> addLeadingZeros(
  8.   RandomAccessibleInterval<T> input)
  9. {
  10.   final long[] min = Intervals.minAsLongArray(input);
  11.   final long[] max = Intervals.maxAsLongArray(input);
  12.   for (int i = 0; i < max.length; i++) {
  13.     min[i]--;
  14.   }
  15.   final T realZero = Util.getTypeFromInterval(input).copy();
  16.   realZero.setZero();
  17.   final ExtendedRandomAccessibleInterval<T, RandomAccessibleInterval<T>> extendedImg = Views.extendValue(input,
  18.     realZero);
  19.   final IntervalView<T> offsetInterval = Views.interval(extendedImg,
  20.     min, max);
  21.   
  22.   return Views.zeroMin(offsetInterval);
  23. }

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. in = input;
  2. else
  3.   in = Views.zeroMin( input );

代码示例来源：origin: net.imglib2/imglib2-script

  1. /** Copy img into iimg, offset by 1 in every dimension. */
  2. static private final <R extends NumericType<R>, T extends NumericType<T>> void transferN(
  3.     final Img<R> img,
  4.     final Img<T> iimg,
  5.     final Converter<R, T> converter)
  6. {
  7.   // Copy img to iimg, with an offset of 1 in every dimension
  8.   final long[] min = new long[img.numDimensions()];
  9.   final long[] max = new long[min.length];
  10.   for (int i=0; i<min.length; ++i) {
  11.     min[i] = 1;
  12.     max[i] = img.dimension(i);
  13.   }
  14.   final Cursor<R> c1 = img.cursor();
  15.   final RandomAccess<T> r = Views.zeroMin(Views.interval(iimg, min, max)).randomAccess();
  16.   while (c1.hasNext()) {
  17.     c1.fwd();
  18.     r.setPosition(c1);
  19.     converter.convert(c1.get(), r.get());
  20.   }
  21. }

代码示例来源：origin: net.preibisch/multiview-reconstruction

  1. final Cursor< T > psfCursor = Views.iterable( Views.zeroMin( psf ) ).localizingCursor();

代码示例来源：origin: imagej/imagej-ops

  1. @Test
  2.   public void defaultZeroMinTest() {
  3.     Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 }, new DoubleType());
  5.     IntervalView<DoubleType> imgTranslated = Views.interval(
  6.         Views.translate((RandomAccessible<DoubleType>) img, 2, 5), new long[] { 2, 5 }, new long[] { 12, 15 });
  8.     IntervalView<DoubleType> il2 = Views.zeroMin(imgTranslated);
  9.     IntervalView<DoubleType> opr = ops.transform().zeroMinView(imgTranslated);
  11.     assertTrue(Views.isZeroMin(il2) == Views.isZeroMin(opr));
  12.   }
  13. }

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