（ caffe-windows.zip ）

//
// This script converts the CIFAR dataset to the leveldb format used
// by caffe to perform classification.
// Usage:
//    convert_cifar_data input_folder output_db_file
// The CIFAR dataset could be downloaded at
//    http://www.cs.toronto.edu/~kriz/cifar.html

#include   // NOLINT（readability/streams）
#include 

#include “boost/scoped_ptr.hpp“
#include “glog/logging.h“
#include “google/protobuf/text_format.h“
#include “stdint.h“

#include “caffe/proto/caffe.pb.h“
#include “caffe/util/db.hpp“
#include “caffe/util/format.hpp“

using caffe::Datum;
using boost::scoped_ptr;
using std::string;
namespace db = caffe::db;

const int kCIFARSize = 32;
const int kCIFARImageNBytes = 3072;
const int kCIFARBatchSize = 10000;
const int kCIFARTrainBatches = 5;

void read_image（std::ifstream* file int* label char* buffer） {
  char label_char;
  file->read（&label_char 1）;
  *label = label_char;
  file->read（buffer kCIFARImageNBytes）;
  return;
}

void convert_dataset（const string& input_folder const string& output_folder
    const string& db_type） {
  scoped_ptr train_db（db::GetDB（db_type））;
  train_db->Open（output_folder + “/cifar10_train_“ + db_type db::NEW）;
  scoped_ptr txn（train_db->NewTransaction（））;
  // Data buffer
  int label;
  char str_buffer[kCIFARImageNBytes];
  Datum datum;
  datum.set_channels（3）;
  datum.set_height（kCIFARSize）;
  datum.set_width（kCIFARSize）;

  LOG（INFO） << “Writing Training data“;
  for （int fileid = 0; fileid < kCIFARTrainBatches; ++fileid） {
    // Open files
    LOG（INFO） << “Training Batch “ << fileid + 1;
    string batchFileName = input_folder + “/data_batch_“
      + caffe::format_int（fileid+1） + “.bin“;
    std::ifstream data_file（batchFileName.c_str（）
        std::ios::in | std::ios::binary）;
    CHECK（data_file） << “Unable to open train file #“ << fileid + 1;
    for （int itemid = 0; itemid < kCIFARBatchSize; ++itemid） {
      read_image（&data_file &label str_buffer）;
      datum.set_label（label）;
      datum.set_data（str_buffer kCIFARImageNBytes）;
      string out;
      CHECK（datum.SerializeToString（&out））;
      txn->Put（caffe::format_int（fileid * kCIFARBatchSize + itemid 5） out）;
    }
  }
  txn->Commit（）;
  train_db->Close（）;

  LOG（INFO） << “Writing Testing data“;
  scoped_ptr test_db（db::GetDB（db_type））;
  test_db->Open（output_folder + “/cifar10_test_“ + db_type db::NEW）;
  txn.reset（test_db->NewTransaction（））;
  // Open files
  std::ifstream data_file（（input_folder + “/test_batch.bin“）.c_str（）
      std::ios::in | std::ios::binary）;
  CHECK（data_file） << “Unable to open test file.“;
  for （int itemid = 0; itemid < kCIFARBatchSize; ++itemid） {
    read_image（&data_file &label str_buffer）;
    datum.set_label（label）;
    datum.set_data（str_buffer kCIFARImageNBytes）;
    string out;
    CHECK（datum.SerializeToString（&out））;
    txn->Put（caffe::format_int（itemid 5） out）;
  }
  txn->Commit（）;
  test_db->Close（）;
}

int main（int argc char** ar

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-07-11 05:15  caffe-windows
     文件      101863  2016-07-11 05:15  caffe-windows.Doxyfile
     文件        2518  2016-07-11 05:15  caffe-windows.gitattributes
     文件        1192  2016-07-11 05:15  caffe-windows.gitignore
     文件        1757  2016-07-11 05:15  caffe-windows.travis.yml
     文件        2939  2016-07-11 05:15  caffe-windowsCMakeLists.txt
     文件        1917  2016-07-11 05:15  caffe-windowsCONTRIBUTING.md
     文件         620  2016-07-11 05:15  caffe-windowsCONTRIBUTORS.md
     文件         210  2016-07-11 05:15  caffe-windowsINSTALL.md
     文件        2095  2016-07-11 05:15  caffe-windowsLICENSE
     文件       23516  2016-07-11 05:15  caffe-windowsMakefile
     文件        4283  2016-07-11 05:15  caffe-windowsMakefile.config.example
     文件        3047  2016-07-11 05:15  caffe-windowsREADME.md
     文件         725  2016-07-11 05:15  caffe-windowsappveyor.yml
     文件        1180  2016-07-11 05:15  caffe-windowscaffe.cloc
     目录           0  2016-07-11 05:15  caffe-windowscmake
     文件        4373  2016-07-11 05:15  caffe-windowscmakeConfigGen.cmake
     文件       11184  2016-07-11 05:15  caffe-windowscmakeCuda.cmake
     文件        5564  2016-07-11 05:15  caffe-windowscmakeDependencies.cmake
     目录           0  2016-07-11 05:15  caffe-windowscmakeExternal
     文件        1939  2016-07-11 05:15  caffe-windowscmakeExternalgflags.cmake
     文件        1719  2016-07-11 05:15  caffe-windowscmakeExternalglog.cmake
     文件        1764  2016-07-11 05:15  caffe-windowscmakeMisc.cmake
     目录           0  2016-07-11 05:15  caffe-windowscmakeModules
     文件        1666  2016-07-11 05:15  caffe-windowscmakeModulesFindAtlas.cmake
     文件        1545  2016-07-11 05:15  caffe-windowscmakeModulesFindGFlags.cmake
     文件        1451  2016-07-11 05:15  caffe-windowscmakeModulesFindGlog.cmake
     文件        6723  2016-07-11 05:15  caffe-windowscmakeModulesFindLAPACK.cmake
     文件        1119  2016-07-11 05:15  caffe-windowscmakeModulesFindLMDB.cmake
     文件        1728  2016-07-11 05:15  caffe-windowscmakeModulesFindLevelDB.cmake
     文件        3250  2016-07-11 05:15  caffe-windowscmakeModulesFindMKL.cmake
............此处省略716个文件信息