boofcv.abst.tracker.Msl_to_TrackerObjectQuad Maven / Gradle / Ivy

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/*
 * Copyright (c) 2011-2013, 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.abst.tracker;

import boofcv.alg.tracker.meanshift.PixelLikelihood;
import boofcv.alg.tracker.meanshift.TrackerMeanShiftLikelihood;
import boofcv.struct.image.ImageMultiBand;
import boofcv.struct.image.ImageType;
import georegression.geometry.UtilPolygons2D_F64;
import georegression.struct.shapes.Quadrilateral_F64;
import georegression.struct.shapes.Rectangle2D_I32;
import georegression.struct.shapes.RectangleCorner2D_F64;

/**
 * Wrapper around {@link  boofcv.alg.tracker.meanshift.TrackerMeanShiftLikelihood} for {@link TrackerObjectQuad}
 *
 * @author Peter Abeles
 */
public class Msl_to_TrackerObjectQuad  implements TrackerObjectQuad {

	TrackerMeanShiftLikelihood tracker;
	PixelLikelihood likelihood;

	ImageType type;

	RectangleCorner2D_F64 rect = new RectangleCorner2D_F64();
	Rectangle2D_I32 target = new Rectangle2D_I32();

	public Msl_to_TrackerObjectQuad(TrackerMeanShiftLikelihood tracker,
									PixelLikelihood likelihood , ImageType imageType) {
		this.tracker = tracker;
		this.likelihood = likelihood;

		type = imageType;
	}

	@Override
	public boolean initialize( T image, Quadrilateral_F64 location) {

		UtilPolygons2D_F64.bounding(location, rect);

		target.tl_x = (int)rect.x0;
		target.tl_y = (int)rect.y0;
		target.width = (int)rect.getWidth();
		target.height = (int)rect.getHeight();

		likelihood.setImage(image);
		likelihood.createModel(target);
		tracker.initialize(image,target);

		return true;
	}

	@Override
	public boolean process(T image, Quadrilateral_F64 location) {

		if( !tracker.process(image ))
		    return false;

		Rectangle2D_I32 rect = tracker.getLocation();

		location.a.x = rect.tl_x;
		location.a.y = rect.tl_y;
		location.b.x = rect.tl_x + rect.width;
		location.b.y = rect.tl_y;
		location.c.x = rect.tl_x + rect.width;
		location.c.y = rect.tl_y + rect.height;
		location.d.x = rect.tl_x;
		location.d.y = rect.tl_y + rect.height;

		return true;
	}

	@Override
	public ImageType getImageType() {
		return type;
	}
}