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: 3.8.0

Syntax

public float GetRectangleMean(
	int x,
	int y,
	int radius
)

Public Function GetRectangleMean ( 
	x As Integer,
	y As Integer,
	radius As Integer
) As Single

Request Example View Source

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.

Reference

IntegralImage Class

GetRectangleMean Overload

Accord.Imaging Namespace

IntegralImageAddLanguageSpecificTextSet("LST5491AA9_0?cpp=::|nu=.");GetRectangleMean Method (Int32, Int32, Int32)

Parameters

Return Value

Reference

IntegralImageGetRectangleMean Method (Int32, Int32, Int32)