Esempio n. 1
0
        private static void extract_voxel(string lfile, string rfile, string prefix)
        {
            int          w     = 1920;
            int          h     = 1080;
            int          shift = 0;
            int          count = 0;
            VideoCapture lcap  = new VideoCapture(lfile);
            VideoCapture rcap  = new VideoCapture(rfile);

            while (true)
            {
                Image l = LoadArgs.get_image_from_stream(lcap);
                Image r = LoadArgs.get_image_from_stream(rcap);
                if (l.W == 0 || r.W == 0)
                {
                    break;
                }
                if (count % 100 == 0)
                {
                    shift = LoadArgs.best_3d_shift_r(l, r, -l.H / 100, l.H / 100);
                    Console.Write($"{shift}\n");
                }
                Image  ls   = LoadArgs.crop_image(l, (l.W - w) / 2, (l.H - h) / 2, w, h);
                Image  rs   = LoadArgs.crop_image(r, 105 + (r.W - w) / 2, (r.H - h) / 2 + shift, w, h);
                string buff = $"{prefix}_{count:05}_l";
                LoadArgs.save_image(ls, buff);
                buff = $"{prefix}_{count:05}_r";
                LoadArgs.save_image(rs, buff);
                ++count;
            }
        }
Esempio n. 2
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        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]);
            }
        }
Esempio n. 3
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        private static void optimize_picture(Network net, Image orig, int maxLayer, float scale, float rate, float thresh, bool norm)
        {
            net.N = maxLayer + 1;

            int  dx   = Utils.Rand.Next() % 16 - 8;
            int  dy   = Utils.Rand.Next() % 16 - 8;
            bool flip = Utils.Rand.Next() % 2 != 0;

            Image crop = LoadArgs.crop_image(orig, dx, dy, orig.W, orig.H);
            Image im   = LoadArgs.resize_image(crop, (int)(orig.W * scale), (int)(orig.H * scale));

            if (flip)
            {
                LoadArgs.flip_image(im);
            }

            Network.resize_network(net, im.W, im.H);
            Layer last = net.Layers[net.N - 1];

            Image delta = new Image(im.W, im.H, im.C);

            NetworkState state = new NetworkState();

            state.Input = (float[])im.Data.Clone();
            state.Delta = (float[])im.Data.Clone();

            Network.forward_network_gpu(net, state);
            Blas.copy_ongpu(last.Outputs, last.OutputGpu, last.DeltaGpu);

            Array.Copy(last.DeltaGpu, last.Delta, last.Outputs);
            calculate_loss(last.Delta, last.Delta, last.Outputs, thresh);
            Array.Copy(last.Delta, last.DeltaGpu, last.Outputs);

            Network.backward_network_gpu(net, state);

            Array.Copy(state.Delta, delta.Data, im.W * im.H * im.C);


            if (flip)
            {
                LoadArgs.flip_image(delta);
            }

            Image resized = LoadArgs.resize_image(delta, orig.W, orig.H);
            Image outi    = LoadArgs.crop_image(resized, -dx, -dy, orig.W, orig.H);

            if (norm)
            {
                Utils.normalize_array(outi.Data, outi.W * outi.H * outi.C);
            }
            Blas.Axpy_cpu(orig.W * orig.H * orig.C, rate, outi.Data, orig.Data);

            LoadArgs.constrain_image(orig);
        }
Esempio n. 4
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        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;
                }
            }
        }
Esempio n. 5
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        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));
            }
        }
Esempio n. 6
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        private static void validate_classifier_10(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);

            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;
                    }
                }
                int     w      = net.W;
                int     h      = net.H;
                int     shift  = 32;
                Image   im     = LoadArgs.load_image_color(paths[i], w + shift, h + shift);
                Image[] images = new Image[10];
                images[0] = LoadArgs.crop_image(im, -shift, -shift, w, h);
                images[1] = LoadArgs.crop_image(im, shift, -shift, w, h);
                images[2] = LoadArgs.crop_image(im, 0, 0, w, h);
                images[3] = LoadArgs.crop_image(im, -shift, shift, w, h);
                images[4] = LoadArgs.crop_image(im, shift, shift, w, h);
                LoadArgs.flip_image(im);
                images[5] = LoadArgs.crop_image(im, -shift, -shift, w, h);
                images[6] = LoadArgs.crop_image(im, shift, -shift, w, h);
                images[7] = LoadArgs.crop_image(im, 0, 0, w, h);
                images[8] = LoadArgs.crop_image(im, -shift, shift, w, h);
                images[9] = LoadArgs.crop_image(im, shift, shift, w, h);
                float[] pred = new float[classes];
                for (j = 0; j < 10; ++j)
                {
                    float[] p = Network.network_predict(net, images[j].Data);
                    if (net.Hierarchy != null)
                    {
                        net.Hierarchy.Hierarchy_predictions(p, 0, net.Outputs, true);
                    }
                    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($"%d: top 1: %f, top %d: %f\n", i, avgAcc / (i + 1), topk, avgTopk / (i + 1));
            }
        }
Esempio n. 7
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        public static void run_nightmare(List <string> args)
        {
            if (args.Count < 4)
            {
                Console.Error.Write($"usage: %s %s [cfg] [weights] [Image] [Layer] [options! (optional)]\n", args[0], args[1]);
                return;
            }

