added fr_adience dataset loader

modules/datasets/include/opencv2/datasets/fr_adience.hpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2014, Itseez Inc, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Itseez Inc or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef OPENCV_DATASETS_FR_ADIENCE_HPP
+#define OPENCV_DATASETS_FR_ADIENCE_HPP
+
+#include <string>
+#include <vector>
+
+#include "opencv2/datasets/dataset.hpp"
+
+#include <opencv2/core.hpp>
+
+namespace cv
+{
+namespace datasets
+{
+
+enum genderType
+{
+    male = 0,
+    female,
+    none
+};
+
+struct FR_adienceObj : public Object
+{
+    std::string user_id;
+    std::string original_image;
+    int face_id;
+    std::string age;
+    genderType gender;
+    int x;
+    int y;
+    int dx;
+    int dy;
+    int tilt_ang;
+    int fiducial_yaw_angle;
+    int fiducial_score;
+};
+
+class CV_EXPORTS FR_adience : public Dataset
+{
+public:
+    virtual void load(const std::string &path) = 0;
+
+    static Ptr<FR_adience> create();
+
+    std::vector<std::string> paths;
+};
+
+}
+}
+
+#endif

modules/datasets/samples/fr_adience.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2014, Itseez Inc, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Itseez Inc or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "opencv2/datasets/fr_adience.hpp"
+
+#include <opencv2/core.hpp>
+
+#include <cstdio>
+
+#include <string>
+#include <vector>
+
+using namespace std;
+using namespace cv;
+using namespace cv::datasets;
+
+int main(int argc, char *argv[])
+{
+    const char *keys =
+            "{ help h usage ? |    | show this message }"
+            "{ path p         |true| path to dataset folder and splits }";
+    CommandLineParser parser(argc, argv, keys);
+    string path(parser.get<string>("path"));
+    if (parser.has("help") || path=="true")
+    {
+        parser.printMessage();
+        return -1;
+    }
+
+    Ptr<FR_adience> dataset = FR_adience::create();
+    dataset->load(path);
+
+    // ***************
+    // dataset contains for each object its images.
+    // For example, let output splits number, dataset size and last image.
+    int numSplits = dataset->getNumSplits();
+    printf("splits number: %u\n", numSplits);
+    printf("dataset size: %u\n", (unsigned int)dataset->getTrain().size());
+
+    FR_adienceObj *example = static_cast<FR_adienceObj *>(dataset->getTrain().back().get());
+    printf("last image:\n");
+    printf("user_id: %s\n", example->user_id.c_str());
+    printf("original_image: %s\n", example->original_image.c_str());
+    printf("face_id: %u\n", example->face_id);
+    printf("age: %s\n", example->age.c_str());
+    printf("gender: ");
+    if (example->gender == male)
+    {
+        printf("m\n");
+    } else
+    if (example->gender == female)
+    {
+        printf("f\n");
+    } else
+    {
+        printf("none\n");
+    }
+    printf("x: %u\n", example->x);
+    printf("y: %u\n", example->y);
+    printf("dx: %u\n", example->dx);
+    printf("dy: %u\n", example->dy);
+    printf("tilt_ang: %u\n", example->tilt_ang);
+    printf("fiducial_yaw_angle: %u\n", example->fiducial_yaw_angle);
+    printf("fiducial_score: %u\n", example->fiducial_score);
+
+    return 0;
+}

modules/datasets/src/fr_adience.cpp

+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2014, Itseez Inc, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Itseez Inc or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "opencv2/datasets/fr_adience.hpp"
+#include "opencv2/datasets/util.hpp"
+#include "precomp.hpp"
+
+namespace cv
+{
+namespace datasets
+{
+
+using namespace std;
+
+class CV_EXPORTS FR_adienceImp : public FR_adience
+{
+public:
+    FR_adienceImp() {}
+    //FR_adienceImp(const string &path);
+    virtual ~FR_adienceImp() {}
+
+    virtual void load(const string &path);
+
+private:
+    void loadDataset(const string &path);
+
+    void loadFile(const string &filename, vector< Ptr<FR_adienceObj> > &out);
+    void cv5ToSplits(vector< Ptr<FR_adienceObj> > fileList[5]);
+};
+
+/*FR_adienceImp::FR_adienceImp(const string &path)
+{
+    loadDataset(path);
+}*/
+
+void FR_adienceImp::load(const string &path)
+{
+    loadDataset(path);
+}
+
+void FR_adienceImp::loadFile(const string &filename, vector< Ptr<FR_adienceObj> > &out)
+{
+    string line;
+    ifstream infile(filename.c_str());
+    while (getline(infile, line))
+    {
+        Ptr<FR_adienceObj> curr(new FR_adienceObj);
+
+        vector<string> elems;
+        split(line, elems, ',');
+
+        curr->user_id = elems[0];
+        curr->original_image = elems[1];
+        curr->face_id = atoi(elems[2].c_str());
+        curr->age = elems[3];
+        if (elems[4]=="m")
+        {
+            curr->gender = male;
+        } else
+        if (elems[4]=="f")
+        {
+            curr->gender = female;
+        } else
+        {
+            curr->gender = none;
+        }
+        curr->x = atoi(elems[5].c_str());
+        curr->y = atoi(elems[6].c_str());
+        curr->dx = atoi(elems[7].c_str());
+        curr->dy = atoi(elems[8].c_str());
+        curr->tilt_ang = atoi(elems[9].c_str());
+        curr->fiducial_yaw_angle = atoi(elems[10].c_str());
+        curr->fiducial_score = atoi(elems[11].c_str());
+
+        out.push_back(curr);
+    }
+}
+
+void FR_adienceImp::cv5ToSplits(vector< Ptr<FR_adienceObj> > fileList[5])
+{
+    for (unsigned int i=0; i<5; ++i)
+    {
+        train.push_back(vector< Ptr<Object> >());
+        test.push_back(vector< Ptr<Object> >());
+        validation.push_back(vector< Ptr<Object> >());
+        for (unsigned int j=0; j<5; ++j)
+        {
+            vector< Ptr<FR_adienceObj> > &currlist = fileList[j];
+            if (i!=j)
+            {
+                for (vector< Ptr<FR_adienceObj> >::iterator it=currlist.begin(); it!=currlist.end(); ++it)
+                {
+                    train.back().push_back(*it);
+                }
+            } else
+            {
+                for (vector< Ptr<FR_adienceObj> >::iterator it=currlist.begin(); it!=currlist.end(); ++it)
+                {
+                    test.back().push_back(*it);
+                }
+            }
+        }
+    }
+}
+
+void FR_adienceImp::loadDataset(const string &path)
+{
+    vector< Ptr<FR_adienceObj> > fileList[5];
+    for (unsigned int i=0; i<5; ++i)
+    {
+        char tmp[3];
+        sprintf(tmp, "%u", i);
+        string filename(path+"fold_"+string(tmp)+"_data.txt");
+
+        loadFile(filename, fileList[i]);
+    }
+    cv5ToSplits(fileList);
+
+    for (unsigned int i=0; i<5; ++i)
+    {
+        char tmp[3];
+        sprintf(tmp, "%u", i);
+        string filename(path+"fold_frontal_"+string(tmp)+"_data.txt");
+
+        fileList[i].clear();
+        loadFile(filename, fileList[i]);
+    }
+    cv5ToSplits(fileList);
+}
+
+Ptr<FR_adience> FR_adience::create()
+{
+    return Ptr<FR_adienceImp>(new FR_adienceImp);
+}
+
+}
+}