code cleanup, started report, new verbose option
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				| @ -17,6 +17,7 @@ conan_basic_setup() | ||||
| enable_cxx_compiler_flag_if_supported("-Wall") | ||||
| enable_cxx_compiler_flag_if_supported("-pedantic") | ||||
| enable_cxx_compiler_flag_if_supported("-O3") | ||||
| enable_cxx_compiler_flag_if_supported("-flto") | ||||
| 
 | ||||
| # include_directories(<PUBLIC HEADER DIRECTORIES>) | ||||
| set(TGT genetic-image) | ||||
|  | ||||
							
								
								
									
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							| @ -53,7 +53,7 @@ use it, first install clang-7 and lldb 7, then run this: | ||||
|   conan profile new default --detect | ||||
|   conan profile update settings.compiler=clang default | ||||
|   conan profile update settings.compiler.version=7.0 default | ||||
|   conan profile update settings.compiler.libcxx=libstdc++ default | ||||
|   conan profile update settings.compiler.libcxx=libstdc++11 default | ||||
|   conan profile update env.CC=/bin/clang default | ||||
|   conan profile update env.CXX=/bin/clang++ default | ||||
| #+end_src | ||||
| @ -65,7 +65,7 @@ Then, To build and run the program, go to the root of the project and run this: | ||||
| #+begin_src shell | ||||
|   mkdir build && cd build | ||||
|   conan install .. --build missing | ||||
|   cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ .. -G Ninja | ||||
|   cmake -DCMAKE_CXX_COMPILER=clang++ .. -G Ninja | ||||
|   cmake --build . | ||||
| #+end_src | ||||
| If you want to use another profile than your default one, you should run the | ||||
| @ -74,6 +74,15 @@ following line instead of the second line: | ||||
|   conan install .. --build missing --profile <your_profile> | ||||
| #+end_src | ||||
| 
 | ||||
| If you do not wish to build your project with Ninja but with another generator, | ||||
| such as Unix Makefiles, simply replace ~Ninja~ in the second to last ~cmake~ | ||||
| command with the name of your generator. For instance: | ||||
| #+begin_src shell | ||||
|   cmake -DCMAKE_CXX_COMPILER=clang++ .. -G "Unix Makefiles" | ||||
| #+end_src | ||||
| You can still build your project by running ~cmake --build .~ or by running | ||||
| ~make~ manually. | ||||
| 
 | ||||
| This project was built and tested using clang-7, lldb and gdb on Void Linux | ||||
| (kernel 4.19) and Arch Linux (kernel 5.0). | ||||
| 
 | ||||
|  | ||||
							
								
								
									
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							| @ -0,0 +1,5 @@ | ||||
| # Ignore everything in this directory | ||||
| * | ||||
| # Except this file | ||||
| !.gitignore | ||||
| !Doxyfile | ||||
							
								
								
