org.openimaj.image.objectdetection.haar.Classifier Maven / Gradle / Ivy
/**
* Copyright (c) 2011, The University of Southampton and the individual contributors.
* All rights reserved.
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.openimaj.image.objectdetection.haar;
import org.openimaj.image.analysis.algorithm.SummedSqTiltAreaTable;
/**
* Interface for an individual Haar-like classifier.
*
* @author Jonathon Hare ([email protected])
*
*/
public interface Classifier {
/**
* Get the classification score for the window at (x, y) with the size
* defined by scale.
*
* @param sat
* the summed area tables (integral images)
* @param wvNorm
* the normalisation based on the current window variance
* @param x
* the x-ordinate of the top-left of the window being tested
* @param y
* the y-ordinate of the top-left of the window being tested
* @return the classification score
*/
public float classify(final SummedSqTiltAreaTable sat, final float wvNorm, final int x, final int y);
/**
* Update the caches for a given scale (given by the
* cachedScale of the {@link StageTreeClassifier}).
*
* @param cascade
* the tree of stages
*/
void updateCaches(StageTreeClassifier cascade);
}