fact.features.video

Class CenterOfGravity

java.lang.Object

fact.features.video.CenterOfGravity

All Implemented Interfaces:

stream.Processor

public class CenterOfGravity
extends Object
implements stream.Processor

Field Summary

Fields

Modifier and Type	Field and Description
int	numberOfShowerPixelThreshold
String	outputKey

Constructor Summary

Constructors

Constructor and Description
CenterOfGravity()

Method Summary

Modifier and Type	Method and Description
stream.Data	process(stream.Data item) This function calculates the center of gravity for every slice.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

outputKey

@Parameter(required=true,
           defaultValue="CenterOfGravity",
           description="The output key tag. Will be inserted before all output keys.")
public String outputKey

numberOfShowerPixelThreshold

@Parameter(required=true,
           defaultValue="4",
           description="Minimum of shower pixel to start calculation.")
public int numberOfShowerPixelThreshold

Constructor Detail

CenterOfGravity

public CenterOfGravity()

Method Detail

process

public stream.Data process(stream.Data item)

This function calculates the center of gravity for every slice. It uses only shower pixel. It also calculates the variance and covariance of the center of gravity.

Specified by:

process in interface stream.Processor