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CvInvokecvSetImageCOI Method
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Sets the channel of interest to a given value. Value 0 means that all channels are selected, 1 means that the first channel is selected etc. If ROI is NULL and coi != 0, ROI is allocated.

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.2.0.2682 (3.2.0.2682)
Syntax
public static void cvSetImageCOI(
	IntPtr image,
	int coi
)

Parameters

image
Type: SystemIntPtr
Image header
coi
Type: SystemInt32
Channel of interest starting from 1. If 0, the COI is unset.
See Also