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#include "convert_pascal_v1.h"
#include "dlib/data_io.h"
#include <iostream>
#include <string>
#include <dlib/dir_nav.h>
#include <dlib/time_this.h>
using namespace std;
using namespace dlib;
namespace
{
using namespace dlib::image_dataset_metadata;
// ----------------------------------------------------------------------------------------
std::string pick_out_quoted_string (
const std::string& str
)
{
std::string temp;
bool in_quotes = false;
for (unsigned long i = 0; i < str.size(); ++i)
{
if (str[i] == '"')
{
in_quotes = !in_quotes;
}
else if (in_quotes)
{
temp += str[i];
}
}
return temp;
}
// ----------------------------------------------------------------------------------------
void parse_annotation_file(
const std::string& file,
dlib::image_dataset_metadata::image& img,
std::string& dataset_name
)
{
ifstream fin(file.c_str());
if (!fin)
throw dlib::error("Unable to open file " + file);
img = dlib::image_dataset_metadata::image();
string str, line;
std::vector<string> words;
while (fin.peek() != EOF)
{
getline(fin, line);
words = split(line, " \r\n\t:(,-)\"");
if (words.size() > 2)
{
if (words[0] == "#")
continue;
if (words[0] == "Image" && words[1] == "filename")
{
img.filename = pick_out_quoted_string(line);
}
else if (words[0] == "Database")
{
dataset_name = pick_out_quoted_string(line);
}
else if (words[0] == "Objects" && words[1] == "with" && words.size() >= 5)
{
const int num = sa = words[4];
img.boxes.resize(num);
}
else if (words.size() > 4 && (words[2] == "for" || words[2] == "on") && words[3] == "object")
{
long idx = sa = words[4];
--idx;
if (idx >= (long)img.boxes.size())
throw dlib::error("Invalid object id number of " + words[4]);
if (words[0] == "Center" && words[1] == "point" && words.size() > 9)
{
const long x = sa = words[8];
const long y = sa = words[9];
img.boxes[idx].parts["head"] = point(x,y);
}
else if (words[0] == "Bounding" && words[1] == "box" && words.size() > 13)
{
rectangle rect;
img.boxes[idx].rect.left() = sa = words[10];
img.boxes[idx].rect.top() = sa = words[11];
img.boxes[idx].rect.right() = sa = words[12];
img.boxes[idx].rect.bottom() = sa = words[13];
}
else if (words[0] == "Original" && words[1] == "label" && words.size() > 6)
{
img.boxes[idx].label = words[6];
}
}
}
}
}
// ----------------------------------------------------------------------------------------
std::string figure_out_full_path_to_image (
const std::string& annotation_file,
const std::string& image_name
)
{
directory parent = get_parent_directory(file(annotation_file));
string temp;
while (true)
{
if (parent.is_root())
temp = parent.full_name() + image_name;
else
temp = parent.full_name() + directory::get_separator() + image_name;
if (file_exists(temp))
return temp;
if (parent.is_root())
throw dlib::error("Can't figure out where the file " + image_name + " is located.");
parent = get_parent_directory(parent);
}
}
// ----------------------------------------------------------------------------------------
}
void convert_pascal_v1(
const command_line_parser& parser
)
{
cout << "Convert from PASCAL v1.00 annotation format..." << endl;
dlib::image_dataset_metadata::dataset dataset;
std::string name;
dlib::image_dataset_metadata::image img;
const std::string filename = parser.option("c").argument();
// make sure the file exists so we can use the get_parent_directory() command to
// figure out it's parent directory.
make_empty_file(filename);
const std::string parent_dir = get_parent_directory(file(filename)).full_name();
for (unsigned long i = 0; i < parser.number_of_arguments(); ++i)
{
try
{
parse_annotation_file(parser[i], img, name);
dataset.name = name;
img.filename = strip_path(figure_out_full_path_to_image(parser[i], img.filename), parent_dir);
dataset.images.push_back(img);
}
catch (exception& )
{
cout << "Error while processing file " << parser[i] << endl << endl;
throw;
}
}
save_image_dataset_metadata(dataset, filename);
}