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CvInvokecvGetSubRect Method
http://www.emgu.com
Returns header, corresponding to a specified rectangle of the input array. In other words, it allows the user to treat a rectangular part of input array as a stand-alone array. ROI is taken into account by the function so the sub-array of ROI is actually extracted.

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.1.0.2282 (3.1.0.2282)
Syntax
public static IntPtr cvGetSubRect(
	IntPtr arr,
	IntPtr submat,
	Rectangle rect
)

Parameters

arr
Type: SystemIntPtr
Input array
submat
Type: SystemIntPtr
Pointer to the resultant sub-array header.
rect
Type: System.DrawingRectangle
Zero-based coordinates of the rectangle of interest.

Return Value

Type: IntPtr
the resultant sub-array header
See Also