cascade.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <opencv2/objdetect/objdetect.hpp>
#include <openbr_plugin.h>
#include "core/opencvutils.h"
#include "core/resource.h"
using namespace cv;
using namespace br;
class CascadeResourceMaker : public ResourceMaker<CascadeClassifier>
{
QString file;
public:
CascadeResourceMaker(const QString &model)
{
file = Globals->sdkPath + "/share/openbr/models/";
if (model == "Ear") file += "haarcascades/haarcascade_ear.xml";
else if (model == "Eye") file += "haarcascades/eye_tree_eyeglasses.xml";
else if (model == "FrontalFace") file += "haarcascades/haarcascade_frontalface_alt2.xml";
else if (model == "Ocular") file += "parojosG.xml";
else if (model == "ProfileFace") file += "haarcascades/haarcascade_profileface.xml";
else qFatal("CascadeResourceMaker::CascadeResourceMaker invalid model.");
}
private:
CascadeClassifier *make() const
{
CascadeClassifier *cascade = new CascadeClassifier();
if (!cascade->load(file.toStdString()))
qFatal("CascadeResourceMaker::make failed to load: %s", qPrintable(file));
return cascade;
}
};
/*!
* \ingroup transforms
* \brief Wraps OpenCV cascade classifier
* \author Josh Klontz \cite jklontz
*/
class Cascade : public UntrainableTransform
{
Q_OBJECT
Q_PROPERTY(QString model READ get_model WRITE set_model RESET reset_model STORED false)
Q_PROPERTY(int minSize READ get_minSize WRITE set_minSize RESET reset_minSize STORED false)
BR_PROPERTY(QString, model, "FrontalFace")
BR_PROPERTY(int, minSize, 64)
Resource<CascadeClassifier> cascadeResource;
void init()
{
cascadeResource.setResourceMaker(new CascadeResourceMaker(model));
}
void project(const Template &src, Template &dst) const
{
CascadeClassifier *cascade = cascadeResource.acquire();
vector<Rect> rects;
cascade->detectMultiScale(src, rects, 1.2, 5, src.file.getBool("forceEnrollment") ? CV_HAAR_FIND_BIGGEST_OBJECT : 0, Size(minSize, minSize));
cascadeResource.release(cascade);
if (src.file.getBool("forceEnrollment") && rects.empty())
rects.push_back(Rect(0, 0, src.m().cols, src.m().rows));
foreach (const Rect &rect, rects) {
dst += src;
dst.file.appendROI(OpenCVUtils::fromRect(rect));
}
}
};
BR_REGISTER(Transform, Cascade)
#include "cascade.moc"