net.imglib2.img.Img.firstElement()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中net.imglib2.img.Img.firstElement()方法的一些代码示例，展示了Img.firstElement()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。Img.firstElement()方法的具体详情如下：
包路径：net.imglib2.img.Img
类名称：Img
方法名：firstElement

Img.firstElement介绍

暂无

代码示例

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

  1. /**
  2.  * TODO
  3.  * 
  4.  * @param img The {@link Img} to transform.
  5.  * @param matrix The values of the transformation matrix, ordered as explained above.
  6.  * @param mode Either LINEAR or NEAREST_NEIGHBOR.
  7.  */
  8. public Affine3D(final Img<T> img, final float[] matrix, final Mode mode) throws Exception {
  9.   this(img, matrix, mode, new OutOfBoundsConstantValueFactory<T,Img<T>>(img.firstElement().createVariable())); // default value is zero
  10. }

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

  1. @SuppressWarnings({ "rawtypes", "unchecked" })
  2. private static final NumericType<?> withValue(final Img<? extends NumericType<?>> img, final NumericType<?> type, final Number val) {
  3.   final NumericType t = img.firstElement().createVariable();
  4.   if (ARGBType.class.isAssignableFrom(t.getClass())) {
  5.     int i = val.intValue();
  6.     t.set(new ARGBType(i));
  7.   } else {
  8.     ((RealType)t).setReal(val.doubleValue());
  9.   }
  10.   return t;
  11. }

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

  1. /**
  2.  * Computes a Gaussian convolution with any precision on an entire {@link Img} using the {@link OutOfBoundsMirrorFactory} with single boundary
  3.  * 
  4.  * @param sigma - the sigma for the convolution
  5.  * @param input - the input {@link Img}
  6.  */
  7. public GaussNativeType( final double[] sigma, final Img<T> input, final OutOfBoundsFactory< T, Img<T> > outOfBounds )
  8. {
  9.   this( sigma, Views.extend( input, outOfBounds ), input, input.factory(), input.firstElement().createVariable() );
  10. }

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

  1. @Override
  2.   public Labeling< LL > create( final long[] dim )
  3.   {
  4.     return new NativeImgLabeling< LL, I >( img.factory().create( dim, img.firstElement().createVariable() ) );
  5.   }
  6. };

代码示例来源：origin: imglib/imglib2

  1. private void assertIncreasing( List< Img< IntType > > images )
  2. {
  3.   for ( int i = 0; i < images.size(); i++ )
  4.   {
  5.     Img< IntType > image = images.get( i );
  6.     assertEquals( i, image.firstElement().get() );
  7.   }
  8. }

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

  1. protected < T extends BooleanType< T > > Img< T > calculate( final Img< T > source )
  2. {
  3.   final Img< T > target = source.factory().create( source );
  4.   final T extendedVal = source.firstElement().createVariable();
  5.   extendedVal.set( getExtendedValue() );
  6.   final ExtendedRandomAccessibleInterval< T, Img< T > > extended = Views.extendValue( source, extendedVal );
  7.   calculate( extended, target );
  8.   return target;
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. @BeforeClass
  2. public static void createImg() {
  3.   Img<UnsignedByteType> tmp =
  4.     ArrayImgs.unsignedBytes(new long[] { 100, 100 });
  5.   Random rand = new Random(1234567890L);
  6.   final Cursor<UnsignedByteType> cursor = tmp.cursor();
  7.   while (cursor.hasNext()) {
  8.     cursor.next().set(rand.nextInt((int) tmp.firstElement().getMaxValue()));
  9.   }
  10.   img = tmp;
  11. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalMaxEntropyThreshold
  3.  */
  4. @Test
  5. public void testLocalMaxEntropyThreshold() {
  6.   ops.run(MaxEntropy.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalMedianThreshold
  3.  */
  4. @Test
  5. public void testLocalMedianThreshold() {
  6.   ops.run(LocalMedianThreshold.class, out, in, new RectangleShape(3, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE),
  8.     0.0);
  9.   assertEquals(true, out.firstElement().get());
  10. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalMinErrorThreshold
  3.  */
  4. @Test
  5. public void testLocalMinErrorThreshold() {
  6.   ops.run(MinError.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(true, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalNiblackThreshold
  3.  */
  4. @Test
  5. public void testLocalNiblackThreshold() {
  6.   ops.run(LocalNiblackThreshold.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE),
  8.     0.2, 0.0);
  9.   assertEquals(true, out.firstElement().get());
  10. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalRenyiEntropyThreshold
  3.  */
  4. @Test
  5. public void testLocalRenyiEntropyThreshold() {
  6.   ops.run(RenyiEntropy.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalShanbhagThreshold
  3.  */
  4. @Test
  5. public void testLocalShanbhagThreshold() {
  6.   ops.run(Shanbhag.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalYenThreshold
  3.  */
  4. @Test
  5. public void testLocalYenThreshold() {
  6.   ops.run(Yen.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. @Test
  2. public void copyTypeTest() {
  3.   Img<FloatType> inputFloat = new ArrayImgFactory<FloatType>().create(
  4.       new int[] { 120, 100 }, new FloatType());
  5.   @SuppressWarnings("unchecked")
  6.   Img<FloatType> output = (Img<FloatType>) ops
  7.       .run(CopyII.class, inputFloat);
  8.   
  9.   assertTrue("Should be FloatType.", output.firstElement() instanceof FloatType);
  10. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalHuangThreshold
  3.  */
  4. @Test
  5. public void testLocalHuangThreshold() {
  6.   ops.run(Huang.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(true, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalPercentileThreshold
  3.  */
  4. @Test
  5. public void testLocalPercentileThreshold() {
  6.   ops.run(Percentile.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. /**
  2.  * @see LocalRosinThreshold
  3.  */
  4. @Test
  5. public void testLocalRosinThreshold() {
  6.   ops.run(Rosin.class, out, in, new RectangleShape(1, false),
  7.     new OutOfBoundsMirrorFactory<ByteType, Img<ByteType>>(Boundary.SINGLE));
  8.   assertEquals(false, out.firstElement().get());
  9. }

代码示例来源：origin: imagej/imagej-ops

  1. @Test
  2.   public void copyArrayImgWithOutputTest() {
  3.     final Img<UnsignedByteType> output = input.factory().create(input,
  4.         input.firstElement());
  6.     ops.run(CopyArrayImg.class, output, input);
  8.     final Cursor<UnsignedByteType> inc = input.cursor();
  9.     final Cursor<UnsignedByteType> outc = output.cursor();
  11.     while (inc.hasNext()) {
  12.       assertTrue(outc.next().equals(inc.next()));
  13.     }
  14.   }
  15. }

代码示例来源：origin: imagej/imagej-ops

  1. @Test
  2. public void copyRAIWithOutputTest() {
  3.   final Img<UnsignedByteType> output = input.factory().create(input, input
  4.     .firstElement());
  5.   ops.run(CopyRAI.class, output, input);
  6.   final Cursor<UnsignedByteType> inc = input.cursor();
  7.   final Cursor<UnsignedByteType> outc = output.cursor();
  8.   while (inc.hasNext()) {
  9.     assertEquals(inc.next().get(), outc.next().get());
  10.   }
  11. }

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