public static Pixbuf Get(ManagedCNN cnn, int layer, int i, int j) { if (layer >= 0 && layer < cnn.Layers.Count && cnn.Layers[layer].Type == LayerTypes.Convolution && i >= 0 && i < cnn.Layers[layer].FeatureMap.i && j >= 0 && j < cnn.Layers[layer].FeatureMap.j) { var FeatureMap = new ManagedArray(cnn.Layers[layer].FeatureMap.x, cnn.Layers[layer].FeatureMap.y, cnn.Layers[layer].FeatureMap.z); var Transposed = new ManagedArray(FeatureMap); var pixbuf = new Pixbuf(Colorspace.Rgb, false, 8, FeatureMap.y, FeatureMap.x); ManagedOps.Copy4DIJ2D(FeatureMap, cnn.Layers[layer].FeatureMap, i, j); ManagedMatrix.Transpose(Transposed, FeatureMap); // Get normalization values double min = Double.MaxValue; double max = Double.MinValue; FullyConnected.GetNormalization(Transposed, ref min, ref max); Activation.Draw(pixbuf, Transposed, min, max); ManagedOps.Free(Transposed); return(pixbuf); } // return empty pixbuf return(new Pixbuf(Colorspace.Rgb, false, 8, 1, 1)); }
public static Bitmap Get(ManagedCNN cnn, int layer, int i, int j) { if (layer >= 0 && layer < cnn.Layers.Count && i >= 0 && i < cnn.Layers[layer].FeatureMap.i && j >= 0 && j < cnn.Layers[layer].FeatureMap.j) { var FeatureMap = new ManagedArray(cnn.Layers[layer].FeatureMap.x, cnn.Layers[layer].FeatureMap.y, cnn.Layers[layer].FeatureMap.z); var Transposed = new ManagedArray(FeatureMap); var bitmap = new Bitmap(cnn.Layers[layer].FeatureMap.x, cnn.Layers[layer].FeatureMap.y, PixelFormat.Format24bppRgb); ManagedOps.Copy4DIJ2D(FeatureMap, cnn.Layers[layer].FeatureMap, i, j); ManagedMatrix.Transpose(Transposed, FeatureMap); // Get normalization values double min = Double.MaxValue; double max = Double.MinValue; for (int y = 0; y < Transposed.y; y++) { for (int x = 0; x < Transposed.x; x++) { if (Transposed[x, y] > max) { max = Transposed[x, y]; } if (Transposed[x, y] < min) { min = Transposed[x, y]; } } } Draw(bitmap, Transposed, min, max); ManagedOps.Free(FeatureMap, Transposed); return(bitmap); } // return empty bitmap return(new Bitmap(1, 1, PixelFormat.Format24bppRgb)); }