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

Views.collapseReal介绍

[英]Collapse the nth dimension of an n -dimensional RandomAccessible<T extends RealType<T>> into an (n-1)-dimensional RandomAccessible< RealComposite<T>>
[中]将n维RandomAccessible<T扩展RealType<T>>的nth维折叠为（n-1）维RandomAccessible<RealComposite<T>>

代码示例

代码示例来源：origin: imagej/imagej-ops

  1. @Override
  2. public CompositeView<T, RealComposite<T>> calculate(RandomAccessible<T> input) {
  3.   return Views.collapseReal(input, numChannels);
  4. }

代码示例来源：origin: imagej/imagej-ops

  1. @Override
  2. public CompositeIntervalView<T, RealComposite<T>> calculate(RandomAccessibleInterval<T> input) {
  3.   return Views.collapseReal(input);
  4. }

代码示例来源：origin: imagej/imagej-ops

  1. @Override
  2.   public CompositeIntervalView<T, RealComposite<T>> calculate(RandomAccessibleInterval<T> input) {
  3.     List<RandomAccessibleInterval<T>> derivatives = new ArrayList<>();
  4.     for (int i = 0; i < derivativeFunctions.length; i++) {
  5.       RandomAccessibleInterval<T> derivative = derivativeFunctions[i].calculate(input);
  6.       derivatives.add(derivative);
  7.     }
  9.     RandomAccessibleInterval<T> stacked = Views.stack(derivatives);
  10.     return Views.collapseReal(stacked);
  11.   }
  12. }

代码示例来源：origin: imglib/imglib2

  1. /**
  2.  * Compose a list of same {@link Interval} and same {@link RealType} A
  3.  * {@link RandomAccessibleInterval RandomAccessibleIntervals} into a
  4.  * {@link RandomAccessibleInterval} of some target {@link Type} B using a
  5.  * {@link Converter} from {@link Composite} of A to B.
  6.  *
  7.  * @param components
  8.  * @param composer
  9.  * @param targetType
  10.  * @return
  11.  */
  12. final static public < A extends RealType< A >, B extends Type< B > > RandomAccessibleInterval< B > composeReal(
  13.     final List< RandomAccessibleInterval< A > > components,
  14.     final Converter< RealComposite< A >, B > composer,
  15.     final B targetType )
  16. {
  17.   return convert(
  18.       Views.collapseReal( Views.stack( components ) ),
  19.       composer,
  20.       targetType );
  21. }

代码示例来源：origin: net.imglib2/imglib2

  1. /**
  2.  * Compose a list of same {@link Interval} and same {@link RealType} A
  3.  * {@link RandomAccessibleInterval RandomAccessibleIntervals} into a
  4.  * {@link RandomAccessibleInterval} of some target {@link Type} B using a
  5.  * {@link Converter} from {@link Composite} of A to B.
  6.  *
  7.  * @param components
  8.  * @param composer
  9.  * @param targetType
  10.  * @return
  11.  */
  12. final static public < A extends RealType< A >, B extends Type< B > > RandomAccessibleInterval< B > composeReal(
  13.     final List< RandomAccessibleInterval< A > > components,
  14.     final Converter< RealComposite< A >, B > composer,
  15.     final B targetType )
  16. {
  17.   return convert(
  18.       Views.collapseReal( Views.stack( components ) ),
  19.       composer,
  20.       targetType );
  21. }

代码示例来源：origin: imagej/imagej-ops

  1. @Override
  2. public CompositeIntervalView<T, RealComposite<T>> calculate(RandomAccessibleInterval<T> input) {
  3.   List<RandomAccessibleInterval<T>> derivatives = new ArrayList<>();
  4.   for (int i = 0; i < derivativeComputers.length; i++) {
  5.     RandomAccessibleInterval<T> derivative = createRAI.calculate(input);
  6.     derivativeComputers[i].compute(input, derivative);
  7.     for (int j = 0; j < derivativeComputers.length; j++) {
  8.       RandomAccessibleInterval<T> out = createRAI.calculate(input);
  9.       derivativeComputers[j].compute(derivative, out);
  10.       derivatives.add(out);
  11.     }
  12.   }
  13.   RandomAccessibleInterval<T> stackedDerivatives = Views.stack(derivatives);
  14.   return Views.collapseReal(stackedDerivatives);
  15. }

代码示例来源：origin: sc.fiji/TrakEM2_

  1. public LinearIntensityMap( final RandomAccessibleInterval< T > source, final InterpolatorFactory< RealComposite< T >, RandomAccessible< RealComposite< T > > > interpolatorFactory )
  2. {
  3.   this.interpolatorFactory = interpolatorFactory;
  4.   final CompositeIntervalView< T, RealComposite< T > > collapsedSource = Views.collapseReal( source );
  5.   dimensions = new FinalInterval( collapsedSource );
  6.   final double[] shift = new double[ dimensions.numDimensions() ];
  7.   for ( int d = 0; d < shift.length; ++d )
  8.     shift[ d ] = 0.5;
  9.   translation = new Translation( shift );
  10.   final RandomAccessible< RealComposite< T > > extendedCollapsedSource = Views.extendBorder( collapsedSource );
  11.   coefficients = Views.interpolate( extendedCollapsedSource, interpolatorFactory );
  12. }

