Emgu CV Library Documentation
Item Property (row, col)
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)Item[([(Int32, Int32])])

www.emgu.com/wiki
Get or Set the color in the rowth row (y direction) and columnth column (x direction)
Declaration Syntax
C#Visual BasicVisual C++
public TColor this[
	int row,
	int col
] { get; set; }
Public Default Property Item ( _
	row As Integer, _
	col As Integer _
) As TColor
public:
property TColor default[int row, int col] {
	TColor get (int row, int col);
	void set (int row, int col, TColor value);
}
Parameters
row (Int32)
The zero-based row (y direction) of the pixel
col (Int32)
The zero-based column (x direction) of the pixel
Return Value
The color in the specific row and column

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)