Returns or sets the maximum standard deviation threshold of the pixels in an image which will be used to determine whether an image is blank.
.BlankImageMaxStdDev = 50;
The allowed values are from 0 to 100. 0 means it is a single-color image. The default value is 1.
This property is only valid before
IsBlankImageExpress is called.
Currently this property is only valid in Windows & Mac.