									
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							| After Width: | Height: | Size: 68 KiB | 
| @ -5,13 +5,10 @@ | ||||
| #include <opencv2/highgui/highgui.hpp> | ||||
| #include <spdlog/spdlog.h> | ||||
| #include <string> | ||||
| #include <tuple> | ||||
| #include <random> | ||||
| #include <utility> | ||||
| 
 | ||||
| std::tuple<cv::Mat, cv::Mat> init_image(std::string const &); | ||||
| std::pair<cv::Mat, cv::Mat> init_image(std::string const &); | ||||
| 
 | ||||
| double euclidian_distance(cv::Mat const &, cv::Mat const &); | ||||
| 
 | ||||
| cv::Scalar random_color(std::mt19937 &); | ||||
| 
 | ||||
| #endif /* GENETIC_IMAGE_INCLUDE_GENIMG_COMMON_HH_ */ | ||||
|  | ||||
| @ -1,5 +1,5 @@ | ||||
| #ifndef GENETIC_IMAGE_INCLUDE_GENIMG_METHOD1_METHOD1_HH_ | ||||
| #define GENETIC_IMAGE_INCLUDE_GENIMG_METHOD1_METHOD1_HH_ | ||||
| #ifndef GENETIC_IMAGE_INCLUDE_GENIMG_METHODS_HH_ | ||||
| #define GENETIC_IMAGE_INCLUDE_GENIMG_METHODS_HH_ | ||||
| 
 | ||||
| #include <opencv2/core/core.hpp> | ||||
| #include <opencv2/highgui/highgui.hpp> | ||||
| @ -12,4 +12,4 @@ void method1(cv::Mat &t_reference, cv::Mat &t_output, int t_iterations, | ||||
| void method2(cv::Mat &t_reference, cv::Mat &t_output, int t_iterations, | ||||
|              std::mt19937 &t_gen); | ||||
| 
 | ||||
| #endif /* GENETIC_IMAGE_INCLUDE_GENIMG_METHOD1_METHOD1_HH_ */ | ||||
| #endif /* GENETIC_IMAGE_INCLUDE_GENIMG_METHODS_HH_ */ | ||||
| @ -2,10 +2,9 @@ | ||||
| #define GENETIC_IMAGE_INCLUDE_GENIMG_PARSEARGS_HH_ | ||||
| 
 | ||||
| #include <filesystem> | ||||
| #include <string> | ||||
| #include <tuple> | ||||
| 
 | ||||
| std::tuple<std::filesystem::path, std::filesystem::path, bool, int, int> | ||||
| std::tuple<std::filesystem::path, std::filesystem::path, bool, int, int, bool> | ||||
| parse_args(int, char **); | ||||
| 
 | ||||
| #endif /* GENETIC_IMAGE_INCLUDE_GENIMG_PARSEARGS_HH_ */ | ||||
|  | ||||
							
								
								
									
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							| @ -0,0 +1,3 @@ | ||||
| auto/ | ||||
| _minted*/ | ||||
| *.tex | ||||
							
								
								
