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ImageTColor, TDepthSubR Method (TColor, ImageGray, Byte)
http://www.emgu.com
result = val - this, using a mask

Namespace: Emgu.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 3.0.0.2161 (3.0.0.2161)
Syntax
public Image<TColor, TDepth> SubR(
	TColor val,
	Image<Gray, byte> mask
)

Parameters

val
Type: TColor
The value which subtract this image
mask
Type: Emgu.CVImageGray, Byte
The mask for subtraction

Return Value

Type: ImageTColor, TDepth
val - this, with mask
See Also