示例#1
0
        private static void label_classifier(string datacfg, string filename, string weightfile)
        {
            int     i;
            Network net = Parser.parse_network_cfg(filename);

            Network.set_batch_network(net, 1);
            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }


            var options = OptionList.read_data_cfg(datacfg);

            string labelList = OptionList.option_find_str(options, "names", "Data.Data/labels.list");
            string testList  = OptionList.option_find_str(options, "test", "Data.Data/train.list");
            int    classes   = OptionList.option_find_int(options, "classes", 2);

            string[] labels = Data.Data.get_labels(labelList);

            string[] paths = Data.Data.GetPaths(testList);
            int      m     = paths.Length;

            for (i = 0; i < m; ++i)
            {
                Image   im      = LoadArgs.load_image_color(paths[i], 0, 0);
                Image   resized = LoadArgs.resize_min(im, net.W);
                Image   crop    = LoadArgs.crop_image(resized, (resized.W - net.W) / 2, (resized.H - net.H) / 2, net.W, net.H);
                float[] pred    = Network.network_predict(net, crop.Data);

                int ind = Utils.max_index(pred, classes);

                Console.Write($"%s\n", labels[ind]);
            }
        }
示例#2
0
        public static void predict_classifier(string datacfg, string cfgfile, string weightfile, string filename, int top)
        {
            Network net = Parser.parse_network_cfg(cfgfile);

            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }
            Network.set_batch_network(net, 1);
            Utils.Rand = new Random(2222222);

            var options = OptionList.read_data_cfg(datacfg);

            string nameList = OptionList.option_find_str(options, "names", "");

            if (string.IsNullOrEmpty(nameList))
            {
                nameList = OptionList.option_find_str(options, "labels", "Data.Data/labels.list");
            }
            if (top == 0)
            {
                top = OptionList.option_find_int(options, "top", 1);
            }

            int i = 0;

            string[] names = Data.Data.get_labels(nameList);
            var      sw    = new Stopwatch();

            int[] indexes = new int[top];

            string input = "";
            int    size  = net.W;

            while (true)
            {
                if (!string.IsNullOrEmpty(filename))
                {
                    input = filename;
                }
                else
                {
                    Console.Write($"Enter Image Path: ");

                    input = Console.ReadLine();
                    if (string.IsNullOrEmpty(input))
                    {
                        return;
                    }
                    input = input.TrimEnd();
                }
                Image im = LoadArgs.load_image_color(input, 0, 0);
                Image r  = LoadArgs.resize_min(im, size);
                Network.resize_network(net, r.W, r.H);
                Console.Write($"%d %d\n", r.W, r.H);

                float[] x = r.Data;
                sw.Reset();
                sw.Start();
                float[] predictions = Network.network_predict(net, x);
                if (net.Hierarchy != null)
                {
                    net.Hierarchy.Hierarchy_predictions(predictions, 0, net.Outputs, false);
                }
                Utils.top_k(predictions, net.Outputs, top, indexes);
                sw.Stop();
                Console.Write($"%s: Predicted ini %f seconds.\n", input, sw.Elapsed.Seconds);
                for (i = 0; i < top; ++i)
                {
                    int index = indexes[i];
                    if (net.Hierarchy != null)
                    {
                        Console.Write($"%d, %s: %f, parent: %s \n", index, names[index], predictions[index], (net.Hierarchy.Parent[index] >= 0) ? names[net.Hierarchy.Parent[index]] : "Root");
                    }
                    else
                    {
                        Console.Write($"%s: %f\n", names[index], predictions[index]);
                    }
                }
                if (!string.IsNullOrEmpty(filename))
                {
                    break;
                }
            }
        }
示例#3
0
        private static void try_classifier(string datacfg, string cfgfile, string weightfile, string filename, int layerNum)
        {
            Network net = Parser.parse_network_cfg(cfgfile);

