org.tensorflow.op.signal

Class Rfft3d

java.lang.Object

org.tensorflow.op.PrimitiveOp

org.tensorflow.op.signal.Rfft3d

All Implemented Interfaces:

Op, Operand<Object>

@Operator(group="signal")
public final class Rfft3d
extends PrimitiveOp
implements Operand<Object>

3D real-valued fast Fourier transform.

Computes the 3-dimensional discrete Fourier transform of a real-valued signal over the inner-most 3 dimensions of `input`.

Since the DFT of a real signal is Hermitian-symmetric, `signal.Rfft3d` only returns the `fft_length / 2 + 1` unique components of the FFT for the inner-most dimension of `output`: the zero-frequency term, followed by the `fft_length / 2` positive-frequency terms.

Along each axis `signal.Rfft3d` is computed on, if `fft_length` is smaller than the corresponding dimension of `input`, the dimension is cropped. If it is larger, the dimension is padded with zeros.

Field Summary

Fields inherited from class org.tensorflow.op.PrimitiveOp

operation

Method Summary

Modifier and Type	Method and Description
Output<Object>	asOutput() Returns the symbolic handle of a tensor.
static Rfft3d	create(Scope scope, Operand<Float> input, Operand<Integer> fftLength) Factory method to create a class wrapping a new Rfft3d operation.
Output<?>	output() A complex64 tensor of the same rank as `input`.

Methods inherited from class org.tensorflow.op.PrimitiveOp

equals, hashCode, op, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static Rfft3d create(Scope scope,
                            Operand<Float> input,
                            Operand<Integer> fftLength)

Factory method to create a class wrapping a new Rfft3d operation.

Parameters:

scope - current scope

input - A float32 tensor.

fftLength - An int32 tensor of shape [3]. The FFT length for each dimension.

Returns:

a new instance of Rfft3d

output

public Output<?> output()

A complex64 tensor of the same rank as `input`. The inner-most 3 dimensions of `input` are replaced with the their 3D Fourier transform. The inner-most dimension contains `fft_length / 2 + 1` unique frequency components.

asOutput

public Output<Object> asOutput()

Description copied from interface: Operand

Returns the symbolic handle of a tensor.

Inputs to TensorFlow operations are outputs of another TensorFlow operation. This method is used to obtain a symbolic handle that represents the computation of the input.

Specified by:

asOutput in interface Operand<Object>

See Also:

OperationBuilder.addInput(Output)