TImageEnProc.Minimum

Declaration

procedure Minimum(WindowSize: Integer);

Description

Set each pixel in the image to the minimum value of all the current image pixel values in the neighborhood of size WindowSize.

The minimum filter is typically applied to an image to remove positive outlier noise.

Note:
◼ A UI for this is available to your users in the Image Processing dialog
◼ If the image PixelFormat is not ie24RGB or ie1g, it will be converted

Demo

Demos\ImageEditing\EveryMethod\EveryMethod.dpr

Method Comparison

ImageEnView1.IO.LoadFromFile( 'D:\TestImage.jpg' );

// Perform a dilation followed by an erosion
ImageEnView1.Proc.Closing( 1 );

// Perform an erosion followed by a dilation
ImageEnView1.Proc.Opening( 1 );

// Set each pixel to the minimum value of all pixel values in the neighborhood
ImageEnView1.Proc.Minimum( 1 );

// Set each pixel to the maximum value of all pixel values in the neighborhood
ImageEnView1.Proc.Maximum( 1 );

// Perform IEVision Dilation (Rectangle)
ImageEnView1.IEBitmap.GetIEVisionImage().dilate( ievMORPH_RECT, 4 );
ImageEnView1.Update();

// Perform IEVision Dilation (Cross)
ImageEnView1.IEBitmap.GetIEVisionImage().dilate( ievMORPH_CROSS, 4 );
ImageEnView1.Update();

// Perform Dilation (Ellipse)
ImageEnView1.IEBitmap.GetIEVisionImage().dilate( ievMORPH_ELLIPSE, 4 );
ImageEnView1.Update();

// Perform IEVision Erosion (Rectangle)
ImageEnView1.IEBitmap.GetIEVisionImage().erode( ievMORPH_RECT, 4 );
ImageEnView1.Update();

// Perform IEVision Erosion (Cross)
ImageEnView1.IEBitmap.GetIEVisionImage().erode( ievMORPH_CROSS, 4 );
ImageEnView1.Update();

// Perform IEVision Erosion (Ellipse)
ImageEnView1.IEBitmap.GetIEVisionImage().erode( ievMORPH_ELLIPSE, 4 );
ImageEnView1.Update();

TImageEnProc.Minimum