public void IndexFiles(FileInfo[] imageFiles, BackgroundWorker IndexBgWorker, object argument = null)
{
List<BhattacharyyaRecord> listOfRecords = new List<BhattacharyyaRecord>();
Double[,] normalizedHistogram = new double[16,16];
int totalFileCount = imageFiles.Length;
for (int i = 0; i < totalFileCount; i++)
{
var fi = imageFiles[i];
using (Image img = Image.FromFile(fi.FullName))
{
normalizedHistogram = Bhattacharyya.CalculateNormalizedHistogram(img);
}
BhattacharyyaRecord record = new BhattacharyyaRecord
{
Id = i,
ImageName = fi.Name,
ImagePath = fi.FullName,
NormalizedHistogram = MultiToSingle(normalizedHistogram)
};
listOfRecords.Add(record);
IndexBgWorker.ReportProgress(i);
}
BinaryAlgoRepository<List<BhattacharyyaRecord>> repo = new BinaryAlgoRepository<List<BhattacharyyaRecord>>();
repo.Save(listOfRecords);
}
public void IndexFilesAsync(FileInfo[] imageFiles, BackgroundWorker IndexBgWorker, object argument = null)
{
ConcurrentBag<BhattacharyyaRecord> listOfRecords = new ConcurrentBag<BhattacharyyaRecord>();
Double[,] normalizedHistogram = new double[16, 16];
int totalFileCount = imageFiles.Length;
int i = 0; long nextSequence;
//In the class scope:
Object lockMe = new Object();
Parallel.ForEach(imageFiles, currentImageFile =>
{
var fi = currentImageFile;
using (Image img = Image.FromFile(fi.FullName))
{
normalizedHistogram = Bhattacharyya.CalculateNormalizedHistogram(img);
}
lock (lockMe)
{
nextSequence = i++;
}
BhattacharyyaRecord record = new BhattacharyyaRecord
{
Id = nextSequence,
ImageName = fi.Name,
ImagePath = fi.FullName,
NormalizedHistogram = MultiToSingle(normalizedHistogram)
};
listOfRecords.Add(record);
IndexBgWorker.ReportProgress(i);
});
BinaryAlgoRepository<List<BhattacharyyaRecord>> repo = new BinaryAlgoRepository<List<BhattacharyyaRecord>>();
repo.Save(listOfRecords.ToList());
}
