MontiVision DirectShow SDK Documentation

BlobCount	Contour (Blob) count from the current image.
CounterXPos	X position for the counter output text.
CounterYPos	Y position for the counter output text.
DrawContour	Draws contours into the output image.
DrawCounter	Draws the current contour count into the output image.
EnableFilter	Enables the contour filter.
EnableHuFilter	Enables the hu invariants contour filter.
EnableSizeFilter	Enables the size contour filter.
MaxHeight	Maximal contour height.
MaxHuInvariants	Maximum contour hu invariants.
MaxWidth	Maximal contour width.
MinHeight	Minimal contour height.
MinHuInvariants	Minimum contour hu invariants.
MinWidth	Minimal contour width.
RetrievalMode	Sets the retrieval mode.

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;