boofcv.alg.scene.HistogramScene Maven / Gradle / Ivy

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/*
 * Copyright (c) 2021, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.alg.scene;

import java.io.Serializable;

/**
 * Histogram which represents the frequency of different types of words in a single image.
 * Typically used during scene classification.
 *
 * @author Peter Abeles
 */
@SuppressWarnings({"NullAway.Init"})
public class HistogramScene implements Serializable {
	/**
	 * Normalized word frequency histogram. Normalized so that it sums up to 1.
	 */
	public double[] histogram;
	/**
	 * The type of scene the image was representative of
	 */
	public int type;

	public HistogramScene( int numWords ) {
		histogram = new double[numWords];
	}

	public HistogramScene() {}

	public void setHistogram( double original[] ) {
		System.arraycopy(original, 0, histogram, 0, histogram.length);
	}

	public double[] getHistogram() {
		return histogram;
	}

	public int getType() {
		return type;
	}

	public void setType( int type ) {
		this.type = type;
	}
}