/**
*
* @author greg (at) myrobotlab.org
*
* This file is part of MyRobotLab (http://myrobotlab.org).
*
* MyRobotLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version (subject to the "Classpath" exception
* as provided in the LICENSE.txt file that accompanied this code).
*
* MyRobotLab is distributed in the hope that it will be useful or fun,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* All libraries in thirdParty bundle are subject to their own license
* requirements - please refer to http://myrobotlab.org/libraries for
* details.
*
* Enjoy !
*
* */
package org.myrobotlab.opencv;
import static org.bytedeco.javacpp.opencv_core.cvCreateImage;
import static org.bytedeco.javacpp.opencv_core.cvGetSize;
import static org.bytedeco.javacpp.opencv_imgproc.CV_BGR2GRAY;
import static org.bytedeco.javacpp.opencv_imgproc.cvCanny;
import static org.bytedeco.javacpp.opencv_imgproc.cvCvtColor;
import org.bytedeco.javacpp.opencv_core.IplImage;
import org.myrobotlab.logging.LoggerFactory;
import org.slf4j.Logger;
public class OpenCVFilterFauvist extends OpenCVFilter {
private static final long serialVersionUID = 1L;
public final static Logger log = LoggerFactory.getLogger(OpenCVFilterFauvist.class.getCanonicalName());
transient IplImage gray = null;
transient IplImage inlines = null;
double lowThreshold = 0.0;
double highThreshold = 50.0;
int apertureSize = 5;
public OpenCVFilterFauvist() {
super();
}
public OpenCVFilterFauvist(String name) {
super(name);
}
@Override
public void imageChanged(IplImage image) {
// TODO Auto-generated method stub
}
@Override
public IplImage process(IplImage image, OpenCVData data) {
if (image == null) {
log.error("image is null");
}
if (gray == null) {
gray = cvCreateImage(cvGetSize(image), 8, 1);
}
if (inlines == null) {
inlines = cvCreateImage(cvGetSize(image), 8, 1);
}
if (image.nChannels() == 3) {
cvCvtColor(image, gray, CV_BGR2GRAY);
} else {
gray = image.clone();
}
/*
* lowThreshold = 600.0; highThreshold = 1220.0; apertureSize = 5;
*/
lowThreshold = 40.0;
highThreshold = 110.0;
apertureSize = 3;
cvCanny(gray, inlines, lowThreshold, highThreshold, apertureSize);
return inlines;
}
}