									
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							| @ -0,0 +1,91 @@ | ||||
| #+TITLE: Création d’images par algorithme génétique avec référence | ||||
| #+SUBTITLE: Rapport de projet | ||||
| #+AUTHOR: Lucien Cartier-Tilet | ||||
| #+EMAIL: phundrak@phundrak.fr | ||||
| #+CREATOR: Lucien Cartier-Tilet | ||||
| #+LANGUAGE: fr | ||||
| #+LATEX_CLASS: article | ||||
| #+LaTeX_CLASS_OPTIONS: [a4paper,twoside] | ||||
| #+LATEX_HEADER: \usepackage{xltxtra,fontspec,xunicode}\usepackage[total={6.5in,9.5in}]{geometry}\setromanfont[Numbers=Lowercase]{Charis SIL} | ||||
| #+LATEX_HEADER: \usepackage{xcolor} \usepackage{hyperref} | ||||
| #+LATEX_HEADER: \hypersetup{colorlinks=true,linkbordercolor=red,linkcolor=blue,pdfborderstyle={/S/U/W 1}} | ||||
| #+STARTUP: latexpreview | ||||
| 
 | ||||
| * Sujet | ||||
| 
 | ||||
| Le sujet de ce projet est la création d’un logiciel pouvant recréer une image | ||||
| fournie grâce à des générations aléatoires et successives de formes aux, | ||||
| positions, couleurs et taille aléatoires. L’algorithme commence par créer une | ||||
| image vide aux dimensions identiques à l’image de référence, puis applique une | ||||
| de ces formes aléatoires. Si la ressemblance de l’image ainsi générée augmente | ||||
| par rapport à sa version précédente par rapport à l’image de référence, alors | ||||
| cette modification est conservée, sinon elle est annulée. Répéter jusqu’à | ||||
| satisfaction. | ||||
| 
 | ||||
| * Les méthodes utilisées | ||||
| 
 | ||||
| Plusieurs approches au problème sont possibles, allant de la simple | ||||
| implémentation naïve du problème à des moyen pouvant au moins décupler la | ||||
| vitesse de génération de l’image. Sauf indication contraire, j’ai utilisé dans | ||||
| l’implémentation de chaque méthode des carrés comme forme d’éléments appliqués | ||||
| aléatoirement à l’image. | ||||
| 
 | ||||
| Pour évaluer la ressemblance entre deux image, j’évalue une distance euclidienne | ||||
| entre le vecteur de leurs pixels qui peut se résumer à ceci : | ||||
| #+begin_export latex | ||||
| $$\sqrt{\sum_{i=0}^{n} V_{i}^{2}+W_{i}^{2}}$$ | ||||
| #+end_export | ||||
| ~V~ étant le vecteur de pixels de l’image de référence, ~W~ étant le vecteur de | ||||
| pixels de l’image générée, et ~n~ la taille de ces deux vecteurs. | ||||
| 
 | ||||
| Les tests de temps sont réalisés sur un Thinkpad x220, disposant d’un processeur | ||||
| Intel® Core™ i5-2540M à 2.6GHz, composé de deux cœurs supportant chacun deux | ||||
| threads, et de 4Go de RAM. Le programme est compilé avec les options | ||||
| d’optimisation ~-O3~ et ~-flto~. | ||||
| 
 | ||||
| Voici également ci-dessous la liste des options et arguments possibles | ||||
| concernant l’exécution du logiciel. | ||||
| #+begin_src text | ||||
| $ ./bin/genetic-image -h | ||||
| Allowed options: | ||||
|   -h [ --help ]           Display this help message | ||||
|   -i [ --input ] arg      Input image | ||||
|   -o [ --output ] arg     Image or video output path (default: input path + | ||||
|                           "_output") | ||||
|   -m [ --method ] arg     Method number to be used (default: 1) | ||||
|   -n [ --iterations ] arg Number of iterations (default: 5000) | ||||
|   -v [ --video ]          Enable video output | ||||
| #+end_src | ||||
| 
 | ||||
| ** Méthode naïve | ||||
| 
 | ||||
| J’ai tout d’abord implémenté la méthode naïve afin d’avoir une référence en | ||||
| matière de temps. Cette dernière est implémentée dans ~src/methods.cc~ avec la | ||||
| fonction ~method1()~. Comme ce à quoi je m’attendais, cette méthode de | ||||
| génération d’images est très lente, principalement dû au fait que l’algorithme | ||||
| en l’état essaiera d’appliquer des couleurs n’existant pas dans l’image de | ||||
| référence, voire complètement à l’opposées de la palette de couleurs de l’image | ||||
| de référence. | ||||
| 
 | ||||
| Voici la ligne de commande utilisée depuis le répertoire ~build~ afin de pouvoir | ||||
| obtenir un temps d’exécution : | ||||
| #+begin_src shell | ||||
|   perf stat -r nombreDExécutions -B ./bin/genetic-image \ | ||||
|        -i ../img/mahakala-monochrome.jpg -o output.png -n 200 -m 1 | ||||
| #+end_src | ||||
| 
 | ||||
| |                            / |                   < | <                       | | ||||
| | nombre d’itérations réussies | nombre d’exécutions | temps d’exécution moyen | | ||||
| |------------------------------+---------------------+-------------------------| | ||||
| |                           10 |                 100 | 0.09447s (±0.02%)       | | ||||
| |                           50 |                 100 | 1.1331s (±2.85%)        | | ||||
| |                          100 |                  50 |                         | | ||||
| |                          200 |                  20 |                         | | ||||
| |                          500 |                  10 |                         | | ||||
| |                         1000 |                   5 |                         | | ||||
| 
 | ||||
| Naturellement, la variation en temps d’exécution croît en même temps que le | ||||
| nombre d’améliorations nécessaires à apporter à l’image à améliorer, dû à la | ||||
| nature aléatoire de l’algorithme. Cependant, on constate également une | ||||
| croissance importante du temps d’exécution suivant également ce nombre | ||||
| d’itérations réussies. | ||||
							
								
								
									
										
