IMVBlobCounter

This interface is exposed to allow programmatic control of the filter. Read the filter description to see how the filter is used.

Header file: IMVBlobCounter.h
Interface definition language file: IMVBlobCounter.idl
Typelib: MVBlobCounter
Interface ID: IID_IMVBlobCounter

Property IMVBlobCounter::BlobCount

Declaration: Property Get BlobCount As Long

Contour (Blob) count from the current image. This is a read only property.

Prototype:

HRESULT get_BlobCount(LONG* value);

Property IMVBlobCounter::CounterXPos

Declaration: Property Get/Put CounterXPos As Long

X position for the counter output text.

Prototype:

HRESULT put_CounterXPos(LONG value);
HRESULT get_CounterXPos(LONG* value);

Property IMVBlobCounter::CounterYPos

Declaration: Property Get/Put CounterYPos As Long

Y position for the counter output text.

Prototype:

HRESULT put_CounterYPos(LONG value);
HRESULT get_CounterYPos(LONG* value);

Property IMVBlobCounter::DrawContour

Declaration: Property Get/Put DrawContour As Long

Draws contours into the output image.

Prototype:

HRESULT put_DrawContour(LONG value);
HRESULT get_DrawContour(LONG* value);

Property IMVBlobCounter::DrawCounter

Declaration: Property Get/Put DrawCounter As Long

Draws the current contour count into the output image.

Prototype:

HRESULT put_DrawCounter(LONG value);
HRESULT get_DrawCounter(LONG* value);

Property IMVBlobCounter::EnableFilter

Declaration: Property Get/Put EnableFilter As Long

Enables the contour filter.

Prototype:

HRESULT put_EnableFilter(LONG value);
HRESULT get_EnableFilter(LONG* value);

Property IMVBlobCounter::EnableHuFilter

Declaration: Property Get/Put EnableHuFilter As Long

Enables the hu invariants contour filter.

Prototype:

HRESULT put_EnableHuFilter(LONG value);
HRESULT get_EnableHuFilter(LONG* value);

Property IMVBlobCounter::EnableSizeFilter

Declaration: Property Get/Put EnableSizeFilter As Long

Enables the size contour filter.

Prototype:

HRESULT put_EnableSizeFilter(LONG value);
HRESULT get_EnableSizeFilter(LONG* value);

Property IMVBlobCounter::MaxHeight

Declaration: Property Get/Put MaxHeight As Long

Maximal contour height.

Prototype:

HRESULT put_MaxHeight(LONG value);
HRESULT get_MaxHeight(LONG* value);

Property IMVBlobCounter::MaxHuInvariants

Declaration: Property Get/Put MaxHuInvariants As _MV_HU_MOMENTS

Maximum contour hu invariants.

Parameter:

-

-

Prototype:

HRESULT put_MaxHuInvariants(MV_HU_MOMENTS hu);
HRESULT get_MaxHuInvariants(MV_HU_MOMENTS* hu);

Property IMVBlobCounter::MaxWidth

Declaration: Property Get/Put MaxWidth As Long

Maximal contour width.

Prototype:

HRESULT put_MaxWidth(LONG value);
HRESULT get_MaxWidth(LONG* value);

Property IMVBlobCounter::MinHeight

Declaration: Property Get/Put MinHeight As Long

Minimal contour height.

Prototype:

HRESULT put_MinHeight(LONG value);
HRESULT get_MinHeight(LONG* value);

Property IMVBlobCounter::MinHuInvariants

Declaration: Property Get/Put MinHuInvariants As _MV_HU_MOMENTS

Minimum contour hu invariants.

Prototype:

HRESULT put_MinHuInvariants(MV_HU_MOMENTS hu);
HRESULT get_MinHuInvariants(MV_HU_MOMENTS* hu);

Property IMVBlobCounter::MinWidth

Declaration: Property Get/Put MinWidth As Long

Minimal contour width.

Prototype:

HRESULT put_MinWidth(LONG value);
HRESULT get_MinWidth(LONG* value);

Property IMVBlobCounter::RetrievalMode

Declaration: Property Get/Put RetrievalMode As Long

Sets the retrieval mode.

Prototype:

HRESULT put_RetrievalMode(LONG value);
HRESULT get_RetrievalMode(LONG* value);

 

Filter specific structures and enumerators

typedef struct _MV_HU_MOMENTS
{
    double hu1, hu2, hu3, hu4, hu5, hu6, hu7; /* hu invariants */
}MV_HU_MOMENTS;