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/*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/pd_caltech.hpp"
#include "opencv2/datasets/util.hpp"
namespace cv
{
namespace datasets
{
using namespace std;
class PD_caltechImp : public PD_caltech
{
public:
PD_caltechImp() {}
//PD_caltechImp(const string &path);
virtual ~PD_caltechImp() {}
virtual void load(const string &path);
private:
void loadDataset(const string &path);
};
/*PD_caltechImp::PD_caltechImp(const string &path)
{
loadDataset(path);
}*/
void PD_caltechImp::load(const string &path)
{
loadDataset(path);
}
void PD_caltechImp::loadDataset(const string &path)
{
train.push_back(vector< Ptr<Object> >());
test.push_back(vector< Ptr<Object> >());
validation.push_back(vector< Ptr<Object> >());
createDirectory((path + "../images/"));
vector<string> objectNames;
getDirList(path, objectNames);
for (vector<string>::iterator it=objectNames.begin(); it!=objectNames.end(); ++it)
{
Ptr<PD_caltechObj> curr(new PD_caltechObj);
curr->name = *it;
string objectPath(path + "../images/" + curr->name + "/");
createDirectory(objectPath);
string seqImagesPath(path + curr->name + "/");
vector<string> seqNames;
getDirList(seqImagesPath, seqNames);
for (vector<string>::iterator itSeq=seqNames.begin(); itSeq!=seqNames.end(); ++itSeq)
{
string &seqName = *itSeq;
createDirectory((objectPath + seqName));
FILE *f = fopen((seqImagesPath + seqName).c_str(), "rb");
#define SKIP 28+8+512
fseek(f, SKIP, SEEK_CUR);
unsigned int header[9];
size_t res = fread(header, 9, 4, f);
double fps;
res = fread(&fps, 1, 8, f);
fseek(f, 432, SEEK_CUR);
/*printf("width %u\n", header[0]);
printf("height %u\n", header[1]);
printf("imageBitDepth %u\n", header[2]);
printf("imageBitDepthReal %u\n", header[3]);
printf("imageSizeBytes %u\n", header[4]);
printf("imageFormat %u\n", header[5]);
printf("numFrames %u\n", numFrames);
printf("fps %f\n", fps);
printf("trueImageSize %u\n", header[8]);*/
unsigned int numFrames = header[6];
string ext;
switch (header[5])
{
case 100:
case 200:
ext = "raw";
break;
case 101:
ext = "brgb8";
break;
case 102:
case 201:
ext = "jpg";
break;
case 103:
ext = "jbrgb";
break;
case 001:
case 002:
ext = "png";
break;
}
for (unsigned int i=0; i<numFrames; ++i)
{
unsigned int size;
res = fread(&size, 1, 4, f);
char imgName[20];
sprintf(imgName, "/%u.%s", i, ext.c_str());
curr->imageNames.push_back(imgName);
// comment fseek and uncomment next block to unpack all frames
fseek(f, size, SEEK_CUR);
/*char *img = new char[size];
fread(img, size, 1, f);
string imgPath(objectPath + seqName + imgName);
FILE *fImg = fopen(imgPath.c_str(), "wb");
fwrite(img, size, 1, fImg);
fclose(fImg);
delete[] img;*/
fseek(f, 12, SEEK_CUR);
}
if (0 != res) // should fix unused variable warning
{
res = 0;
}
fclose(f);
}
train.back().push_back(curr);
}
}
Ptr<PD_caltech> PD_caltech::create()
{
return Ptr<PD_caltechImp>(new PD_caltechImp);
}
}
}