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							| @ -3,18 +3,18 @@ | ||||
| #include <cmath> | ||||
| #include <cstdlib> | ||||
| 
 | ||||
| std::tuple<cv::Mat, cv::Mat> init_image(std::string const &t_input_file) { | ||||
| std::pair<cv::Mat, cv::Mat> init_image(std::string const &t_input_file) { | ||||
|   cv::Mat input_image = cv::imread(t_input_file, cv::IMREAD_COLOR); | ||||
|   if (!input_image.data) { | ||||
|     spdlog::critical("Could not open or find image!\n"); | ||||
|     exit(-1); | ||||
|   } | ||||
|   spdlog::info("Image loaded!"); | ||||
|   spdlog::info("Width:\t\t{}", input_image.size().width); | ||||
|   spdlog::info("Height:\t{}", input_image.size().height); | ||||
|   spdlog::debug("Image loaded!"); | ||||
|   spdlog::debug("Width:\t\t{}", input_image.size().width); | ||||
|   spdlog::debug("Height:\t{}", input_image.size().height); | ||||
|   cv::Mat process_image(input_image.size().height, input_image.size().width, | ||||
|                         CV_8UC3, cv::Scalar(0, 0, 0)); | ||||
|   return std::make_tuple(std::move(input_image), process_image); | ||||
|   return std::make_pair(std::move(input_image), process_image); | ||||
| } | ||||
| 
 | ||||
| double euclidian_distance(cv::Mat const &t_img1, cv::Mat const &t_img2) { | ||||
| @ -28,8 +28,3 @@ double euclidian_distance(cv::Mat const &t_img1, cv::Mat const &t_img2) { | ||||
|   euclidian = std::sqrt(euclidian); | ||||
|   return euclidian; | ||||
| } | ||||
| 
 | ||||
| cv::Scalar random_color(std::mt19937 &t_gen) { | ||||
|   static std::uniform_int_distribution<> dis(0, 255); | ||||
|   return cv::Scalar(dis(t_gen), dis(t_gen), dis(t_gen)); | ||||
| } | ||||
|  | ||||
							
								
								
