ClassesClassesClassesClasses | | | | Operators

phase_degphase_degPhaseDegphase_degPhaseDegPhaseDeg (Operator)

Name

phase_degphase_degPhaseDegphase_degPhaseDegPhaseDeg — Return the phase of a complex image in degrees.

Signature

phase_deg(ImageComplex : ImagePhase : : )

Herror phase_deg(const Hobject ImageComplex, Hobject* ImagePhase)

Herror T_phase_deg(const Hobject ImageComplex, Hobject* ImagePhase)

Herror phase_deg(Hobject ImageComplex, Hobject* ImagePhase)

HImage HImage::PhaseDeg() const

HImageArray HImageArray::PhaseDeg() const

void PhaseDeg(const HObject& ImageComplex, HObject* ImagePhase)

HImage HImage::PhaseDeg() const

void HOperatorSetX.PhaseDeg(
[in] IHUntypedObjectX* ImageComplex, [out] IHUntypedObjectX*ImagePhase)

IHImageX* HImageX.PhaseDeg()

static void HOperatorSet.PhaseDeg(HObject imageComplex, out HObject imagePhase)

HImage HImage.PhaseDeg()

Description

phase_degphase_degPhaseDegphase_degPhaseDegPhaseDeg computes the phase of a complex image in degrees. The following formula is used:

  phase = atan2(imaginary part,real part) / PI * 90.

Hence, ImagePhaseImagePhaseImagePhaseImagePhaseImagePhaseimagePhase contains half the phase angle. For negative phase angles, 180 is added.

Parallelization

Parameters

ImageComplexImageComplexImageComplexImageComplexImageCompleximageComplex (input_object)  (multichannel-)image(-array) objectHImageHImageHImageHImageXHobject (complex)

Input image in frequency domain.

ImagePhaseImagePhaseImagePhaseImagePhaseImagePhaseimagePhase (output_object)  image(-array) objectHImageHImageHImageHImageXHobject * (direction)

Phase of the image in degrees.

Example (C)

read_image(&Image,"monkey");
disp_image(Image,WindowHandle);
fft_image(Image,&FFT);
phase_deg(FFT,&Phase);
disp_image(Phase,WindowHandle);

Result

phase_degphase_degPhaseDegphase_degPhaseDegPhaseDeg returns 2 (H_MSG_TRUE) if the image is of correct type. If the input is empty the behavior can be set via set_system(::'no_object_result',<Result>:)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>). If necessary, an exception is raised.

Possible Predecessors

fft_imagefft_imageFftImagefft_imageFftImageFftImage, fft_genericfft_genericFftGenericfft_genericFftGenericFftGeneric, rft_genericrft_genericRftGenericrft_genericRftGenericRftGeneric

Possible Successors

disp_imagedisp_imageDispImagedisp_imageDispImageDispImage

Alternatives

phase_radphase_radPhaseRadphase_radPhaseRadPhaseRad

See also

fft_image_invfft_image_invFftImageInvfft_image_invFftImageInvFftImageInv

Module

Foundation


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