//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET: //ORIGINAL LINE: public static org.neuroph.core.data.DataSet createFromFile(String labelPath, String imagePath, int sampleCount) throws java.io.IOException public static DataSet createFromFile(string labelPath, string imagePath, int sampleCount) { List <MNISTImage> mnistImages = MNISTImage.loadDigitImages(labelPath, imagePath); DataSet dataSet = createDataSet(mnistImages, sampleCount); return(dataSet); }
// TODO; remove sampleCount param its ame as list count private static DataSet createDataSet(List <MNISTImage> imageList, int sampleCount) { int pixelCount = imageList[0].Size; int totalSize = 1024; DataSet dataSet = new DataSet(totalSize, 10); for (int i = 0; i < sampleCount; i++) { MNISTImage dImage = imageList[i]; double[] input = new double[totalSize]; double[] output = new double[10]; for (int j = 0; j < 10; j++) { output[j] = 0; } for (int j = 0; j < totalSize; j++) { input[j] = 0; } output[dImage.Label] = 1; sbyte[] imageData = dImage.Data; int k = 66; for (int j = 0; j < pixelCount; j++) { if ((imageData[j] & 0xff) > 0) { input[k++] = 255; } else { k++; } if (j % 28 == 27) { k += 4; } } DataSetRow row = new DataSetRow(input, output); dataSet.addRow(row); } dataSet.setColumnName(1024, "0"); dataSet.setColumnName(1025, "1"); dataSet.setColumnName(1026, "2"); dataSet.setColumnName(1027, "3"); dataSet.setColumnName(1028, "4"); dataSet.setColumnName(1029, "5"); dataSet.setColumnName(1030, "6"); dataSet.setColumnName(1031, "7"); dataSet.setColumnName(1032, "8"); dataSet.setColumnName(1033, "9"); return(dataSet); }