									
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							| @ -1,14 +1,16 @@ | ||||
| #include "common.hh" | ||||
| #include "method1.hh" | ||||
| #include "methods.hh" | ||||
| #include "parseargs.hh" | ||||
| #include <iostream> | ||||
| 
 | ||||
| int main(int ac, char **av) { | ||||
|   auto const [input_file, output_file, video_output, iterations, method] = | ||||
|       parse_args(ac, av); | ||||
|   spdlog::info("Input file:\t{}", input_file.native()); | ||||
|   spdlog::info("Output file:\t{}", output_file.native()); | ||||
|   spdlog::info("Video output:\t{}", video_output); | ||||
|   spdlog::info("Iterations:\t{}", iterations); | ||||
|   auto const [input_file, output_file, video_output, iterations, method, | ||||
|               verbose] = parse_args(ac, av); | ||||
|   spdlog::set_level(verbose ? spdlog::level::debug : spdlog::level::info); | ||||
|   spdlog::debug("Input file:\t{}", input_file.native()); | ||||
|   spdlog::debug("Output file:\t{}", output_file.native()); | ||||
|   spdlog::debug("Video output:\t{}", video_output); | ||||
|   spdlog::debug("Iterations:\t{}", iterations); | ||||
|   auto [input_image, process_image] = init_image(input_file.native()); | ||||
|   std::random_device rd; | ||||
|   std::mt19937 gen(rd()); | ||||
|  | ||||
| @ -1,4 +1,4 @@ | ||||
| #include "method1.hh" | ||||
| #include "methods.hh" | ||||
| #include "common.hh" | ||||
| #include "drawing.hh" | ||||
| #include <algorithm> | ||||
| @ -13,34 +13,21 @@ using randint = std::uniform_int_distribution<>; | ||||
| using Color = std::array<uchar, 3>; | ||||
| using ColorSet = std::vector<Color>; | ||||
| 
 | ||||
| namespace methods_private { | ||||
| 
 | ||||
| cv::Scalar randomColor(std::mt19937 &t_gen) { | ||||
|   static std::uniform_int_distribution<> dis(0, 255); | ||||
|   return cv::Scalar(dis(t_gen), dis(t_gen), dis(t_gen)); | ||||
| } | ||||
| 
 | ||||
| void newSquare1(cv::Mat &t_process_img, std::mt19937 &t_gen, | ||||
|                 randint &t_rand_pos) { | ||||
|   const int square_size = t_rand_pos(t_gen); | ||||
|   auto square_top_left = cv::Point{t_rand_pos(t_gen), t_rand_pos(t_gen)}; | ||||
|   draw_shape(t_process_img, square_top_left, square_size, random_color(t_gen), | ||||
|   draw_shape(t_process_img, square_top_left, square_size, randomColor(t_gen), | ||||
|              Shapes::Square); | ||||
| } | ||||
| 
 | ||||
| void method1(cv::Mat &t_reference, cv::Mat &t_output, int t_iterations, | ||||
|              std::mt19937 &t_gen) { | ||||
|   auto diff = euclidian_distance(t_reference, t_output); | ||||
|   auto const max_size = | ||||
|       std::max(t_reference.size().width, t_reference.size().height); | ||||
|   randint dist(0, max_size); | ||||
|   spdlog::info("Beginning method1, initial difference: {}", diff); | ||||
|   while (t_iterations > 0) { | ||||
|     auto temp_image = t_output.clone(); | ||||
|     newSquare1(temp_image, t_gen, dist); | ||||
|     if (auto new_diff = euclidian_distance(t_reference, temp_image); | ||||
|         new_diff < diff) { | ||||
|       diff = new_diff; | ||||
|       temp_image.copyTo(t_output); | ||||
|       --t_iterations; | ||||
|       spdlog::info("Iteration {}: diff {}", t_iterations, diff); | ||||
|     } | ||||
|   } | ||||
| } | ||||
| 
 | ||||
| void threadedGetColor(cv::Mat &t_reference, ColorSet &t_colors, int t_h) { | ||||
|   if (t_h > t_reference.size().height) | ||||
|     return; | ||||
| @ -62,8 +49,9 @@ ColorSet getColorSet(cv::Mat &t_reference) { | ||||
|   for (int h = 0; h < t_reference.size().height; h += thread_nbr) { | ||||
|     std::vector<std::thread> thread_list{}; | ||||
|     for (int i = 0; i < thread_nbr; ++i) { | ||||
|       thread_list.push_back(std::thread(threadedGetColor, std::ref(t_reference), | ||||
|                                         std::ref(res), h + i)); | ||||
|       thread_list.push_back(std::thread(methods_private::threadedGetColor, | ||||
|                                         std::ref(t_reference), std::ref(res), | ||||
|                                         h + i)); | ||||
|     } | ||||
|     for (auto &th : thread_list) | ||||
|       th.join(); | ||||
| @ -85,26 +73,48 @@ void newSquare2(cv::Mat &t_process_img, std::mt19937 &t_gen, | ||||