            string cfg      = args[2];
            string weights  = args[3];
            string input    = args[4];
            int    maxLayer = int.Parse(args[5]);

            int    range       = Utils.find_int_arg(args, "-range", 1);
            bool   norm        = Utils.find_int_arg(args, "-norm", 1) != 0;
            int    rounds      = Utils.find_int_arg(args, "-rounds", 1);
            int    iters       = Utils.find_int_arg(args, "-iters", 10);
            int    octaves     = Utils.find_int_arg(args, "-octaves", 4);
            float  zoom        = Utils.find_int_arg(args, "-zoom", 1);
            float  rate        = Utils.find_int_arg(args, "-rate", .04f);
            float  thresh      = Utils.find_int_arg(args, "-thresh", 1);
            float  rotate      = Utils.find_int_arg(args, "-rotate", 0);
            float  momentum    = Utils.find_int_arg(args, "-momentum", .9f);
            float  lambda      = Utils.find_int_arg(args, "-lambda", .01f);
            string prefix      = Utils.find_int_arg(args, "-prefix", "");
            bool   reconstruct = Utils.find_arg(args, "-reconstruct");
            int    smoothSize  = Utils.find_int_arg(args, "-smooth", 1);

            Network net = Parser.parse_network_cfg(cfg);

            Parser.load_weights(net, weights);
            string cfgbase = Utils.Basecfg(cfg);
            string imbase  = Utils.Basecfg(input);

            Network.set_batch_network(net, 1);
            Image im = LoadArgs.load_image_color(input, 0, 0);

            float[] features = new float[0];
            Image   update   = null;

            if (reconstruct)
            {
                Network.resize_network(net, im.W, im.H);

                int zz = 0;
                Network.network_predict(net, im.Data);
                Image outIm = Network.get_network_image(net);
                Image crop  = LoadArgs.crop_image(outIm, zz, zz, outIm.W - 2 * zz, outIm.H - 2 * zz);
                Image fIm   = LoadArgs.resize_image(crop, outIm.W, outIm.H);
                Console.Write($"%d features\n", outIm.W * outIm.H * outIm.C);


                im       = LoadArgs.resize_image(im, im.W, im.H);
                fIm      = LoadArgs.resize_image(fIm, fIm.W, fIm.H);
                features = fIm.Data;

                int i;
                for (i = 0; i < 14 * 14 * 512; ++i)
                {
                    features[i] += Utils.rand_uniform(-.19f, .19f);
                }

                im     = LoadArgs.make_random_image(im.W, im.H, im.C);
                update = new Image(im.W, im.H, im.C);
            }

            int e;
            int n;

            for (e = 0; e < rounds; ++e)
            {
                Console.Error.Write($"Iteration: ");
                for (n = 0; n < iters; ++n)
                {
                    Console.Error.Write($"%d, ", n);
                    if (reconstruct)
                    {
                        reconstruct_picture(net, features, im, update, rate, momentum, lambda, smoothSize, 1);
                        //if ((n+1)%30 == 0) rate *= .5;
                        LoadArgs.show_image(im, "reconstruction");
                        CvInvoke.WaitKey(10);
                    }
                    else
                    {
                        int layer  = maxLayer + Utils.Rand.Next() % range - range / 2;
                        int octave = Utils.Rand.Next() % octaves;
                        optimize_picture(net, im, layer, 1 / (float)Math.Pow(1.33333333, octave), rate, thresh, norm);
                    }
                }
                Console.Error.Write($"done\n");
                string buff;
                if (!string.IsNullOrEmpty(prefix))
                {
                    buff = $"{prefix}_{imbase}_{cfgbase}_{maxLayer}_{e:06}%s/%s_%s_%d_%06d";
                }
                else
                {
                    buff = $"{imbase}_{cfgbase}_{maxLayer}_{e:06}";
                }
                Console.Write($"%d %s\n", e, buff);
                LoadArgs.save_image(im, buff);
                //LoadArgs.show_image(im, buff);
                //CvInvoke.WaitKey();

                if (rotate != 0)
                {
                    Image rot = LoadArgs.rotate_image(im, rotate);
                    im = rot;
                }
                Image crop    = LoadArgs.crop_image(im, (int)(im.W * (1f - zoom) / 2f), (int)(im.H * (1f - zoom) / 2f), (int)(im.W * zoom), (int)(im.H * zoom));
                Image resized = LoadArgs.resize_image(crop, im.W, im.H);
                im = resized;
            }
        }