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IntegralImageGetRectangleMean Method (Int32, Int32, Int32)

Calculate mean value of pixels in the specified rectangle.

Namespace:  Accord.Imaging
Assembly:  Accord.Imaging (in Accord.Imaging.dll) Version: 3.6.0
Syntax
public float GetRectangleMean(
	int x,
	int y,
	int radius
)
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Parameters

x
Type: SystemInt32
X coordinate of central point of the rectangle.
y
Type: SystemInt32
Y coordinate of central point of the rectangle.
radius
Type: SystemInt32
Radius of the rectangle.

Return Value

Type: Single
Returns mean value of pixels in the specified rectangle.
Remarks
The method calculates mean value of pixels in square rectangle with odd width and height. In the case if it is required to calculate mean value of 3x3 rectangle, then it is required to specify its center and radius equal to 1.
See Also