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ImageTColor, TDepthPyrDown Method
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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: 3.0.0.2161 (3.0.0.2161)
Syntax
public Image<TColor, TDepth> PyrDown()

Return Value

Type: ImageTColor, TDepth
The downsampled image
See Also