            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }
            Network.set_batch_network(net, 1);
            Utils.Rand = new Random(2222222);

            var options = OptionList.read_data_cfg(datacfg);

            string nameList = OptionList.option_find_str(options, "names", "");

            if (string.IsNullOrEmpty(nameList))
            {
                nameList = OptionList.option_find_str(options, "labels", "Data.Data/labels.list");
            }
            int top = OptionList.option_find_int(options, "top", 1);

            int i = 0;

            string[] names = Data.Data.get_labels(nameList);
            var      sw    = new Stopwatch();

            int[] indexes = new int[top];

            string input = "";

            while (true)
            {
                if (!string.IsNullOrEmpty(filename))
                {
                    input = filename;
                }
                else
                {
                    Console.Write($"Enter Image Path: ");

                    input = Console.ReadLine();
                    if (string.IsNullOrEmpty(input))
                    {
                        return;
                    }
                    input = input.TrimEnd();
                }
                Image   orig = LoadArgs.load_image_color(input, 0, 0);
                Image   r    = LoadArgs.resize_min(orig, 256);
                Image   im   = LoadArgs.crop_image(r, (r.W - 224 - 1) / 2 + 1, (r.H - 224 - 1) / 2 + 1, 224, 224);
                float[] mean = { 0.48263312050943f, 0.45230225481413f, 0.40099074308742f };
                float[] std  = { 0.22590347483426f, 0.22120921437787f, 0.22103996251583f };
                float[] var  = new float[3];
                var[0] = std[0] * std[0];
                var[1] = std[1] * std[1];
                var[2] = std[2] * std[2];

                Blas.Normalize_cpu(im.Data, mean, var, 1, 3, im.W * im.H);

                float[] x = im.Data;
                sw.Reset();
                sw.Start();
                float[] predictions = Network.network_predict(net, x);

                Layer l = net.Layers[layerNum];
                for (i = 0; i < l.C; ++i)
                {
                    if (l.RollingMean.Length > i)
                    {
                        Console.Write($"%f %f %f\n", l.RollingMean[i], l.RollingVariance[i], l.Scales[i]);
                    }
                }
                Array.Copy(l.OutputGpu, l.Output, l.Outputs);
                for (i = 0; i < l.Outputs; ++i)
                {
                    Console.Write($"%f\n", l.Output[i]);
                }

                Network.top_predictions(net, top, indexes);
                sw.Stop();
                Console.Write($"%s: Predicted ini %f seconds.\n", input, sw.Elapsed.Seconds);
                for (i = 0; i < top; ++i)
                {
                    int index = indexes[i];
                    Console.Write($"%s: %f\n", names[index], predictions[index]);
                }
                if (!string.IsNullOrEmpty(filename))
                {
                    break;
                }
            }
        }
示例#4
0
        private static void validate_classifier_multi(string datacfg, string filename, string weightfile)
        {
            int     i, j;
            Network net = Parser.parse_network_cfg(filename);

            Network.set_batch_network(net, 1);
            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }


            var options = OptionList.read_data_cfg(datacfg);

            string labelList = OptionList.option_find_str(options, "labels", "Data.Data/labels.list");
            string validList = OptionList.option_find_str(options, "valid", "Data.Data/train.list");
            int    classes   = OptionList.option_find_int(options, "classes", 2);
            int    topk      = OptionList.option_find_int(options, "top", 1);

            string[] labels  = Data.Data.get_labels(labelList);
            int[]    scales  = { 224, 288, 320, 352, 384 };
            int      nscales = scales.Length;

            string[] paths = Data.Data.GetPaths(validList);
            int      m     = paths.Length;

            float avgAcc  = 0;
            float avgTopk = 0;

            int[] indexes = new int[topk];

            for (i = 0; i < m; ++i)
            {
                int    class2 = -1;
                string path   = paths[i];
                for (j = 0; j < classes; ++j)
                {
                    if (path.Contains(labels[j]))
                    {
                        class2 = j;
                        break;
                    }
                }
                float[] pred = new float[classes];
                Image   im   = LoadArgs.load_image_color(paths[i], 0, 0);
                for (j = 0; j < nscales; ++j)
                {
                    Image r = LoadArgs.resize_min(im, scales[j]);
                    Network.resize_network(net, r.W, r.H);
                    float[] p = Network.network_predict(net, r.Data);
                    if (net.Hierarchy != null)
                    {
                        net.Hierarchy.Hierarchy_predictions(p, 0, net.Outputs, true);
                    }
                    Blas.Axpy_cpu(classes, 1, p, pred);
                    LoadArgs.flip_image(r);
                    p = Network.network_predict(net, r.Data);
                    Blas.Axpy_cpu(classes, 1, p, pred);
                }
                Utils.top_k(pred, classes, topk, indexes);
                if (indexes[0] == class2)
                {
                    avgAcc += 1;
                }
                for (j = 0; j < topk; ++j)
                {
                    if (indexes[j] == class2)
                    {
                        avgTopk += 1;
                    }
                }

