// Scan image to reporistory
public static bool scanPicturesIntoReporistory(string folderAll, string folderTrue, VectorRepository rep, Dictionary<ImageVector.ImageParameters,bool> parameterList)
{
// Get list of files in folders
ProgressString = "Starting picture scan..";
List<string> allFiles, falseFiles, trueFiles;
try
{
allFiles = LoadImages(folderAll).ToList();
trueFiles = LoadImages(folderTrue).ToList();
falseFiles = SubstractListsByFileName(allFiles, trueFiles);
trueFiles = SubstractListsByFileName(allFiles, falseFiles); // In order for the path to be via 'allFiles' folder
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
return false;
}
int numOfFiles = allFiles.Count();
int completed = 0;
_progress = 0;
// Scan files
ImageVector existing;
List<ImageVector> newTrue = new List<ImageVector>();
List<ImageVector> newFalse = new List<ImageVector>();
foreach (string path in trueFiles)
{
ProgressString = "Checking if " + path + "is already scanned..";
existing = rep.getVectorByPath(path);
if (existing == null && File.Exists(path))
{
ProgressString = "Scanning " + path;
ImageVector vec = new ImageVector(path, parameterList);
newTrue.Add(vec);
}
completed++;
_progress = (int)((completed * 100) / numOfFiles);
}
foreach (string path in falseFiles)
{
ProgressString = "Checking if " + path + "is already scanned..";
existing = rep.getVectorByPath(path);
if (existing == null && File.Exists(path))
{
ProgressString = "Scanning " + path;
ImageVector vec = new ImageVector(path, parameterList);
newFalse.Add(vec);
}
completed++;
_progress = (int)((completed * 100) / numOfFiles);
}
ProgressString = "Scan done. Saving scanned pictures.";
// Add to repository
rep.AddToList(newTrue, newFalse);
ProgressString = "Done scanning";
return true;
}
/// <summary>
/// trains algorithm
/// </summary>
/// <param name="cVectorsTrue"></param>
/// <param name="cVectorsFalse"></param>
/// <returns>true always</returns>
public override bool Train(List<ImageVector> vectorsTrue, List<ImageVector> vectorsFalse)
{
//delete the test repository if it exists
if(Directory.Exists("knnTest'sVectorData"))
Directory.Delete("knnTest'sVectorData", true);
//create repository only for knn learning
_testingRepository = new VectorRepository("knnTest");
_testingRepository.delete();
_testingRepository.AddToList(vectorsTrue, vectorsFalse);
return true;
}
