Added a converter for pascal v1.00 annotation files.

tools/imglab/CMakeLists.txt

@@ -20,6 +20,8 @@ ADD_EXECUTABLE(${target_name}
    src/metadata_editor.cpp
    src/convert_pascal_voc.h
    src/convert_pascal_voc.cpp
+   src/convert_pascal_v1.h
+   src/convert_pascal_v1.cpp
    src/common.h
    src/common.cpp
 )

tools/imglab/src/convert_pascal_v1.cpp

+
+#include "convert_pascal_v1.h"
+#include "image_dataset_metadata.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[3] == "object")
+                {
+                    int idx = sa = words[4];
+                    --idx;
+                    if (idx >= img.boxes.size())
+                        throw dlib::error("Invalid object id number of " + words[4]);
+
+                    if (words[0] == "Center" && words[1] == "point" && words.size() > 9)
+                    {
+                        img.boxes[idx].head.x() = sa = words[8];
+                        img.boxes[idx].head.y() = sa = words[9];
+                    }
+                    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 parser_type& 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& e)
+        {
+            cout << "Error while processing file " << parser[i] << endl << endl;
+            throw;
+        }
+    }
+
+    save_image_dataset_metadata(dataset, filename);
+}
+
+

tools/imglab/src/convert_pascal_v1.h

+// Copyright (C) 2011  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_IMGLAB_CONVERT_PASCAl_V1_H__
+#define DLIB_IMGLAB_CONVERT_PASCAl_V1_H__
+
+#include "common.h"
+
+void convert_pascal_v1(const parser_type& parser);
+
+#endif // DLIB_IMGLAB_CONVERT_PASCAl_V1_H__
+
+

tools/imglab/src/main.cpp

@@ -2,6 +2,7 @@
 #include "image_dataset_metadata.h"
 #include "metadata_editor.h"
 #include "convert_pascal_voc.h"
+#include "convert_pascal_v1.h"
 
 #include <iostream>
 #include <fstream>
@@ -124,7 +125,7 @@ int main(int argc, char** argv)
         parser.add_option("rename", "Rename all labels of <arg1> to <arg2>.",2);
         parser.add_option("v","Display version.");
         parser.add_option("convert","Convert foreign image Annotations from <arg> format to the imglab format. "
-                          "Supported formats: pascal-voc",1);
+                          "Supported formats: pascal-voc, pascal-v1",1);
 
         parser.parse(argc, argv);
 
@@ -137,7 +138,7 @@ int main(int argc, char** argv)
         parser.check_incompatible_options("l", "rename");
         parser.check_incompatible_options("convert", "l");
         parser.check_incompatible_options("convert", "rename");
-        const char* convert_args[] = {"pascal-voc"};
+        const char* convert_args[] = {"pascal-voc","pascal-v1"};
         parser.check_option_arg_range("convert", convert_args);
 
         if (parser.option("h"))
@@ -162,9 +163,9 @@ int main(int argc, char** argv)
             if (parser.option("convert"))
             {
                 if (parser.option("convert").argument() == "pascal-voc")
-                {
                     convert_pascal_voc(parser);
-                }
+                else if (parser.option("convert").argument() == "pascal-v1")
+                    convert_pascal_v1(parser);
             }
             else
             {