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

  1. private static < T extends RealType< T >, U extends RealType< U > > void transformAlongDimension(
  2.     final RandomAccessible< T > source,
  3.     final RandomAccessibleInterval< U > target,
  4.     final Distance d,
  5.     final int dim )
  6. {
  7.   final int lastDim = target.numDimensions() - 1;
  8.   final long size = target.dimension( dim );
  9.   final RealComposite< DoubleType > tmp = Views.collapseReal( createAppropriateOneDimensionalImage( size, new DoubleType() ) ).randomAccess().get();
  10.   // do not permute if we already work on last dimension
  11.   final Cursor< RealComposite< T > > s = Views.flatIterable( Views.collapseReal( dim == lastDim ? Views.interval( source, target ) : Views.permute( Views.interval( source, target ), dim, lastDim ) ) ).cursor();
  12.   final Cursor< RealComposite< U > > t = Views.flatIterable( Views.collapseReal( dim == lastDim ? target : Views.permute( target, dim, lastDim ) ) ).cursor();
  13.   final RealComposite< LongType > lowerBoundDistanceIndex = Views.collapseReal( createAppropriateOneDimensionalImage( size, new LongType() ) ).randomAccess().get();
  14.   final RealComposite< DoubleType > envelopeIntersectLocation = Views.collapseReal( createAppropriateOneDimensionalImage( size + 1, new DoubleType() ) ).randomAccess().get();
  15.   while ( s.hasNext() )
  16.   {
  17.     final RealComposite< T > sourceComp = s.next();
  18.     final RealComposite< U > targetComp = t.next();
  19.     for ( long i = 0; i < size; ++i )
  20.     {
  21.       tmp.get( i ).set( sourceComp.get( i ).getRealDouble() );
  22.     }
  23.     transformSingleColumn( tmp, targetComp, lowerBoundDistanceIndex, envelopeIntersectLocation, d, dim, size );
  24.   }
  25. }

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

  1. private static < T extends RealType< T >, U extends ComplexType< U > > RandomAccessibleInterval< U > calculateEigenValuesImpl(
  2.     final RandomAccessibleInterval< T > tensor,
  3.     final RandomAccessibleInterval< U > eigenvalues,
  4.     final EigenValues< T, U > ev )
  5. {
  6.   final Cursor< RealComposite< T > > m = Views.iterable( Views.collapseReal( tensor ) ).cursor();
  7.   final Cursor< NumericComposite< U > > e = Views.iterable( Views.collapseNumeric( eigenvalues ) ).cursor();
  8.   while ( m.hasNext() )
  9.     ev.compute( m.next(), e.next() );
  10.   return eigenvalues;
  11. }

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

  1. private static < T extends RealType< T >, U extends RealType< U > > void transformL1AlongDimension(
  2.     final RandomAccessible< T > source,
  3.     final RandomAccessibleInterval< U > target,
  4.     final int dim,
  5.     final double weight )
  6. {
  7.   final int lastDim = target.numDimensions() - 1;
  8.   final long size = target.dimension( dim );
  9.   final RealComposite< DoubleType > tmp = Views.collapseReal( createAppropriateOneDimensionalImage( size, new DoubleType() ) ).randomAccess().get();
  10.   // do not permute if we already work on last dimension
  11.   final Cursor< RealComposite< T > > s = Views.flatIterable( Views.collapseReal( dim == lastDim ? Views.interval( source, target ) : Views.permute( Views.interval( source, target ), dim, lastDim ) ) ).cursor();
  12.   final Cursor< RealComposite< U > > t = Views.flatIterable( Views.collapseReal( dim == lastDim ? target : Views.permute( target, dim, lastDim ) ) ).cursor();
  13.   while ( s.hasNext() )
  14.   {
  15.     final RealComposite< T > sourceComp = s.next();
  16.     final RealComposite< U > targetComp = t.next();
  17.     for ( long i = 0; i < size; ++i )
  18.     {
  19.       tmp.get( i ).set( sourceComp.get( i ).getRealDouble() );
  20.     }
  21.     transformL1SingleColumn( tmp, targetComp, weight, size );
  22.   }
  23. }

代码示例来源：origin: imagej/imagej-ops

  1. @Test
  2. public void defaultCollapseRealTest() {
  3.   Img<DoubleType> img = new ArrayImgFactory<DoubleType>().create(new int[] { 10, 10 },
  4.       new DoubleType());
  5.   CompositeIntervalView<DoubleType, RealComposite<DoubleType>> il2 = Views
  6.       .collapseReal((RandomAccessibleInterval<DoubleType>) img);
  7.   CompositeIntervalView<DoubleType, RealComposite<DoubleType>> opr = ops.transform()
  8.       .collapseRealView((RandomAccessibleInterval<DoubleType>) img);
  9.   assertEquals(il2.numDimensions(), opr.numDimensions());
  10.   CompositeView<DoubleType, RealComposite<DoubleType>> il2_2 = Views
  11.       .collapseReal((RandomAccessible<DoubleType>) img, 1);
  12.   CompositeView<DoubleType, RealComposite<DoubleType>> opr_2 = ops.transform()
  13.       .collapseRealView((RandomAccessible<DoubleType>) img, 1);
  14.   assertEquals(il2_2.numDimensions(), opr_2.numDimensions());
  15. }

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