ClassesClassesClassesClasses | | | | Operators

invert_imageinvert_imageInvertImageinvert_imageInvertImageInvertImage (Operator)

Name

invert_imageinvert_imageInvertImageinvert_imageInvertImageInvertImage — Invert an image.

Signature

invert_image(Image : ImageInvert : : )

Herror invert_image(const Hobject Image, Hobject* ImageInvert)

Herror T_invert_image(const Hobject Image, Hobject* ImageInvert)

Herror invert_image(Hobject Image, Hobject* ImageInvert)

HImage HImage::InvertImage() const

HImageArray HImageArray::InvertImage() const

void InvertImage(const HObject& Image, HObject* ImageInvert)

HImage HImage::InvertImage() const

void HOperatorSetX.InvertImage(
[in] IHUntypedObjectX* Image, [out] IHUntypedObjectX*ImageInvert)

IHImageX* HImageX.InvertImage()

static void HOperatorSet.InvertImage(HObject image, out HObject imageInvert)

HImage HImage.InvertImage()

Description

The operator invert_imageinvert_imageInvertImageinvert_imageInvertImageInvertImage inverts the gray values of an image. For images of the 'byte' and 'cyclic' type the result is calculated as:

     g' = 255 - g
Images of the 'direction' type are transformed by
     g' = (g + 90) modulo 180
In the case of signed types the values are negated. The resulting image has the same pixel type as the input image.

Several images can be processed in one call. An output image is generated for every input image.

invert_imageinvert_imageInvertImageinvert_imageInvertImageInvertImage can be executed on an OpenCL device for byte, direction, cyclic, int1, int2, uint2, int4, and real images.

Parallelization

Parameters

ImageImageImageImageImageimage (input_object)  (multichannel-)image(-array) objectHImageHImageHImageHImageXHobject (byte* / direction* / cyclic* / int1* / int2* / uint2* / int4* / int8 / real*) *allowed for compute devices

Input image(s).

ImageInvertImageInvertImageInvertImageInvertImageInvertimageInvert (output_object)  (multichannel-)image(-array) objectHImageHImageHImageHImageXHobject * (byte / direction / cyclic / int1 / int2 / uint2 / int4 / int8 / real)

Image(s) with inverted gray values.

Example (HDevelop)

read_image(Orig,'fabrik')
invert_image(Orig,Invert)
dev_display(Invert)

Example (C)

read_image(&Orig,"fabrik");
invert_image(Orig,&Invert);
disp_image(Invert,WindowHandle);

Example (HDevelop)

read_image(Orig,'fabrik')
invert_image(Orig,Invert)
dev_display(Invert)

Example (C++ (HALCON 5.0-10.0))

#include "HalconCpp.h"
using namespace Halcon;
#include "HIOStream.h"
#if !defined(USE_IOSTREAM_H)
using namespace std;
#endif

int main()
{
  HWindow  win;
  HImage   inv,
           org ("monkey");

   cout << "Display original image" << endl;
   org.Display (win);
   win.Click ();

   inv = org.InvertImage ();

   cout << "Display inverted image" << endl;
   inv.Display (win);
   win.Click ();

   return 0;
}

Example (HDevelop)

read_image(Orig,'fabrik')
invert_image(Orig,Invert)
dev_display(Invert)

Example (HDevelop)

read_image(Orig,'fabrik')
invert_image(Orig,Invert)
dev_display(Invert)

Possible Successors

watershedswatershedsWatershedswatershedsWatershedsWatersheds

Alternatives

scale_imagescale_imageScaleImagescale_imageScaleImageScaleImage

See also

scale_imagescale_imageScaleImagescale_imageScaleImageScaleImage, add_imageadd_imageAddImageadd_imageAddImageAddImage, sub_imagesub_imageSubImagesub_imageSubImageSubImage

Module

Foundation


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