features.filterBanks
Class FilterBank

java.lang.Object
  features.filterBanks.FilterBank

Direct Known Subclasses:

Canny, Gabor, GaussianDerivative, Hessian, Stereo, Variance

public abstract class FilterBank
extends java.lang.Object

Field Summary

static int

OPPONENCIES

Constructor Summary

FilterBank(float[] scales)
Michael should also work with grayscale images, how do we do that?

FilterBank(float[] scales, int[] channels)

Method Summary

abstract int	getNumber() Return the number of filters in this filter bank.
abstract java.lang.String	name(int filternumber, java.lang.String preString) Get the feature name for filternumber.
static float[]	scaleSet(int n) Return a set of n good scales for scale space.
static float[]	thetaSet(int n) Return a set of good filter orientations (thetas) for filters of order.

Methods inherited from class java.lang.Object

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

Field Detail

OPPONENCIES

public static final int OPPONENCIES

See Also:

Constant Field Values

Constructor Detail

FilterBank

public FilterBank(float[] scales)

Michael should also work with grayscale images, how do we do that?

Parameters:

scales - float[]

FilterBank

public FilterBank(float[] scales,
                  int[] channels)

Method Detail

getNumber

public abstract int getNumber()

Return the number of filters in this filter bank.

name

public abstract java.lang.String name(int filternumber,
                                      java.lang.String preString)

Get the feature name for filternumber.

thetaSet

public static float[] thetaSet(int n)

Return a set of good filter orientations (thetas) for filters of order. n 0 = 0 (trivial) n 1 = 0, 90 degrees n 2 = 0, 60, 120 degrees, etc...

scaleSet

public static float[] scaleSet(int n)

Return a set of n good scales for scale space. 1,2,4,8,16...

Returns:

a float[] with increasing scales.