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renamed datasetstools to datasets

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Dmitriy Anisimov
2014-09-20 12:12:25 +04:00
committed by dmitriy.anisimov
parent ee934e29bb
commit 74fbe96b6f
68 changed files with 198 additions and 198 deletions
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modules/datasets/samples/or_mnist.cpp Normal file
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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
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// 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,
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//M*/
#include "opencv2/datasets/or_mnist.hpp"
#include <opencv2/core.hpp>
#include <opencv2/imgcodecs.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 }";
CommandLineParser parser(argc, argv, keys);
string path(parser.get<string>("path"));
if (parser.has("help") || path=="true")
{
parser.printMessage();
return -1;
}
Ptr<OR_mnist> dataset = OR_mnist::create();
dataset->load(path);
// ***************
// dataset contains for each object its image and label.
// For example, let output train & test sizes and their first elements.
printf("train size: %u\n", (unsigned int)dataset->getTrain().size());
printf("test size: %u\n", (unsigned int)dataset->getTest().size());
OR_mnistObj *example = static_cast<OR_mnistObj *>(dataset->getTrain()[0].get());
printf("first train:\nlabel: %u\n", example->label);
printf("image was saved to train0.png\n");
imwrite("train0.png", example->image);
example = static_cast<OR_mnistObj *>(dataset->getTest()[0].get());
printf("first test:\nlabel: %u\n", example->label);
printf("image was saved to test0.png\n");
imwrite("test0.png", example->image);
return 0;
}