                Console.Write($"%d: top 1: %f, top %d: %f\n", i, avgAcc / (i + 1), topk, avgTopk / (i + 1));
            }
        }
示例#5
0
        private static void validate_classifier_single(string datacfg, string filename, string weightfile)
        {
            int     i, j;
            Network net = Parser.parse_network_cfg(filename);

            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }
            Network.set_batch_network(net, 1);


            var options = OptionList.read_data_cfg(datacfg);

            string labelList = OptionList.option_find_str(options, "labels", "Data.Data/labels.list");
            string leafList  = OptionList.option_find_str(options, "leaves", "");

            if (!string.IsNullOrEmpty(leafList))
            {
                net.Hierarchy.Change_leaves(leafList);
            }
            string validList = OptionList.option_find_str(options, "valid", "Data.Data/train.list");
            int    classes   = OptionList.option_find_int(options, "classes", 2);
            int    topk      = OptionList.option_find_int(options, "top", 1);

            string[] labels = Data.Data.get_labels(labelList);

            string[] paths = Data.Data.GetPaths(validList);
            int      m     = paths.Length;

            float avgAcc  = 0;
            float avgTopk = 0;

            int[] indexes = new int[topk];

            for (i = 0; i < m; ++i)
            {
                int    class2 = -1;
                string path   = paths[i];
                for (j = 0; j < classes; ++j)
                {
                    if (path.Contains(labels[j]))
                    {
                        class2 = j;
                        break;
                    }
                }
                Image   im      = LoadArgs.load_image_color(paths[i], 0, 0);
                Image   resized = LoadArgs.resize_min(im, net.W);
                Image   crop    = LoadArgs.crop_image(resized, (resized.W - net.W) / 2, (resized.H - net.H) / 2, net.W, net.H);
                float[] pred    = Network.network_predict(net, crop.Data);
                if (net.Hierarchy != null)
                {
                    net.Hierarchy.Hierarchy_predictions(pred, 0, net.Outputs, false);
                }

                Utils.top_k(pred, classes, topk, indexes);

                if (indexes[0] == class2)
                {
                    avgAcc += 1;
                }
                for (j = 0; j < topk; ++j)
                {
                    if (indexes[j] == class2)
                    {
                        avgTopk += 1;
                    }
                }

                Console.Write($"%d: top 1: %f, top %d: %f\n", i, avgAcc / (i + 1), topk, avgTopk / (i + 1));
            }
        }
示例#6
0
        private static void test_tag(string cfgfile, string weightfile, string filename)
        {
            Network net = Parser.parse_network_cfg(cfgfile);

            if (string.IsNullOrEmpty(weightfile))
            {
                Parser.load_weights(net, weightfile);
            }
            Network.set_batch_network(net, 1);
            Utils.Rand = new Random(2222222);
            int i = 0;

            string[] names = Data.Data.get_labels("Data.Data/tags.txt");
            var      sw    = new Stopwatch();

            int[] indexes = new int[10];

            string input = "";
            int    size  = net.W;

            while (true)
            {
                if (!string.IsNullOrEmpty(filename))
                {
                    input = filename;
                }
                else
                {
                    Console.Write($"Enter Image Path: ");

                    input = Console.ReadLine();
                    if (string.IsNullOrEmpty(input))
                    {
                        return;
                    }
                    input = input.TrimEnd();
                }
                Image im = LoadArgs.load_image_color(input, 0, 0);
                Image r  = LoadArgs.resize_min(im, size);
                Network.resize_network(net, r.W, r.H);
                Console.Write($"%d %d\n", r.W, r.H);

                float[] x = r.Data;

                sw.Reset();
                sw.Start();
                float[] predictions = Network.network_predict(net, x);
                Network.top_predictions(net, 10, indexes);
                sw.Stop();
                Console.Write($"%s: Predicted ini %f seconds.\n", input, sw.Elapsed.Seconds);
                for (i = 0; i < 10; ++i)
                {
                    int index = indexes[i];
                    Console.Write($"%.1f%%: %s\n", predictions[index] * 100, names[index]);
                }
                if (!string.IsNullOrEmpty(filename))
                {
                    break;
                }
            }
        }