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ImageTColor, TDepthPyrUp Method
http://www.emgu.com
Performs up-sampling step of Gaussian pyramid decomposition. First it upsamples this image by injecting even zero rows and columns and then convolves result with the specified filter multiplied by 4 for interpolation. So the resulting image is four times larger than the source image.

Namespace: Emgu.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 3.0.0.2161 (3.0.0.2161)
Syntax
public Image<TColor, TDepth> PyrUp()

Return Value

Type: ImageTColor, TDepth
The upsampled image
See Also