Performs downsampling step of Gaussian pyramid decomposition. First it convolves this image with the specified filter and then downsamples the image by rejecting even rows and columns.

Namespace:  Emgu.CV
Assembly:  Emgu.CV (in Emgu.CV.dll) Version: 2.0.1.0 (2.0.1.0)

Syntax

C#
public Image<TColor, TDepth> PyrDown()
Visual Basic (Declaration)
Public Function PyrDown As Image(Of TColor, TDepth)
Visual C++
public:
Image<TColor, TDepth>^ PyrDown()

Return Value

The downsampled image

See Also