001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.demos;
031
032import java.io.File;
033import java.io.IOException;
034
035import org.openimaj.feature.local.list.LocalFeatureList;
036import org.openimaj.feature.local.matcher.FastBasicKeypointMatcher;
037import org.openimaj.feature.local.matcher.consistent.ConsistentLocalFeatureMatcher2d;
038import org.openimaj.image.DisplayUtilities;
039import org.openimaj.image.FImage;
040import org.openimaj.image.ImageUtilities;
041import org.openimaj.image.MBFImage;
042import org.openimaj.image.colour.Transforms;
043import org.openimaj.image.feature.local.engine.DoGSIFTEngine;
044import org.openimaj.image.feature.local.keypoints.Keypoint;
045import org.openimaj.image.processing.resize.ResizeProcessor;
046import org.openimaj.image.processing.transform.ProjectionProcessor;
047import org.openimaj.math.geometry.point.Point2d;
048import org.openimaj.math.geometry.transforms.HomographyModel;
049import org.openimaj.math.geometry.transforms.residuals.SingleImageTransferResidual2d;
050import org.openimaj.math.model.fit.RANSAC;
051
052/**
053 * Demonstration of building an image mosiac
054 * 
055 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
056 * 
057 */
058public class SimpleMosaic {
059        /**
060         * Build a mosaic
061         * 
062         * @param args
063         *            ignored
064         * @throws IOException
065         */
066        public static void main(String args[]) throws IOException {
067                final ResizeProcessor rp = new ResizeProcessor(800, 600);
068                final DoGSIFTEngine engine = new DoGSIFTEngine();
069
070                final MBFImage imageMiddle = ImageUtilities.readMBF(new File("data/trento-view-1.jpg"));
071                imageMiddle.processInplace(rp);
072                final FImage workingImageMiddle = Transforms.calculateIntensityNTSC(imageMiddle);
073                final LocalFeatureList<Keypoint> middleKP = engine.findFeatures(workingImageMiddle);
074
075                final ConsistentLocalFeatureMatcher2d<Keypoint> matcher =
076                                new ConsistentLocalFeatureMatcher2d<Keypoint>(new FastBasicKeypointMatcher<Keypoint>(8));
077                final HomographyModel model = new HomographyModel();
078                final RANSAC<Point2d, Point2d, HomographyModel> modelFitting =
079                                new RANSAC<Point2d, Point2d, HomographyModel>(model,
080                                                new SingleImageTransferResidual2d<HomographyModel>(), 8.0, 1600,
081                                                new RANSAC.BestFitStoppingCondition(), true);
082                matcher.setFittingModel(modelFitting);
083                matcher.setModelFeatures(middleKP);
084                final ProjectionProcessor<Float[], MBFImage> ptp = new ProjectionProcessor<Float[], MBFImage>();
085                imageMiddle.accumulateWith(ptp);
086
087                final MBFImage imageRight = ImageUtilities.readMBF(new File("data/trento-view-0.jpg"));
088                imageRight.processInplace(rp);
089                final FImage workingImageRight = Transforms.calculateIntensityNTSC(imageRight);
090                final LocalFeatureList<Keypoint> rightKP = engine.findFeatures(workingImageRight);
091                matcher.findMatches(rightKP);
092                ptp.setMatrix(model.getTransform());
093                imageRight.accumulateWith(ptp);
094
095                final MBFImage imageLeft = ImageUtilities.readMBF(new File("data/trento-view-2.jpg"));
096                imageLeft.processInplace(rp);
097                final FImage workingImageLeft = Transforms.calculateIntensityNTSC(imageLeft);
098                final LocalFeatureList<Keypoint> leftKP = engine.findFeatures(workingImageLeft);
099                matcher.findMatches(leftKP);
100                ptp.setMatrix(model.getTransform());
101                imageLeft.accumulateWith(ptp);
102
103                final MBFImage projected = ptp.performBlendedProjection(
104                                (-imageMiddle.getWidth()),
105                                imageMiddle.getWidth() + imageMiddle.getWidth(),
106                                -imageMiddle.getHeight() / 2, 3 * imageMiddle.getHeight() / 2, (Float[]) null);
107                DisplayUtilities.display(projected);
108                ImageUtilities.write(projected, "png", new File("/Users/jsh2/Desktop/mosaic.png"));
109        }
110}