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

Go to download

Show more of this group Show more artifacts with this name
Show all versions of recognition Show documentation

BoofCV is an open source Java library for real-time computer vision and robotics applications.

There is a newer version: 0.26

/*
 * Copyright (c) 2011-2015, 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.ImageBase;
import boofcv.struct.image.ImageType;
import georegression.geometry.UtilPolygons2D_F64;
import georegression.struct.shapes.Quadrilateral_F64;
import georegression.struct.shapes.Rectangle2D_F64;
import georegression.struct.shapes.RectangleLength2D_I32;

/**
 * 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;

	Rectangle2D_F64 rect = new Rectangle2D_F64();
	RectangleLength2D_I32 target = new RectangleLength2D_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.x0 = (int)rect.p0.x;
		target.y0 = (int)rect.p0.y;
		target.width = (int)rect.getWidth()+1;
		target.height = (int)rect.getHeight()+1;

		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;

		RectangleLength2D_I32 rect = tracker.getLocation();
		UtilPolygons2D_F64.convert(rect,location);

		return true;
	}

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