diva.sketch.features

Class SumOfAbsDeltaRatioFE

java.lang.Object

diva.sketch.features.SumOfAbsDeltaRatioFE

All Implemented Interfaces:

FeatureExtractor

public class SumOfAbsDeltaRatioFE
extends Object
implements FeatureExtractor

SumOfAbsDeltaRatioFE computes the ratio of the sum of the absolute values of the delta y's and the sum of the absolute values of the delta x's (sum of |delta y|)/(sum of |delta x|).

Version:

$Revision: 1.9 $

Author:

Heloise Hse (hwawen@eecs.berkeley.edu)

Constructor Summary

Constructors

Constructor and Description
SumOfAbsDeltaRatioFE()

Method Summary

Modifier and Type	Method and Description
double	apply(TimedStroke s) Return the ratio of the sum of the absolute values of the delta y's and the sum of the absolute values of the delta x's.
String	getName() Return the name of this feature extractor.
static double	sumOfAbsDeltaRatio(TimedStroke s) Return the ratio of the sum of the absolute values of the delta y's and the sum of the absolute values of the delta x's.

Methods inherited from class java.lang.Object

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

Constructor Detail

SumOfAbsDeltaRatioFE

public SumOfAbsDeltaRatioFE()

Method Detail

apply

public double apply(TimedStroke s)

Return the ratio of the sum of the absolute values of the delta y's and the sum of the absolute values of the delta x's. (sum of |delta y|)/(sum of |delta x|).

Specified by:

apply in interface FeatureExtractor

getName

public String getName()

Return the name of this feature extractor.

Specified by:

getName in interface FeatureExtractor

sumOfAbsDeltaRatio

public static double sumOfAbsDeltaRatio(TimedStroke s)

Return the ratio of the sum of the absolute values of the delta y's and the sum of the absolute values of the delta x's. (sum of |delta y|)/(sum of |delta x|).