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CvInvokeLog Method
http://www.emgu.com
Calculates natural logarithm of absolute value of every element of input array: dst(I)=log(abs(src(I))), src(I)!=0 dst(I)=C, src(I)=0 Where C is large negative number (-700 in the current implementation)

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.1.0.2282 (3.1.0.2282)
Syntax
public static void Log(
	IInputArray src,
	IOutputArray dst
)

Parameters

src
Type: Emgu.CVIInputArray
The source array
dst
Type: Emgu.CVIOutputArray
The destination array, it should have double type or the same type as the source
See Also