|              Shapes::Square); | ||||
| } | ||||
| 
 | ||||
| } // namespace methods_private
 | ||||
| 
 | ||||
| void method1(cv::Mat &t_reference, cv::Mat &t_output, int t_iterations, | ||||
|              std::mt19937 &t_gen) { | ||||
|   auto diff = euclidian_distance(t_reference, t_output); | ||||
|   auto const max_size = | ||||
|       std::max(t_reference.size().width, t_reference.size().height); | ||||
|   randint dist(0, max_size); | ||||
|   spdlog::debug("Beginning method1, initial difference: {}", diff); | ||||
|   while (t_iterations > 0) { | ||||
|     auto temp_image = t_output.clone(); | ||||
|     methods_private::newSquare1(temp_image, t_gen, dist); | ||||
|     if (auto new_diff = euclidian_distance(t_reference, temp_image); | ||||
|         new_diff < diff) { | ||||
|       diff = new_diff; | ||||
|       temp_image.copyTo(t_output); | ||||
|       --t_iterations; | ||||
|       spdlog::debug("Iteration {}: diff {}", t_iterations, diff); | ||||
|     } | ||||
|   } | ||||
| } | ||||
| 
 | ||||
| void method2(cv::Mat &t_reference, cv::Mat &t_output, int t_iterations, | ||||
|              std::mt19937 &t_gen) { | ||||
|   auto diff = euclidian_distance(t_reference, t_output); | ||||
|   auto const max_size = | ||||
|       std::max(t_reference.size().width, t_reference.size().height); | ||||
|   randint dist(0, max_size); | ||||
|   spdlog::info("Beginning method2, initial difference: {}", diff); | ||||
|   auto const colors = getColorSet(t_reference); | ||||
|   spdlog::info("Running {} threads.", thread_nbr); | ||||
|   spdlog::info("{} colors detected.", colors.size()); | ||||
|   spdlog::debug("Beginning method2, initial difference: {}", diff); | ||||
|   auto const colors = methods_private::getColorSet(t_reference); | ||||
|   spdlog::debug("Running {} threads.", thread_nbr); | ||||
|   spdlog::debug("{} colors detected.", colors.size()); | ||||
|   randint rand_color(0, colors.size()); | ||||
|   while (t_iterations > 0) { | ||||
|     auto temp_image = t_output.clone(); | ||||
|     newSquare2(temp_image, t_gen, colors, dist, rand_color); | ||||
|     methods_private::newSquare2(temp_image, t_gen, colors, dist, rand_color); | ||||
|     if (auto new_diff = euclidian_distance(t_reference, temp_image); | ||||
|         new_diff < diff) { | ||||
|       diff = new_diff; | ||||
|       temp_image.copyTo(t_output); | ||||
|       --t_iterations; | ||||
|       spdlog::info("Iteration {}: diff {}", t_iterations, diff); | ||||
|       spdlog::debug("Iteration {}: diff {}", t_iterations, diff); | ||||
|     } | ||||
|   } | ||||
| } | ||||
| @ -21,7 +21,7 @@ void processFilenames(po::variables_map const &vm, path const &t_input, | ||||
|   } | ||||
| } | ||||
| 
 | ||||
| std::tuple<path, path, bool, int, int> parse_args(int t_ac, char **t_av) { | ||||
| std::tuple<path, path, bool, int, int, bool> parse_args(int t_ac, char **t_av) { | ||||
|   po::options_description desc("Allowed options"); | ||||
|   desc.add_options() | ||||
|       ("help,h", "Display this help message") | ||||
| @ -30,7 +30,8 @@ std::tuple<path, path, bool, int, int> parse_args(int t_ac, char **t_av) { | ||||
|        "Image or video output path (default: input path + \"_output\")") | ||||
|       ("method,m", po::value<int>(), "Method number to be used (default: 1)") | ||||
|       ("iterations,n", po::value<int>(), "Number of iterations (default: 5000)") | ||||
|       ("video,v", "Enable video output"); | ||||
|       ("video,V", "Enable video output") | ||||
|       ("verbose,v", "Enables verbosity"); | ||||
|   po::variables_map vm; | ||||
|   po::store(po::parse_command_line(t_ac, t_av, desc), vm); | ||||
|   po::notify(vm); | ||||
| @ -49,5 +50,6 @@ std::tuple<path, path, bool, int, int> parse_args(int t_ac, char **t_av) { | ||||
|       output_path, | ||||
|       vm.count("video") ? true : false, | ||||
|       vm.count("iterations") ? vm["iterations"].as<int>() : DEFAULT_ITERATIONS, | ||||
|       vm.count("method") ? vm["method"].as<int>() : 1); | ||||
|       vm.count("method") ? vm["method"].as<int>() : 1, | ||||
|       vm.count("verbose") ? true : false); | ||||
| } | ||||
|  | ||||
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