Description This function will filter the image by the adaptive MMSE filter method. This function works for only monochrome, 8 bit per pixel and 24 bit per pixel images. The minimum mean-square error filter makes use of the knowledge of the local variance to determine if a mean filter is to be applied to the local region of an image. This filter works best for additive type short tail noise.
Examples
Syntax RetVal = [BiFilter.]FilterAdaptiveMMSE hDib N NVAR iShowProgress hWnd
Returns RetVal Long The handle of new filtered DIB, 0 if an error occurred, or –1 if the BIFilter.dll does not installed.
Remarks hDIB Long Handle of the image to filter.
N short This parameter specifies the size of the matrix used by the filter. See the description and examples above for further information and a possible value.
NVAR short This parameter specifies the variation of the noise corrupts the image. See the description and examples above for further information and a possible value.
iShowProgress short This parameter specifies the displaying of the progressbar and the preview dialog.
Available values:
DISPLAY_NONE (0) – The progressbar and the preview dialog will not display before filtering.
DISPLAY_PROGRESS (1) – The progressbar will display during filtering procedure.
DISPLAY_DIALOG (2) – The preview dialog will display before filtering. This dialog shows the part of the image before and after filtering.
DISPLAY_BOTH (3) – The progressbar and the preview dialog will display.
IMPORTANT: The preview dialog will only display, if there is BIDlgs32.dll installed.
hWnd Long Handler of the parent window.
See Also