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.sandbox; 031 032import java.io.IOException; 033import java.util.List; 034 035import org.openimaj.image.FImage; 036import org.openimaj.image.MBFImage; 037import org.openimaj.image.colour.RGBColour; 038import org.openimaj.image.objectdetection.FilteringObjectDetector; 039import org.openimaj.image.objectdetection.RotationSimulationObjectDetector; 040import org.openimaj.image.objectdetection.TransformedDetection; 041import org.openimaj.image.objectdetection.filtering.OpenCVGrouping; 042import org.openimaj.image.objectdetection.haar.Detector; 043import org.openimaj.image.objectdetection.haar.OCVHaarLoader; 044import org.openimaj.image.objectdetection.haar.StageTreeClassifier; 045import org.openimaj.math.geometry.shape.Rectangle; 046import org.openimaj.math.geometry.shape.Shape; 047import org.openimaj.time.Timer; 048import org.openimaj.util.pair.ObjectIntPair; 049import org.openimaj.video.VideoDisplay; 050import org.openimaj.video.VideoDisplayListener; 051import org.openimaj.video.capture.VideoCapture; 052 053public class HaarTester { 054 public static void main(String[] args) throws IOException { 055 056 final StageTreeClassifier cascade = 057 OCVHaarLoader.read(StageTreeClassifier.class 058 .getResourceAsStream("haarcascade_frontalface_alt.xml")); 059 060 final Detector haar = new Detector(cascade); 061 haar.setMinimumDetectionSize(20); 062 063 final RotationSimulationObjectDetector<FImage, Float, ObjectIntPair<Rectangle>> det = 064 new RotationSimulationObjectDetector<FImage, Float, ObjectIntPair<Rectangle>>( 065 new FilteringObjectDetector<FImage, Rectangle, ObjectIntPair<Rectangle>>(haar, 066 new OpenCVGrouping(3)), new float[] { -0.7f, -0.35f, 0f, 0.35f, 0.7f }, 0.25f); 067 068 final VideoCapture vc = new VideoCapture(640, 480); 069 VideoDisplay.createVideoDisplay(vc).addVideoListener(new VideoDisplayListener<MBFImage>() 070 { 071 @Override 072 public void beforeUpdate(MBFImage frame) { 073 final Timer t = Timer.timer(); 074 075 final FImage detectionImage = frame.flatten(); 076 077 final List<TransformedDetection<ObjectIntPair<Rectangle>>> rects = det.detect(detectionImage); 078 // rects = grp.apply(rects); 079 System.out.println(t.duration()); 080 081 for (final TransformedDetection<ObjectIntPair<Rectangle>> r : rects) { 082 final Shape td = r.detected.first.transform(r.transform); 083 084 System.out.println(td.calculateRegularBoundingBox()); 085 086 frame.drawShape(td, RGBColour.RED); 087 } 088 } 089 090 @Override 091 public void afterUpdate(VideoDisplay<MBFImage> display) { 092 // TODO Auto-generated method stub 093 094 } 095 }); 096 } 097}