lowlands_centerlowlands_centerLowlandsCenterLowlandsCenterlowlands_center (Operator)
Name
lowlands_centerlowlands_centerLowlandsCenterLowlandsCenterlowlands_center — Detektieren der Schwerpunkte aller Grauwert-Tiefebenen.
Signatur
def lowlands_center(image: HObject) -> HObject
Beschreibung
lowlands_centerlowlands_centerLowlandsCenterLowlandsCenterLowlandsCenterlowlands_center wählt alle Punkte aus ImageImageImageImageimageimage aus, deren
Grauwert nicht größer als der Grauwert ihrer Nachbarn (8-er
Nachbarschaft) ist, und gibt sie in LowlandsLowlandsLowlandsLowlandslowlandslowlands zurück. Wenn mehrere
solcher Punkte zusammenhängen (Tiefebene), wird der Schwerpunkt verwendet.
Jede Tiefebene ergibt eine eigene Region.
Ausführungsinformationen
- Multithreading-Typ: reentrant (läuft parallel zu nicht-exklusiven Operatoren).
- Multithreading-Bereich: global (kann von jedem Thread aufgerufen werden).
- Automatisch parallelisiert auf Tupelebene.
Parameter
ImageImageImageImageimageimage (input_object) singlechannelimage(-array) → objectHImageHObjectHImageHobject (byte / direction / cyclic / int1 / int2 / uint2 / int4 / int8 / real)
Zu verarbeitendes Bild.
LowlandsLowlandsLowlandsLowlandslowlandslowlands (output_object) region-array → objectHRegionHObjectHRegionHobject *
Schwerpunkte der gefundenen Tiefebenen als Regionen
(für jede Tiefebene eine Region).
Beispiel (C++ (HALCON 5.0-10.0))
#include "HIOStream.h"
#if !defined(USE_IOSTREAM_H)
using namespace std;
#endif
#include "HalconCpp.h"
using namespace Halcon;
int main (int argc, char *argv[])
{
if (argc != 2)
{
cout << "Usage : " << argv[0] << " <name of image>" << endl;
return (-1);
}
HImage image (argv[1]);
HWindow win;
image.Display (win);
HImage cres = image.CornerResponse (5, 0.04);
HRegionArray mins = cres.LowlandsCenter ();
win.SetColored (12);
mins.Display (win);
win.Click ();
return (0);
}
Beispiel (C)
read_image(&Image,"fabrik");
corner_responce(Image,&CornerResp,5,0.04);
lowlands_center(CornerResp,&Minima);
set_colored(WindowHandle,12);
disp_region(Minima,WindowHandle);
T_area_center(Minima,NULL,&Row,&Col);
Beispiel (C++ (HALCON 5.0-10.0))
#include "HIOStream.h"
#if !defined(USE_IOSTREAM_H)
using namespace std;
#endif
#include "HalconCpp.h"
using namespace Halcon;
int main (int argc, char *argv[])
{
if (argc != 2)
{
cout << "Usage : " << argv[0] << " <name of image>" << endl;
return (-1);
}
HImage image (argv[1]);
HWindow win;
image.Display (win);
HImage cres = image.CornerResponse (5, 0.04);
HRegionArray mins = cres.LowlandsCenter ();
win.SetColored (12);
mins.Display (win);
win.Click ();
return (0);
}
Beispiel (C++ (HALCON 5.0-10.0))
#include "HIOStream.h"
#if !defined(USE_IOSTREAM_H)
using namespace std;
#endif
#include "HalconCpp.h"
using namespace Halcon;
int main (int argc, char *argv[])
{
if (argc != 2)
{
cout << "Usage : " << argv[0] << " <name of image>" << endl;
return (-1);
}
HImage image (argv[1]);
HWindow win;
image.Display (win);
HImage cres = image.CornerResponse (5, 0.04);
HRegionArray mins = cres.LowlandsCenter ();
win.SetColored (12);
mins.Display (win);
win.Click ();
return (0);
}
Beispiel (C++ (HALCON 5.0-10.0))
#include "HIOStream.h"
#if !defined(USE_IOSTREAM_H)
using namespace std;
#endif
#include "HalconCpp.h"
using namespace Halcon;
int main (int argc, char *argv[])
{
if (argc != 2)
{
cout << "Usage : " << argv[0] << " <name of image>" << endl;
return (-1);
}
HImage image (argv[1]);
HWindow win;
image.Display (win);
HImage cres = image.CornerResponse (5, 0.04);
HRegionArray mins = cres.LowlandsCenter ();
win.SetColored (12);
mins.Display (win);
win.Click ();
return (0);
}
Vorgänger
binomial_filterbinomial_filterBinomialFilterBinomialFilterBinomialFilterbinomial_filter,
gauss_filtergauss_filterGaussFilterGaussFilterGaussFiltergauss_filter,
smooth_imagesmooth_imageSmoothImageSmoothImageSmoothImagesmooth_image
Nachfolger
area_centerarea_centerAreaCenterAreaCenterAreaCenterarea_center,
get_region_pointsget_region_pointsGetRegionPointsGetRegionPointsGetRegionPointsget_region_points,
select_shapeselect_shapeSelectShapeSelectShapeSelectShapeselect_shape
Alternativen
lowlandslowlandsLowlandsLowlandsLowlandslowlands,
gray_skeletongray_skeletonGraySkeletonGraySkeletonGraySkeletongray_skeleton,
local_minlocal_minLocalMinLocalMinLocalMinlocal_min
Siehe auch
monotonymonotonyMonotonyMonotonyMonotonymonotony,
topographic_sketchtopographic_sketchTopographicSketchTopographicSketchTopographicSketchtopographic_sketch,
corner_responsecorner_responseCornerResponseCornerResponseCornerResponsecorner_response,
texture_lawstexture_lawsTextureLawsTextureLawsTextureLawstexture_laws
Modul
Foundation