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java.lang.Objectjjil.algorithm.Gray8Statistics
public class Gray8Statistics
Gray8Statistics is used to measure the mean and variance of a gray image.
Constructor Summary | |
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Gray8Statistics()
Creates a new instance of Gray8Statistics |
Method Summary | |
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int |
getMean()
Return computed mean, times 256. |
int |
getStdDev()
Return standard deviation, times 256 using Newton's iteration. |
int |
getVariance()
Return computed variance, times 256. |
void |
push(Image image)
Estimate the mean and variance of an input gray image. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Gray8Statistics()
Method Detail |
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public void push(Image image) throws Error
image
- the input image.
Error
- if the input image is not gray.public int getMean()
public int getStdDev() throws Error
Error
- if the variance computed in push() is less than zero.public int getVariance()
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